001package org.apache.maven.exception; 002 003/* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022import java.io.IOException; 023import java.net.ConnectException; 024 025import org.apache.maven.plugin.MojoExecutionException; 026 027import junit.framework.TestCase; 028 029/** 030 * @author <a href="mailto:baerrach@apache.org">Barrie Treloar</a> 031 */ 032public class DefaultExceptionHandlerTest 033 extends TestCase 034{ 035 /** 036 * Running Maven under JDK7 may cause connection issues because IPv6 is used by default. 037 * <p> 038 * e.g running mvn site:run will cause Jetty to fail. 039 * </p> 040 * <p> 041 * The resolution is to add -Djava.net.preferIPv4Stack=true to the command line as documented in 042 * http://cwiki.apache.org/confluence/display/MAVEN/ConnectException 043 * </p> 044 */ 045 public void testJdk7ipv6() 046 { 047 ConnectException connEx = new ConnectException( "Connection refused: connect" ); 048 IOException ioEx = new IOException( "Unable to establish loopback connection" ); 049 ioEx.initCause( connEx ); 050 MojoExecutionException mojoEx = 051 new MojoExecutionException( "Error executing Jetty: Unable to establish loopback connection", ioEx ); 052 053 ExceptionHandler exceptionHandler = new DefaultExceptionHandler(); 054 ExceptionSummary exceptionSummary = exceptionHandler.handleException( mojoEx ); 055 056 String expectedReference = "http://cwiki.apache.org/confluence/display/MAVEN/ConnectException"; 057 assertEquals( expectedReference, exceptionSummary.getReference() ); 058 059 } 060}