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// Portions Copyright [2016-2023] [Payara Foundation and/or its affiliates]
package org.apache.catalina.core;
import fish.payara.notification.requesttracing.RequestTraceSpan;
import fish.payara.nucleus.requesttracing.RequestTracingService;
import fish.payara.opentracing.OpenTracingService;
import io.opentracing.Tracer;
import io.opentracing.tag.Tags;
import jakarta.servlet.Servlet;
import jakarta.servlet.ServletConfig;
import jakarta.servlet.ServletContext;
import jakarta.servlet.ServletException;
import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;
import jakarta.servlet.UnavailableException;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.apache.catalina.Container;
import org.apache.catalina.ContainerServlet;
import org.apache.catalina.Context;
import org.apache.catalina.InstanceListener;
import org.apache.catalina.LifecycleException;
import org.apache.catalina.Loader;
import org.apache.catalina.Wrapper;
import org.apache.catalina.security.SecurityUtil;
import org.apache.catalina.util.Enumerator;
import org.apache.catalina.util.InstanceSupport;
import org.glassfish.api.invocation.InvocationManager;
import org.glassfish.internal.api.Globals;
import org.glassfish.jersey.servlet.ServletContainer;
import org.glassfish.web.valve.GlassFishValve;
import javax.management.Notification;
import javax.management.NotificationBroadcasterSupport;
import javax.management.ObjectName;
import java.io.IOException;
import java.lang.reflect.Method;
import java.security.AccessController;
import java.security.Principal;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.logging.Filter;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
import static jakarta.servlet.http.HttpServletResponse.SC_INTERNAL_SERVER_ERROR;
import static java.text.MessageFormat.format;
import static java.util.Collections.list;
import static java.util.Collections.unmodifiableList;
import static java.util.Collections.unmodifiableMap;
import static java.util.logging.Level.FINE;
import static java.util.logging.Level.FINEST;
import static java.util.logging.Level.INFO;
import static org.apache.catalina.InstanceEvent.EventType.AFTER_DESTROY_EVENT;
import static org.apache.catalina.InstanceEvent.EventType.AFTER_INIT_EVENT;
import static org.apache.catalina.InstanceEvent.EventType.AFTER_SERVICE_EVENT;
import static org.apache.catalina.InstanceEvent.EventType.BEFORE_DESTROY_EVENT;
import static org.apache.catalina.InstanceEvent.EventType.BEFORE_INIT_EVENT;
import static org.apache.catalina.InstanceEvent.EventType.BEFORE_SERVICE_EVENT;
import static org.apache.catalina.LogFacade.*;
import static org.apache.catalina.core.Constants.JSP_SERVLET_CLASS;
import static org.apache.catalina.core.Constants.JSP_SERVLET_NAME;
import static org.apache.catalina.core.Constants.OLD_JSP_SERVLET_CLASS;
import static org.apache.catalina.security.SecurityUtil.doAsPrivilege;
import static org.apache.catalina.security.SecurityUtil.executeUnderSubjectDoAs;
import static org.apache.catalina.security.SecurityUtil.isPackageProtectionEnabled;
import static org.glassfish.internal.api.Globals.getDefaultHabitat;
/**
* Standard implementation of the Wrapper interface that represents
* an individual servlet definition. No child Containers are allowed, and
* the parent Container must be a Context.
*
* @author Craig R. McClanahan
* @author Remy Maucherat
* @version $Revision: 1.12.2.1 $ $Date: 2008/04/17 18:37:09 $
*/
public class StandardWrapper extends ContainerBase implements ServletConfig, Wrapper {
private static final String[] DEFAULT_SERVLET_METHODS = { "GET", "HEAD", "POST" };
private final RequestTracingService requestTracing;
private final OpenTracingService openTracing;
private static final ThreadLocal isInSuppressFFNFThread = new ThreadLocal() {
@Override
protected Boolean initialValue() {
return false;
}
};
// ----------------------------------------------------- Instance Variables
/**
* The date and time at which this servlet will become available (in
* milliseconds since the epoch), or zero if the servlet is available.
* If this value equals Long.MAX_VALUE, the unavailability of this
* servlet is considered permanent.
*/
private long available;
/**
* The broadcaster that sends Java EE notifications.
*/
private NotificationBroadcasterSupport broadcaster = null;
/**
* The count of allocations that are currently active (even if they
* are for the same instance, as will be true on a non-STM servlet).
*/
private final AtomicInteger countAllocated = new AtomicInteger(0);
/**
* The debugging detail level for this component.
*/
private int debug;
/**
* The facade associated with this wrapper.
*/
private final StandardWrapperFacade facade = new StandardWrapperFacade(this);
/**
* The descriptive information string for this implementation.
*/
private static final String info = "org.apache.catalina.core.StandardWrapper/1.0";
/**
* The (single) initialized instance of this servlet.
*/
private volatile Servlet instance;
/**
* Flag that indicates if this instance has been initialized
*/
protected volatile boolean instanceInitialized;
/**
* The support object for our instance listeners.
*/
private final InstanceSupport instanceSupport = new InstanceSupport(this);
/**
* The context-relative URI of the JSP file for this servlet.
*/
private String jspFile;
/**
* The load-on-startup order value (negative value means load on
* first call) for this servlet.
*/
private int loadOnStartup = -1;
/**
* Mappings associated with the wrapper.
*/
private final ArrayList mappings = new ArrayList();
/**
* The initialization parameters for this servlet, keyed by
* parameter name.
*/
private final Map parameters = new HashMap();
/**
* The security role references for this servlet, keyed by role name
* used in the servlet. The corresponding value is the role name of
* the web application itself.
*/
private final HashMap references = new HashMap();
/**
* The run-as identity for this servlet.
*/
private String runAs;
/**
* The notification sequence number.
*/
private long sequenceNumber;
/**
* The fully qualified servlet class name for this servlet.
*/
private String servletClassName;
/**
* The class from which this servlet will be instantiated
*/
private Class servletClass;
/**
* Are we unloading our servlet instance at the moment?
*/
private boolean unloading;
/**
* Maximum number of STM instances.
*/
private int maxInstances = 20;
/**
* Wait time for servlet unload in ms.
*/
protected long unloadDelay = 2000;
/**
* True if this StandardWrapper is for the JspServlet
*/
private boolean isJspServlet;
/**
* The ObjectName of the JSP monitoring mbean
*/
private ObjectName jspMonitorON;
// To support jmx attributes
private final StandardWrapperValve swValve;
private long loadTime;
private int classLoadTime;
private String description;
/**
* Async support
*/
private boolean isAsyncSupported = false;
/**
* Static class array used when the SecurityManager is turned on and
* Servlet.init is invoked.
