com.arjuna.ats.internal.jta.transaction.jts.TransactionImple Maven / Gradle / Ivy
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/*
Copyright The Narayana Authors
SPDX-License-Identifier: Apache-2.0
*/
package com.arjuna.ats.internal.jta.transaction.jts;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import jakarta.transaction.HeuristicMixedException;
import jakarta.transaction.RollbackException;
import jakarta.transaction.Status;
import javax.transaction.xa.XAException;
import javax.transaction.xa.XAResource;
import javax.transaction.xa.Xid;
import org.omg.CORBA.INVALID_TRANSACTION;
import org.omg.CORBA.TRANSACTION_ROLLEDBACK;
import org.omg.CORBA.TRANSACTION_UNAVAILABLE;
import org.omg.CORBA.UNKNOWN;
import org.omg.CORBA.WrongTransaction;
import org.omg.CosTransactions.NoTransaction;
import org.omg.CosTransactions.RecoveryCoordinator;
import org.omg.CosTransactions.SubtransactionsUnavailable;
import com.arjuna.ats.arjuna.common.Uid;
import com.arjuna.ats.arjuna.coordinator.BasicAction;
import com.arjuna.ats.arjuna.coordinator.TransactionReaper;
import com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator;
import com.arjuna.ats.internal.jta.resources.jts.CleanupSynchronization;
import com.arjuna.ats.internal.jta.resources.jts.LocalCleanupSynchronization;
import com.arjuna.ats.internal.jta.resources.jts.orbspecific.LastResourceRecord;
import com.arjuna.ats.internal.jta.resources.jts.orbspecific.ManagedSynchronizationImple;
import com.arjuna.ats.internal.jta.resources.jts.orbspecific.SynchronizationImple;
import com.arjuna.ats.internal.jta.resources.jts.orbspecific.XAResourceRecord;
import com.arjuna.ats.internal.jta.utils.XAUtils;
import com.arjuna.ats.internal.jta.utils.jtaxLogger;
import com.arjuna.ats.internal.jta.utils.jts.StatusConverter;
import com.arjuna.ats.internal.jta.xa.TxInfo;
import com.arjuna.ats.internal.jts.ControlWrapper;
import com.arjuna.ats.internal.jts.OTSImpleManager;
import com.arjuna.ats.jta.common.jtaPropertyManager;
import com.arjuna.ats.jta.exceptions.InactiveTransactionException;
import com.arjuna.ats.jta.exceptions.InvalidTerminationStateException;
import com.arjuna.ats.jta.logging.jtaLogger;
import com.arjuna.ats.jta.resources.LastResourceCommitOptimisation;
import com.arjuna.ats.jta.utils.JTAHelper;
import com.arjuna.ats.jta.utils.XAHelper;
import com.arjuna.ats.jta.xa.XAModifier;
import com.arjuna.ats.jta.xa.XATxConverter;
import com.arjuna.ats.jta.xa.XidImple;
/**
* An implementation of jakarta.transaction.Transaction.
*
* @author Mark Little ([email protected])
* @version $Id: TransactionImple.java 2342 2006-03-30 13:06:17Z $
* @since JTS 1.2.4.
*/
public class TransactionImple implements jakarta.transaction.Transaction,
com.arjuna.ats.jta.transaction.Transaction
{
public TransactionImple () throws SubtransactionsUnavailable
{
this(new AtomicTransaction());
_theTransaction.begin();
try
{
TwoPhaseCoordinator theTx = null;
try
{
/*
* If this is an imported transaction and we have just performed
* interposition, then register a purely local Synchronization.
* This gets us over a performance issue with JacORB.
*/
theTx = (TwoPhaseCoordinator) BasicAction.Current();
if (theTx != null) // TM is local
theTx.addSynchronization(new LocalCleanupSynchronization(this));
else
registerSynchronization(new CleanupSynchronization(this));
}
catch (ClassCastException ex)
{
/*
* Not a local/interposed transaction.
*/
registerSynchronization(new CleanupSynchronization(this));
}
}
catch (Exception ex)
{
/*
* Could set rollback only, but let's take the memory leak hit for
* now.
*/
jtaxLogger.i18NLogger.warn_jtax_transaction_jts_syncproblem(ex);
}
}
/**
* Overloads Object.equals()
*/
public boolean equals (Object obj)
{
if (jtaxLogger.logger.isTraceEnabled()) {
jtaxLogger.logger.trace("TransactionImple.equals");
}
if (obj == null)
return false;
if (obj == this)
return true;
if (obj instanceof TransactionImple)
{
if (_theTransaction != null)
{
return _theTransaction.equals(((TransactionImple) obj)._theTransaction);
}
}
return false;
}
/**
* TransactionImple (which could be a proxy to the remote transaction) will
* return up to two different hashCodes. It will return a valid hashcode if
* the remote transaction is active and it will return -1 if the transaction
* is no longer active.
* The hashcode is the uid of the transaction, when the transaction completes
* it no longer has a uid in theory hence the -1. With raw JTA as we don't
* reset the uid when the transaction completes it will still get a hashcode
* based off the uid.
* Return -1 if we fail.
*/
public int hashCode ()
{
if (_theTransaction != null)
return _theTransaction.hashCode();
else
return -1;
}
public ControlWrapper getControlWrapper ()
{
if (_theTransaction != null)
return _theTransaction.getControlWrapper();
else
return null;
}
/**
* The JTA specification is vague on whether the calling thread can have any
* transaction associated with it. It does say that it need not have the
* same transaction as this one. We could call suspend prior to making these
* calls, but for now we do nothing, and simply treat it like a Control.
*/
/**
* We will never throw a HeuristicRollbackException because if we get a
* HeuristicRollback from a resource, and can successfully rollback the
* other resources, this is then the same as having simply been forced to
* rollback the transaction during phase 1. The OTS interfaces do not allow
* a differentiation.
*/
public void commit () throws jakarta.transaction.RollbackException,
jakarta.transaction.HeuristicMixedException,
jakarta.transaction.HeuristicRollbackException,
java.lang.SecurityException, jakarta.transaction.SystemException,
java.lang.IllegalStateException
{
if (jtaxLogger.logger.isTraceEnabled()) {
jtaxLogger.logger.trace("TransactionImple.commit");
}
if (_theTransaction != null)
{
/*
* Call end on any suspended resources. If this fails, then the
* transaction will be rolled back.
