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https://issues.jboss.org/browse/JASSIST-257?page=com.atlassian.jira.plugi...
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Mike Du commented on JASSIST-257:
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The latest version of the precomipled javassist.jar in master branch (from 21.02.2016)
still has this issue.
https://github.com/jboss-javassist/javassist/blob/master/javassist.jar
CtClass,CtMember,CtField,.. all have a class version of 52 (0x34 hex = java 1.8) while
other classes (like ClassPool) have 50 (0x32 hex = java 1.6)
Manual recompile with ant helps.
(The taged 3.20 ga release in github appears to be correct. At least for the couple of
classes i checked)
java.lang.UnsupportedClassVersionError: javassist/ClassPool :
Unsupported major.minor version 52.0
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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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