Caused by: java.lang.LinkageError: loader (instance of sun/misc/Launcher$AppClassLoader): attempted duplicate class definition for name: "org/apache/openjpa/lib/instrumentation/InstrumentationLevel" at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:791) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at java.net.URLClassLoader.defineClass(URLClassLoader.java:449) at java.net.URLClassLoader.access$100(URLClassLoader.java:71) at java.net.URLClassLoader$1.run(URLClassLoader.java:361) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at java.lang.ClassLoader.loadClass(ClassLoader.java:423) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) at org.apache.openjpa.conf.OpenJPAConfigurationImpl.getInstrumentationManagerInstance(OpenJPAConfigurationImpl.java:1663) at org.apache.openjpa.conf.OpenJPAConfigurationImpl.preClose(OpenJPAConfigurationImpl.java:1684) at org.apache.openjpa.lib.conf.ConfigurationImpl.close(ConfigurationImpl.java:353) at org.apache.openjpa.enhance.PCEnhancerAgent.registerClassLoadEnhancer(PCEnhancerAgent.java:191) at org.apache.openjpa.enhance.PCEnhancerAgent.premain(PCEnhancerAgent.java:145) ... 6 more
That is what I get when I try to run a trunk OpenJPA UT in Eclipse on java7[1]. [1] C:\java-sun-1.7\bin>java -version java version "1.7.0_04" Java(TM) SE Runtime Environment (build 1.7.0_04-b20) Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode) On Fri, Oct 12, 2012 at 8:16 AM, Kevin Sutter <kwsut...@gmail.com> wrote: > Which specific version of the Oracle JDK are you using? I know Java 7, but > the SRs that I've been experimenting with seem to work... > > Thanks, Kevin > > On Thu, Oct 11, 2012 at 6:35 PM, garpinc <garp...@yahoo.com> wrote: > > > I haven't tried with IBM but yes otherwise.. > > > > > > > > -- > > View this message in context: > > > http://openjpa.208410.n2.nabble.com/JDK-1-7-seems-to-be-causing-an-issue-with-latest-snapshot-tp7581417p7581432.html > > Sent from the OpenJPA Users mailing list archive at Nabble.com. > > > -- *Rick Curtis*
