| [aspectj-users] NPE while using LTW in tomcat. |
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Hi, I am using aspectj LTW (aspectjweaver-1.6.1) for weaving an
aspect available in another jar within my web application code. While building the jar which contains the aspect, using
maven, I have JUnits which run without any problems using LTW. My aspect code looks as below @Around("execution
(@com.arisglobal.aglite.annotations.OperationTrail public * *(..)) &&
this(executor)") public Object
auditOperation(ProceedingJoinPoint thisJoinPoint, Object
executor) { …
… aspect code … } However when I deploy the application in tomcat (with
javaagent:aspectjweaver-1.6.1.jar option), I get a NPE which I have pasted
below. Jun 4, 2009 12:06:18 PM
org.aspectj.weaver.tools.Jdk14Trace error SEVERE:
com/arisglobal/aglite/services/actiontrail/ActionTrailAspect java.lang.NullPointerException
at org.aspectj.weaver.bcel.BcelObjectType.getAnnotationTargetKinds(BcelO bjectType.java:612)
at org.aspectj.weaver.ReferenceType.getAnnotationTargetKinds(ReferenceTy pe.java:265)
at org.aspectj.weaver.patterns.SignaturePattern.checkForIncorrectTargetK
at org.aspectj.weaver.patterns.SignaturePattern.checkForIncorrectTargetK
at org.aspectj.weaver.patterns.SignaturePattern.resolveBindings(Signatur ePattern.java:87)
at org.aspectj.weaver.patterns.KindedPointcut.resolveBindings(KindedPoin tcut.java:262)
at org.aspectj.weaver.patterns.AndPointcut.resolveBindings(AndPointcut.j ava:75)
at org.aspectj.weaver.patterns.Pointcut.resolve(Pointcut.java:196)
at org.aspectj.weaver.bcel.AtAjAttributes.handleAroundAnnotation(AtAjAtt ributes.java:1308)
at org.aspectj.weaver.bcel.AtAjAttributes.readAj5MethodAttributes(AtAjAt tributes.java:403)
at org.aspectj.weaver.bcel.BcelMethod.unpackAjAttributes(BcelMethod.java :189)
at org.aspectj.weaver.bcel.BcelMethod.<init>(BcelMethod.java:96)
at org.aspectj.weaver.bcel.BcelObjectType.getDeclaredMethods(BcelObjectT ype.java:264)
at org.aspectj.weaver.bcel.LazyClassGen.<init>(LazyClassGen.java:303)
at org.aspectj.weaver.bcel.BcelObjectType.getLazyClassGen(BcelObjectType .java:524)
at org.aspectj.weaver.bcel.BcelWeaver.weave(BcelWeaver.java:1728)
at org.aspectj.weaver.bcel.BcelWeaver.weaveWithoutDump(BcelWeaver.java:1 696)
at org.aspectj.weaver.bcel.BcelWeaver.weaveAndNotify(BcelWeaver.java:145 8)
at org.aspectj.weaver.bcel.BcelWeaver.weave(BcelWeaver.java:1244)
at org.aspectj.weaver.tools.WeavingAdaptor.getWovenBytes(WeavingAdaptor. java:423)
at org.aspectj.weaver.tools.WeavingAdaptor.weaveClass(WeavingAdaptor.jav a:286)
at org.aspectj.weaver.loadtime.Aj.preProcess(Aj.java:95)
at org.aspectj.weaver.loadtime.ClassPreProcessorAgentAdapter.transform(C lassPreProcessorAgentAdapter.java:52) at
sun.instrument.TransformerManager.transform(TransformerManager.java:1 22)
at sun.instrument.InstrumentationImpl.transform(InstrumentationImpl.java :155)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:620) I also tried using aspectjweaver-1.6.4 version however got
the same error. Could somebody please point to any solution? Thanks in advance, Shashi
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