Please help...i keep getting this error when trying to build a GWT
project in eclipse.
Apr 18, 2009 11:04:55 PM org.datanucleus.enhancer.DataNucleusEnhancer
addMessage
SEVERE: An error occured for ClassEnhancer "ASM" when trying to call
the method "org.datanucleus.enhancer.asm.ASMClassEnhancer" on class
"getClassNameForFileName" : org.objectweb.asm.ClassReader.accept(Lorg/
objectweb/asm/ClassVisitor;I)V
java.lang.NoSuchMethodError: org.objectweb.asm.ClassReader.accept(Lorg/
objectweb/asm/ClassVisitor;I)V
at
org.datanucleus.enhancer.asm.ASMClassEnhancer.getClassNameForFileName
(ASMClassEnhancer.java:154)
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:597)
at
org.datanucleus.enhancer.DataNucleusEnhancer.getClassNameForFilename
(DataNucleusEnhancer.java:900)
at
org.datanucleus.enhancer.DataNucleusEnhancer.getFileMetadataForInput
(DataNucleusEnhancer.java:716)
at org.datanucleus.enhancer.DataNucleusEnhancer.enhance
(DataNucleusEnhancer.java:525)
at org.datanucleus.enhancer.DataNucleusEnhancer.main
(DataNucleusEnhancer.java:1235)
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:597)
at com.google.appengine.tools.enhancer.Enhancer.execute(Enhancer.java:
57)
at com.google.appengine.tools.enhancer.Enhance.<init>(Enhance.java:
60)
at com.google.appengine.tools.enhancer.Enhance.main(Enhance.java:41)
.
An error occured for ClassEnhancer "ASM" when trying to call the
method "org.datanucleus.enhancer.asm.ASMClassEnhancer" on class
"getClassNameForFileName" : org.objectweb.asm.ClassReader.accept(Lorg/
objectweb/asm/ClassVisitor;I)V
java.lang.NoSuchMethodError: org.objectweb.asm.ClassReader.accept(Lorg/
objectweb/asm/ClassVisitor;I)V
at
org.datanucleus.enhancer.asm.ASMClassEnhancer.getClassNameForFileName
(ASMClassEnhancer.java:154)
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:597)
at
org.datanucleus.enhancer.DataNucleusEnhancer.getClassNameForFilename
(DataNucleusEnhancer.java:900)
at
org.datanucleus.enhancer.DataNucleusEnhancer.getFileMetadataForInput
(DataNucleusEnhancer.java:716)
at org.datanucleus.enhancer.DataNucleusEnhancer.enhance
(DataNucleusEnhancer.java:525)
at org.datanucleus.enhancer.DataNucleusEnhancer.main
(DataNucleusEnhancer.java:1235)
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:597)
at com.google.appengine.tools.enhancer.Enhancer.execute(Enhancer.java:
57)
at com.google.appengine.tools.enhancer.Enhance.<init>(Enhance.java:
60)
at com.google.appengine.tools.enhancer.Enhance.main(Enhance.java:41)
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