*/
try
{
if ((getStatus() != Status.STATUS_ACTIVE) && (getStatus() != Status.STATUS_MARKED_ROLLBACK))
throw new NoTransaction();
if (!endSuspendedRMs())
_theTransaction.rollbackOnly();
_theTransaction.end(true);
}
catch (WrongTransaction wt)
{
jtaxLogger.i18NLogger.warn_get_jtax_transaction_jts_wrongstatetx(_theTransaction, wt);
InactiveTransactionException inactiveTransactionException = new InactiveTransactionException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_wrongstatetx());
inactiveTransactionException.initCause(wt);
throw inactiveTransactionException;
}
catch (org.omg.CosTransactions.NoTransaction e1)
{
IllegalStateException illegalStateException = new IllegalStateException(jtaxLogger.i18NLogger.get_jtax_transaction_jts_notx());
illegalStateException.initCause(e1);
throw illegalStateException;
}
catch (org.omg.CosTransactions.HeuristicMixed e2)
{
HeuristicMixedException heuristicMixedException = new jakarta.transaction.HeuristicMixedException();
heuristicMixedException.initCause(e2);
throw heuristicMixedException;
}
catch (org.omg.CosTransactions.HeuristicHazard e3)
{
HeuristicMixedException heuristicMixedException = new jakarta.transaction.HeuristicMixedException();
heuristicMixedException.initCause(e3);
throw heuristicMixedException;
}
catch (TRANSACTION_ROLLEDBACK e4)
{
RollbackException rollbackException = new RollbackException(e4.toString());
rollbackException.initCause(e4);
throw rollbackException;
}
catch (org.omg.CORBA.NO_PERMISSION e5)
{
throw new SecurityException(e5);
}
catch (INVALID_TRANSACTION e6)
{
InactiveTransactionException inactiveTransactionException = new InactiveTransactionException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_invalidtx2());
inactiveTransactionException.initCause(e6);
throw inactiveTransactionException;
}
catch (org.omg.CORBA.SystemException e7)
{
jakarta.transaction.SystemException systemException = new jakarta.transaction.SystemException(e7.toString());
systemException.initCause(e7);
throw systemException;
}
finally
{
TransactionImple.removeTransaction(this);
}
}
else
throw new IllegalStateException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_inactivetx());
}
public void rollback () throws java.lang.IllegalStateException,
java.lang.SecurityException, jakarta.transaction.SystemException
{
if (jtaxLogger.logger.isTraceEnabled()) {
jtaxLogger.logger.trace("TransactionImple.rollback");
}
boolean endSuspendedFailed = false;
if (_theTransaction != null)
{
try
{
if ((getStatus() != Status.STATUS_ACTIVE) && (getStatus() != Status.STATUS_MARKED_ROLLBACK))
throw new NoTransaction();
/*
* Call end on any suspended resources. If this fails, then there's
* not a lot else we can do because the transaction is about to roll
* back anyway!
*/
endSuspendedFailed = !endSuspendedRMs();
if (endSuspendedFailed)
{
jtaxLogger.i18NLogger.warn_jtax_transaction_jts_endsuspendfailed1();
}
_theTransaction.abort();
}
catch (WrongTransaction e1)
{
InactiveTransactionException inactiveTransactionException =new InactiveTransactionException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_wrongstatetx());
inactiveTransactionException.initCause(e1);
throw inactiveTransactionException;
}
catch (org.omg.CORBA.NO_PERMISSION e2)
{
throw new SecurityException(e2);
}
catch (INVALID_TRANSACTION e3)
{
InactiveTransactionException inactiveTransactionException = new InactiveTransactionException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_invalidtx2());
inactiveTransactionException.initCause(e3);
throw inactiveTransactionException;
}
catch (NoTransaction e4)
{
throw new IllegalStateException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_notx(), e4);
}
catch (org.omg.CORBA.SystemException e5)
{
jakarta.transaction.SystemException systemException = new jakarta.transaction.SystemException(e5.toString());
systemException.initCause(e5);
throw systemException;
}
finally
{
TransactionImple.removeTransaction(this);
}
if (endSuspendedFailed)
throw new InvalidTerminationStateException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_endsuspendfailed2());
}
else
throw new IllegalStateException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_inactivetx());
}
public void setRollbackOnly () throws java.lang.IllegalStateException,
jakarta.transaction.SystemException
{
if (jtaxLogger.logger.isTraceEnabled()) {
jtaxLogger.logger.trace("TransactionImple.setRollbackOnly");
}
if (_theTransaction != null)
{
try
{
_theTransaction.rollbackOnly();
// keep a record of why we are rolling back i.e. who called us first, it's a useful debug aid.
