I have seen this. Had no definite closure. Seemingly occurs with certain version of Ant, JDK, Maven etc... The error stopped me for several days -- and disappeared as mysteriously as it appeared when I tweaked with different version of Ant.
jack.terranova wrote: > > Sounds like this poster had this issue too ... > > > http://n2.nabble.com/Please-help-me-enhancing-my-classes-td209164.html#a209166 > http://n2.nabble.com/Please-help-me-enhancing-my-classes-td209164.html#a209166 > > > ... but their issue just went away. > > I am trying to enhance at build time using Ant... > > <target name="enhance"> > <!-- define the openjpac task; this can be done at the top of the > --> > <!-- build.xml file, so it will be available for all targets --> > <taskdef name="openjpac" > classname="org.apache.openjpa.ant.PCEnhancerTask"> > <classpath> > > <fileset dir="src/META-INF" > > </fileset> > <pathelement > path="/home/jack/programs/commons-lang-2.4/commons-lang-2.4.jar" /> > <pathelement > path="/home/jack/programs/apache-openjpa-1.2.1/openjpa-1.2.1.jar" /> > </classpath> > </taskdef> > > <!-- invoke enhancer on all .java files below the model directory --> > <openjpac> > <fileset dir="build/classes"> > <include name="**/*.class"/> > </fileset> > </openjpac> > </target> > > > commons-lang-2.4.jar seems to be the culprit. Originally I was getting a > ClassNotFound for a commons/lang class. So I added the jar into the > classpath and get this exception ... > > > [openjpac] java.util.zip.ZipException: error in opening zip file > [openjpac] at java.util.zip.ZipFile.open(Native Method) > [openjpac] at java.util.zip.ZipFile.<init>(Unknown Source) > [openjpac] at java.util.zip.ZipFile.<init>(Unknown Source) > [openjpac] at > org.apache.tools.ant.AntClassLoader.getResourceURL(AntClassLoader.java:1028) > [openjpac] at > org.apache.tools.ant.AntClassLoader$ResourceEnumeration.findNextResource(AntClassLoader.java:147) > [openjpac] at > org.apache.tools.ant.AntClassLoader$ResourceEnumeration.<init>(AntClassLoader.java:109) > [openjpac] at > org.apache.tools.ant.AntClassLoader.findResources(AntClassLoader.java:975) > [openjpac] at java.lang.ClassLoader.getResources(Unknown Source) > > > ...I've struggles with all sorts of workarounds including downloading > different versions of common-lang thinking maybe the jar is corrupt. But > I think this is an openjpa issue. > > Enhancing at runtime works great with the agent - so that is my workaround > for now. > > Thanks in advance. > ----- Pinaki -- View this message in context: http://n2.nabble.com/Cannot-enhance-at-build-time-strange-ZipException-tp3590538p3608545.html Sent from the OpenJPA Users mailing list archive at Nabble.com.