*/
private static final Class[] classType = { ServletConfig.class };
/**
* Static class array used when the SecurityManager is turned on and
* Servlet.service is invoked.
*/
private static final Class[] classTypeUsedInService = { ServletRequest.class, ServletResponse.class };
/**
* File upload (multipart) support
*/
private boolean multipartConfigured;
private String multipartLocation;
private long multipartMaxFileSize = -1L;
private long multipartMaxRequestSize = -1L;
private int multipartFileSizeThreshold = 10240; // 10K
private boolean osgi;
// ----------------------------------------------------------- Constructors
/**
* Create a new StandardWrapper component with the default basic Valve.
*/
public StandardWrapper() {
swValve = new StandardWrapperValve();
pipeline.setBasic(swValve);
requestTracing = getDefaultHabitat().getService(RequestTracingService.class);
openTracing = getDefaultHabitat().getService(OpenTracingService.class);
// suppress PWC6117 file not found errors
Logger jspLog = Logger.getLogger("org.glassfish.wasp.servlet.JspServlet");
if (!(jspLog.getFilter() instanceof NotFoundErrorSupressionFilter)) {
jspLog.setFilter(new NotFoundErrorSupressionFilter(jspLog.getFilter()));
}
}
// ------------------------------------------------------------- Properties
/**
* Return the available date/time for this servlet, in milliseconds since
* the epoch. If this date/time is Long.MAX_VALUE, it is considered to mean
* that unavailability is permanent and any request for this servlet will return
* an SC_NOT_FOUND error. If this date/time is in the future, any request for
* this servlet will return an SC_SERVICE_UNAVAILABLE error. If it is zero,
* the servlet is currently available.
* @return
*/
@Override
public long getAvailable() {
return available;
}
/**
* Set the available date/time for this servlet, in milliseconds since the
* epoch. If this date/time is Long.MAX_VALUE, it is considered to mean
* that unavailability is permanent and any request for this servlet will return
* an SC_NOT_FOUND error. If this date/time is in the future, any request for
* this servlet will return an SC_SERVICE_UNAVAILABLE error.
*
* @param available The new available date/time
*/
@Override
public void setAvailable(long available) {
long oldAvailable = this.available;
if (available > System.currentTimeMillis()) {
this.available = available;
} else {
this.available = 0L;
}
support.firePropertyChange("available", oldAvailable, this.available);
}
/**
* Return the number of active allocations of this servlet, even if they
* are all for the same instance (as will be true for servlets that do
* not implement SingleThreadModel.
* @return
*/
public int getCountAllocated() {
return countAllocated.get();
}
/**
* Return the debugging detail level for this component.
* @return
*/
@Override
public int getDebug() {
return debug;
}
/**
* Set the debugging detail level for this component.
*
* @param debug The new debugging detail level
*/
@Override
public void setDebug(int debug) {
int oldDebug = this.debug;
this.debug = debug;
support.firePropertyChange("debug", oldDebug, (long) this.debug);
}
public String getEngineName() {
return ((StandardContext)getParent()).getEngineName();
}
/**
* Return descriptive information about this Container implementation and
* the corresponding version number, in the format
* <description>/<version>.
* @return
*/
@Override
public String getInfo() {
return info;
}
/**
* Return the InstanceSupport object for this Wrapper instance.
* @return
*/
public InstanceSupport getInstanceSupport() {
return instanceSupport;
}
/**
* Return the context-relative URI of the JSP file for this servlet.
* @return
*/
@Override
public String getJspFile() {
return jspFile;
}
/**
* Set the context-relative URI of the JSP file for this servlet.
*
* @param jspFile JSP file URI
*/
@Override
public void setJspFile(String jspFile) {
String oldJspFile = this.jspFile;
this.jspFile = jspFile;
support.firePropertyChange("jspFile", oldJspFile, this.jspFile);
// Each jsp-file needs to be represented by its own JspServlet and
// corresponding JspMonitoring mbean, because it may be initialized
// with its own init params
isJspServlet = true;
}
/**
* Return the load-on-startup order value (negative value means
* load on first call).
* @return
*/
@Override
public int getLoadOnStartup() {
if (isJspServlet && loadOnStartup < 0) {
/*
* JspServlet must always be preloaded, because its instance is
* used during registerJMX (when registering the JSP
* monitoring mbean)
*/
return Integer.MAX_VALUE;
}
return loadOnStartup;
}
/**
* Set the load-on-startup order value (negative value means
* load on first call).
*
* @param value New load-on-startup value
*/
@Override
public void setLoadOnStartup(int value) {
int oldLoadOnStartup = this.loadOnStartup;
this.loadOnStartup = value;
support.firePropertyChange(
"loadOnStartup",
Integer.valueOf(oldLoadOnStartup),
Integer.valueOf(this.loadOnStartup));
}
/**
* Set the load-on-startup order value from a (possibly null) string.
* Per the specification, any missing or non-numeric value is converted
* to a zero, so that this servlet will still be loaded at startup
* time, but in an arbitrary order.
*
* @param value New load-on-startup value
*/
public void setLoadOnStartupString(String value) {
try {
setLoadOnStartup(Integer.parseInt(value));
} catch (NumberFormatException e) {
setLoadOnStartup(0);
}
}
public String getLoadOnStartupString() {
return Integer.toString( getLoadOnStartup());
}
/**
* Sets the description of this servlet.
* @param description
*/
@Override
public void setDescription(String description) {
this.description = description;
}
/**
* Gets the description of this servlet.
* @return
*/
@Override
public String getDescription() {
return description;
}
/**
* Return maximum number of instances that will be allocated when a single
* thread model servlet is used.
*/
public int getMaxInstances() {
return maxInstances;
}
/**
* Set the maximum number of instances that will be allocated when a single
* thread model servlet is used.
*
* @param maxInstances New value of maxInstances
*/
public void setMaxInstances(int maxInstances) {
int oldMaxInstances = this.maxInstances;
this.maxInstances = maxInstances;
support.firePropertyChange("maxInstances", oldMaxInstances, this.maxInstances);
}
/**
* Set the parent Container of this Wrapper, but only if it is a Context.
*
* @param container Proposed parent Container
*/
@Override
public void setParent(Container container) {
if (container != null && !(container instanceof Context)) {
throw new IllegalArgumentException(createMsg(PARENT_CONTAINER_MUST_BE_CONTEXT_EXCEPTION));
}
if (container instanceof StandardContext) {
unloadDelay = ((StandardContext) container).getUnloadDelay();
notifyContainerListeners = ((StandardContext) container).isNotifyContainerListeners();
}
super.setParent(container);
}
/**
* Return the run-as identity for this servlet.