if (_rollbackOnlyCallerStacktrace == null)
{
_rollbackOnlyCallerStacktrace = new Throwable(jtaxLogger.i18NLogger.get_jtax_transaction_jts_notx());
}
}
catch (org.omg.CosTransactions.NoTransaction e3)
{
throw new IllegalStateException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_notx(), e3);
}
catch (final INVALID_TRANSACTION ex)
{
switch (getStatus())
{
case Status.STATUS_ROLLEDBACK:
case Status.STATUS_ROLLING_BACK:
break;
case Status.STATUS_PREPARING:
case Status.STATUS_PREPARED:
throw new InvalidTerminationStateException( jtaLogger.i18NLogger.get_transaction_arjunacore_invalidstate() );
default:
throw new InactiveTransactionException( jtaLogger.i18NLogger.get_transaction_arjunacore_inactive() );
}
}
catch (org.omg.CORBA.SystemException e4)
{
jakarta.transaction.SystemException systemException = new jakarta.transaction.SystemException(e4.toString());
systemException.initCause(e4);
throw systemException;
}
}
else
throw new IllegalStateException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_inactivetx());
}
public int getStatus () throws jakarta.transaction.SystemException
{
if (jtaxLogger.logger.isTraceEnabled()) {
jtaxLogger.logger.trace("TransactionImple.getStatus");
}
int status = jakarta.transaction.Status.STATUS_NO_TRANSACTION;
if (_theTransaction != null)
{
try
{
status = StatusConverter.convert(_theTransaction.get_status());
}
catch (org.omg.CORBA.SystemException e2)
{
jakarta.transaction.SystemException systemException = new jakarta.transaction.SystemException(e2.toString());
systemException.initCause(e2);
throw systemException;
}
}
if (jtaLogger.logger.isTraceEnabled()) {
jtaLogger.logger.trace("TransactionImple.getStatus: " + JTAHelper.stringForm(status));
}
return status;
}
public void registerSynchronization (jakarta.transaction.Synchronization sync)
throws jakarta.transaction.RollbackException,
java.lang.IllegalStateException, jakarta.transaction.SystemException
{
if (sync == null)
throw new jakarta.transaction.SystemException(
"TransactionImple.registerSynchronization - "
+ jtaxLogger.i18NLogger.get_jtax_transaction_jts_nullparam());
if (jtaxLogger.logger.isTraceEnabled()) {
jtaxLogger.logger.trace("TransactionImple.registerSynchronization - Class: " + sync.getClass() + " HashCode: " + sync.hashCode() + " toString: " + sync);
}
registerSynchronizationImple(new ManagedSynchronizationImple(sync));
}
// package-private method also for use by
// TransactionSynchronizationRegistryImple
void registerSynchronizationImple(SynchronizationImple synchronizationImple)
throws jakarta.transaction.RollbackException,
java.lang.IllegalStateException, jakarta.transaction.SystemException
{
if (_theTransaction != null)
{
try
{
_theTransaction.registerSynchronization(synchronizationImple.getSynchronization());
}
catch (TRANSACTION_ROLLEDBACK e2)
{
RollbackException rollbackException = new jakarta.transaction.RollbackException(e2.toString());
rollbackException.initCause(e2);
throw rollbackException;
}
catch (org.omg.CosTransactions.Inactive e3)
{
throw new IllegalStateException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_inactivetx(), e3);
}
catch (org.omg.CosTransactions.SynchronizationUnavailable e4)
{
throw new IllegalStateException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_syncerror(), e4);
}
catch (INVALID_TRANSACTION e5)
{
throw new IllegalStateException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_invalidtx2(), e5);
}
catch (org.omg.CORBA.SystemException e6)
{
jakarta.transaction.SystemException systemException = new jakarta.transaction.SystemException(e6.toString());
systemException.initCause(e6);
throw systemException;
}
}
else
throw new IllegalStateException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_inactivetx());
}
public boolean enlistResource (XAResource xaRes) throws RollbackException,
IllegalStateException, jakarta.transaction.SystemException
{
return enlistResource(xaRes, null);
}
public boolean enlistResource (XAResource xaRes, Object[] params)
throws RollbackException, IllegalStateException,
jakarta.transaction.SystemException
{
if (jtaxLogger.logger.isTraceEnabled()) {
jtaxLogger.logger.trace("TransactionImple.enlistResource ( "
+ xaRes + " )");
}
if (xaRes == null)
throw new jakarta.transaction.SystemException(
"TransactionImple.enlistResource - "
+ jtaxLogger.i18NLogger.get_jtax_transaction_jts_nullparam());
int status = getStatus();
switch (status)
{
case jakarta.transaction.Status.STATUS_MARKED_ROLLBACK:
throw new RollbackException("TransactionImple.enlistResource - "
+ jtaxLogger.i18NLogger.get_jtax_transaction_jts_markedrollback());
case jakarta.transaction.Status.STATUS_ACTIVE:
break;
default:
throw new IllegalStateException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_inactivetx());
}
XAModifier theModifier = null;
if (params != null)
{
if (params.length > XAMODIFIER)
{
if (params[XAMODIFIER] instanceof XAModifier)
{
theModifier = (XAModifier) params[XAMODIFIER];
}
}
}
try
{
/*
* For each transaction we maintain a list of resources registered
* with it. Each element on this list also contains a list of
* threads which have registered this resource, and what their XID
* was for that registration.
*/
TxInfo info = null;
/*
* Have we seen this specific resource instance before? Do this
* trawl first before checking the RM instance later. Saves time.
*/
try
{
synchronized (this)
{
info = (TxInfo) _resources.get(xaRes);
if (info == null)
{
/*
* Null info means it's not in the main resources list,
* but may be in the duplicates.
*/
info = (TxInfo) _duplicateResources.get(xaRes);
}
}
if (info != null)
{
switch (info.getState())
{
case TxInfo.ASSOCIATION_SUSPENDED:
{
/*
* Have seen resource before, so do a resume. The
* Resource instance will still be registered with the
* transaction though.
*/
xaRes.start(info.xid(), XAResource.TMRESUME);
info.setState(TxInfo.ASSOCIATED);
synchronized (this)
{
_suspendCount--;
}
return true; // already registered resource with this
// transaction!
}
case TxInfo.ASSOCIATED:
{
/*
* Already active on this transaction.
*/
return true;
}
case TxInfo.NOT_ASSOCIATED:
{
/*
* Resource was associated, but was presumably delisted.
*/
xaRes.start(info.xid(), XAResource.TMJOIN);
info.setState(TxInfo.ASSOCIATED);
return true;
}
default:
{
// Note: this exception will be caught by our catch
// block
throw new IllegalStateException(
"TransactionImple.enlistResource - "
+ jtaxLogger.i18NLogger.get_jtax_transaction_jts_illegalstate()
+ info.getState());
}
}
}
}
catch (IllegalStateException ex)
{
throw ex; // we threw it in the first place
}
catch (XAException exp)
{
if (info != null)
info.setState(TxInfo.FAILED);
jtaxLogger.i18NLogger.warn_jtax_transaction_jts_xaerror( "TransactionImple.enlistResource",
XAHelper.printXAErrorCode(exp), exp);
return false;
}
// if (threadIsActive(xaRes))
// return true; // this thread has already registered a resource for
// this db
/*
* We definitely haven't seen this specific resource instance
* before, but that doesn't mean that we haven't seen the RM it is
* connected to.
*/
Xid xid = null;
TxInfo existingRM = isNewRM(xaRes);
if (existingRM == null)
{
/*
* New RM, so create xid with new branch.
