com.hazelcast.mapreduce.RemoteMapReduceException Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2016, Hazelcast, Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.mapreduce;
import com.hazelcast.core.HazelcastException;
import java.util.List;
/**
* This exception class is used to show stack traces of multiple failed
* remote operations at once. This can happen if the {@link com.hazelcast.mapreduce.impl.operation.GetResultOperation}
* fails to retrieve values for some reason.
*/
public class RemoteMapReduceException
extends HazelcastException {
public RemoteMapReduceException(String message, List remoteCauses) {
super(message);
setStackTraceElements(remoteCauses);
}
private void setStackTraceElements(List remoteCauses) {
StackTraceElement[] originalElements = super.getStackTrace();
int stackTraceSize = originalElements.length;
for (Exception remoteCause : remoteCauses) {
stackTraceSize += remoteCause.getStackTrace().length + 1;
}
StackTraceElement[] elements = new StackTraceElement[stackTraceSize];
System.arraycopy(originalElements, 0, elements, 0, originalElements.length);
int pos = originalElements.length;
for (Exception remoteCause : remoteCauses) {
StackTraceElement[] remoteStackTraceElements = remoteCause.getStackTrace();
elements[pos++] = new StackTraceElement("--- Remote Exception: " + remoteCause.getMessage() + " ---", "", null, 0);
for (int i = 0; i < remoteStackTraceElements.length; i++) {
StackTraceElement element = remoteStackTraceElements[i];
String className = " " + element.getClassName();
String methodName = element.getMethodName();
String fileName = element.getFileName();
elements[pos++] = new StackTraceElement(className, methodName, fileName, element.getLineNumber());
}
}
setStackTrace(elements);
}
}