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From "seba.wagner@gmail.com" <seba.wag...@gmail.com>
Subject Re: Maven SCM plugin fails to do a scm:update after a scm:checkout with strange error message "Command failed.The git-log command failed."
Date Fri, 01 Mar 2013 07:58:55 GMT
Hi Andreas,

sorry its actually a private Git repo, I just replaced/obfuscated the
domain name

Sebastian
Am 01.03.2013 20:56 schrieb "Andreas Gudian" <andreas.gudian@gmail.com>:

> Hi,
>
> Don't you have to use the https or ssh transport for github write access?
> The git protocol is read-only on github.
>
> Anyway you're right, the error message is a bit confusing. ;)
>
> Andreas
>
> Am Donnerstag, 28. Februar 2013 schrieb seba.wagner@gmail.com :
>
> > Hi,
> >
> > I have configured a Maven project to checkout a Git project using:
> >
> > <scm>
> >     <developerConnection>scm:git:git@git.github.com:
> > example/myproject.git</developerConnection>
> > </scm>
> >
> >
> > Using: mvn scm:checkout
> >
> > The project checks out fine into target/checkout
> >
> > I would expect if do a "scm:update" it would simply work, cause
> > scm:checkout works. But it doesn't. By running with the "-e" option (mvn
> -e
> > scm:update) to get the full stack trace, it will show some obscure error
> > message:
> >
> > [ERROR] Failed to execute goal
> > org.apache.maven.plugins:maven-scm-plugin:1.8.1:update (default-cli)
> > on project mysampleproject: Command failed.The git-log command failed.
> > -> [Help 1]
> > org.apache.maven.lifecycle.LifecycleExecutionException: Failed to
> > execute goal org.apache.maven.plugins:maven-scm-plugin:1.8.1:update
> > (default-cli) on project mysampleproject: Command failed.The git-log
> > command failed.
> >     at
> >
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:217)
> >     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:84)
> >     at
> >
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
> >     at
> >
> org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
> >     at
> >
> org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
> >     at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
> >     at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
> >     at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
> >     at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
> >     at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
> >     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> >     at
> >
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> >     at
> >
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> >     at java.lang.reflect.Method.invoke(Method.java:601)
> >     at
> >
> org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
> >     at
> >
> org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
> >     at
> >
> org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
> >     at
> > org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
> > Caused by: org.apache.maven.plugin.MojoExecutionException: Command
> > failed.The git-log command failed.
> >     at
> >
> org.apache.maven.scm.plugin.AbstractScmMojo.checkResult(AbstractScmMojo.java:439)
> >     at org.apache.maven.scm.plugin.UpdateMojo.execute(UpdateMojo.java:93)
> >     at
> >
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
> >     at
> >
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
> >     ... 19 more
> > [ERROR]
> > [ERROR]
> > [ERROR] For more information about the errors and possible solutions,
> > please read the following articles:
> > [ERROR] [Help 1]
> > http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
> >
> >
> > Now what should this error tell me ?
> >
> > "git log" of course works. If I cd to the directory that Maven did
> checkout
> > using "scm:checkout", I can perform "git log" and will get the correct
> > output.
> >
> > I have found the source code that produces the the Maven error:
> >
> >
> >
> http://maven.apache.org/scm/maven-scm-providers/maven-scm-providers-git/maven-scm-provider-gitexe/xref/org/apache/maven/scm/provider/git/gitexe/command/update/GitUpdateCommand.html
> >
> > "The git-log command failed."
> >
> > .... :) But it does not really tell me why "git-log" failed or what I
> could
> > do to resolve it.
> >
> > Any ideas about how I can further debug or resolve that issue?
> >
> > Sebastian
> > --
> > Sebastian Wagner
> > https://twitter.com/#!/dead_lock
> > http://www.webbase-design.de
> > http://www.wagner-sebastian.com
> > seba.wagner@gmail.com <javascript:;>
> >
>

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