* @return
*/
@Override
public String getRunAs() {
return runAs;
}
/**
* Set the run-as identity for this servlet.
*
* @param runAs New run-as identity value
*/
@Override
public void setRunAs(String runAs) {
String oldRunAs = this.runAs;
this.runAs = runAs;
support.firePropertyChange("runAs", oldRunAs, this.runAs);
}
/**
* Marks the wrapped servlet as supporting async operations or not.
*
* @param isAsyncSupported true if the wrapped servlet supports async mode,
* false otherwise
*/
@Override
public void setIsAsyncSupported(boolean isAsyncSupported) {
this.isAsyncSupported = isAsyncSupported;
}
/**
* Checks if the wrapped servlet has been annotated or flagged in the
* deployment descriptor as being able to support asynchronous operations.
*
* @return true if the wrapped servlet supports async operations, and
* false otherwise
*/
@Override
public boolean isAsyncSupported() {
return isAsyncSupported;
}
/**
* Return the fully qualified servlet class name for this servlet.
* @return
*/
@Override
public String getServletClassName() {
return servletClassName;
}
/**
* Set the fully qualified servlet class name for this servlet.
*
* @param className Servlet class name
*/
@Override
public void setServletClassName(String className) {
if (className == null) {
throw new NullPointerException("Null servlet class name");
}
if (servletClassName != null) {
throw new IllegalStateException(
"Wrapper already initialized with servlet instance, " +
"class, or name");
}
if (OLD_JSP_SERVLET_CLASS.equals(className)) {
className = JSP_SERVLET_CLASS;
}
servletClassName = className;
// oldServletClassName is null
support.firePropertyChange("servletClassName", null, servletClassName);
if (JSP_SERVLET_CLASS.equals(servletClassName)) {
isJspServlet = true;
}
}
/**
* @return the servlet class, or null if the servlet class has not
* been loaded yet
*/
public Class getServletClass() {
return servletClass;
}
/**
* Sets the class object from which this servlet will be instantiated.
*
* @param clazz The class object from which this servlet will
* be instantiated
*/
@Override
public void setServletClass(Class clazz) {
if (clazz == null) {
throw new NullPointerException("Null servlet class");
}
if (servletClass != null || servletClassName != null && !servletClassName.equals(clazz.getName())) {
throw new IllegalStateException("Wrapper already initialized with servlet instance, " + "class, or name");
}
servletClass = clazz;
servletClassName = clazz.getName();
if (JSP_SERVLET_CLASS.equals(servletClassName)) {
isJspServlet = true;
}
}
/**
* @return the servlet instance, or null if the servlet has not yet
* been instantiated
*/
public Servlet getServlet() {
return instance;
}
/**
* Sets the servlet instance for this wrapper.
*
* @param instance the servlet instance
*/
public synchronized void setServlet(Servlet instance) {
if (instance == null) {
throw new NullPointerException("Null servlet instance");
}
if (servletClassName != null) {
throw new IllegalStateException("Wrapper already initialized with servlet instance, " + "class, or name");
}
this.instance = instance;
servletClass = instance.getClass();
servletClassName = servletClass.getName();
if (JSP_SERVLET_CLASS.equals(servletClassName)) {
isJspServlet = true;
}
}
/**
* Set the name of this servlet. This is an alias for the normal
* Container.setName() method, and complements the
* getServletName() method required by the
* ServletConfig interface.
*
* @param name The new name of this servlet
*/
public void setServletName(String name) {
setName(name);
}
/**
* Is this servlet currently unavailable?
* @return
*/
@Override
public boolean isUnavailable() {
if (available == 0L) {
return false;
}
if (available <= System.currentTimeMillis()) {
available = 0L;
return false;
}
return true;
}
/**
* Gets the names of the methods supported by the underlying servlet.
*
* This is the same set of methods included in the Allow response header
* in response to an OPTIONS request method processed by the underlying
* servlet.
*
* @return Array of names of the methods supported by the underlying
* servlet
* @throws jakarta.servlet.ServletException
*/
@Override
public String[] getServletMethods() throws ServletException {
loadServletClass();
if (!HttpServlet.class.isAssignableFrom(servletClass)) {
return DEFAULT_SERVLET_METHODS;
}
HashSet allow = new HashSet();
allow.add("TRACE");
allow.add("OPTIONS");
Method[] methods = getAllDeclaredMethods(servletClass);
for (int i=0; methods != null && i params[] = method.getParameterTypes();
if (!(params.length == 2 && params[0] == HttpServletRequest.class && params[1] == HttpServletResponse.class)) {
continue;
}
switch (method.getName()) {
case "doGet":
allow.add("GET");
allow.add("HEAD");
break;
case "doPost":
allow.add("POST");
break;
case "doPut":
allow.add("PUT");
break;
case "doDelete":
allow.add("DELETE");
break;
default:
break;
}
}
return allow.toArray(new String[allow.size()]);
}
public boolean isMultipartConfigured() {
return multipartConfigured;
}
/**
* Sets the multipart location
* @param location
*/
@Override
public void setMultipartLocation(String location) {
multipartConfigured = true;
multipartLocation = location;
}
/**
* Gets the multipart location
* @return
*/
@Override
public String getMultipartLocation(){
return multipartLocation;
}
/**
* Sets the multipart max-file-size
* @param maxFileSize
*/
@Override
public void setMultipartMaxFileSize(long maxFileSize) {
multipartConfigured = true;
multipartMaxFileSize = maxFileSize;
}
/**
* Gets the multipart max-file-size
* @return
*/
@Override
public long getMultipartMaxFileSize() {
return multipartMaxFileSize;
}
/**
* Sets the multipart max-request-size
* @param maxRequestSize
*/
@Override
public void setMultipartMaxRequestSize(long maxRequestSize) {
multipartConfigured = true;
multipartMaxRequestSize = maxRequestSize;
}
/**
* Gets the multipart max-request-Size
* @return
*/
@Override
public long getMultipartMaxRequestSize() {
return multipartMaxRequestSize;
}
/**
* Sets the multipart file-size-threshold
* @param fileSizeThreshold
*/
@Override
public void setMultipartFileSizeThreshold(int fileSizeThreshold) {
multipartConfigured = true;
multipartFileSizeThreshold = fileSizeThreshold;
}
/**
* Gets the multipart file-size-threshol
* @return
*/
@Override
public int getMultipartFileSizeThreshold() {
return multipartFileSizeThreshold;
}
/**
* Returns whether this is running in an OSGi context
* @return
*/
protected boolean isOSGi() {
return osgi;
}
/**
* Set whether this is being used in an OSGi context
* @param osgi
*/
protected void setOSGi(boolean osgi) {
this.osgi = osgi;
}
// --------------------------------------------------------- Public Methods
// START GlassFish 1343
@Override
public synchronized void addValve(GlassFishValve valve) {
/*
* This exception should never be thrown in reality, because we never
* add any valves to a StandardWrapper.
