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Re: [aspectj-users] NPE in LTW with aspectJ 1.5.2a
|
Yes I do think you are experiencing
https://bugs.eclipse.org/bugs/show_bug.cgi?id=151182.
Unfortunately it is not fixed in the driver you are using (which is not
intended for general consumption and will be described as such shortly).
We have been experiencing problems with our upload process but there is
a new "Last Known Good developer build " on the Web site today
that you can try. Please let us know if it works and we can (finally) close
the bug report.
The fact that your org.apache class
is being woven is related to the bug. Under certain conditions there is
a race condition creating the AspectJ weaving adaptor. The thread that
gets the NPE is using the adaptor before it is initialized including the
set of include/excludes.
Cheers
Matthew Webster
AOSD Project
Java Technology Centre, MP146
IBM Hursley Park, Winchester, SO21 2JN, England
Telephone: +44 196 2816139 (external) 246139 (internal)
Email: Matthew Webster/UK/IBM @ IBMGB, matthew_webster@xxxxxxxxxx
http://w3.hursley.ibm.com/~websterm/
mhoram@xxxxxxxxxxxx
Sent by: aspectj-users-bounces@xxxxxxxxxxx
23/08/2006 09:04
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aspectj-users@xxxxxxxxxxx |
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Subject
| [aspectj-users] NPE in LTW with aspectJ
1.5.2a |
|
Hi all:
I´m trying to use LTW to integrate a debugging aspect into my application
using:
Tomcat 5.5
java version "1.5.0_06"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_06-b05)
Java HotSpot(TM) Client VM (build 1.5.0_06-b05, mixed mode)
And AspectJ 1.5.2a
I get the following error:
info weaving 'org/apache/catalina/storeconfig/WrapperListenerSF'
java.lang.NullPointerException
at
org.aspectj.weaver.bcel.BcelWeaver.weaveParentTypeMungers(BcelWeaver.
java:1367)
at
org.aspectj.weaver.bcel.BcelWeaver.weaveParentsFor(BcelWeaver.java:12
37)
at org.aspectj.weaver.bcel.BcelWeaver.weave(BcelWeaver.java:1072)
at
org.aspectj.weaver.tools.WeavingAdaptor.getWovenBytes(WeavingAdaptor.
java:284)
at
org.aspectj.weaver.tools.WeavingAdaptor.weaveClass(WeavingAdaptor.jav
a:212)
at org.aspectj.weaver.loadtime.Aj.preProcess(Aj.java:65)
at
org.aspectj.weaver.loadtime.ClassPreProcessorAgentAdapter.transform(C
lassPreProcessorAgentAdapter.java:55)
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)
at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:12
4)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
at java.security.AccessController.doPrivileged(Native
Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:164)
at
org.apache.catalina.storeconfig.StoreFactoryRule.newInstance(StoreFac
toryRule.java:121)
at
org.apache.catalina.storeconfig.StoreFactoryRule.begin(StoreFactoryRu
le.java:87)
at
org.apache.tomcat.util.digester.Digester.startElement(Digester.java:1
275)
at
com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startEle
ment(AbstractSAXParser.java:533)
at
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImp
l.scanStartElement(XMLDocumentFragmentScannerImpl.java:878)
at
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImp
l$FragmentContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1693)
at
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImp
l.scanDocument(XMLDocumentFragmentScannerImpl.java:368)
at
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(X
ML11Configuration.java:834)
at
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(X
ML11Configuration.java:764)
at
com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.
java:148)
at
com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Ab
stractSAXParser.java:1242)
at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1580)
at
org.apache.catalina.storeconfig.StoreLoader.load(StoreLoader.java:241
)
at
org.apache.catalina.storeconfig.StoreConfigLifecycleListener.createMB
ean(StoreConfigLifecycleListener.java:74)
at
org.apache.catalina.storeconfig.StoreConfigLifecycleListener.lifecycl
eEvent(StoreConfigLifecycleListener.java:57)
at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(Lifecycl
eSupport.java:119)
at
org.apache.catalina.core.StandardServer.start(StandardServer.java:705
)
at org.apache.catalina.startup.Catalina.start(Catalina.java:551)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:275)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
The aspect works fine when using Iajc instead LTW, this is the aspect i
use:
package com.mundivia.aopmonitor;
import org.apache.log4j.Logger;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import com.jamonapi.Monitor;
import com.jamonapi.MonitorFactory;
@Aspect
public class QuiterMonitorAspect {
private static Monitor monitor;
private static Logger logger = Logger
.getLogger(QuiterMonitorAspect.class);
@Pointcut(" execution(* com.quiter..*(..))")
public void metodosQuiter(){
}
@Pointcut(" execution(*
pruebasmundivia.pool.implementaciones.AfinityCacheTiempoConexionConexionesDMSPoolSinTimer.*Conexion(..))")
public void metodosPool(){
}
@Pointcut(" execution(* asjava.uniobjects.*(..))")
public void metodosUniverse(){
}
@Pointcut(" execution(*
pruebasmundivia.pool.implementaciones.CommonsBasedConexionesDMSPool.*Conexion(..))")
public void metodosCommonsPool(){
}
@Pointcut(" execution(*
pruebasmundivia.pool.implementaciones.HashTableBasedAfinityCacheSinTimer.comprobarContenido(..))")
public void metodosCache(){
}
/*@Around("metodosQuiter()||metodosMundivia()")*/
@Around("metodosPool()")
public Object aspecto(ProceedingJoinPoint jp){
// monitor=MonitorFactory.start(jp.getSignature().toLongString());
Object devolver=null;
long t1=0,t2=0;
try {
t1=System.nanoTime();
devolver=jp.proceed();
t2=System.nanoTime();
} catch (Throwable e) {
// TODO Auto-generated catch
block
e.printStackTrace();
}finally{
System.out.println(t2-t1);
// monitor.stop();
//logger.debug(monitor.toString());
// System.out.println(monitor);
}
return devolver;
}
// @Pointcut("execution (* *(..))")
// public void capaWeb(){
//
// }
//
// @Pointcut("execution(* *(..))")
// public void capaDao(){
//
// }
//
// @Pointcut("execution(* *(..))")
// public void capaModelo(){
//
// }
}
And my aop.xml file store in a jar placed in tomcat/common/lib
<aspectj>
<aspects>
<aspect name="com.mundivia.aopmonitor.QuiterMonitorAspect"
/>
<include
within="com.mundivia.aopmonitor.QuiterMonitorAspect" />
</aspects>
<weaver options="-verbose">
<include
within="asjava..*" />
</weaver>
</aspectj>
It seems i´m having this bug
https://bugs.eclipse.org/bugs/show_bug.cgi?id=151182
Can anyone confirm it?
Other cuestion, why is weaver trying to weave org.apache classes when i
have not include them in the weaver section?
I send zip file with the aspect and the aop.xml file just in case anyone
want to take a look
Thanks._______________________________________________
aspectj-users mailing list
aspectj-users@xxxxxxxxxxx
https://dev.eclipse.org/mailman/listinfo/aspectj-users
Attachment:
QuiterJamonMonitor.zip
Description: Zip archive
