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Posted to dev@maven.apache.org by "Mark Hobson (JIRA)" <ji...@codehaus.org> on 2005/10/28 12:17:11 UTC

[jira] Created: (MNG-1354) NPE when plugins throw certain exceptions

NPE when plugins throw certain exceptions
-----------------------------------------

         Key: MNG-1354
         URL: http://jira.codehaus.org/browse/MNG-1354
     Project: Maven 2
        Type: Bug
  Components: maven-core  
    Versions: 2.0    
 Reporter: Mark Hobson


Regularly see this, although it's entirely obvious why looking at the source:

java.lang.NullPointerException
        at org.apache.maven.usability.diagnostics.DiagnosisUtils.appendRootCauseIfPresentAndUnique(DiagnosisUtils.java:89)
        at org.apache.maven.usability.diagnostics.ErrorDiagnostics$PuntErrorDiagnoser.diagnose(ErrorDiagnostics.java:132)
        at org.apache.maven.usability.diagnostics.ErrorDiagnostics.diagnose(ErrorDiagnostics.java:104)
        at org.apache.maven.DefaultMaven.logDiagnostics(DefaultMaven.java:693)
        at org.apache.maven.DefaultMaven.logFatal(DefaultMaven.java:627)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:143)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:249)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
        at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
        at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
        at org.codehaus.classworlds.Launcher.main(Launcher.java:375)

Can spend time creating a testcase if it's not immediately obvious.

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[jira] Commented: (MNG-1354) NPE when plugins throw certain exceptions

Posted by "Mark Hobson (JIRA)" <ji...@codehaus.org>.
    [ http://jira.codehaus.org/browse/MNG-1354?page=comments#action_50023 ] 

Mark Hobson commented on MNG-1354:
----------------------------------

Agreed, but decompiling the 2.0 distributable shows that the patch hasn't been applied.  I was just unsure why there's a discrepancy between the 2.0 tag and the 2.0 distributable.

> NPE when plugins throw certain exceptions
> -----------------------------------------
>
>          Key: MNG-1354
>          URL: http://jira.codehaus.org/browse/MNG-1354
>      Project: Maven 2
>         Type: Bug
>   Components: maven-core
>     Versions: 2.0
>     Reporter: Mark Hobson
>     Assignee: Brett Porter

>
>
> Regularly see this, although it's entirely obvious why looking at the source:
> java.lang.NullPointerException
>         at org.apache.maven.usability.diagnostics.DiagnosisUtils.appendRootCauseIfPresentAndUnique(DiagnosisUtils.java:89)
>         at org.apache.maven.usability.diagnostics.ErrorDiagnostics$PuntErrorDiagnoser.diagnose(ErrorDiagnostics.java:132)
>         at org.apache.maven.usability.diagnostics.ErrorDiagnostics.diagnose(ErrorDiagnostics.java:104)
>         at org.apache.maven.DefaultMaven.logDiagnostics(DefaultMaven.java:693)
>         at org.apache.maven.DefaultMaven.logFatal(DefaultMaven.java:627)
>         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:143)
>         at org.apache.maven.cli.MavenCli.main(MavenCli.java:249)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:585)
>         at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
>         at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>         at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
>         at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
> Can spend time creating a testcase if it's not immediately obvious.

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[jira] Commented: (MNG-1354) NPE when plugins throw certain exceptions

Posted by "Mark Hobson (JIRA)" <ji...@codehaus.org>.
    [ http://jira.codehaus.org/browse/MNG-1354?page=comments#action_49486 ] 

Mark Hobson commented on MNG-1354:
----------------------------------

s/it's entirely obvious/it's not entirely obvious

:)

> NPE when plugins throw certain exceptions
> -----------------------------------------
>
>          Key: MNG-1354
>          URL: http://jira.codehaus.org/browse/MNG-1354
>      Project: Maven 2
>         Type: Bug
>   Components: maven-core
>     Versions: 2.0
>     Reporter: Mark Hobson

>
>
> Regularly see this, although it's entirely obvious why looking at the source:
> java.lang.NullPointerException
>         at org.apache.maven.usability.diagnostics.DiagnosisUtils.appendRootCauseIfPresentAndUnique(DiagnosisUtils.java:89)
>         at org.apache.maven.usability.diagnostics.ErrorDiagnostics$PuntErrorDiagnoser.diagnose(ErrorDiagnostics.java:132)
>         at org.apache.maven.usability.diagnostics.ErrorDiagnostics.diagnose(ErrorDiagnostics.java:104)
>         at org.apache.maven.DefaultMaven.logDiagnostics(DefaultMaven.java:693)
>         at org.apache.maven.DefaultMaven.logFatal(DefaultMaven.java:627)
>         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:143)
>         at org.apache.maven.cli.MavenCli.main(MavenCli.java:249)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:585)
>         at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
>         at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>         at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
>         at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
> Can spend time creating a testcase if it's not immediately obvious.