* This exception is added here as an alert mechanism only, should
* there ever be a need to add valves to a StandardWrapper in the
* future.
* In that case, the optimization in StandardContextValve related to
* GlassFish 1343 will need to be adjusted, by calling
* pipeline.getValves() and checking the pipeline's length to
* determine whether the basic valve may be invoked directly. The
* optimization currently avoids a call to pipeline.getValves(),
* because it is expensive.
*/
throw new UnsupportedOperationException("Adding valves to wrappers not supported");
}
// END GlassFish 1343
/**
* Extract the root cause from a servlet exception.
*
* @param e The servlet exception
*/
public static Throwable getRootCause(ServletException e) {
Throwable rootCause = e;
Throwable rootCauseCheck;
// Extra aggressive rootCause finding
int loops = 0;
do {
loops++;
rootCauseCheck = rootCause.getCause();
if (rootCauseCheck != null)
rootCause = rootCauseCheck;
} while (rootCauseCheck != null && (loops < 20));
return rootCause;
}
/**
* Refuse to add a child Container, because Wrappers are the lowest level
* of the Container hierarchy.
*
* @param child Child container to be added
*/
@Override
public void addChild(Container child) {
throw new IllegalStateException(createMsg(WRAPPER_CONTAINER_NO_CHILD_EXCEPTION));
}
/**
* Adds the initialization parameter with the given name and value
* to this servlet.
*
* @param name the name of the init parameter
* @param value the value of the init parameter
*/
@Override
public void addInitParameter(String name, String value) {
setInitParameter(name, value, true);
if (notifyContainerListeners) {
fireContainerEvent("addInitParameter", name);
}
}
/**
* Sets the init parameter with the given name and value
* on this servlet.
*
* @param name the init parameter name
* @param value the init parameter value
* @param override true if the given init param is supposed to
* override an existing init param with the same name, and false
* otherwise
*
* @return true if the init parameter with the given name and value
* was set, false otherwise
*/
public boolean setInitParameter(String name, String value, boolean override) {
if (name == null || value == null) {
throw new IllegalArgumentException("Null servlet init parameter name or value");
}
synchronized (parameters) {
if (override || !parameters.containsKey(name)) {
parameters.put(name, value);
return true;
}
return false;
}
}
/**
* Sets the initialization parameters contained in the given map
* on this servlet.
*
* @param initParameters the map with the init params to set
*
* @return the (possibly empty) Set of initialization parameter names
* that are in conflict
*/
public Set setInitParameters(Map initParameters) {
if (initParameters == null) {
throw new IllegalArgumentException("Null init parameters");
}
synchronized (parameters) {
Set conflicts = null;
for (Map.Entry e : initParameters.entrySet()) {
if (e.getKey() == null || e.getValue() == null) {
throw new IllegalArgumentException(
"Null parameter name or value");
}
if (parameters.containsKey(e.getKey())) {
if (conflicts == null) {
conflicts = new HashSet();
}
conflicts.add(e.getKey());
}
}
if (conflicts != null) {
return conflicts;
}
for (Map.Entry e : initParameters.entrySet()) {
setInitParameter(e.getKey(), e.getValue(), true);
}
return Collections.emptySet();
}
}
/**
* Add a new listener interested in InstanceEvents.
*
* @param listener The new listener
*/
@Override
public void addInstanceListener(InstanceListener listener) {
instanceSupport.addInstanceListener(listener);
}
/**
* Add a mapping associated with the {@link Wrapper}.
*
* @param mapping The new wrapper mapping
*/
@Override
public void addMapping(String mapping) {
synchronized (mappings) {
mappings.add(mapping);
}
if (notifyContainerListeners) {
fireContainerEvent("addMapping", mapping);
}
}
/**
* Gets all the mapping associated with the {@link Wrapper}.
* @return an unmodifiable list
*/
public Collection getMappings() {
synchronized (mappings) {
return unmodifiableList(mappings);
}
}
/**
* Add a new security role reference record to the set of records for
* this servlet.
*
* @param name Role name used within this servlet
* @param link Role name used within the web application
*/
@Override
public void addSecurityReference(String name, String link) {
synchronized (references) {
references.put(name, link);
}
if (notifyContainerListeners) {
fireContainerEvent("addSecurityReference", name);
}
}
/**
* Allocate an initialized instance of this Servlet that is ready to have
* its service() method called. If the servlet class does
* not implement SingleThreadModel, the (only) initialized
* instance may be returned immediately. If the servlet class implements
* SingleThreadModel, the Wrapper implementation must ensure
* that this instance is not allocated again until it is deallocated by a
* call to deallocate().
*
* @return
* @exception ServletException if the servlet init() method threw
* an exception
* @exception ServletException if a loading error occurs
*/
@Override
public synchronized Servlet allocate() throws ServletException {
// If we are currently unloading this servlet, throw an exception
if (unloading) {
throw new ServletException(createMsg(CANNOT_ALLOCATE_SERVLET_EXCEPTION, getName()));
}
// Load and initialize our instance if necessary
if (instance == null) {
// No instance. Instantiate and initialize
try {
if (log.isLoggable(FINEST)) {
log.log(FINEST, "Allocating non-STM instance");
}
instance = loadServlet();
initServlet(instance);
} catch (ServletException e) {
throw e;
} catch (Throwable e) {
throw new ServletException(createMsg(ERROR_ALLOCATE_SERVLET_INSTANCE_EXCEPTION), e);
}
} else if (!instanceInitialized) {
/*
* Instance not yet initialized. This is the case
* when the instance was registered via
* ServletContext#addServlet
*/
initServlet(instance);
}
if (log.isLoggable(FINEST)) {
log.log(FINEST, "Returning non-STM instance");
}
countAllocated.incrementAndGet();
return (instance);
}
/**
* Return this previously allocated servlet to the pool of available
* instances. If this servlet class does not implement SingleThreadModel,
* no action is actually required.
*
* @param servlet The servlet to be returned
* @exception ServletException if a deallocation error occurs
*/
@Override
public void deallocate(Servlet servlet) throws ServletException {
countAllocated.decrementAndGet();
}
/**
* Return the value for the specified initialization parameter name,
* if any; otherwise return null.
*
* @param name Name of the requested initialization parameter
* @return
*/
@Override
public String findInitParameter(String name) {
synchronized (parameters) {
return parameters.get(name);
}
}
/**
* Return the names of all defined initialization parameters for this
* servlet.
