Here you can find the source of getStackTrace(Throwable t)
public static String getStackTrace(Throwable t)
//package com.java2s; /**/* w w w .j a v a2 s .c o m*/ * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ import java.io.BufferedWriter; import java.io.PrintWriter; import java.io.StringWriter; public class Main { public static String getStackTrace(Throwable t) { String stackTrace = null; PrintWriter printWriter = null; try { StringWriter stringWriter = new StringWriter(); printWriter = new PrintWriter(new BufferedWriter(stringWriter)); t.printStackTrace(printWriter); printWriter.flush(); stackTrace = stringWriter.toString(); } finally { if (printWriter != null) { printWriter.flush(); printWriter.close(); } } return stackTrace; } }