https://issues.apache.org/bugzilla/show_bug.cgi?id=44633
Summary: say which jar/class is wrong when throwing
UnsupportedClassVersionError
Product: Tomcat 6
Version: 6.0.16
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
after happily using tomcat 6/java6, we had to move back to tomcat 5/java5.
Unfortunately, it seems that one jar or .class files not yet compiled under
java5 got there too.
Suggestion:
in at
org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1815)
catch UnsupportedClassVersionError and re-throw it after adding hints with
which class sought/jar file it happens!
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:294)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:432)
Caused by: java.lang.UnsupportedClassVersionError: Bad version number in .class
file
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
at
org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1815)
at
org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:869)
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1322)
at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1201)
at
org.apache.catalina.core.StandardWrapper$1.run(StandardWrapper.java:1017)
at java.security.AccessController.doPrivileged(Native Method)
at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1013)
at
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:932)
at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3951)
at
org.apache.catalina.core.StandardContext.start(StandardContext.java:4225)
at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1013)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1013)
at
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
at
org.apache.catalina.core.StandardService.start(StandardService.java:450)
at
org.apache.catalina.core.StandardServer.start(StandardServer.java:709)
at org.apache.catalina.startup.Catalina.start(Catalina.java:551)
... 6 more
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