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[jira] Closed: (MNG-1354) NPE when plugins throw certain exceptions

Posted by "fabrizio giustina (JIRA)" <ji...@codehaus.org>.
     [ http://jira.codehaus.org/browse/MNG-1354?page=all ]
     
fabrizio giustina closed MNG-1354:
----------------------------------

     Resolution: Duplicate
    Fix Version: 2.0.1

duplicated of MNG-1220

> NPE when plugins throw certain exceptions
> -----------------------------------------
>
>          Key: MNG-1354
>          URL: http://jira.codehaus.org/browse/MNG-1354
>      Project: Maven 2
>         Type: Bug
>   Components: maven-core
>     Versions: 2.0
>     Reporter: Mark Hobson
>      Fix For: 2.0.1

>
>
> Regularly see this, although it's entirely obvious why looking at the source:
> java.lang.NullPointerException
>         at org.apache.maven.usability.diagnostics.DiagnosisUtils.appendRootCauseIfPresentAndUnique(DiagnosisUtils.java:89)
>         at org.apache.maven.usability.diagnostics.ErrorDiagnostics$PuntErrorDiagnoser.diagnose(ErrorDiagnostics.java:132)
>         at org.apache.maven.usability.diagnostics.ErrorDiagnostics.diagnose(ErrorDiagnostics.java:104)
>         at org.apache.maven.DefaultMaven.logDiagnostics(DefaultMaven.java:693)
>         at org.apache.maven.DefaultMaven.logFatal(DefaultMaven.java:627)
>         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:143)
>         at org.apache.maven.cli.MavenCli.main(MavenCli.java:249)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:585)
>         at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
>         at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>         at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
>         at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
> Can spend time creating a testcase if it's not immediately obvious.

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[jira] Reopened: (MNG-1354) NPE when plugins throw certain exceptions

Posted by "Brett Porter (JIRA)" <ji...@codehaus.org>.
     [ http://jira.codehaus.org/browse/MNG-1354?page=all ]
     
Brett Porter reopened MNG-1354:
-------------------------------


> NPE when plugins throw certain exceptions
> -----------------------------------------
>
>          Key: MNG-1354
>          URL: http://jira.codehaus.org/browse/MNG-1354
>      Project: Maven 2
>         Type: Bug
>   Components: maven-core
>     Versions: 2.0
>     Reporter: Mark Hobson
>      Fix For: 2.0.1

>
>
> Regularly see this, although it's entirely obvious why looking at the source:
> java.lang.NullPointerException
>         at org.apache.maven.usability.diagnostics.DiagnosisUtils.appendRootCauseIfPresentAndUnique(DiagnosisUtils.java:89)
>         at org.apache.maven.usability.diagnostics.ErrorDiagnostics$PuntErrorDiagnoser.diagnose(ErrorDiagnostics.java:132)
>         at org.apache.maven.usability.diagnostics.ErrorDiagnostics.diagnose(ErrorDiagnostics.java:104)
>         at org.apache.maven.DefaultMaven.logDiagnostics(DefaultMaven.java:693)
>         at org.apache.maven.DefaultMaven.logFatal(DefaultMaven.java:627)
>         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:143)
>         at org.apache.maven.cli.MavenCli.main(MavenCli.java:249)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:585)
>         at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
>         at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>         at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
>         at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
> Can spend time creating a testcase if it's not immediately obvious.

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[jira] Commented: (MNG-1354) NPE when plugins throw certain exceptions

Posted by "Mark Hobson (JIRA)" <ji...@codehaus.org>.
    [ http://jira.codehaus.org/browse/MNG-1354?page=comments#action_49491 ] 

Mark Hobson commented on MNG-1354:
----------------------------------

Thanks - looks like my jira search was inadvertantly filtered.  Also a bit misleading since MNG-1220 is fixed against 2.0 and the 2.0 tag shows the patch already applied, but maven-error-diagnostics-2.0.jar hasn't been patched.

