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The Dali project recently started using the subject class in org.eclipse.jpt.jaxb.core.tests and getting mysterious compilation problems during a build. It turns out, this bundle specifies a BREE of JavaSE-1.6 and in 1.6, the IBM Java VM (the one whose libraries we compile against) moved this Instrospector class (and others) out into their own "beans.jar". So, the fix was to add beans.jar to the PDE classpath which for production we specify in runbuild.xml: <property name="JavaSE-1.6" value="${env.JAVA_6_HOME}/jre/lib/rt.jar:${env.JAVA_6_HOME}/jre/lib/vm.jar:${env.JAVA_6_HOME}/jre/lib/java.util.jar:${env.JAVA_6_HOME}/jre/lib/xml.jar:${env.JAVA_6_HOME}/jre/lib/graphics.jar:${env.JAVA_6_HOME}/jre/lib/server.jar:${env.JAVA_6_HOME}/jre/lib/ibmorbapi.jar:${env.JAVA_6_HOME}/jre/lib/security.jar:${env.JAVA_6_HOME}/jre/lib/ibmpkcs.jar:${env.JAVA_6_HOME}/jre/lib/ibmjcefw.jar:${env.JAVA_6_HOME}/jre/lib/beans.jar"/>
fixed as described in previous comment.
Neil, Tran Le, just documenting here the recent issue we discussed via email ... for future reference if ever needed ... and serve as a reminder when mysterious compile errors happen in the future ... since you guys are always on the bleeding edge of using new things from the VM :) As I've stated before, I'd prefer to only add jars "as needed" for fear of adding something sort of non-standard ... but would reconsider if there is other opinions. For the record, there's 33 jars in /jre/lib (in IBM's Java 6 VM) annotation.jar ibmcertpathfw.jar ibmjgssfw.jar ibmorbapi.jar ibmxmlcrypto.jar javaws.jar management-agent.jar security.jar xml.jar beans.jar ibmcertpathprovider.jar ibmjgssprovider.jar ibmorb.jar j9zip.jar jlm.jar plugin.jar sql.jar charsets.jar ibmcfw.jar ibmjssefw.jar ibmpkcs.jar javascript.jar jndi.jar resources.jar vm.jar deploy.jar ibmjcefw.jar ibmjsseprovider2.jar ibmsaslfw.jar java.util.jar logging.jar rt.jar xmldsigfw.jar And we are currently using 11 of them. rt.jar vm.jar java.util.jar xml.jar graphics.jar server.jar ibmorbapi.jar security.jar ibmpkcs.jar ibmjcefw.jar beans.jar Well ... now that I've written them out ... I see that server.jar and graphics.jar are no longer in the Java 6 VM ... so that was useful ... so I'll remove them from the PDE classpath list (but will let current build finish). Those jars _are_ in 1.4 and 1.5 ... I just blindly copied them over to 1.6. From a casual glance, it appears what ever was in graphics.jar and server.jar was moved to the (new) rt.jar in 1.6.
