| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.uima.aae.error; |
| |
| import java.lang.Thread.UncaughtExceptionHandler; |
| |
| import org.apache.uima.UIMAFramework; |
| import org.apache.uima.aae.UIMAEE_Constants; |
| import org.apache.uima.util.Level; |
| |
| public class UimaAsUncaughtExceptionHandler implements UncaughtExceptionHandler { |
| private static final Class<UimaAsUncaughtExceptionHandler> CLASS_NAME = UimaAsUncaughtExceptionHandler.class; |
| private volatile boolean handledOOMalready; |
| String uimaAsService; |
| |
| public UimaAsUncaughtExceptionHandler(String uimaAsService) { |
| this.uimaAsService = uimaAsService; |
| } |
| |
| private boolean isTerminalError(Throwable t) { |
| return (t instanceof OutOfMemoryError || |
| t instanceof LinkageError || |
| t instanceof NoClassDefFoundError || |
| t instanceof NoSuchMethodError ); |
| } |
| public void uncaughtException(Thread t, Throwable e) { |
| if ( !handledOOMalready ) { // the OOM has already been reported |
| if ( e instanceof OutOfMemoryError ) { |
| handledOOMalready = true; |
| } |
| // the following are best effort attempts to show the errors. If the error |
| // is OOM, dumping trace or logging may cause another OOM. |
| e.printStackTrace(); |
| UIMAFramework.getLogger(CLASS_NAME).logrb(Level.WARNING, CLASS_NAME.getName(), |
| "uncaughtException", UIMAEE_Constants.JMS_LOG_RESOURCE_BUNDLE, |
| "UIMAEE_uncaught_error_WARNING", new Object[] {uimaAsService,e}); |
| if ( isTerminalError(e) ) { |
| UIMAFramework.getLogger(CLASS_NAME).logrb(Level.WARNING, CLASS_NAME.getName(), |
| "uncaughtException", UIMAEE_Constants.JMS_LOG_RESOURCE_BUNDLE, |
| "UIMAEE_terminal_error_WARNING",new Object[] {uimaAsService}); |
| System.exit(2); |
| } |
| } else { |
| System.exit(2); // repeated OOM, just exit |
| } |
| } |
| |
| } |