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Posted to dev@felix.apache.org by "Jukka Zitting (JIRA)" <ji...@apache.org> on 2012/06/24 17:36:42 UTC

[jira] [Created] (FELIX-3571) "Comparison method violates general contract!" error in maven-scr-plugin

Jukka Zitting created FELIX-3571:
------------------------------------

             Summary: "Comparison method violates general contract!" error in maven-scr-plugin
                 Key: FELIX-3571
                 URL: https://issues.apache.org/jira/browse/FELIX-3571
             Project: Felix
          Issue Type: Bug
          Components: Maven SCR Plugin
    Affects Versions: maven-scr-plugin-1.7.4
         Environment: Apache Maven 3.0.4 (r1232337; 2012-01-17 09:44:56+0100)
Maven home: c:\Program Files\apache-maven-3.0.4
Java version: 1.7.0_04, vendor: Oracle Corporation
Java home: c:\Program Files\Java\jdk1.7.0_04\jre
Default locale: en_GB, platform encoding: Cp1252
OS name: "windows 7", version: "6.1", arch: "amd64", family: "windows"
            Reporter: Jukka Zitting


With the above environment and maven-scr-plugin version 1.7.4 the following command sequence fails:

$ svn co -r 1353284 http://svn.apache.org/repos/asf/jackrabbit/oak/trunk/oak-mk/
$ cd oak-mk
$ mvn install

The failure is triggered by some incorrect Comparator implementation in the SCR plugin. The failure stack trace is:

[ERROR] Failed to execute goal org.apache.felix:maven-scr-plugin:1.7.4:scr (generate-scr-scrdescriptor) on project oak-mk: Execution generate-scr-scrdescriptor of goal org.apache.felix:maven-scr-plugin:1.7.4:scr failed: Comparison method violates its general contract! -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.felix:maven-scr-plugin:1.7.4:scr (generate-scr-scrdescriptor) on project oak-mk: Execution generate-scr-scrdescriptor of goal org.apache.felix:maven-scr-plugin:1.7.4:scr failed: Comparison method violates its general contract!
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:225)
	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:84)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
	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:601)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
Caused by: org.apache.maven.plugin.PluginExecutionException: Execution generate-scr-scrdescriptor of goal org.apache.felix:maven-scr-plugin:1.7.4:scr failed: Comparison method violates its general contract!
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:110)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
	... 19 more
Caused by: java.lang.IllegalArgumentException: Comparison method violates its general contract!
	at java.util.TimSort.mergeLo(TimSort.java:747)
	at java.util.TimSort.mergeAt(TimSort.java:483)
	at java.util.TimSort.mergeCollapse(TimSort.java:410)
	at java.util.TimSort.sort(TimSort.java:214)
	at java.util.TimSort.sort(TimSort.java:173)
	at java.util.Arrays.sort(Arrays.java:659)
	at org.apache.felix.scrplugin.SCRDescriptorGenerator.execute(SCRDescriptorGenerator.java:235)
	at org.apache.felix.scrplugin.mojo.SCRDescriptorMojo.execute(SCRDescriptorMojo.java:192)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
	... 20 more

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[jira] [Resolved] (FELIX-3571) "Comparison method violates general contract!" error in maven-scr-plugin

Posted by "Carsten Ziegeler (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/FELIX-3571?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Carsten Ziegeler resolved FELIX-3571.
-------------------------------------

       Resolution: Fixed
    Fix Version/s: scr generator 1.2.0
                   scr ant task 1.2.0
                   maven-scr-plugin-1.8.0

