Re: Weird Error -CHILDREN_COMBINATION_MODE_ATTRIBUTE

Wed, 30 Sep 2009 17:48:41 -0700

Sounds strange indeed. Unfortunately, there's not much that can be done to help without a sample project to try it on. 

- Brett

On 30/09/2009, at 11:54 PM, Jan wrote:


I'm using maven 2.2.1
Problem is i don't fix any thing, i just keep running the same pom for few 
times, then this error message goes away.
On Tue, Sep 29, 2009 at 11:26 PM, Brett Porter <[email protected]> wrote:
Do you have a sample POM that illustrates it? I'm guessing a configuration 
element with an attribute?

What version of Maven?


On 30/09/2009, at 11:16 AM, Jan wrote:

Hi All,
I'm getting this weird error at some time, even without changing anything 
this error goes off after some time,

Any one has any idea on this?


[INFO]
------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO]
------------------------------------------------------------------------
[INFO] Error building POM (may not be this project's POM).


Project ID: ProjectA.Admin:Web
POM Location: C:\srcviews\RG_Myview\WEB\pom.xml
Reason: Failed to interpolate field: public static final java.lang.String
org.codehaus.plexus.util.xml.Xpp3Dom.CHILDREN_COMBINATION_MODE_ATTRIBUTE on 
class: org.codehaus.plexus.util.xml
.Xpp3Dom for project ProjectA.Admin:Web at
C:\srcviews\RG_Myview\WEB\pom.xml


[INFO]
------------------------------------------------------------------------
[INFO] Trace
org.apache.maven.reactor.MavenExecutionException: Failed to interpolate 
field: public static final java.lang.String
org.codehaus.plexus.util.xml.Xpp3Dom.CHILDREN_COMBINATION_MODE_ATTRIB
UTE on class: org.codehaus.plexus.util.xml.Xpp3Dom for project
ProjectA.Admin:Web at C:\srcviews\RG_Myview\WEB\pom.xml
at org.apache.maven.DefaultMaven.getProjects (DefaultMaven.java:404) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java: 272) 
     at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
     at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
     at
org.apache.maven.cli.compat.CompatibleMain.main (CompatibleMain.java:60) 
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at
sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:64) 
     at
sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43) 
     at java.lang.reflect.Method.invoke(Method.java:615)
     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)
Caused by: org.apache.maven.project.InvalidProjectModelException: Failed 
to
interpolate field: public static final java.lang.String
org.codehaus.plexus.util.xml.Xpp3Dom.CHILDREN_COMBINA
TION_MODE_ATTRIBUTE on class: org.codehaus.plexus.util.xml.Xpp3Dom for 
project ProjectA.Admin:Web at C:\srcviews\RG_Myview\WEB\pom.xml
     at
org.apache.maven.project.DefaultMavenProjectBuilder.buildInternal (DefaultMavenProjectBuilder.java:884) 
     at
org.apache.maven.project.DefaultMavenProjectBuilder.buildFromSourceFileInternal (DefaultMavenProjectBuilder.java:508) 
     at
org.apache.maven.project.DefaultMavenProjectBuilder.build (DefaultMavenProjectBuilder.java:200) at org.apache.maven.DefaultMaven.getProject(DefaultMaven.java: 604) 
     at
org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:487)
     at
org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:560)
at org.apache.maven.DefaultMaven.getProjects (DefaultMaven.java:391) 
     ... 12 more
Caused by:
org.apache.maven.project.interpolation.ModelInterpolationException : Failed 
to interpolate field: public static final java.lang.String
org.codehaus.plexus.util.xml.Xpp3Dom.CHI
LDREN_COMBINATION_MODE_ATTRIBUTE on class:
org.codehaus.plexus.util.xml.Xpp3Dom
     at
org.apache.maven.project.interpolation.StringSearchModelInterpolator $InterpolateObjectAction.traverseObjectWithParents (StringSearchModelInterpolator.java:318) 
     at
org.apache.maven.project.interpolation.StringSearchModelInterpolator $InterpolateObjectAction.run(StringSearchModelInterpolator.java:135) 
     at
org.apache.maven.project.interpolation.StringSearchModelInterpolator $InterpolateObjectAction.run(StringSearchModelInterpolator.java:102) 
     at
java.security.AccessController.doPrivileged(AccessController.java: 192) 
     at
org.apache.maven.project.interpolation.StringSearchModelInterpolator.interpolateObject (StringSearchModelInterpolator.java:80) 
     at
org.apache.maven.project.interpolation.StringSearchModelInterpolator.interpolate (StringSearchModelInterpolator.java:62) 
     at
org.apache.maven.project.DefaultMavenProjectBuilder.processProjectLogic (DefaultMavenProjectBuilder.java:990) 
     at
org.apache.maven.project.DefaultMavenProjectBuilder.buildInternal (DefaultMavenProjectBuilder.java:880) 
     ... 18 more
Caused by: java.lang.IllegalAccessException: Field is final
     at
sun.reflect.UnsafeQualifiedStaticObjectFieldAccessorImpl.set (UnsafeQualifiedStaticObjectFieldAccessorImpl.java:77) 
     at java.lang.reflect.Field.set(Field.java:684)
     at
org.apache.maven.project.interpolation.StringSearchModelInterpolator $InterpolateObjectAction.traverseObjectWithParents (StringSearchModelInterpolator.java:189) 
     ... 25 more
[INFO]
------------------------------------------------------------------------
[INFO] Total time: < 1 second
[INFO] Finished at: Tue Sep 29 20:08:30 CDT 2009
[INFO] Final Memory: 2M/7M
[INFO]
------------------------------------------------------------------------




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