我正在尝试使用命令mvn clean install -X构建crs4gae，但得到org.apache.maven.lifecycle.LifecycleExecutionException。这是完整的堆栈跟踪：
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.eclipse.tycho:tycho-compiler-plugin:1.0.0:compile (default-compile) on project org.autorefactor.plugin.tests: Compilation failure
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:212)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: copied.org.apache.maven.plugin.CompilationFailureException: Compilation failure
at copied.org.apache.maven.plugin.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:420)
at org.eclipse.tycho.compiler.AbstractOsgiCompilerMojo.execute(AbstractOsgiCompilerMojo.java:293)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207)
... 20 more
此异常背后的原因可能是什么？ 这是POM文件（我更改了tycho的版本）：
<?xml version="1.0" encoding="UTF-8"?>
<!-- | AutoRefactor - Eclipse plugin to automatically refactor Java code
bases. | | Copyright (C) 2014-2016 Jean-Noël Rouvignac - initial API and
implementation | | This program is free software: you can redistribute it
and/or modify | it under the terms of the GNU General Public License as published
by | the Free Software Foundation, either version 3 of the License, or |
any later version. | | This program is distributed in the hope that it will
be useful, | but WITHOUT ANY WARRANTY; without even the implied warranty
of | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | GNU General
Public License for more details. | | You should have received a copy of the
GNU General Public License | along with this program under LICENSE-GNUGPL.
If not, see | <http://www.gnu.org/licenses/>. | | | All rights reserved.
This program and the accompanying materials | are made available under the
terms of the Eclipse Public License v1.0 | which accompanies this distribution
under LICENSE-ECLIPSE, and is | available at http://www.eclipse.org/legal/epl-v10.html -->
<project xmlns="http://maven.apache.org/POM/4.0.0"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<modelVersion>4.0.0</modelVersion>
<groupId>org.autorefactor.plugin</groupId>
<artifactId>parent</artifactId>
<version>1.1.0-SNAPSHOT</version>
<packaging>pom</packaging>
<modules>
<module>feature</module>
<module>plugin</module>
<module>samples</module>
<module>plugin.tests</module>
<module>repository</module>
</modules>
<properties>
<tycho.scmUrl>scm:git:https://github.com/JnRouvignac/AutoRefactor.git</tycho.scmUrl>
<tycho-repo.url>https://oss.sonatype.org/content/groups/public/</tycho-repo.url>
<tycho-version>1.0.0</tycho-version>
</properties>
<repositories>
<repository>
<id>Mars</id>
<layout>p2</layout>
<url>http://download.eclipse.org/eclipse/updates/4.5</url>
<!-- <id>Indigo</id> -->
<!-- <layout>p2</layout> -->
<!-- <url>http://download.eclipse.org/eclipse/updates/3.7</url> -->
<!-- <id>Juno 3.8</id> <url>http://download.eclipse.org/eclipse/updates/3.8</url>
<id>Juno 4.2</id> <url>http://download.eclipse.org/eclipse/updates/4.2</url>
<id>Kepler</id> <url>http://download.eclipse.org/eclipse/updates/4.3</url>
<id>Luna</id> <url>http://download.eclipse.org/eclipse/updates/4.4</url>
<id>Mars</id> <url>http://download.eclipse.org/eclipse/updates/4.5</url>
<url>http://download.eclipse.org/releases/mars</url> -->
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>tycho</id>
<url>${tycho-repo.url}</url>
<releases>
<enabled>true</enabled>
</releases>
<snapshots>
<enabled>false</enabled>
</snapshots>
</pluginRepository>
</pluginRepositories>
<build>
<plugins>
<!-- More information for Tycho based builds: http://wiki.eclipse.org/Tycho/Reference_Card
http://wiki.eclipse.org/Tycho/FAQ http://wiki.eclipse.org/Tycho/Packaging_Types