* @return
*/
@Override
public String[] findInitParameters() {
synchronized (parameters) {
return parameters.keySet().toArray(new String[parameters.size()]);
}
}
/**
* Return the mappings associated with this wrapper.
* @return
*/
@Override
public String[] findMappings() {
synchronized (mappings) {
return mappings.toArray(new String[mappings.size()]);
}
}
/**
* Return the security role link for the specified security role
* reference name, if any; otherwise return null.
*
* @param name Security role reference used within this servlet
* @return
*/
@Override
public String findSecurityReference(String name) {
synchronized (references) {
return references.get(name);
}
}
/**
* Return the set of security role reference names associated with
* this servlet, if any; otherwise return a zero-length array.
* @return
*/
@Override
public String[] findSecurityReferences() {
synchronized (references) {
return references.keySet().toArray(new String[references.size()]);
}
}
/**
* FIXME: Fooling introspection ...
* @return
*/
public Wrapper findMappingObject() {
return (Wrapper) getMappingObject();
}
/**
* Loads and initializes an instance of the servlet, if there is not
* already at least one initialized instance.
* This can be used, for example, to load servlets that are marked in
* the deployment descriptor to be loaded at server startup time.
*
* IMPLEMENTATION NOTE: Servlets whose classnames begin with
* org.apache.catalina. (so-called "container" servlets)
* are loaded by the same classloader that loaded this class, rather than
* the classloader for the current web application.
* This gives such classes access to Catalina internals, which are
* prevented for classes loaded for web applications.
*
* @exception ServletException if the servlet init() method threw
* an exception or if some other loading problem occurs
*/
@Override
public synchronized void load() throws ServletException {
instance = loadServlet();
initServlet(instance);
}
/**
* Creates an instance of the servlet, if there is not already
* at least one initialized instance.
*/
private synchronized Servlet loadServlet() throws ServletException {
// Nothing to do if we already have an instance or an instance pool
if (instance != null) {
return instance;
}
long t1 = System.currentTimeMillis();
loadServletClass();
// Instantiate the servlet class
Servlet servlet = null;
try {
servlet = ((StandardContext) getParent()).createServletInstance(servletClass);
} catch (ClassCastException e) {
unavailable(null);
// Restore the context ClassLoader
throw new ServletException(createMsg(CLASS_IS_NOT_SERVLET_EXCEPTION, servletClass.getName()), e);
} catch (Throwable e) {
unavailable(null);
// Restore the context ClassLoader
throw new ServletException(createMsg(ERROR_INSTANTIATE_SERVLET_CLASS_EXCEPTION, servletClass.getName()), e);
}
// Check if loading the servlet in this web application should be allowed
if (!isServletAllowed(servlet)) {
throw new SecurityException(createMsg(PRIVILEGED_SERVLET_CANNOT_BE_LOADED_EXCEPTION, servletClass.getName()));
}
// Special handling for ContainerServlet instances
if ((servlet instanceof ContainerServlet)
&& (isContainerProvidedServlet(servletClass.getName()) || ((Context) getParent()).getPrivileged())) {
((ContainerServlet) servlet).setWrapper(this);
}
classLoadTime = (int) (System.currentTimeMillis() -t1);
if (notifyContainerListeners) {
fireContainerEvent("load", this);
}
loadTime = System.currentTimeMillis() - t1;
return servlet;
}
private String createMsg(String key, Object... arguments) {
return format(rb.getString(key), arguments);
}
/*
* Loads the servlet class
*/
private synchronized void loadServletClass() throws ServletException {
if (servletClass != null) {
return;
}
// If this "servlet" is really a JSP file, get the right class.
String actualClass = servletClassName;
if (actualClass == null && jspFile != null) {
Wrapper jspWrapper = (Wrapper) ((Context) getParent()).findChild(JSP_SERVLET_NAME);
if (jspWrapper != null) {
actualClass = jspWrapper.getServletClassName();
// Merge init parameters
for (String paramName : jspWrapper.findInitParameters()) {
if (parameters.get(paramName) == null) {
parameters.put(paramName, jspWrapper.findInitParameter(paramName));
}
}
}
}
// Complain if no servlet class has been specified
if (actualClass == null) {
unavailable(null);
throw new ServletException(createMsg(NO_SERVLET_BE_SPECIFIED_EXCEPTION, getName()));
}
// Current compiler targets default to 1.5, which is a little low for current
// environments
if (isJspServlet) {
parameters.putIfAbsent("compilerTargetVM", "1.8");
parameters.putIfAbsent("compilerSourceVM", "1.8");
}
// Acquire an instance of the class loader to be used
Loader loader = getLoader();
if (loader == null) {
unavailable(null);
throw new ServletException(createMsg(CANNOT_FIND_LOADER_EXCEPTION, getName()));
}
ClassLoader classLoader = loader.getClassLoader();
// Special case class loader for a container provided servlet
//
if (isContainerProvidedServlet(actualClass) && !((Context) getParent()).getPrivileged()) {
// If it is a priviledged context - using its own class loader will work, since it's a child of
// the container loader
classLoader = this.getClass().getClassLoader();
}
// Load the specified servlet class from the appropriate class loader
Class clazz = null;
try {
if (isPackageProtectionEnabled()){
final ClassLoader fclassLoader = classLoader;
final String factualClass = actualClass;
try{
clazz = AccessController.doPrivileged(
new PrivilegedExceptionAction(){
@Override
public Class run() throws Exception{
if (fclassLoader != null) {
return fclassLoader.loadClass(factualClass);
} else {
return Class.forName(factualClass);
}
}
});
} catch (PrivilegedActionException pax) {
Exception ex = pax.getException();
if (ex instanceof ClassNotFoundException) {
throw (ClassNotFoundException) ex;
}
getServletContext().log(createMsg(ERROR_LOADING_INFO, fclassLoader, factualClass), ex);
}
} else {
if (classLoader != null) {
clazz = classLoader.loadClass(actualClass);
} else {
clazz = Class.forName(actualClass);
}
}
} catch (ClassNotFoundException e) {
unavailable(null);
getServletContext().log(createMsg(ERROR_LOADING_INFO, classLoader, actualClass), e);
throw new ServletException(createMsg(CANNOT_FIND_SERVLET_CLASS_EXCEPTION, actualClass), e);
}
if (clazz == null) {
unavailable(null);
throw new ServletException(createMsg(CANNOT_FIND_SERVLET_CLASS_EXCEPTION, actualClass));
}
servletClass = castToServletClass(clazz);
}
@SuppressWarnings("unchecked")
private Class castToServletClass(Class clazz) {
return (Class)clazz;
}
/**
* Initializes the given servlet instance, by calling its init method.
