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Re: [tycho-user] ClassCastException: org.codehaus.tycho.osgitools.project.EclipsePluginProjectImpl

Hi Alex,

 

But I get this even when I start with an EMPTY mvn repository. Is there any other directory on my hard disk that I should delete?

 

Best regards,

 

Kai

 

From: tycho-user-bounces@xxxxxxxxxxx [mailto:tycho-user-bounces@xxxxxxxxxxx] On Behalf Of Alex Blewitt
Sent: Donnerstag, 12. Mai 2011 10:50
To: Tycho user list
Subject: Re: [tycho-user] ClassCastException: org.codehaus.tycho.osgitools.project.EclipsePluginProjectImpl

 

This suggests you've got two classes with the same name, but loaded in different (incompatible) classloaders. I suspect you've got an old version mentioned and when you do the change you've left a 0.10.0 somewhere. 

 

Alex

 

On 12 May 2011, at 09:47, Toedter, Kai wrote:



Hi All,

 

Tycho 0.10.0 works fine, with 0.11.0 and 0.12.0-SNAPSHOP I get

 

[ERROR] Internal error: java.lang.ClassCastException:

org.codehaus.tycho.osgitools.project.EclipsePluginProjectImpl cannot be cast to org.codehaus.tycho.osgitools.project.EclipsePluginProjectImpl -> [Help 1]

org.apache.maven.InternalErrorException: Internal error:

java.lang.ClassCastException:

org.codehaus.tycho.osgitools.project.EclipsePluginProjectImpl cannot be cast to org.codehaus.tycho.osgitools.project.EclipsePluginProjectImpl

                at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:168)

                at org.apache.maven.cli.MavenCli.execute(MavenCli.java:534)

                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:39)

                at

sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

                at java.lang.reflect.Method.invoke(Method.java:597)

                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: java.lang.ClassCastException:

org.codehaus.tycho.osgitools.project.EclipsePluginProjectImpl cannot be cast to org.codehaus.tycho.osgitools.project.EclipsePluginProjectImpl

                at

org.codehaus.tycho.osgitools.OsgiBundleProject.getEclipsePluginProject(OsgiBundleProject.java:204)

                at

org.codehaus.tycho.osgitools.OsgiBundleProject.getProjectClasspath(OsgiBundleProject.java:236)

                at

org.codehaus.tycho.osgitools.OsgiBundleProject.resolve(OsgiBundleProject.java:155)

                at

org.codehaus.tycho.resolver.DefaultTychoDependencyResolver.resolveProject(DefaultTychoDependencyResolver.java:80)

                at

org.codehaus.tycho.maven.TychoMavenLifecycleParticipant.afterProjectsRead(TychoMavenLifecycleParticipant.java:94)

                at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:273)

                at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)

                ... 11 more

 

You can reproduce this by downloading my MP3 Manager from https://max-server.myftp.org/trac/mp3m

 

and then setting the Tycho version in project com.siemens.ct.mp3m.tycho.parent either to 0.11.0 or 0.12.0-SNAPSHOT.

This error appears if also if I start with an empty mvn repo…, so deleting .cache and .meta does not help.

 

Any hints?

 

Thanks a lot.

 

Kai

---

 

Kai Tödter

 

Siemens AG

Corporate Technology

System Architecture & Platforms

CT T DE IT 1

Otto-Hahn-Ring 6

81739 Munich, Germany

Phone: +49 89 636-41064

Fax: +49 89 636-45450

 

Siemens Aktiengesellschaft: Chairman of the Supervisory Board: Gerhard Cromme; Managing Board: Peter Loescher, Chairman, President and Chief Executive Officer; Roland Busch, Brigitte Ederer, Klaus Helmrich, Joe Kaeser, Barbara Kux, Hermann Requardt, Siegfried Russwurm, Peter Y. Solmssen, Michael Suess; Registered offices: Berlin and Munich, Germany; Commercial registries: Berlin Charlottenburg, HRB 12300, Munich, HRB 6684; WEEE-Reg.-No. DE 23691322

 

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