[jira] [Assigned] (MJAR-259) Archiving to jar is very slow

["Karl Heinz Marbaise (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MJAR-259?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karl Heinz Marbaise reassigned MJAR-259:
----------------------------------------

    Assignee: Karl Heinz Marbaise

> Archiving to jar is very slow
> -----------------------------
>
>                 Key: MJAR-259
>                 URL: https://issues.apache.org/jira/browse/MJAR-259
>             Project: Maven JAR Plugin
>          Issue Type: Bug
>    Affects Versions: 3.1.0
>         Environment: Redhat7
>            Reporter: Claes Nordmark
>            Assignee: Karl Heinz Marbaise
>            Priority: Major
>             Fix For: 3.1.2
>
>
> Doing a stackdump while "maven-jar-plugin:3.1.0:jar (default-jar)" shows thread spending a lot of time in UnixNativeDispatcher.getgrgid.
> This was not visible in java 8 and jar plugin version 2.6.
> Our previous build time has been increased from 5min to 3h 30min.
> Tested version Java 11 and 3.1.0 of maven-jar-plugin
>  
> {code:java}
> <plugin>
> <groupId>org.apache.maven.plugins</groupId>
> <artifactId>maven-jar-plugin</artifactId>
> <version>${maven.jar.plugin.version}</version>
> <configuration>
>  <forceCreation>true</forceCreation>
>  <archive>
>   <index>true</index>
>   <manifest>
>     <addClasspath>true</addClasspath>
>   </manifest>
>  </archive>
> </configuration>
> </plugin>
>  
> {code}
>  
> {code:java}
> java.lang.Thread.State: RUNNABLE
>  at sun.nio.fs.UnixNativeDispatcher.getgrgid(java.base@11/Native Method)
>  at sun.nio.fs.UnixUserPrincipals.fromGid(java.base@11/UnixUserPrincipals.java:129)
>  at sun.nio.fs.UnixFileAttributes.group(java.base@11/UnixFileAttributes.java:208)
>  - locked <0x000000067c2b31f0> (a sun.nio.fs.UnixFileAttributes)
>  at sun.nio.fs.UnixFileAttributeViews$Posix.addRequestedPosixAttributes(java.base@11/UnixFileAttributeViews.java:214)
>  at sun.nio.fs.UnixFileAttributeViews$Unix.readAttributes(java.base@11/UnixFileAttributeViews.java:362)
>  at sun.nio.fs.AbstractFileSystemProvider.readAttributes(java.base@11/AbstractFileSystemProvider.java:94)
>  at java.nio.file.Files.readAttributes(java.base@11/Files.java:1996)
>  at org.codehaus.plexus.components.io.attributes.FileAttributes.<init>(FileAttributes.java:67)
>  at org.codehaus.plexus.components.io.resources.PlexusIoFileResourceCollection.addResources(PlexusIoFileResourceCollection.java:156)
>  at org.codehaus.plexus.components.io.resources.PlexusIoFileResourceCollection.getResources(PlexusIoFileResourceCollection.java:254)
>  at org.codehaus.plexus.archiver.AbstractArchiver$1.hasNext(AbstractArchiver.java:506)
>  at org.codehaus.plexus.archiver.zip.AbstractZipArchiver.createArchiveMain(AbstractZipArchiver.java:256)
>  at org.codehaus.plexus.archiver.zip.AbstractZipArchiver.execute(AbstractZipArchiver.java:234)
>  at org.codehaus.plexus.archiver.AbstractArchiver.createArchive(AbstractArchiver.java:987)
>  at org.apache.maven.archiver.MavenArchiver.createArchive(MavenArchiver.java:649)
>  at org.apache.maven.plugins.jar.AbstractJarMojo.createArchive(AbstractJarMojo.java:224)
>  at org.apache.maven.plugins.jar.AbstractJarMojo.execute(AbstractJarMojo.java:255)
>  at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:137)
>  at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
>  at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:154)
>  at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:146)
>  at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
>  at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:200)
>  at org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:196)
>  at java.util.concurrent.FutureTask.run(java.base@11/FutureTask.java:264)
>  at java.util.concurrent.Executors$RunnableAdapter.call(java.base@11/Executors.java:515)
>  at java.util.concurrent.FutureTask.run(java.base@11/FutureTask.java:264)
>  at java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11/ThreadPoolExecutor.java:1128)
>  at java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11/ThreadPoolExecutor.java:628)
>  at java.lang.Thread.run(java.base@11/Thread.java:834){code}



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