*/
private void initServlet(Servlet servlet) throws ServletException {
if (instanceInitialized) {
// Servlet has already been initialized
return;
}
try {
instanceSupport.fireInstanceEvent(BEFORE_INIT_EVENT, servlet);
// START SJS WS 7.0 6236329
if (executeUnderSubjectDoAs()) {
// END OF SJS WS 7.0 6236329
Object[] initType = { facade };
doAsPrivilege("init", servlet, classType, initType);
initType = null;
} else {
servlet.init(facade);
}
instanceInitialized = true;
// Invoke jspInit on JSP pages
if (loadOnStartup >= 0 && jspFile != null) {
// Invoking jspInit
DummyRequest req = new DummyRequest();
req.setServletPath(jspFile);
req.setQueryString("jsp_precompile=true");
// START PWC 4707989
String allowedMethods = parameters.get("httpMethods");
if (allowedMethods != null && allowedMethods.length() > 0) {
String[] allowedMethod = allowedMethods.split(",");
if (allowedMethod.length > 0) {
req.setMethod(allowedMethod[0].trim());
}
}
// END PWC 4707989
DummyResponse res = new DummyResponse();
// START SJS WS 7.0 6236329
if (executeUnderSubjectDoAs()) {
// END OF SJS WS 7.0 6236329
Object[] serviceType = {req, res};
doAsPrivilege("service", servlet, classTypeUsedInService, serviceType);
} else {
servlet.service(req, res);
}
}
instanceSupport.fireInstanceEvent(AFTER_INIT_EVENT,servlet);
} catch (UnavailableException f) {
instanceSupport.fireInstanceEvent(AFTER_INIT_EVENT,servlet, f);
unavailable(f);
throw f;
} catch (ServletException f) {
instanceSupport.fireInstanceEvent(AFTER_INIT_EVENT,servlet, f);
// If the servlet wanted to be unavailable it would have
// said so, so do not call unavailable(null).
throw f;
} catch (Throwable f) {
getServletContext().log("StandardWrapper.Throwable", f);
instanceSupport.fireInstanceEvent(AFTER_INIT_EVENT,servlet, f);
// If the servlet wanted to be unavailable it would have
// said so, so do not call unavailable(null).
throw new ServletException(format(rb.getString(SERVLET_INIT_EXCEPTION), getName()), f);
}
}
// START IASRI 4665318
/**
* Wrapper for the service method on the actual servlet
* @param request The request sent
* @param response
* @param servlet The servlet to process
* @throws IOException
* @throws ServletException
* @see Servlet#service(ServletRequest, ServletResponse)
*/
void service(ServletRequest request, ServletResponse response, Servlet servlet) throws IOException, ServletException {
InstanceSupport supp = getInstanceSupport();
try {
supp.fireInstanceEvent(BEFORE_SERVICE_EVENT, servlet, request, response);
if (!isAsyncSupported()) {
RequestFacadeHelper reqFacHelper = RequestFacadeHelper.getInstance(request);
if (reqFacHelper != null) {
reqFacHelper.disableAsyncSupport();
}
}
if (request instanceof HttpServletRequest && response instanceof HttpServletResponse) {
if ( SecurityUtil.executeUnderSubjectDoAs() ){
final ServletRequest req = request;
final ServletResponse res = response;
Principal principal = ((HttpServletRequest) req).getUserPrincipal();
Object[] serviceType = new Object[2];
serviceType[0] = req;
serviceType[1] = res;
SecurityUtil.doAsPrivilege("service", servlet, classTypeUsedInService, serviceType, principal);
} else {
RequestTraceSpan span = null;
if (requestTracing.isRequestTracingEnabled()) {
if (servlet instanceof ServletContainer) {
span = constructWebServiceRequestSpan((HttpServletRequest) request);
} else if (servlet instanceof Servlet) {
span = constructServletRequestSpan((HttpServletRequest) request, servlet);
}
}
try {
if (isJspServlet) {
isInSuppressFFNFThread.set(true);
}
servlet.service((HttpServletRequest) request, (HttpServletResponse) response);
}
finally {
String applicationName = openTracing.getApplicationName(
Globals.getDefaultBaseServiceLocator().getService(InvocationManager.class));
Tracer tracer = openTracing.getTracer(applicationName);
if (tracer != null && tracer.activeSpan() != null && response.isCommitted()) {
// If response is not committed, it is likely async
tracer.activeSpan().setTag(
Tags.HTTP_STATUS.getKey(),
((HttpServletResponse) response).getStatus());
tracer.activeSpan().finish();
}
// TODO: clear OpenTelemetry context once we move to natively using it.
if (requestTracing.isRequestTracingEnabled() && span != null) {
span.addSpanTag("ResponseStatus", Integer.toString(
((HttpServletResponse) response).getStatus()));
requestTracing.traceSpan(span);
}
isInSuppressFFNFThread.set(false);
}
}
} else {
servlet.service(request, response);
}
supp.fireInstanceEvent(AFTER_SERVICE_EVENT, servlet, request, response);
} catch (IOException | ServletException | RuntimeException | Error e) {
// Set response status before firing event, see IT 10022
if (response instanceof HttpServletResponse) {
((HttpServletResponse) response).setStatus(SC_INTERNAL_SERVER_ERROR);
}
supp.fireInstanceEvent(AFTER_SERVICE_EVENT, servlet, request, response, e);
throw e;
} catch (Throwable e) {
// Set response status before firing event, see IT 10022
((HttpServletResponse) response).setStatus(SC_INTERNAL_SERVER_ERROR);
supp.fireInstanceEvent(AFTER_SERVICE_EVENT, servlet, request, response, e);
throw new ServletException(rb.getString(SERVLET_EXECUTION_EXCEPTION), e);
}
}
// END IASRI 4665318
private RequestTraceSpan constructWebServiceRequestSpan(HttpServletRequest httpServletRequest) {
RequestTraceSpan span = new RequestTraceSpan("processWebserviceRequest");
span.addSpanTag("URL", httpServletRequest.getRequestURL().toString());
Enumeration headerNames = httpServletRequest.getHeaderNames();
while (headerNames.hasMoreElements()) {
String headerName = headerNames.nextElement();
span.addSpanTag(headerName, list(httpServletRequest.getHeaders(headerName)).toString());
}
span.addSpanTag("Method", httpServletRequest.getMethod());
return span;
}
private RequestTraceSpan constructServletRequestSpan(HttpServletRequest httpServletRequest, Servlet serv) {
RequestTraceSpan span = new RequestTraceSpan("processServletRequest");
span.addSpanTag("URL", httpServletRequest.getRequestURL().toString());
Enumeration headerNames = httpServletRequest.getHeaderNames();
while (headerNames.hasMoreElements()) {
String headerName = headerNames.nextElement();
span.addSpanTag(headerName, list(httpServletRequest.getHeaders(headerName)).toString());
}
span.addSpanTag("Method",httpServletRequest.getMethod());
span.addSpanTag("QueryString", httpServletRequest.getQueryString());
span.addSpanTag("Class",serv.getClass().getCanonicalName());
return span;
}
/**
* Remove the specified initialization parameter from this servlet.