*/
boolean branchRequired = true;
synchronized (this)
{
if (_resources.isEmpty())// first ever, so no need for
// branch
{
//branchRequired = false;
branchRequired = true;
}
}
xid = createXid(branchRequired, theModifier);
boolean associatedWork = false;
int retry = 20;
/*
* If another process has (or is about to) create the same
* transaction association then we will probably get a failure
* during start with XAER_DUPID. We know this must be due to
* another server, since we keep track of our own registrations.
* So, if this happens we create a new transaction branch and
* try again.
*
* To save time we could always just create branches by default.
*
* Is there a benefit to a zero branch?
*/
while (!associatedWork)
{
try
{
if (_xaTransactionTimeoutEnabled)
{
int timeout = _theTransaction.getTimeout();
if (timeout > 0)
{
try
{
xaRes.setTransactionTimeout(timeout);
}
catch (XAException te)
{
jtaxLogger.i18NLogger.warn_jtax_transaction_jts_timeouterror("TransactionImple.enlistResource",
XAHelper.printXAErrorCode(te), XAHelper.xidToString(xid), te);
}
}
}
// Pay attention now, this bit is hairy. We need to add a new XAResourceRecord
// to the transaction, which will thereafter drive its completion. However, the transaction
// core is not directly XA aware, so it's our job to start the XAResource. Problem is, if
// adding the record fails, the tx will never end the resource via the XAResourceRecord,
// so we must do so directly. start may fail due to dupl xid or other reason, and transactions
// may rollback async, for which reasons we can't call add before start.
// The xid will change on each pass of the loop, so we need to create a new record on each pass.
// The registerResource will fail in the case of multiple last resources being disallowed.
// see JBTM-362 and JBTM-363
XAResourceRecord xaResourceRecord = createRecord(xaRes, params, xid);
if(xaResourceRecord != null) {
xaRes.start(xid, XAResource.TMNOFLAGS);
try {
RecoveryCoordinator recCoord = _theTransaction.registerResource(xaResourceRecord.getResource());
xaResourceRecord.setRecoveryCoordinator(recCoord);
if (jtaxLogger.logger.isTraceEnabled()) {
jtaxLogger.logger.tracef("TransactionImple.enlistResource: "
+ "resource_trace: txn uid=%s XAReource=%s resource uid=%s\n",
get_uid(), xaRes, xaResourceRecord.get_uid());
}
} catch(Exception e) {
// we called start on the resource, but _theTransaction did not accept it.
// we therefore have a mess which we must now clean up by ensuring the start is undone:
xaResourceRecord.rollback();
markRollbackOnly();
jtaxLogger.logger.debug("Can't set recovery coordinator for xa resource record: " + xaResourceRecord
+ ", " + e.getClass().getName() + ": " + e.getMessage(), e);
return false;
}
_resources.put(xaRes, new TxInfo(xid));
return true; // dive out, no need to set associatedWork = true;
}
// if we get to here, something other than a failure of xaRes.start probably went wrong.
// so we don't loop and retry, we just give up.
markRollbackOnly();
return false;
}
catch (XAException e)
{
// transaction already created by another server
/* We get this from Oracle instead of DUPID. */
if (e.errorCode == XAException.XAER_RMERR)
{
if (retry > 0)
xid = createXid(true, theModifier);
retry--;
}
else
if (e.errorCode == XAException.XAER_DUPID)
{
if (retry > 0)
xid = createXid(true, theModifier);
retry--;
}
else
{
/*
* Can't do start, so set transaction to
* rollback only.
*/
jtaxLogger.i18NLogger.warn_jtax_transaction_jts_starterror("TransactionImple.enlistResource - XAResource.start",
XAHelper.printXAErrorCode(e), XAHelper.xidToString(xid), e);
markRollbackOnly();
throw e;
}
if (retry < 0)
{
jtaxLogger.i18NLogger.warn_jtax_transaction_jts_starterror("TransactionImple.enlistResource - XAResource.start",
XAHelper.printXAErrorCode(e), XAHelper.xidToString(xid), e);
markRollbackOnly();
throw new UNKNOWN();
}
}
}
}
else
{
/*
* Have seen this RM before, so ignore this instance. The first
* registered RM instance will be used to drive the transaction
* completion. We add it to the duplicateResource list so we can
* delist it correctly later though.
*/
/*
* Re-create xid.
*/
xid = existingRM.xid();
try
{
xaRes.start(xid, XAResource.TMJOIN);
}
catch (XAException ex)
{
jtaxLogger.i18NLogger.warn_jtax_transaction_jts_xaerror("TransactionImple.enlistResource - xa_start: ", XAHelper.printXAErrorCode(ex), ex);
markRollbackOnly();
throw ex;
}
/*
* Add to duplicate resources list so we can keep track of it
* (particularly if we later have to delist).
*/
_duplicateResources.put(xaRes, new TxInfo(xid));
return true;
}
return false;
}
catch (Exception e)
{
/*
* Some exceptional condition arose and we probably could not enlist
* the resouce. So, for safety mark the transaction as rollback
* only.
*/
jtaxLogger.i18NLogger.warn_could_not_enlist_xar(xaRes, params, e);
markRollbackOnly();
return false;
}
}
/**
* Attempt to create an XAResourceRecord wrapping the given XAResource. Return null if this fails, or
* is diallowed by the current configuration of multiple last resource behaviour.
*
* @param xaRes
* @param params
* @param xid
* @return
*/
private XAResourceRecord createRecord(XAResource xaRes, Object[] params, Xid xid)
{
final XAResourceRecord record;
if ((xaRes instanceof LastResourceCommitOptimisation)
|| ((LAST_RESOURCE_OPTIMISATION_INTERFACE != null) && LAST_RESOURCE_OPTIMISATION_INTERFACE
.isInstance(xaRes)))
{
record = new LastResourceRecord(this, xaRes, xid, params);
}
else
{
record = new XAResourceRecord(this, xaRes, xid, params);
}
return record;
}
/*
* Do we have to unregister resources? Assume not as it would not make much
* sense otherwise!
