Public bug reported:
I'm currently packaging Jenkins
(https://github.com/jenkinsci/jenkins/tree/jenkins-1_396 for a tarball)
for Ubuntu and I've come across the following issue when compiling
jenkins-core:
/home/jamespage/src/hudson/github/build-
area/jenkins-1.396/core/src/main/java/hudson/model/Build.java:[80,16]
types hudson.model.AbstractBuild<P,B> and
hudson.model.AbstractBuild<P,B> are incompatible; both define
getParent(), but with unrelated return types
/home/jamespage/src/hudson/github/build-
area/jenkins-1.396/core/src/main/java/hudson/model/FreeStyleBuild.java:[35,7]
types
hudson.model.Build<hudson.model.FreeStyleProject,hudson.model.FreeStyleBuild>
and
hudson.model.Build<hudson.model.FreeStyleProject,hudson.model.FreeStyleBuild>
are incompatible; both define getParent(), but with unrelated return
types
This is on natty (OpenJDK version below).
java version "1.6.0_21"
OpenJDK Runtime Environment (IcedTea6 1.10pre) (6b21~pre1-0ubuntu2)
OpenJDK 64-Bit Server VM (build 19.0-b09, mixed mode)
Compiling with the Sun JDK from the partner repository works
successfully.
I also get a similar issue on Maverick:
/home/jamespage/src/hudson/github/normal/jenkinsci-jenkins-
653b030/core/src/main/java/hudson/model/Build.java:[80,16] types
hudson.model.AbstractBuild<P,B> and hudson.model.AbstractBuild<P,B> are
incompatible; both define getParent(), but with unrelated return types
/home/jamespage/src/hudson/github/normal/jenkinsci-jenkins-
653b030/core/src/main/java/hudson/matrix/MatrixBuild.java:[60,7] types
hudson.model.AbstractBuild<hudson.matrix.MatrixProject,hudson.matrix.MatrixBuild>
and
hudson.model.AbstractBuild<hudson.matrix.MatrixProject,hudson.matrix.MatrixBuild>
are incompatible; both define getParent(), but with unrelated return
types
/home/jamespage/src/hudson/github/normal/jenkinsci-jenkins-
653b030/core/src/main/java/hudson/model/FreeStyleBuild.java:[35,7] types
hudson.model.Build<hudson.model.FreeStyleProject,hudson.model.FreeStyleBuild>
and
hudson.model.Build<hudson.model.FreeStyleProject,hudson.model.FreeStyleBuild>
are incompatible; both define getParent(), but with unrelated return
types
This feels like a difference between the way the Sun JDK and OpenJDK
handle generics.
** Affects: openjdk-6 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/716959
Title:
Incorrect generation/handling of generics compared to Sun javac?
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