*
* @param name Name of the initialization parameter to remove
*/
@Override
public void removeInitParameter(String name) {
synchronized (parameters) {
parameters.remove(name);
}
if (notifyContainerListeners) {
fireContainerEvent("removeInitParameter", name);
}
}
/**
* Remove a listener no longer interested in InstanceEvents.
*
* @param listener The listener to remove
*/
@Override
public void removeInstanceListener(InstanceListener listener) {
instanceSupport.removeInstanceListener(listener);
}
/**
* Remove a mapping associated with the wrapper.
*
* @param mapping The pattern to remove
*/
@Override
public void removeMapping(String mapping) {
synchronized (mappings) {
mappings.remove(mapping);
}
if (notifyContainerListeners) {
fireContainerEvent("removeMapping", mapping);
}
}
/**
* Remove any security role reference for the specified role name.
*
* @param name Security role used within this servlet to be removed
*/
@Override
public void removeSecurityReference(String name) {
synchronized (references) {
references.remove(name);
}
if (notifyContainerListeners) {
fireContainerEvent("removeSecurityReference", name);
}
}
/**
* Return a String representation of this component.
*/
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
if (getParent() != null) {
sb.append(getParent().toString())
.append(".");
}
return sb.append("StandardWrapper[")
.append(getName())
.append("]")
.toString();
}
/**
* Process an UnavailableException, marking this servlet as unavailable
* for the specified amount of time.
*
* @param unavailable The exception that occurred, or null
* to mark this servlet as permanently unavailable
*/
@Override
public void unavailable(UnavailableException unavailable) {
getServletContext().log(createMsg(MARK_SERVLET_UNAVAILABLE, getName()));
if (unavailable == null) {
setAvailable(Long.MAX_VALUE);
} else if (unavailable.isPermanent()) {
setAvailable(Long.MAX_VALUE);
} else {
int unavailableSeconds = unavailable.getUnavailableSeconds();
if (unavailableSeconds <= 0)
unavailableSeconds = 60; // Arbitrary default
setAvailable(System.currentTimeMillis() + (unavailableSeconds * 1000L));
}
}
/**
* Unload all initialized instances of this servlet, after calling the
* destroy() method for each instance. This can be used,
* for example, prior to shutting down the entire servlet engine, or
* prior to reloading all of the classes from the Loader associated with
* our Loader's repository.
*
* @exception ServletException if an exception is thrown by the
* destroy() method
*/
@Override
public synchronized void unload() throws ServletException {
// Nothing to do if we have never loaded the instance
Servlet instance = this.instance;
if (instance == null) {
return;
}
unloading = true;
// Loaf a while if the current instance is allocated
// (possibly more than once if non-STM)
if (countAllocated.get() > 0) {
int nRetries = 0;
long delay = unloadDelay / 20;
while ((nRetries < 21) && (countAllocated.get() > 0)) {
if ((nRetries % 10) == 0) {
if (log.isLoggable(FINE)) {
log.log(FINE, WAITING_INSTANCE_BE_DEALLOCATED, new Object[] {countAllocated.toString(),
instance.getClass().getName()});
}
}
try {
wait(delay);
} catch (InterruptedException e) {
// Ignore
}
nRetries++;
}
}
ClassLoader oldCtxClassLoader = Thread.currentThread().getContextClassLoader();
ClassLoader classLoader = instance.getClass().getClassLoader();
// Call the servlet destroy() method
try {
instanceSupport.fireInstanceEvent(BEFORE_DESTROY_EVENT, instance);
Thread.currentThread().setContextClassLoader(classLoader);
// START SJS WS 7.0 6236329
if ( SecurityUtil.executeUnderSubjectDoAs() ){
// END OF SJS WS 7.0 6236329
SecurityUtil.doAsPrivilege("destroy", instance);
SecurityUtil.remove(instance);
} else {
instance.destroy();
}
instanceSupport.fireInstanceEvent(AFTER_DESTROY_EVENT, instance);
} catch (Throwable t) {
instanceSupport.fireInstanceEvent(AFTER_DESTROY_EVENT, instance, t);
this.instance = null;
if (notifyContainerListeners) {
fireContainerEvent("unload", this);
}
unloading = false;
throw new ServletException(createMsg(DESTROY_SERVLET_EXCEPTION, getName()), t);
} finally {
// restore the context ClassLoader
Thread.currentThread().setContextClassLoader(oldCtxClassLoader);
}
// Deregister the destroyed instance
this.instance = null;
unloading = false;
if (notifyContainerListeners) {
fireContainerEvent("unload", this);
}
}
// -------------------------------------------------- ServletConfig Methods
/**
* Return the initialization parameter value for the specified name,
* if any; otherwise return null.
*
* @param name Name of the initialization parameter to retrieve
*/
@Override
public String getInitParameter(String name) {
return findInitParameter(name);
}
public Map getInitParameters() {
synchronized (parameters) {
return unmodifiableMap(parameters);
}
}
/**
* Return the set of initialization parameter names defined for this
* servlet. If none are defined, an empty Enumeration is returned.
*/
@Override
public Enumeration getInitParameterNames() {
synchronized (parameters) {
return new Enumerator(parameters.keySet());
}
}
/**
* Return the servlet context with which this servlet is associated.
*/
@Override
public ServletContext getServletContext() {
if (parent == null) {
return null;
}
if (!(parent instanceof Context)) {
return null;
}
return ((Context) parent).getServletContext();
}
/**
* Return the name of this servlet.
*/
@Override
public String getServletName() {
return getName();
}
/**
* Gets how long it took for the servlet to be loaded.
* @return length in milliseconds
*/
public long getLoadTime() {
return loadTime;
}
public void setLoadTime(long loadTime) {
this.loadTime = loadTime;
}
/**
* Gets how long it took for the servlet class to be loaded.
* @return length in milliseconds
*/
public int getClassLoadTime() {
return classLoadTime;
}
// -------------------------------------------------------- Private Methods
/**
* Add a default Mapper implementation if none have been configured
* explicitly.