The sorting has been completely removed in the latest version
                
> "Comparison method violates general contract!" error in maven-scr-plugin
> ------------------------------------------------------------------------
>
>                 Key: FELIX-3571
>                 URL: https://issues.apache.org/jira/browse/FELIX-3571
>             Project: Felix
>          Issue Type: Bug
>          Components: Maven SCR Plugin
>    Affects Versions: maven-scr-plugin-1.7.4
>         Environment: Apache Maven 3.0.4 (r1232337; 2012-01-17 09:44:56+0100)
> Maven home: c:\Program Files\apache-maven-3.0.4
> Java version: 1.7.0_04, vendor: Oracle Corporation
> Java home: c:\Program Files\Java\jdk1.7.0_04\jre
> Default locale: en_GB, platform encoding: Cp1252
> OS name: "windows 7", version: "6.1", arch: "amd64", family: "windows"
>            Reporter: Jukka Zitting
>            Assignee: Carsten Ziegeler
>             Fix For: maven-scr-plugin-1.8.0, scr ant task 1.2.0, scr generator 1.2.0
>
>
> With the above environment and maven-scr-plugin version 1.7.4 the following command sequence fails:
> $ svn co -r 1353284 http://svn.apache.org/repos/asf/jackrabbit/oak/trunk/oak-mk/
> $ cd oak-mk
> $ mvn install
> The failure is triggered by some incorrect Comparator implementation in the SCR plugin. The failure stack trace is:
> [ERROR] Failed to execute goal org.apache.felix:maven-scr-plugin:1.7.4:scr (generate-scr-scrdescriptor) on project oak-mk: Execution generate-scr-scrdescriptor of goal org.apache.felix:maven-scr-plugin:1.7.4:scr failed: Comparison method violates its general contract! -> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.felix:maven-scr-plugin:1.7.4:scr (generate-scr-scrdescriptor) on project oak-mk: Execution generate-scr-scrdescriptor of goal org.apache.felix:maven-scr-plugin:1.7.4:scr failed: Comparison method violates its general contract!
> 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:225)
> 	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:84)
> 	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
> 	at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
> 	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
> 	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
> 	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
> 	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
> 	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
> 	at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
> 	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:601)
> 	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
> 	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
> 	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
> 	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
> Caused by: org.apache.maven.plugin.PluginExecutionException: Execution generate-scr-scrdescriptor of goal org.apache.felix:maven-scr-plugin:1.7.4:scr failed: Comparison method violates its general contract!
> 	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:110)
> 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
> 	... 19 more
> Caused by: java.lang.IllegalArgumentException: Comparison method violates its general contract!
> 	at java.util.TimSort.mergeLo(TimSort.java:747)
> 	at java.util.TimSort.mergeAt(TimSort.java:483)
> 	at java.util.TimSort.mergeCollapse(TimSort.java:410)
> 	at java.util.TimSort.sort(TimSort.java:214)
> 	at java.util.TimSort.sort(TimSort.java:173)
> 	at java.util.Arrays.sort(Arrays.java:659)
> 	at org.apache.felix.scrplugin.SCRDescriptorGenerator.execute(SCRDescriptorGenerator.java:235)
> 	at org.apache.felix.scrplugin.mojo.SCRDescriptorMojo.execute(SCRDescriptorMojo.java:192)
> 	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
> 	... 20 more

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[jira] [Assigned] (FELIX-3571) "Comparison method violates general contract!" error in maven-scr-plugin

Posted by "Carsten Ziegeler (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/FELIX-3571?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Carsten Ziegeler reassigned FELIX-3571:
---------------------------------------

    Assignee: Carsten Ziegeler
    
> "Comparison method violates general contract!" error in maven-scr-plugin
> ------------------------------------------------------------------------
>
>                 Key: FELIX-3571
>                 URL: https://issues.apache.org/jira/browse/FELIX-3571
>             Project: Felix
>          Issue Type: Bug
>          Components: Maven SCR Plugin
>    Affects Versions: maven-scr-plugin-1.7.4
>         Environment: Apache Maven 3.0.4 (r1232337; 2012-01-17 09:44:56+0100)
> Maven home: c:\Program Files\apache-maven-3.0.4
> Java version: 1.7.0_04, vendor: Oracle Corporation
> Java home: c:\Program Files\Java\jdk1.7.0_04\jre
> Default locale: en_GB, platform encoding: Cp1252
> OS name: "windows 7", version: "6.1", arch: "amd64", family: "windows"
>            Reporter: Jukka Zitting
>            Assignee: Carsten Ziegeler
>             Fix For: maven-scr-plugin-1.8.0, scr ant task 1.2.0, scr generator 1.2.0
>
>
> With the above environment and maven-scr-plugin version 1.7.4 the following command sequence fails:
> $ svn co -r 1353284 http://svn.apache.org/repos/asf/jackrabbit/oak/trunk/oak-mk/
> $ cd oak-mk
> $ mvn install
> The failure is triggered by some incorrect Comparator implementation in the SCR plugin. The failure stack trace is:
> [ERROR] Failed to execute goal org.apache.felix:maven-scr-plugin:1.7.4:scr (generate-scr-scrdescriptor) on project oak-mk: Execution generate-scr-scrdescriptor of goal org.apache.felix:maven-scr-plugin:1.7.4:scr failed: Comparison method violates its general contract! -> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.felix:maven-scr-plugin:1.7.4:scr (generate-scr-scrdescriptor) on project oak-mk: Execution generate-scr-scrdescriptor of goal org.apache.felix:maven-scr-plugin:1.7.4:scr failed: Comparison method violates its general contract!
> 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:225)
> 	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:84)
> 	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
> 	at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
> 	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
> 	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
> 	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
> 	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
> 	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
> 	at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
> 	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:601)
> 	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
> 	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
> 	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
> 	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
> Caused by: org.apache.maven.plugin.PluginExecutionException: Execution generate-scr-scrdescriptor of goal org.apache.felix:maven-scr-plugin:1.7.4:scr failed: Comparison method violates its general contract!
> 	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:110)
> 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
> 	... 19 more
> Caused by: java.lang.IllegalArgumentException: Comparison method violates its general contract!
> 	at java.util.TimSort.mergeLo(TimSort.java:747)
> 	at java.util.TimSort.mergeAt(TimSort.java:483)
> 	at java.util.TimSort.mergeCollapse(TimSort.java:410)
> 	at java.util.TimSort.sort(TimSort.java:214)
> 	at java.util.TimSort.sort(TimSort.java:173)
> 	at java.util.Arrays.sort(Arrays.java:659)
> 	at org.apache.felix.scrplugin.SCRDescriptorGenerator.execute(SCRDescriptorGenerator.java:235)
> 	at org.apache.felix.scrplugin.mojo.SCRDescriptorMojo.execute(SCRDescriptorMojo.java:192)
> 	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
> 	... 20 more