http://wiki.eclipse.org/Tycho/Migration_Howto http://wiki.eclipse.org/Category:Tycho
http://eclipse.org/tycho/documentation.php http://www.eclipse.org/tycho/sitedocs/index.html
http://www.eclipsecon.org/2013/sessions/building-eclipse-plug-ins-and-rcp-applications-tycho
https://github.com/jeffmaury/eclipsecon2013-tycho http://git.eclipse.org/c/tycho/org.eclipse.tycho-demo.git/tree/ -->
<plugin>
<groupId>org.eclipse.tycho</groupId>
<artifactId>tycho-maven-plugin</artifactId>
<version>${tycho-version}</version>
<extensions>true</extensions>
</plugin>
<plugin>
<groupId>org.eclipse.tycho</groupId>
<artifactId>target-platform-configuration</artifactId>
<version>${tycho-version}</version>
<configuration>
<pomDependencies>consider</pomDependencies>
<environments>
<environment>
<os>linux</os>
<ws>gtk</ws>
<arch>x86</arch>
</environment>
<environment>
<os>linux</os>
<ws>gtk</ws>
<arch>x86_64</arch>
</environment>
<environment>
<os>win32</os>
<ws>win32</ws>
<arch>x86</arch>
</environment>
<environment>
<os>win32</os>
<ws>win32</ws>
<arch>x86_64</arch>
</environment>
<environment>
<os>macosx</os>
<ws>cocoa</ws>
<arch>x86_64</arch>
</environment>
</environments>
</configuration>
</plugin>
<!-- TODO JNR Read and apply: http://www.sebastianbauer.info/index.php?page=tutorials&which=justify
http://www.solutionsiq.com/developing-eclipse-plug-ins-program-to-publish/
<plugin> <groupId>org.eclipse.tycho</groupId> <artifactId>tycho-surefire-plugin</artifactId>
<version>${tycho-version}</version> <configuration> <testSuite>Bundle-SymbolicName-of-bundleContaining-Tests</testSuite>
<testClass>FullyQualifiedNameOfTheTestClass</testClass> <parallel>classes|methods|both</parallel>
</configuration> </plugin> -->
<plugin>
<groupId>org.eclipse.tycho</groupId>
<artifactId>tycho-compiler-plugin</artifactId>
<version>${tycho-version}</version>
<configuration>
<source>1.6</source><!-- FIXME switch to 1.7 for RemoveUnnecessaryCastRefactoring -->
<target>1.6</target><!-- FIXME switch to 1.7 for RemoveUnnecessaryCastRefactoring -->
<compilerId>jdt</compilerId>
<!-- <compilerArgument>-err:nullAnnot,null</compilerArgument> <!- insert
your warn/err configuration here -> <compilerArguments> <properties>${project.basedir}/.settings/org.eclipse.jdt.core.prefs</properties>
</compilerArguments> -->
</configuration>
<dependencies>
<!-- This dependency provides the implementation of compiler "jdt": -->
<dependency>
<groupId>org.eclipse.tycho</groupId>
<artifactId>tycho-compiler-jdt</artifactId>
<version>${tycho-version}</version>
</dependency>
</dependencies>
</plugin>
<!-- Set the new version with: mvn org.eclipse.tycho:tycho-versions-plugin:set-version
-DnewVersion=1.0 And tag with: git tag -a v1.0 -m "My message" -->
<plugin>
<groupId>org.eclipse.tycho</groupId>
<artifactId>tycho-versions-plugin</artifactId>
<version>${tycho-version}</version>
</plugin>
</plugins>
</build>
<!-- <profiles>
<profile>
<id>checkstyle</id>
<activation>
<activeByDefault>true</activeByDefault>
</activation>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-checkstyle-plugin</artifactId>
<version>2.12.1</version>
<executions>
<execution>
<id>validate</id>
<phase>validate</phase>
<configuration>
<configLocation>checkstyle.xml</configLocation>
<encoding>UTF-8</encoding>
<consoleOutput>true</consoleOutput>
<failsOnError>true</failsOnError>
<linkXRef>false</linkXRef>
</configuration>
<goals>
<goal>check</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
</profiles> -->
<!-- https://mvnrepository.com/artifact/com.googlecode.json-simple/json-simple -->
<dependencies>
<dependency>
<groupId>com.googlecode.json-simple</groupId>
<artifactId>json-simple</artifactId>
<version>1.1</version>
</dependency>
</dependencies>
</project>