maven错误处理

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错误信息见附录。

如何定位：

1、开启 -X模式，打印详细日志。进入到子的module，执行mvn eclipse:eclipse-DskipTests -X

2、从-X的日志中看到如下信息，从调用堆栈的函数，如下是三个参数，对第二个参数做getCanonicalPath的时候报错。中间有个G:无法解析！

[DEBUG] Making relative and fixing separator: { G:\project\apache-lens-2.6.1\lens-dist, G:\project\apache-lens-2.6.1\lens-dist\target\classes\G:\project\apache-lens-2.6.1\lens-dist\target\debian\control, false }

3、如何修改，在父工程中做如下修改：

<build>
<sourceDirectory>${src.dir}</sourceDirectory>
<resources>
<resource>
<directory>${basedir}/src/deb/control</directory>


<targetPath>../debian/control</targetPath>
<filtering>true</filtering>
</resource>

和原来的实现效果一直。targetPath一般不建议用绝对路径，这里也提到了（https://issues.apache.org/jira/browse/MECLIPSE-269）。

测试通过。另外说明下 File类的getCanonicalPath()方法，“返回的是规范化的绝对路径，相当于将getAbsolutePath()中的“.”和“..”解析成对应的正确的路径”。所以修改 ../debian/control是可以返回正确的绝对路径的。

附录，错误信息：

Mycommond：G:\project\apache-lens-2.6.1>mvn eclipse:eclipse-DskipTests -X

INFO] Lens Examples...................................... SUCCESS [ 1.452 s]

[INFO] Lens Ship Jars to Distributed Cache................ SUCCESS [ 1.213 s]

[INFO] Lens Distribution.................................. FAILURE [ 2.668 s]

[INFO] Lens ML Lib........................................ SKIPPED

[INFO] Lens ML Ext Distribution........................... SKIPPED

[INFO] Lens Regression ....................................SKIPPED

[INFO] Lens UI............................................ SKIPPED

[INFO] Lens Contrib....................................... SKIPPED

[INFO] Lens Contributed Clients........................... SKIPPED

[INFO] Lens Python Client................................. SKIPPED

[INFO]------------------------------------------------------------------------

[INFO] BUILD FAILURE

[INFO]------------------------------------------------------------------------

[INFO] Total time: 02:04 min

[INFO] Finished at: 2016-12-12T22:53:09+08:00

[INFO] Final Memory: 133M/710M

[INFO]------------------------------------------------------------------------

[ERROR] Failed to execute goalorg.apache.maven.plugins:maven-eclipse-plugin:2.10:eclipse (default-cli) onproject lens-dist: Cant canonicalize system path: {0}: 文件名、目录名或卷标语法不正确。 -> [Help 1]

org.apache.maven.lifecycle.LifecycleExecutionException:Failed to execute goalorg.apache.maven.plugins:maven-eclipse-plugin:2.10:eclipse (default-cli) onproject lens-dist: Cant canonicalize system path: {0}

atorg.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:216)

atorg.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)

atorg.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)

atorg.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)

atorg.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)

atorg.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)

atorg.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)

atorg.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)

atorg.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)

atorg.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)

atorg.apache.maven.cli.MavenCli.execute(MavenCli.java:862)

atorg.apache.maven.cli.MavenCli.doMain(MavenCli.java:286)

atorg.apache.maven.cli.MavenCli.main(MavenCli.java:197)

atsun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

atsun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

atsun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

atjava.lang.reflect.Method.invoke(Method.java:497)

atorg.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)

atorg.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)

atorg.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)

atorg.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)

Caused by:org.apache.maven.plugin.MojoExecutionException: Cant canonicalize system path:{0}

atorg.apache.maven.plugin.ide.IdeUtils.getCanonicalPath(IdeUtils.java:146)

atorg.apache.maven.plugin.ide.IdeUtils.toRelativeAndFixSeparator(IdeUtils.java:582)

atorg.apache.maven.plugin.eclipse.EclipsePlugin.extractResourceDirs(EclipsePlugin.java:1745)

atorg.apache.maven.plugin.eclipse.EclipsePlugin.buildDirectoryList(EclipsePlugin.java:1635)

atorg.apache.maven.plugin.eclipse.EclipsePlugin.createEclipseWriterConfig(EclipsePlugin.java:1341)

atorg.apache.maven.plugin.eclipse.EclipsePlugin.writeConfiguration(EclipsePlugin.java:1165)

atorg.apache.maven.plugin.ide.AbstractIdeSupportMojo.execute(AbstractIdeSupportMojo.java:481)

atorg.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)

atorg.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)

... 20more

Caused by: java.io.IOException: 文件名、目录名或卷标语法不正确。

atjava.io.WinNTFileSystem.canonicalize0(Native Method)

atjava.io.WinNTFileSystem.canonicalize(WinNTFileSystem.java:428)

atjava.io.File.getCanonicalPath(File.java:618)

atorg.apache.maven.plugin.ide.IdeUtils.getCanonicalPath(IdeUtils.java:142)

... 28more

[ERROR]

[ERROR] For more information about the errors andpossible solutions, please read the following articles:

[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException

[ERROR]

[ERROR] After correcting the problems, you canresume the build with the command

[ERROR] mvn <goals> -rf:lens-dist

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