[
https://jira.codehaus.org/browse/MDEP-230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=316942#comment-316942
]
Ivan commented on MDEP-230:
---------------------------
My guess is that the implementation of "chmod" is 'inefficient', it seems to
fallback to a Runtime.exec("chmod...") for each file.
(If not using a Java7 jvm)
Here is a jstack:
"main" prio=10 tid=0x000000004106b000 nid=0x342c in Object.wait()
[0x00000000408fd000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00002aab5b31c890> (a java.lang.UNIXProcess$Gate)
at java.lang.Object.wait(Object.java:485)
at java.lang.UNIXProcess$Gate.waitForExit(UNIXProcess.java:64)
- locked <0x00002aab5b31c890> (a java.lang.UNIXProcess$Gate)
at java.lang.UNIXProcess.<init>(UNIXProcess.java:145)
at java.lang.ProcessImpl.start(ProcessImpl.java:65)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:453)
at java.lang.Runtime.exec(Runtime.java:593)
at
org.codehaus.plexus.util.cli.Commandline.execute(Commandline.java:651)
at
org.codehaus.plexus.util.cli.CommandLineUtils.executeCommandLineAsCallable(CommandLineUtils.java:140)
at
org.codehaus.plexus.util.cli.CommandLineUtils.executeCommandLine(CommandLineUtils.java:111)
at
org.codehaus.plexus.util.cli.CommandLineUtils.executeCommandLine(CommandLineUtils.java:79)
at
org.codehaus.plexus.archiver.util.ArchiveEntryUtils.chmod(ArchiveEntryUtils.java:92)
at
org.codehaus.plexus.archiver.zip.AbstractZipUnArchiver.extractFile(AbstractZipUnArchiver.java:238)
at
org.codehaus.plexus.archiver.zip.AbstractZipUnArchiver.extractFileIfIncluded(AbstractZipUnArchiver.java:185)
at
org.codehaus.plexus.archiver.zip.AbstractZipUnArchiver.execute(AbstractZipUnArchiver.java:149)
at
org.codehaus.plexus.archiver.AbstractUnArchiver.extract(AbstractUnArchiver.java:119)
at
org.apache.maven.plugin.dependency.AbstractDependencyMojo.unpack(AbstractDependencyMojo.java:266)
at
org.apache.maven.plugin.dependency.UnpackDependenciesMojo.execute(UnpackDependenciesMojo.java:91)
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:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
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)
> Performance is really bad for large artifacts
> ---------------------------------------------
>
> Key: MDEP-230
> URL: https://jira.codehaus.org/browse/MDEP-230
> Project: Maven 2.x Dependency Plugin
> Issue Type: Improvement
> Components: unpack
> Affects Versions: 2.1
> Environment: linux
> Reporter: Jason Chaffee
>
> I have a 300mb tar.gz file that I need to unpack for one of my builds. I
> takes over 10 minutes to unpack with the unpack goal. If I do it on the
> cmd-line it takes less than 1 minute.
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