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From "Mike Gilbode (JIRA)" <j...@codehaus.org>
Subject [jira] (MDEP-421) Unpack Incredibly Slow for
Date Sun, 30 Jun 2013 21:45:05 GMT
Mike Gilbode created MDEP-421:
---------------------------------

             Summary: Unpack Incredibly Slow for 
                 Key: MDEP-421
                 URL: https://jira.codehaus.org/browse/MDEP-421
             Project: Maven 2.x Dependency Plugin
          Issue Type: Bug
          Components: unpack-dependencies
    Affects Versions: 2.8
            Reporter: Mike Gilbode


I've got a zipfile that is 240MB and has ~84k entries.  I'm trying to use unpack-dependencies
and it is taking an inordinate amount of time such that it is basically unusable.  It seems
that it's eagerly trying to read through every zip file entry before actually unpacking. 
This takes roughly 15 minutes where using the maven antrun plugin / unzip task takes less
than a minute.

   java.lang.Thread.State: RUNNABLE
        at java.util.Hashtable.put(Hashtable.java:549)
        - locked <0x00000007e160ea18> (a java.util.Hashtable)
        at org.codehaus.plexus.archiver.zip.ZipFile.resolveLocalFileHeaderData(ZipFile.java:451)
        at org.codehaus.plexus.archiver.zip.ZipFile.<init>(ZipFile.java:153)
        at org.codehaus.plexus.archiver.zip.AbstractZipUnArchiver.execute(AbstractZipUnArchiver.java:138)
        at org.codehaus.plexus.archiver.AbstractUnArchiver.extract(AbstractUnArchiver.java:120)
        at org.apache.maven.plugin.dependency.AbstractDependencyMojo.unpack(AbstractDependencyMojo.java:315)
        at org.apache.maven.plugin.dependency.fromDependencies.UnpackDependenciesMojo.doExecute(UnpackDependenciesMojo.java:91)
        at org.apache.maven.plugin.dependency.AbstractDependencyMojo.execute(AbstractDependencyMojo.java:167)
        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)


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