*
* @param mapperClass Java class name of the default Mapper
*/
protected void addDefaultMapper(String mapperClass) {
// No need for a default Mapper on a Wrapper
}
/**
* Return true if the specified class name represents a
* container provided servlet class that should be loaded by the
* server class loader.
*
* @param classname Name of the class to be checked
*/
private boolean isContainerProvidedServlet(String classname) {
if (classname.startsWith("org.apache.catalina.")) {
return true;
}
try {
Class clazz = this.getClass().getClassLoader().loadClass(classname);
return (ContainerServlet.class.isAssignableFrom(clazz));
} catch (Throwable t) {
return false;
}
}
/**
* Return true if loading this servlet is allowed.
*/
private boolean isServletAllowed(Object servlet) {
if (servlet instanceof ContainerServlet) {
return ((Context) getParent()).getPrivileged() || (servlet.getClass().getName().equals("org.apache.catalina.servlets.InvokerServlet"));
}
return true;
}
/**
* Log the abbreviated name of this Container for logging messages.
* @return StandardWrapper[<parentName | null> : nameOfContainer]
*/
@Override
protected String logName() {
StringBuilder sb = new StringBuilder("StandardWrapper[");
if (getParent() != null) {
sb.append(getParent().getName());
} else {
sb.append("null");
}
return sb.append(':')
.append(getName())
.append(']')
.toString();
}
private Method[] getAllDeclaredMethods(Class c) {
if (c.equals(HttpServlet.class)) {
return null;
}
Method[] parentMethods = getAllDeclaredMethods(c.getSuperclass());
Method[] thisMethods = c.getDeclaredMethods();
if (thisMethods.length == 0) {
return parentMethods;
}
if (parentMethods != null && parentMethods.length > 0) {
Method[] allMethods = new Method[parentMethods.length + thisMethods.length];
System.arraycopy(parentMethods, 0, allMethods, 0, parentMethods.length);
System.arraycopy(thisMethods, 0, allMethods, parentMethods.length, thisMethods.length);
thisMethods = allMethods;
}
return thisMethods;
}
// ------------------------------------------------------ Lifecycle Methods
/**
* Start this component, pre-loading the servlet if the load-on-startup
* value is set appropriately.
*
* @exception LifecycleException if a fatal error occurs during startup
*/
@Override
public void start() throws LifecycleException {
// Send j2ee.state.starting notification
if (getObjectName() != null) {
Notification notification = new Notification("j2ee.state.starting", this, sequenceNumber++);
sendNotification(notification);
}
// Start up this component
super.start();
if (oname != null) {
registerJMX((StandardContext) getParent());
}
// Load and initialize an instance of this servlet if requested
// MOVED TO StandardContext START() METHOD
setAvailable(0L);
// Send j2ee.state.running notification
if (this.getObjectName() != null) {
Notification notification = new Notification("j2ee.state.running", this, sequenceNumber++);
sendNotification(notification);
}
}
/**
* Stop this component, gracefully shutting down the servlet if it has
* been initialized.
*
* @exception LifecycleException if a fatal error occurs during shutdown
*/
@Override
public void stop() throws LifecycleException {
setAvailable(Long.MAX_VALUE);
// Send j2ee.state.stopping notification
if (getObjectName() != null) {
Notification notification = new Notification("j2ee.state.stopping", this, sequenceNumber++);
sendNotification(notification);
}
// Shut down our servlet instance (if it has been initialized)
try {
unload();
} catch (ServletException e) {
getServletContext().log(createMsg(SERVLET_UNLOAD_EXCEPTION, getName()), e);
}
// Shut down this component
super.stop();
// Send j2ee.state.stoppped notification
if (this.getObjectName() != null) {
Notification notification = new Notification("j2ee.state.stopped", this, sequenceNumber++);
sendNotification(notification);
}
if (oname != null) {
// Send j2ee.object.deleted notification
Notification notification = new Notification("j2ee.object.deleted", this, sequenceNumber++);
sendNotification(notification);
}
}
protected void registerJMX(StandardContext ctx) {
String parentName = ctx.getEncodedPath();
parentName = ("".equals(parentName)) ? "/" : parentName;
String hostName = ctx.getParent().getName();
hostName = hostName == null ? "DEFAULT" : hostName;
String domain = ctx.getDomain();
String webMod = "//" + hostName + parentName;
String onameStr =
domain +
":j2eeType=Servlet,name=" + getName() +
",WebModule=" + webMod +
",J2EEApplication=" + ctx.getJ2EEApplication() +
",J2EEServer=" + ctx.getJ2EEServer();
if (isOSGi()) {
onameStr += ",osgi=true";
}
try {
oname = new ObjectName(onameStr);
controller = oname;
// Send j2ee.object.created notification
if (this.getObjectName() != null) {
Notification notification = new Notification("j2ee.object.created", this, sequenceNumber++);
sendNotification(notification);
}
} catch (Exception ex) {
if (log.isLoggable(INFO)) {
log.log(INFO, "Error registering servlet with jmx " + this, ex);
}
}
if (isJspServlet) {
// Register JSP monitoring mbean
onameStr =
domain +
":type=JspMonitor,name=" + getName() +
",WebModule=" + webMod +
",J2EEApplication=" + ctx.getJ2EEApplication() +
",J2EEServer=" + ctx.getJ2EEServer();
try {
jspMonitorON = new ObjectName(onameStr);
} catch (Exception ex) {
if (log.isLoggable(INFO)) {
log.log(INFO, "Error registering JSP monitoring with jmx " + instance, ex);
}
}
}
}
/**
* Sends a notification to anything listening via JMX.
*
* This function does not have anything to do with the notification service in Payara.
* @param notification
* @see javax.management.NotificationBroadcasterSupport
* @see fish.payara.nucleus.notification.NotificationService
*/
public void sendNotification(Notification notification) {
if (broadcaster == null) {
broadcaster = ((StandardEngine) getParent().getParent().getParent()).getService().getBroadcaster();
}
if (broadcaster != null) {
broadcaster.sendNotification(notification);
}
}
// ------------------------------------------------------------- Attributes
/** @return false */
public boolean isEventProvider() {
return false;
}
/** @return false */
public boolean isStateManageable() {
return false;
}
/** @return false */
public boolean isStatisticsProvider() {
return false;
}
private static class NotFoundErrorSupressionFilter implements Filter {
private final Filter oldFilter;
public NotFoundErrorSupressionFilter(Filter oldFilter) {
this.oldFilter = oldFilter;
}
@Override
public boolean isLoggable(LogRecord record) {
boolean rv = true;
if (isInSuppressFFNFThread.get()) {
rv = !record.getMessage().startsWith("PWC6117: File");
}
if (oldFilter != null) {
rv &= oldFilter.isLoggable(record);
}
return rv;
}
}
}