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[aspectj-users] NPE while using LTW in tomcat.

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

ind(SignaturePattern.java:112)

        at org.aspectj.weaver.patterns.SignaturePattern.checkForIncorrectTargetK

ind(SignaturePattern.java:94)

        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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