*/
public boolean delistResource (XAResource xaRes, int flags)
throws IllegalStateException, jakarta.transaction.SystemException
{
if (jtaxLogger.logger.isTraceEnabled()) {
jtaxLogger.logger.trace("TransactionImple.delistResource ( "
+ xaRes + ", " + flags + " )");
}
if (xaRes == null)
throw new jakarta.transaction.SystemException(
"TransactionImple.delistResource - "
+ jtaxLogger.i18NLogger.get_jtax_transaction_jts_nullparam());
int status = getStatus();
switch (status)
{
case jakarta.transaction.Status.STATUS_ACTIVE:
break;
case jakarta.transaction.Status.STATUS_MARKED_ROLLBACK:
break;
default:
throw new IllegalStateException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_inactivetx());
}
TxInfo info = null;
try
{
synchronized (this)
{
info = (TxInfo) _resources.get(xaRes);
if (info == null)
info = (TxInfo) _duplicateResources.get(xaRes);
}
if (info == null)
{
jtaxLogger.i18NLogger.warn_jtax_transaction_jts_unknownres("TransactionImple.delistResource");
return false;
}
else
{
boolean optimizedRollback = false;
try
{
/*
* If we know the transaction is going to rollback, then we
* can try to rollback the RM now. Just an optimisation.
*/
if (status == jakarta.transaction.Status.STATUS_MARKED_ROLLBACK)
{
if (XAUtils.canOptimizeDelist(xaRes))
{
boolean rollbackOnly = false;
try {
xaRes.end(info.xid(), XAResource.TMFAIL);
} catch (XAException e1) {
if ((e1.errorCode >= XAException.XA_RBBASE)
&& (e1.errorCode <= XAException.XA_RBEND)) {
rollbackOnly = true;
}
}
try {
xaRes.rollback(info.xid());
} catch (XAException e1) {
// If we get a valid XA_RB from XAResource::end we should not treat an XAER_NOTA as
// unexpected and thus allow the optimized rollback to continue
if (!(rollbackOnly && e1.errorCode == XAException.XAER_NOTA)) {
throw e1;
}
}
info.setState(TxInfo.OPTIMIZED_ROLLBACK);
optimizedRollback = true;
}
}
}
catch (Exception e)
{
// failed, so try again when transaction does rollback
}
switch (info.getState())
{
case TxInfo.ASSOCIATED:
{
if ((flags & XAResource.TMSUCCESS) != 0)
{
xaRes.end(info.xid(), XAResource.TMSUCCESS);
info.setState(TxInfo.NOT_ASSOCIATED);
}
else
{
if ((flags & XAResource.TMSUSPEND) != 0)
{
xaRes.end(info.xid(), XAResource.TMSUSPEND);
info.setState(TxInfo.ASSOCIATION_SUSPENDED);
synchronized (this)
{
_suspendCount++;
}
}
else
{
xaRes.end(info.xid(), XAResource.TMFAIL);
info.setState(TxInfo.FAILED);
}
}
}
break;
case TxInfo.ASSOCIATION_SUSPENDED:
{
if ((flags & XAResource.TMSUCCESS) != 0)
{
// Oracle barfs if we don't resume first, despite what
// XA says!
if (XAUtils.mustEndSuspendedRMs(xaRes))
xaRes.start(info.xid(), XAResource.TMRESUME);
xaRes.end(info.xid(), XAResource.TMSUCCESS);
info.setState(TxInfo.NOT_ASSOCIATED);
synchronized (this)
{
_suspendCount--;
}
}
else
{
if ((flags & XAResource.TMSUSPEND) != 0)
{
// Note: this exception will be caught by our catch
// block
throw new IllegalStateException(
"TransactionImple.delistResource - "
+ jtaxLogger.i18NLogger.get_jtax_transaction_jts_ressusp());
}
else
{
xaRes.end(info.xid(), XAResource.TMFAIL);
info.setState(TxInfo.FAILED);
synchronized (this)
{
_suspendCount--;
}
}
}
}
break;
default:
if (!optimizedRollback)
throw new IllegalStateException(
"TransactionImple.delistResource - "
+ jtaxLogger.i18NLogger.get_jtax_transaction_jts_illegalstate()
+ info.getState());
}
info = null;
return true;
}
}
catch (IllegalStateException ex)
{
throw ex;
}
catch (XAException exp)
{
if (info != null)
info.setState(TxInfo.FAILED);
/*
* For safety mark the transaction as rollback only.
*/
markRollbackOnly();
jtaxLogger.i18NLogger.warn_jtax_transaction_jts_xaerror("TransactionImple.delistResource", XAHelper.printXAErrorCode(exp), exp);
return false;
}
catch (Exception e)
{
jtaxLogger.i18NLogger.warn_jtax_transaction_jts_delistfailed(e);
/*
* Some exception occurred and we probably could not delist the
* resource. So, for safety mark the transaction as rollback only.
*/
markRollbackOnly();
return false;
}
}
public final Uid get_uid ()
{
return _theTransaction.get_uid();
}
public final Xid getTxId ()
{
Xid res = baseXid();
if (res == null)
return _theTransaction.get_xid(false);
return res;
}
public String toString ()
{
if (_theTransaction == null)
return "TransactionImple < jts, NoTransaction >";
else
{
return "TransactionImple < jts, " + _theTransaction.get_uid()
+ " >";
}
}
public void endAssociation(Xid _tranID, XAResource _theXAResource, int xaState, int txInfoState) throws XAException {
int txInfo = getXAResourceState(_theXAResource);
XAException toThrow = null;
if ((txInfo != TxInfo.NOT_ASSOCIATED) && (txInfo != TxInfo.FAILED)) {
try {
doEnd(_tranID, _theXAResource, xaState, txInfoState);
} catch (XAException e) {
toThrow = e;
}
}
for (Object resource : _duplicateResources.keySet()) {
XAResource dupXar = (XAResource) resource;
if (_theXAResource.isSameRM(dupXar)) {
try {
doEnd(_tranID, dupXar, xaState, txInfoState);
} catch (XAException e) {
// Some resource managers (e.g. Artemis) will not allow xa_end on duplicate xa resources as per JTA 1.2
if (e.errorCode != XAException.XAER_PROTO || STRICTJTA12DUPLICATEXAENDPROTOERR) {
if (toThrow == null) {
toThrow = e;
}
// Could add suppressed but this is not sent back via IDL so not doing
}
}
}
}
if (toThrow != null) {
throw toThrow;
}
}
private void doEnd(Xid _tranID, XAResource xar, int xaState, int txInfoState) throws XAException {
try {
xar.end(_tranID, xaState);
setXAResourceState(xar, txInfoState);
} catch (XAException e1) {
boolean dontWarn = false;
switch (e1.errorCode) {
case XAException.XA_RBROLLBACK:
case XAException.XA_RBCOMMFAIL:
case XAException.XA_RBDEADLOCK:
case XAException.XA_RBINTEGRITY:
case XAException.XA_RBOTHER:
case XAException.XA_RBPROTO:
case XAException.XA_RBTIMEOUT:
case XAException.XA_RBTRANSIENT:
setXAResourceState(xar, txInfoState);
if (xaState == XAResource.TMFAIL) {
dontWarn = true; // XA_RB* codes are valid spec behaviour if we're rolling back anyhow.
