Re: classpath problems

From: Guilherme melo (guilherm..oleque.com.br)
Date: Mon Aug 28 2006 - 22:29:08 EDT

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    Ulrich Köster wrote:
    >
    > Am 25.08.2006 um 15:18 schrieb Henrique Prange:
    >
    >> Hi Ulrich,
    >>
    >> I think that Gulherme was talking about these lines of the .classpath
    >> files:
    >>
    >> Sometimes the WO classpath seens like this:
    >>
    >> <classpathentry kind="con"
    >> path="org.objectstyle.wolips.WO_CLASSPATH/ERExtensions/JavaWOExtensions/MOLUtilitarios/JavaEOAccess/JavaEOControl/JavaFoundation/JavaJDBCAdaptor/JavaWebObjects/JavaXML"/>
    >>
    >>
    >> Occasionally seens like this one:
    >>
    >> <classpathentry kind="con"
    >> path="org.objectstyle.wolips.ContainerInitializer/10/1/ERExtensions/1/nil/1/nil/1/0/1/false/10/1/JavaWOExtensions/1/nil/1/nil/1/0/1/false/10/1/MOLUtilitarios/1/nil/1/nil/1/0/1/false/10/1/shipping/1/nil/1/nil/1/0/1/false/10/1/JavaEOAccess/1/nil/1/nil/1/0/1/false/10/1/JavaEOControl/1/nil/1/nil/1/0/1/false/10/1/JavaFoundation/1/nil/1/nil/1/0/1/false/10/1/JavaJDBCAdaptor/1/nil/1/nil/1/0/1/false/10/1/JavaWebObjects/1/nil/1/nil/1/0/1/false/10/1/JavaXML/1/nil/1/nil/1/0/1/false"/>
    >>
    >>
    >> Is it the predictable behavior? Why it happens?
    >
    > We have two classpath container in WOLips. When you remove the default
    > one with new one you'll get a a different .classpath.
    >>
    >> I'm using another output folder as a replacement for "bin" and it
    >> works. I just had to change the build.properties file.
    >
    > You could change the output folder to whatever you want and change it
    > in the build.properties. target/classes is used by maven. So two tools
    > are overwriting there output.
    >>
    >> Thanks,
    >>
    >> Henrique
    >>
    >> Ulrich Köster wrote:
    >>> That's really evil:
    >>>> <classpathentry kind="output" path="target/classes"/>
    >>> You're in trouble when playing with a new version of a JDK. Keep the
    >>> tools side by side and not mixed.
    >>> The behavior of the car mainly depends on the driver :-) You've
    >>> changed the classpath.
    >>> I have no idea why you framework is sometimes there and sometimes not.
    >>> Uli
    >>> Am 24.08.2006 um 21:54 schrieb Guilherme melo:
    >>>> hello , i am new to WO (i am using WOlips version 2.0.0.3063 and i
    >>>> have been having some inconsistencies with the class paths ,one
    >>>> of my frameworks appears on the classpath but dosen't apear on the
    >>>> list of frameworframeworks loaded by WOLips(WO Frameworks) and
    >>>> randomly it comes back. also sometimes it has the behavior below
    >>>>
    >>>> <classpath>
    >>>> <classpathentry kind="src" path="src/main/java"/>
    >>>> <classpathentry excluding="**" output="src/main/resources"
    >>>> kind="src" path="src/main/resources"/>
    >>>> <classpathentry kind="con"
    >>>> path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
    >>>> <classpathentry kind="con"
    >>>> path="org.objectstyle.wolips.WO_CLASSPATH/ERExtensions/JavaWOExtensions/MOLUtilitarios/JavaEOAccess/JavaEOControl/JavaFoundation/JavaJDBCAdaptor/JavaWebObjects/JavaXML"/>
    >>>>
    >>>> <classpathentry kind="con"
    >>>> path="org.maven.ide.eclipse.MAVEN2_CLASSPATH_CONTAINER"/>
    >>>> <classpathentry kind="output" path="target/classes"/>
    >>>> </classpath>
    >>>>
    >>>> <classpath>
    >>>> <classpathentry kind="src" path="src/main/java"/>
    >>>> <classpathentry kind="con"
    >>>> path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
    >>>> <classpathentry kind="con"
    >>>> path="org.maven.ide.eclipse.MAVEN2_CLASSPATH_CONTAINER"/>
    >>>> <classpathentry kind="con"
    >>>> path="org.objectstyle.wolips.ContainerInitializer/10/1/ERExtensions/1/nil/1/nil/1/0/1/false/10/1/JavaWOExtensions/1/nil/1/nil/1/0/1/false/10/1/MOLUtilitarios/1/nil/1/nil/1/0/1/false/10/1/shipping/1/nil/1/nil/1/0/1/false/10/1/JavaEOAccess/1/nil/1/nil/1/0/1/false/10/1/JavaEOControl/1/nil/1/nil/1/0/1/false/10/1/JavaFoundation/1/nil/1/nil/1/0/1/false/10/1/JavaJDBCAdaptor/1/nil/1/nil/1/0/1/false/10/1/JavaWebObjects/1/nil/1/nil/1/0/1/false/10/1/JavaXML/1/nil/1/nil/1/0/1/false"/>
    >>>>
    >>>> <classpathentry kind="output" path="target/classes"/>
    >>>> </classpath>
    >>>>
    >>>> is this happening to anyone else ?? anyone know the reason ? thx !!
    >
    >
    i am also getting this error , this is freezing up my workspace ,ive
    tried reinstaling WO is it related ?

