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}