[jira] [Updated] (MJAVADOC-543) Archiving to jar is very slow

["Robert Scholte (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MJAVADOC-543?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Scholte updated MJAVADOC-543:
------------------------------------
    Fix Version/s: 3.0.2

> Archiving to jar is very slow
> -----------------------------
>
>                 Key: MJAVADOC-543
>                 URL: https://issues.apache.org/jira/browse/MJAVADOC-543
>             Project: Maven Javadoc Plugin
>          Issue Type: Bug
>    Affects Versions: 3.0.1
>         Environment: Redhat7
>            Reporter: Claes Nordmark
>            Assignee: Robert Scholte
>            Priority: Major
>             Fix For: 3.0.2
>
>
> Doing a stackdump while "maven-javadoc-plugin:3.0.1:jar (attach-javadoc)" shows thread spending a lot of time in UnixNativeDispatcher.getgrgid.
> This was not visible in java 8 and javadoc plugin version 2.4.
> Our previous build time has been increased from 5min to 3h 30min.
> Tested version Java 11 and 3.0.1 of maven-javadoc-plugin
> maven config:
>  
> {code:java}
> <plugin>
> <groupId>org.apache.maven.plugins</groupId>
> <artifactId>maven-javadoc-plugin</artifactId>
> <version>3.0.1</version>
> <executions>
>   <execution>
>     <id>attach-javadocs</id>
>     <goals>
>       <goal>jar</goal>
>     </goals>
>     <configuration>
>       <failOnError>false</failOnError>
>     </configuration>
>     </execution>
>   </executions>
> </plugin>{code}
>  
> {{java.lang.Thread.State: RUNNABLE}}
> {noformat}
>    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 <0x00000006a2fe0f40> (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:250)  
>    at org.codehaus.plexus.archiver.AbstractArchiver$1.hasNext(AbstractArchiver.java:506)  
>    at org.codehaus.plexus.archiver.zip.AbstractZipArchiver.createArchiveMain(AbstractZipArchiver.java:257)  
>    at org.codehaus.plexus.archiver.zip.AbstractZipArchiver.execute(AbstractZipArchiver.java:235)  
>    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.javadoc.JavadocJar.generateArchive(JavadocJar.java:300)  
>    at org.apache.maven.plugins.javadoc.JavadocJar.doExecute(JavadocJar.java:205)  
>    at org.apache.maven.plugins.javadoc.AbstractJavadocMojo.execute(AbstractJavadocMojo.java:1912)  
>    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)  
> {noformat}



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