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[jira] [Commented] (FELIX-3571) "Comparison method violates general contract!" error in maven-scr-plugin

Posted by "Jukka Zitting (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/FELIX-3571?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13403068#comment-13403068 ] 

Jukka Zitting commented on FELIX-3571:
--------------------------------------

Sweet, thanks! Any plans for a release date of maven-scr-plugin 1.8.0? I'm currently forced to downgrade my Windows environment from Java 7 to Java 6 to work around this problem.
                
> "Comparison method violates general contract!" error in maven-scr-plugin
> ------------------------------------------------------------------------
>
>                 Key: FELIX-3571
>                 URL: https://issues.apache.org/jira/browse/FELIX-3571
>             Project: Felix
>          Issue Type: Bug
>          Components: Maven SCR Plugin
>    Affects Versions: maven-scr-plugin-1.7.4
>         Environment: Apache Maven 3.0.4 (r1232337; 2012-01-17 09:44:56+0100)
> Maven home: c:\Program Files\apache-maven-3.0.4
> Java version: 1.7.0_04, vendor: Oracle Corporation
> Java home: c:\Program Files\Java\jdk1.7.0_04\jre
> Default locale: en_GB, platform encoding: Cp1252
> OS name: "windows 7", version: "6.1", arch: "amd64", family: "windows"
>            Reporter: Jukka Zitting
>            Assignee: Carsten Ziegeler
>             Fix For: maven-scr-plugin-1.8.0, scr ant task 1.2.0, scr generator 1.2.0
>
>
> With the above environment and maven-scr-plugin version 1.7.4 the following command sequence fails:
> $ svn co -r 1353284 http://svn.apache.org/repos/asf/jackrabbit/oak/trunk/oak-mk/
> $ cd oak-mk
> $ mvn install
> The failure is triggered by some incorrect Comparator implementation in the SCR plugin. The failure stack trace is:
> [ERROR] Failed to execute goal org.apache.felix:maven-scr-plugin:1.7.4:scr (generate-scr-scrdescriptor) on project oak-mk: Execution generate-scr-scrdescriptor of goal org.apache.felix:maven-scr-plugin:1.7.4:scr failed: Comparison method violates its general contract! -> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.felix:maven-scr-plugin:1.7.4:scr (generate-scr-scrdescriptor) on project oak-mk: Execution generate-scr-scrdescriptor of goal org.apache.felix:maven-scr-plugin:1.7.4:scr failed: Comparison method violates its general contract!
> 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:225)
> 	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:84)
> 	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
> 	at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
> 	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
> 	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
> 	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
> 	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
> 	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
> 	at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
> 	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:601)
> 	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
> 	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
> 	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
> 	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
> Caused by: org.apache.maven.plugin.PluginExecutionException: Execution generate-scr-scrdescriptor of goal org.apache.felix:maven-scr-plugin:1.7.4:scr failed: Comparison method violates its general contract!
> 	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:110)
> 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
> 	... 19 more
> Caused by: java.lang.IllegalArgumentException: Comparison method violates its general contract!
> 	at java.util.TimSort.mergeLo(TimSort.java:747)
> 	at java.util.TimSort.mergeAt(TimSort.java:483)
> 	at java.util.TimSort.mergeCollapse(TimSort.java:410)
> 	at java.util.TimSort.sort(TimSort.java:214)
> 	at java.util.TimSort.sort(TimSort.java:173)
> 	at java.util.Arrays.sort(Arrays.java:659)
> 	at org.apache.felix.scrplugin.SCRDescriptorGenerator.execute(SCRDescriptorGenerator.java:235)
> 	at org.apache.felix.scrplugin.mojo.SCRDescriptorMojo.execute(SCRDescriptorMojo.java:192)
> 	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
> 	... 20 more

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