[jboss-jira] [JBoss JIRA] (JASSIST-257) java.lang.UnsupportedClassVersionError: javassist/ClassPool : Unsupported major.minor version 52.0

[Simon Franquet (JIRA)]

Simon Franquet created JASSIST-257:
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             Summary: java.lang.UnsupportedClassVersionError: javassist/ClassPool : Unsupported major.minor version 52.0
                 Key: JASSIST-257
                 URL: https://issues.jboss.org/browse/JASSIST-257
             Project: Javassist
          Issue Type: Release
         Environment: Linux Tomcat 7 / JDK 1.6.0.41 / RHEL 5
Javassist version 3.20.0-GA
            Reporter: Simon Franquet
            Assignee: Shigeru Chiba


Sorry, not sure it's the right place to post this, but anyway : during instrumentation, class  transformation fails with the this :

 Redefinition class failed !
java.lang.UnsupportedClassVersionError: javassist/ClassPool : Unsupported major.minor version 52.0
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
        at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
        at com.meilleuregestion.instrumentation.Transformer.transform(Transformer.java:33)
        at sun.instrument.TransformerManager.transform(TransformerManager.java:169)
        at sun.instrument.InstrumentationImpl.transform(InstrumentationImpl.java:365)
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
        at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2895)
        at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1173)
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1681)
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)
        at org.apache.catalina.util.Introspection.loadClass(Introspection.java:143)
        at org.apache.catalina.startup.WebAnnotationSet.loadApplicationServletAnnotations(WebAnnotationSet.java:135)







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