Dawid Weiss created MASSEMBLY-742:
-------------------------------------
Summary: Unclosed ZipFile warnings when ZIP archives are included
Key: MASSEMBLY-742
URL: https://jira.codehaus.org/browse/MASSEMBLY-742
Project: Maven Assembly Plugin
Issue Type: Bug
Components: dependencySet
Affects Versions: 2.5.2
Reporter: Dawid Weiss
Priority: Minor
I get the following warnings at the end of Maven build:
{code}
Cleaning up unclosed ZipFile for archive C:\...foo-0.2.0-SNAPSHOT.zip
{code}
These warnings originate from assembly plugin, but in fact they're caused by
the fact that plexus resource abstraction opens up a ZipFile from
commons-compress, but never closes it. Commons-compress then force-closes all
such objects in finalize, emitting a warning.
I created a synthetic capture of the allocation stack in maven assembly, it's
here:
{code}
org.apache.commons.compress.archivers.zip.ZipFile.<init>(ZipFile.java:211)
org.apache.commons.compress.archivers.zip.ZipFile.<init>(ZipFile.java:193)
org.apache.commons.compress.archivers.zip.ZipFile.<init>(ZipFile.java:154)
org.codehaus.plexus.archiver.zip.PlexusIoZipFileResourceCollection.getEntries(PlexusIoZipFileResourceCollection.java:29)
org.codehaus.plexus.components.io.resources.AbstractPlexusIoArchiveResourceCollection.getResources(AbstractPlexusIoArchiveResourceCollection.java:69)
org.codehaus.plexus.components.io.resources.proxy.PlexusIoProxyResourceCollection.getResources(PlexusIoProxyResourceCollection.java:111)
org.codehaus.plexus.archiver.AbstractArchiver$1.hasNext(AbstractArchiver.java:493)
org.codehaus.plexus.archiver.dir.DirectoryArchiver.execute(DirectoryArchiver.java:71)
org.codehaus.plexus.archiver.AbstractArchiver.createArchive(AbstractArchiver.java:940)
org.apache.maven.plugin.assembly.archive.archiver.AssemblyProxyArchiver.createArchive(AssemblyProxyArchiver.java:541)
org.apache.maven.plugin.assembly.archive.DefaultAssemblyArchiver.createArchive(DefaultAssemblyArchiver.java:180)
org.apache.maven.plugin.assembly.mojos.AbstractAssemblyMojo.execute(AbstractAssemblyMojo.java:486)
org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:132)
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:120)
org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:347)
org.apache.maven.DefaultMaven.execute(DefaultMaven.java:154)
org.apache.maven.cli.MavenCli.execute(MavenCli.java:582)
org.apache.maven.cli.MavenCli.doMain(MavenCli.java:214)
org.apache.maven.cli.MavenCli.main(MavenCli.java:158)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:483)
org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
{code}
Hope this helps, somehow.
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