title: org.tmatesoft.svn.core.SVNException:
body: <p>I download trunk openam through svn(<a href="https://svn.forgerock.org/openam/trunk/openam/" rel="nofollow">https://svn.forgerock.org/openam/trunk/openam/</a>), and import it in  eclipse. When I maven install it,I get Exception as follows:
  [ERROR] 
  org.tmatesoft.svn.core.SVNException: svn: The path 'F:\svn_openam' appears to be part of a Subversion 1.7 or greater
  working copy.  Please upgrade your Subversion client to use this
  working copy.
      at org.tmatesoft.svn.core.internal.wc.SVNErrorManager.error(SVNErrorManager.java:64)
      at org.tmatesoft.svn.core.internal.wc.admin.SVNAdminAreaFactory.open(SVNAdminAreaFactory.java:197)
      at org.tmatesoft.svn.core.internal.wc.admin.SVNWCAccess.doOpen(SVNWCAccess.java:366)
      at org.tmatesoft.svn.core.internal.wc.admin.SVNWCAccess.open(SVNWCAccess.java:274)
      at org.tmatesoft.svn.core.internal.wc.admin.SVNWCAccess.open(SVNWCAccess.java:267)
      at org.tmatesoft.svn.core.internal.wc.admin.SVNWCAccess.open(SVNWCAccess.java:263)
      at org.tmatesoft.svn.core.wc.SVNStatusClient.doStatus(SVNStatusClient.java:317)
      at org.tmatesoft.svn.core.wc.SVNStatusClient.doStatus(SVNStatusClient.java:476)
      at org.tmatesoft.svn.core.wc.SVNStatusClient.doStatus(SVNStatusClient.java:441)
      at oe.maven.plugins.revision.RevisionMojo.getEntryProperties(RevisionMojo.java:152)
      at oe.maven.plugins.revision.RevisionMojo.execute(RevisionMojo.java:144)
      at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
      at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
      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)</p>
  
  <p>At First I think it could be svn problem, so i drop svn software. After that I find problem remains, I wonder how to solve it?</p>