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From "Anthony Whitford (JIRA)" <j...@codehaus.org>
Subject [jira] (MNG-5629) ClosedChannelException from DefaultUpdateCheckManager.read
Date Tue, 06 May 2014 03:08:10 GMT
Anthony Whitford created MNG-5629:
-------------------------------------

             Summary: ClosedChannelException from DefaultUpdateCheckManager.read
                 Key: MNG-5629
                 URL: https://jira.codehaus.org/browse/MNG-5629
             Project: Maven 2 & 3
          Issue Type: Bug
    Affects Versions: 3.2.1
         Environment: Windows 7, Java 7 updated 25
            Reporter: Anthony Whitford


I ran a build in debug mode ({{mvn -X}}) and noticed the following bug (repeatedly):
{noformat}
[DEBUG] Error releasing shared lock for resolution tracking file: C:\Users\awhitford\.m2\repository\org\apache\maven\plugins\maven-war-plugin\resolver-status.properties
java.nio.channels.ClosedChannelException
	at sun.nio.ch.FileLockImpl.release(FileLockImpl.java:58)
	at org.apache.maven.repository.legacy.DefaultUpdateCheckManager.read(DefaultUpdateCheckManager.java:396)
	at org.apache.maven.repository.legacy.DefaultUpdateCheckManager.readLastUpdated(DefaultUpdateCheckManager.java:323)
	at org.apache.maven.repository.legacy.DefaultUpdateCheckManager.readLastUpdated(DefaultUpdateCheckManager.java:159)
	at org.apache.maven.repository.legacy.DefaultUpdateCheckManager.isUpdateRequired(DefaultUpdateCheckManager.java:148)
	at org.apache.maven.artifact.repository.metadata.DefaultRepositoryMetadataManager.resolve(DefaultRepositoryMetadataManager.java:127)
	at org.apache.maven.project.artifact.MavenMetadataSource.retrieveAvailableVersions(MavenMetadataSource.java:435)
	at org.apache.maven.project.artifact.MavenMetadataSource.retrieveAvailableVersions(MavenMetadataSource.java:425)
	at org.codehaus.mojo.versions.api.DefaultVersionsHelper.lookupArtifactVersions(DefaultVersionsHelper.java:229)
	at org.codehaus.mojo.versions.api.DefaultVersionsHelper.lookupPluginUpdates(DefaultVersionsHelper.java:727)
	at org.codehaus.mojo.versions.api.DefaultVersionsHelper.lookupPluginsUpdates(DefaultVersionsHelper.java:706)
	at org.codehaus.mojo.versions.PluginUpdatesReport.doGenerateReport(PluginUpdatesReport.java:103)
	at org.codehaus.mojo.versions.AbstractVersionsReport.executeReport(AbstractVersionsReport.java:253)
	at org.apache.maven.reporting.AbstractMavenReport.generate(AbstractMavenReport.java:90)
	at org.apache.maven.plugins.site.ReportDocumentRenderer.renderDocument(ReportDocumentRenderer.java:228)
	at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.renderModule(DefaultSiteRenderer.java:319)
	at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.render(DefaultSiteRenderer.java:135)
	at org.apache.maven.plugins.site.SiteMojo.renderLocale(SiteMojo.java:175)
	at org.apache.maven.plugins.site.SiteMojo.execute(SiteMojo.java:138)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:133)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
	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:108)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:76)
	at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:116)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:361)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:155)
	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:584)
	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:213)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:157)
	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:606)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
{noformat}

I traced the bug to the {{DefaultUpdateCheckManager.read}} method.  [Line 396|http://maven.apache.org/ref/3.2.1/apidocs/src-html/org/apache/maven/repository/legacy/DefaultUpdateCheckManager.html#line.396]
is releasing a FileLock, but the {{FileInputStream}} has already been closed by [Line 381|http://maven.apache.org/ref/3.2.1/apidocs/src-html/org/apache/maven/repository/legacy/DefaultUpdateCheckManager.html#line.381].



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