title: MojoExecutionException when building Geoserver with maven
body: <p>I am trying to build GeoServer from source code. I got the following error when attempting to run a maven command from 'geoserver/src'.</p>
  
  <pre><code>[ERROR] Failed to execute goal pl.project13.maven:git-commit-id-plugin:2.1.15:revision (default) on project geoserver: Could not complete Mojo execution... Unable to find commits until some tag: Walk failure. Missing commit b3af7f46250c529c51402d2eb948987385690d3d -&gt; [Help 1]
  </code></pre>
  
  <p>I tried to solve it with setting a proxy but failed. Anyone can help me out?Thanks in advance. </p>
  
  <p>PS: here's the full stack trace of errors when I run <code>mvn -X clean install</code></p>
  
  <pre><code>    [ERROR] Failed to execute goal pl.project13.maven:git-commit-id-plugin:2.1.15:revision (default) on project geoserver: Could not complete Mojo execution... Unable to find commits until some tag: Walk failure. Missing commit b3af7f46250c529c51402d2eb948987385690d3d -&gt; [Help 1]
  org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal pl.project13.maven:git-commit-id-plugin:2.1.15:revision (default) on project geoserver: Could not complete Mojo execution...
      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:57)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:606)
      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: org.apache.maven.plugin.MojoExecutionException: Could not complete Mojo execution...
      at pl.project13.maven.git.GitCommitIdMojo.handlePluginFailure(GitCommitIdMojo.java:457)
      at pl.project13.maven.git.GitCommitIdMojo.execute(GitCommitIdMojo.java:393)
      at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
      at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207)
      ... 20 more
  Caused by: java.lang.RuntimeException: Unable to find commits until some tag
      at pl.project13.jgit.JGitCommon.findCommitsUntilSomeTag(JGitCommon.java:286)
      at pl.project13.jgit.DescribeCommand.call(DescribeCommand.java:298)
      at pl.project13.maven.git.JGitProvider.getGitDescribe(JGitProvider.java:234)
      at pl.project13.maven.git.JGitProvider.getGitDescribe(JGitProvider.java:125)
      at pl.project13.maven.git.GitDataProvider.maybePutGitDescribe(GitDataProvider.java:139)
      at pl.project13.maven.git.GitDataProvider.loadGitData(GitDataProvider.java:104)
      at pl.project13.maven.git.GitCommitIdMojo.loadGitDataWithJGit(GitCommitIdMojo.java:585)
      at pl.project13.maven.git.GitCommitIdMojo.loadGitData(GitCommitIdMojo.java:558)
      at pl.project13.maven.git.GitCommitIdMojo.execute(GitCommitIdMojo.java:376)
      ... 22 more
  Caused by: org.eclipse.jgit.errors.RevWalkException: Walk failure.
      at org.eclipse.jgit.revwalk.RevWalk.iterator(RevWalk.java:1306)
      at pl.project13.jgit.JGitCommon.findCommitsUntilSomeTag(JGitCommon.java:274)
      ... 30 more
  Caused by: org.eclipse.jgit.errors.MissingObjectException: Missing commit b3af7f46250c529c51402d2eb948987385690d3d
      at org.eclipse.jgit.internal.storage.file.WindowCursor.open(WindowCursor.java:149)
      at org.eclipse.jgit.revwalk.RevWalk.getCachedBytes(RevWalk.java:884)
      at org.eclipse.jgit.revwalk.RevCommit.parseHeaders(RevCommit.java:145)
      at org.eclipse.jgit.revwalk.PendingGenerator.next(PendingGenerator.java:148)
      at org.eclipse.jgit.revwalk.StartGenerator.next(StartGenerator.java:186)
      at org.eclipse.jgit.revwalk.RevWalk.next(RevWalk.java:422)
      at org.eclipse.jgit.revwalk.RevWalk.iterator(RevWalk.java:1304)
      ... 31 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
  </code></pre>