}
}
if (!dontWarn) {
jtaxLogger.i18NLogger.warn_could_not_end_xar(xar, e1);
}
throw e1;
}
}
public int getXAResourceState (XAResource xaRes)
{
int state = TxInfo.UNKNOWN;
if (xaRes != null)
{
TxInfo info = (TxInfo) _resources.get(xaRes);
if (info == null)
{
info = (TxInfo) _duplicateResources.get(xaRes);
}
if (info != null)
state = info.getState();
}
return state;
}
public void setXAResourceState (XAResource xaRes, int state) {
if (xaRes != null)
{
TxInfo info = (TxInfo) _resources.get(xaRes);
if (info == null)
{
info = (TxInfo) _duplicateResources.get(xaRes);
}
if (info != null)
info.setState(state);
}
}
/**
* Creates if does not exist and adds to our internal mapping table.
*/
public static final TransactionImple getTransaction ()
{
TransactionImple tx = null;
// try {
ControlWrapper otx = OTSImpleManager.current().getControlWrapper();
if (otx != null)
{
synchronized (TransactionImple._transactions)
{
try
{
tx = (TransactionImple) TransactionImple._transactions.get(otx.get_uid());
if (tx == null)
{
/*
* If it isn't active then don't add it to the
* hashtable.
*/
tx = new TransactionImple(new AtomicTransaction(otx));
try
{
if (tx.getStatus() == jakarta.transaction.Status.STATUS_ACTIVE)
{
putTransaction(tx);
}
}
catch (Exception ex)
{
// shouldn't happen!
}
}
}
catch (ClassCastException ex)
{
jtaxLogger.i18NLogger.warn_jtax_transaction_jts_nottximple();
}
}
}
// We used to catch the TRANSACTION_UNAVAILABLE exception here but it is not clear there is a good reason to do so.
// It is beneficial for TransactionManager::suspend to have knowledge that the transaction is in this state to know
// whether it is worth trying to locate a local instance of a transaction by Uid (potentially an expensive operation)
// } catch (TRANSACTION_UNAVAILABLE e) {
// if (e.minor != 1) {
// throw e;
// }
// }
return tx;
}
public static final TransactionImple getTransaction(Uid id)
{
try
{
if (id != null)
return (TransactionImple) _transactions.get(id);
else
return null;
}
catch (Exception e)
{
return new TransactionImple(null);
}
}
public final void shutdown ()
{
removeTransaction(this);
}
// get a key-value pair from a transaction specific Map
public Object getTxLocalResource(Object key)
{
return _txLocalResources.get(key);
}
// store a key-value pair in the scope of the transaction.
public void putTxLocalResource(Object key, Object value)
{
_txLocalResources.put(key, value);
}
/*
* For JBossAS integration TransactionLocal implementation, we need to know if a tx has been
* resolved yet or not. We could use getStatus() and a case stmt, but since an instance is
* removed from _transactions on completion this is just as effective.
* @param tx
* @return
*/
public boolean isAlive() {
try {
if(_theTransaction != null) {
return _transactions.containsKey(this.get_uid());
} else {
return false;
}
} catch(NullPointerException e) {
return false; // there is no tx/action, therefore it's not alive.
}
}
protected TransactionImple (AtomicTransaction tx)
{
_theTransaction = tx;
if (tx != null)
{
_resources = new Hashtable();
_duplicateResources = new Hashtable();
_txLocalResources = Collections.synchronizedMap(new HashMap());
}
else
{
_resources = null;
_duplicateResources = null;
}
_suspendCount = 0;
try
{
if (getStatus() == jakarta.transaction.Status.STATUS_ACTIVE)
{
TwoPhaseCoordinator theTx = null;
try
{
/*
* If this is an imported transaction and we have just
* performed interposition, then register a purely local
* Synchronization. This gets us over a performance issue
* with JacORB.
*/
theTx = (TwoPhaseCoordinator) BasicAction.Current();
if (theTx != null)
theTx.addSynchronization(new LocalCleanupSynchronization(
this));
else
registerSynchronization(new CleanupSynchronization(this));
}
catch (ClassCastException ex)
{
/*
* Not a local/interposed transaction.
*/
registerSynchronization(new CleanupSynchronization(this));
}
}
}
catch (Exception ex)
{
/*
* Could set rollback only, but let's take the possible memory leak
* hit for now.