> NPE when plugins throw certain exceptions
> -----------------------------------------
>
>          Key: MNG-1354
>          URL: http://jira.codehaus.org/browse/MNG-1354
>      Project: Maven 2
>         Type: Bug
>   Components: maven-core
>     Versions: 2.0
>     Reporter: Mark Hobson
>      Fix For: 2.0.1

>
>
> Regularly see this, although it's entirely obvious why looking at the source:
> java.lang.NullPointerException
>         at org.apache.maven.usability.diagnostics.DiagnosisUtils.appendRootCauseIfPresentAndUnique(DiagnosisUtils.java:89)
>         at org.apache.maven.usability.diagnostics.ErrorDiagnostics$PuntErrorDiagnoser.diagnose(ErrorDiagnostics.java:132)
>         at org.apache.maven.usability.diagnostics.ErrorDiagnostics.diagnose(ErrorDiagnostics.java:104)
>         at org.apache.maven.DefaultMaven.logDiagnostics(DefaultMaven.java:693)
>         at org.apache.maven.DefaultMaven.logFatal(DefaultMaven.java:627)
>         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:143)
>         at org.apache.maven.cli.MavenCli.main(MavenCli.java:249)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:585)
>         at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
>         at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>         at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
>         at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
> Can spend time creating a testcase if it's not immediately obvious.

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[jira] Commented: (MNG-1354) NPE when plugins throw certain exceptions

Posted by "Brett Porter (JIRA)" <ji...@codehaus.org>.
    [ http://jira.codehaus.org/browse/MNG-1354?page=comments#action_50137 ] 

Brett Porter commented on MNG-1354:
-----------------------------------

ok, it seems I made a mistake on this particular one, not updating the version to 2.0-1.

I'll remark it as fixed in 2.0.1.

> NPE when plugins throw certain exceptions
> -----------------------------------------
>
>          Key: MNG-1354
>          URL: http://jira.codehaus.org/browse/MNG-1354
>      Project: Maven 2
>         Type: Bug
>   Components: maven-core
>     Versions: 2.0
>     Reporter: Mark Hobson
>     Assignee: Brett Porter

>
>
> Regularly see this, although it's entirely obvious why looking at the source:
> java.lang.NullPointerException
>         at org.apache.maven.usability.diagnostics.DiagnosisUtils.appendRootCauseIfPresentAndUnique(DiagnosisUtils.java:89)
>         at org.apache.maven.usability.diagnostics.ErrorDiagnostics$PuntErrorDiagnoser.diagnose(ErrorDiagnostics.java:132)
>         at org.apache.maven.usability.diagnostics.ErrorDiagnostics.diagnose(ErrorDiagnostics.java:104)
>         at org.apache.maven.DefaultMaven.logDiagnostics(DefaultMaven.java:693)
>         at org.apache.maven.DefaultMaven.logFatal(DefaultMaven.java:627)
>         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:143)
>         at org.apache.maven.cli.MavenCli.main(MavenCli.java:249)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:585)
>         at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
>         at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>         at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
>         at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
> Can spend time creating a testcase if it's not immediately obvious.

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[jira] Closed: (MNG-1354) NPE when plugins throw certain exceptions

Posted by "Brett Porter (JIRA)" <ji...@codehaus.org>.
     [ http://jira.codehaus.org/browse/MNG-1354?page=all ]
     
Brett Porter closed MNG-1354:
-----------------------------

      Assign To: Brett Porter
     Resolution: Duplicate
    Fix Version:     (was: 2.0.1)

it was on the tag:
http://svn.apache.org/viewcvs.cgi/maven/components/tags/maven-2.0/maven-error-diagnostics/src/main/java/org/apache/maven/usability/diagnostics/DiagnosisUtils.java?rev=326250&view=log

> NPE when plugins throw certain exceptions
> -----------------------------------------
>
>          Key: MNG-1354
>          URL: http://jira.codehaus.org/browse/MNG-1354
>      Project: Maven 2
>         Type: Bug
>   Components: maven-core
>     Versions: 2.0
>     Reporter: Mark Hobson
>     Assignee: Brett Porter

>
>
> Regularly see this, although it's entirely obvious why looking at the source:
> java.lang.NullPointerException
>         at org.apache.maven.usability.diagnostics.DiagnosisUtils.appendRootCauseIfPresentAndUnique(DiagnosisUtils.java:89)
>         at org.apache.maven.usability.diagnostics.ErrorDiagnostics$PuntErrorDiagnoser.diagnose(ErrorDiagnostics.java:132)
>         at org.apache.maven.usability.diagnostics.ErrorDiagnostics.diagnose(ErrorDiagnostics.java:104)
>         at org.apache.maven.DefaultMaven.logDiagnostics(DefaultMaven.java:693)
>         at org.apache.maven.DefaultMaven.logFatal(DefaultMaven.java:627)
>         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:143)
>         at org.apache.maven.cli.MavenCli.main(MavenCli.java:249)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:585)
>         at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
>         at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>         at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
>         at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
> Can spend time creating a testcase if it's not immediately obvious.

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