| /** |
| * 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.netbeans.html.ko4j; |
| |
| import java.util.Map; |
| import java.util.Timer; |
| import java.util.TimerTask; |
| |
| final class DumpStack extends TimerTask { |
| |
| private static final Timer TIMER = new Timer("Dump Stack Watchdog"); |
| private final long created = System.currentTimeMillis(); |
| private int count = 5 * 12; |
| |
| @Override |
| public void run() { |
| StringBuilder sb = new StringBuilder(); |
| long after = (System.currentTimeMillis() - created) / 1000; |
| sb.append("Thread dump after ").append(after).append(" s from start:\n"); |
| for (Map.Entry<Thread, StackTraceElement[]> info : Thread.getAllStackTraces().entrySet()) { |
| sb.append(info.getKey().getName()).append("\n"); |
| for (StackTraceElement e : info.getValue()) { |
| sb.append(" ").append(e.getClassName()).append("."). |
| append(e.getMethodName()).append("(").append(e.getFileName()). |
| append(":").append(e.getLineNumber()).append(")\n"); |
| } |
| } |
| System.err.println(sb.toString()); |
| if (count-- < 0) { |
| System.err.println("DumpStack timeout. Exiting."); |
| System.exit(1); |
| } |
| } |
| |
| public static void initialize() { |
| final int fiveSec = 5000; |
| TIMER.schedule(new DumpStack(), fiveSec, 2 * fiveSec); |
| } |
| } |