*/
jtaxLogger.i18NLogger.warn_jtax_transaction_jts_syncproblem(ex);
}
_xaTransactionTimeoutEnabled = getXATransactionTimeoutEnabled() ;
}
protected void commitAndDisassociate ()
throws jakarta.transaction.RollbackException,
jakarta.transaction.HeuristicMixedException,
jakarta.transaction.HeuristicRollbackException,
java.lang.SecurityException, jakarta.transaction.SystemException,
java.lang.IllegalStateException
{
if (jtaxLogger.logger.isTraceEnabled()) {
jtaxLogger.logger.trace("TransactionImple.commitAndDisassociate");
}
if (_theTransaction != null)
{
try
{
_theTransaction.commit(true);
}
catch (WrongTransaction wt)
{
throw new IllegalStateException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_wrongstatetx(), wt);
}
catch (org.omg.CosTransactions.NoTransaction e1)
{
throw new IllegalStateException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_notx(), e1);
}
catch (org.omg.CosTransactions.HeuristicMixed e2)
{
HeuristicMixedException heuristicMixedException = new jakarta.transaction.HeuristicMixedException();
heuristicMixedException.initCause(e2);
throw heuristicMixedException;
}
catch (org.omg.CosTransactions.HeuristicHazard e3)
{
HeuristicMixedException heuristicMixedException = new jakarta.transaction.HeuristicMixedException();
heuristicMixedException.initCause(e3);
throw heuristicMixedException;
}
catch (TRANSACTION_ROLLEDBACK e4)
{
jtaxLogger.i18NLogger.warn_jtax_transaction_jts_ex(e4);
RollbackException rollbackException = new RollbackException(e4.toString());
if(_rollbackOnlyCallerStacktrace != null) {
// we rolled back beacuse the user explicitly told us not to commit. Attach the trace of who did that for debug:
rollbackException.initCause(_rollbackOnlyCallerStacktrace);
}
throw rollbackException;
}
catch (org.omg.CORBA.NO_PERMISSION e5)
{
throw new SecurityException(e5);
}
catch (INVALID_TRANSACTION e6)
{
/*
* In JTS/OTS we can indicate that something was terminated by another thread.
* JTA doesn't really prevent this, but ...
*/
//throw new IllegalStateException(
// jtaxLogger.loggerI18N.getString("com.arjuna.ats.internal.jta.transaction.jts.invalidtx2"));
throw new IllegalStateException();
}
catch (org.omg.CORBA.SystemException e7)
{
InvalidTerminationStateException invalidTerminationStateException = new InvalidTerminationStateException();
invalidTerminationStateException.initCause(e7);
throw invalidTerminationStateException;
}
finally
{
TransactionImple.removeTransaction(this);
}
}
else
throw new IllegalStateException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_inactivetx());
}
protected void rollbackAndDisassociate ()
throws java.lang.IllegalStateException,
java.lang.SecurityException, jakarta.transaction.SystemException
{
if (jtaxLogger.logger.isTraceEnabled()) {
jtaxLogger.logger.trace("TransactionImple.rollbackAndDisassociate");
}
if (_theTransaction != null)
{
try
{
_theTransaction.rollback();
}
catch (WrongTransaction e1)
{
throw new IllegalStateException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_wrongstatetx(), e1);
}
catch (org.omg.CORBA.NO_PERMISSION e2)
{
throw new SecurityException(e2);
}
catch (INVALID_TRANSACTION e3)
{
throw new IllegalStateException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_invalidtx2(), e3);
}
catch (NoTransaction e4)
{
throw new IllegalStateException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_notx(), e4);
}
catch (org.omg.CORBA.SystemException e5)
{
jakarta.transaction.SystemException systemException = new jakarta.transaction.SystemException(e5.toString());
systemException.initCause(e5);
throw systemException;
}
finally
{
TransactionImple.removeTransaction(this);
}
}
else
throw new IllegalStateException(
jtaxLogger.i18NLogger.get_jtax_transaction_jts_inactivetx());
}
/**
* If this is an imported JCA transaction, then this method will return the
* Xid we should pretend to be. Otherwise it'll return null and we will generate
* our own Xid.
*
* @return null for a pure ATS transaction, otherwise a valid JCA imported Xid.
*/
protected Xid baseXid ()
{
return null;
}
/*
* Add and remove transactions from list.
*/
protected static final void putTransaction (TransactionImple tx)
{
TransactionImple._transactions.put(tx.get_uid(), tx);
}
public static final void removeTransaction (TransactionImple tx)
{
TransactionImple._transactions.remove(tx.get_uid());
}
/**
* If there are any suspended RMs then we should call end on them before the
* transaction is terminated.
*/
protected boolean endSuspendedRMs ()
{
boolean result = true;
if (_suspendCount > 0)
{
Enumeration el = _resources.keys();
/*
* Loop over all registered resources. Those that are in a suspended
* state must have end called on them. If this fails, then we will
* eventually roll back the transaction, but we will continue down
* the list to try to end any other suspended resources.
*/
if (el != null)
{
try
{
while (el.hasMoreElements())
{
/*
* Get the XAResource in case we have to call end on it.
*/
XAResource xaRes = (XAResource) el.nextElement();
TxInfo info = (TxInfo) _resources.get(xaRes);
if (info.getState() == TxInfo.ASSOCIATION_SUSPENDED)
{
if (XAUtils.mustEndSuspendedRMs(xaRes))
xaRes.start(info.xid(), XAResource.TMRESUME);
xaRes.end(info.xid(), XAResource.TMSUCCESS);
info.setState(TxInfo.NOT_ASSOCIATED);
}
}
}
catch (XAException ex)
{
jtaxLogger.i18NLogger.warn_jtax_transaction_jts_xaenderror();
result = false;
}
}
/*
* do the same again for duplicate resources
*/
el = _duplicateResources.keys();
if (el != null)
{
try
{
while (el.hasMoreElements())
{
/*
* Get the XAResource in case we have to call end on it.
*/
XAResource xaRes = (XAResource) el.nextElement();
TxInfo info = (TxInfo) _duplicateResources.get(xaRes);
if (info.getState() == TxInfo.ASSOCIATION_SUSPENDED)
{
if (XAUtils.mustEndSuspendedRMs(xaRes))
xaRes.start(info.xid(), XAResource.TMRESUME);
xaRes.end(info.xid(), XAResource.TMSUCCESS);
info.setState(TxInfo.NOT_ASSOCIATED);
}
}
}
catch (XAException ex)
{
jtaxLogger.i18NLogger.warn_jtax_transaction_jts_xaenderror();
result = false;
}
}
_suspendCount = 0;
}
return result;
}
/**
* If this thread has already registered a resource for the same db then
* don't use this copy. For some databases it would actually be ok for us to
* use the resource (at least to do an xa_start equivalent on it), but for
* Oracle 8.1.6 it causes their JDBC driver to crash!
