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[m2e-users] java.util.ConcurrentModificationException while trying to run m2e-core/m2e-maven-runtime$ mvn install
|
Hi,
I'm trying to follow the build instructions from:
https://github.com/eclipse-m2e/m2e-core/blob/master/CONTRIBUTING.md
But the following command fails with the exception below.
~/git/m2e-core/m2e-maven-runtime$ mvn install
Is this a temporary hiccup or are the instructions not up to date?
Best regards, Lars
[INFO]
[INFO] --- maven-bundle-plugin:4.2.1:bundle (default-bundle) @
org.eclipse.m2e.archetype.common ---
[ERROR] An internal error occurred
java.util.ConcurrentModificationException
at java.util.TreeMap.callMappingFunctionWithCheck (TreeMap.java:742)
at java.util.TreeMap.computeIfAbsent (TreeMap.java:558)
at aQute.bnd.osgi.Jar.putResource (Jar.java:288)
at aQute.bnd.osgi.Jar$1.visitFile (Jar.java:202)
at aQute.bnd.osgi.Jar$1.visitFile (Jar.java:177)
at java.nio.file.Files.walkFileTree (Files.java:2804)
at aQute.bnd.osgi.Jar.buildFromDirectory (Jar.java:176)
at aQute.bnd.osgi.Jar.<init> (Jar.java:119)
at aQute.bnd.osgi.Jar.<init> (Jar.java:172)
at org.apache.felix.bundleplugin.BundlePlugin.getOSGiBuilder
(BundlePlugin.java:604)
at org.apache.felix.bundleplugin.BundlePlugin.buildOSGiBundle
(BundlePlugin.java:936)
at org.apache.felix.bundleplugin.BundlePlugin.execute
(BundlePlugin.java:443)
at org.apache.felix.bundleplugin.BundlePlugin.execute
(BundlePlugin.java:364)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
(DefaultBuildPluginManager.java:137)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:210)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:156)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:148)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:117)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:81)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
(SingleThreadedBuilder.java:56)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute
(LifecycleStarter.java:128)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:64)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:564)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced
(Launcher.java:282)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch
(Launcher.java:225)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode
(Launcher.java:406)
at org.codehaus.plexus.classworlds.launcher.Launcher.main
(Launcher.java:347)
Best regards, Lars
--
Eclipse Platform project co-lead
CEO vogella GmbH
Haindaalwisch 17a, 22395 Hamburg
Amtsgericht Hamburg: HRB 127058
Geschäftsführer: Lars Vogel, Jennifer Nerlich de Vogel
USt-IdNr.: DE284122352
Fax (040) 5247 6322, Email: lars.vogel@xxxxxxxxxxx, Web: http://www.vogella.com