    java.lang.NullPointerException
    at
    org.eclipse.jdt.internal.core.JavaProject.getResolvedClasspath(JavaProject.java:2186)
    at
    org.eclipse.jdt.internal.core.JavaProject.getResolvedClasspath(JavaProject.java:2073)
    at
    org.eclipse.jdt.internal.core.DeltaProcessingState.initializeRoots(DeltaProcessingState.java:286)
    at
    org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:717)
    at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1737)
    at org.eclipse.jdt.core.JavaCore.run(JavaCore.java:4023)
    at org.eclipse.jdt.core.JavaCore.setClasspathContainer(JavaCore.java:4197)
    at
    org.objectstyle.wolips.jdt.classpath.WOClasspathContainerInitializer.initialize(WOClasspathContainerInitializer.java:98)
    at
    org.eclipse.jdt.internal.core.JavaModelManager.initializeContainer(JavaModelManager.java:1900)
    at
    org.eclipse.jdt.internal.core.JavaModelManager$7.run(JavaModelManager.java:1846)
    at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1737)
    at
    org.eclipse.jdt.internal.core.JavaModelManager.initializeAllContainers(JavaModelManager.java:1855)
    at
    org.eclipse.jdt.internal.core.JavaModelManager.getClasspathContainer(JavaModelManager.java:1265)
    at org.eclipse.jdt.core.JavaCore.getClasspathContainer(JavaCore.java:1470)
    at
    org.eclipse.jdt.internal.core.JavaProject.getResolvedClasspath(JavaProject.java:2169)
    at
    org.eclipse.jdt.internal.core.JavaProject.getResolvedClasspath(JavaProject.java:2073)
    at
    org.eclipse.jdt.internal.core.JavaProject.getResolvedClasspath(JavaProject.java:2014)
    at
    org.objectstyle.wolips.jdt.ant.UpdateOtherClasspathIncludeFiles.buildIncludeFiles(UpdateOtherClasspathIncludeFiles.java:101)
    at
    org.objectstyle.wolips.jdt.ant.UpdateOtherClasspathIncludeFiles.execute(UpdateOtherClasspathIncludeFiles.java:89)
    at
    org.objectstyle.wolips.jdt.listener.UpdateIncludeFilesJob.runInWorkspace(UpdateIncludeFilesJob.java:91)
    at
    org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:38)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)



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