*/
private final boolean threadIsActive (XAResource xaRes)
{
Thread t = Thread.currentThread();
try
{
Enumeration el = _resources.keys();
if (el != null)
{
while (el.hasMoreElements())
{
XAResource x = (XAResource) el.nextElement();
if (x.isSameRM(xaRes))
{
TxInfo info = (TxInfo) _resources.get(x);
if (info.thread() == t)
return true;
}
}
}
el = _duplicateResources.keys();
if (el != null)
{
while (el.hasMoreElements())
{
XAResource x = (XAResource) el.nextElement();
if (x.isSameRM(xaRes))
{
TxInfo info = (TxInfo) _resources.get(x);
if (info.thread() == t)
return true;
}
}
}
}
catch (Exception e)
{
jtaxLogger.i18NLogger.warn_jtax_transaction_jts_threaderror(e);
throw new com.arjuna.ats.arjuna.exceptions.FatalError(e.toString(), e);
}
return false;
}
/**
* isNewRM returns an existing TxInfo for the same RM, if present. Null
* otherwise.
*/
private final TxInfo isNewRM (XAResource xaRes)
{
try
{
synchronized (this)
{
Enumeration el = _resources.keys();
if (el != null)
{
while (el.hasMoreElements())
{
XAResource x = (XAResource) el.nextElement();
if (x.isSameRM(xaRes))
{
return (TxInfo) _resources.get(x);
}
}
}
el = _duplicateResources.keys();
if (el != null)
{
while (el.hasMoreElements())
{
XAResource x = (XAResource) el.nextElement();
if (x.isSameRM(xaRes))
{
return (TxInfo) _duplicateResources.get(x);
}
}
}
}
}
catch (XAException ex)
{
jtaxLogger.i18NLogger.warn_jtax_transaction_jts_xaerror("TransactionImple.isNewRM", XAHelper.printXAErrorCode(ex), ex);
throw new com.arjuna.ats.arjuna.exceptions.FatalError(ex.toString(), ex);
}
catch (Exception e)
{
jtaxLogger.i18NLogger.warn_jtax_transaction_jts_rmerror(e);
throw new com.arjuna.ats.arjuna.exceptions.FatalError(e.toString(), e);
}
return null;
}
private final Xid createXid (boolean branch, XAModifier theModifier)
{
Xid jtaXid = baseXid();
// if Xid does not belong to Narayana (format corresponding with JTS) not allowing to be edited
if (jtaXid != null && jtaXid.getFormatId() != com.arjuna.ats.jts.extensions.Arjuna.XID())
return jtaXid;
try
{
if (jtaXid != null)
{
// if Xid exists then we do not want to generate whole Xid from scratch but using unique Uid
jtaXid = new XidImple(jtaXid, branch, XAUtils.getEisName(jtaXid));
} else {
jtaXid = _theTransaction.get_xid(branch);
}
if (theModifier != null)
{
try
{
jtaXid = theModifier.createXid(jtaXid);
}
catch (Exception e)
{
jtaxLogger.i18NLogger.warn_jtax_transaction_jts_ex(e);
}
}
return jtaXid;
}
catch (Exception e)
{
jtaxLogger.i18NLogger.warn_jtax_transaction_jts_ex(e);
}
return null;
}
/**
* This method calls setRollbackOnly and catches any exceptions it may throw
* and issues a warning. We use this in places wherew we need to force the
* outcome of the transaction but already have an exception to throw back to
* the application, so a failure here will only be masked.
*/
private final void markRollbackOnly ()
{
try
{
if (_theTransaction != null)
{
try
{
_theTransaction.rollbackOnly();
}
catch (org.omg.CosTransactions.NoTransaction e3)
{
// ok
}
catch (org.omg.CORBA.SystemException e3)
{
jakarta.transaction.SystemException systemException = new jakarta.transaction.SystemException(e3.toString());
systemException.initCause(e3);
throw systemException;
}
}
}
catch (Exception ex)
{
jtaxLogger.i18NLogger.warn_jtax_transaction_jts_rollbackerror("TransactionImple.markRollbackOnly -", ex);
}
}
private static boolean getXATransactionTimeoutEnabled()
{
return XA_TRANSACTION_TIMEOUT_ENABLED ;
}
public static Map getTransactions()
{
return Collections.unmodifiableMap(_transactions);
}
public Map getResources()
{
return Collections.unmodifiableMap(_resources);
}
public int getTimeout()
{
return _theTransaction.getTimeout();
}
public long getRemainingTimeoutMills() {
return TransactionReaper.transactionReaper().getRemainingTimeoutMills(_theTransaction.getControlWrapper());
}
public java.util.Map getSynchronizations()
{
if (_theTransaction != null)
return _theTransaction.getControlWrapper().getSynchronizations();
return Collections.EMPTY_MAP;
}
protected AtomicTransaction _theTransaction;
private Hashtable _resources;
private Hashtable _duplicateResources;
private int _suspendCount;
private final boolean _xaTransactionTimeoutEnabled ;
private Map _txLocalResources;
private Throwable _rollbackOnlyCallerStacktrace;
private static final boolean XA_TRANSACTION_TIMEOUT_ENABLED = jtaPropertyManager.getJTAEnvironmentBean()
.isXaTransactionTimeoutEnabled();
private static final Class LAST_RESOURCE_OPTIMISATION_INTERFACE = jtaPropertyManager.getJTAEnvironmentBean()
.getLastResourceOptimisationInterface();
/**
* Static block writes warning message to the log if last resource optimisation interface was not provided.
*/
static
{
if(LAST_RESOURCE_OPTIMISATION_INTERFACE == null) {
jtaLogger.i18NLogger.warn_transaction_arjunacore_lastResourceOptimisationInterface(jtaPropertyManager.getJTAEnvironmentBean().getLastResourceOptimisationInterfaceClassName());
jtaxLogger.i18NLogger.warn_jtax_transaction_jts_lastResourceOptimisationInterface(jtaPropertyManager.getJTAEnvironmentBean().getLastResourceOptimisationInterfaceClassName());
}
}
private static ConcurrentHashMap _transactions = new ConcurrentHashMap();
private static final boolean STRICTJTA12DUPLICATEXAENDPROTOERR = jtaPropertyManager.getJTAEnvironmentBean().isStrictJTA12DuplicateXAENDPROTOErr();
}