POJO CACHE配置問題的示例分析

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POJO CACHE 配置在jboss-4.0.5-GA上會遇到個bug,這個bug是：Caused by: java.lang.RuntimeException: java.lang.NoSuchMethodException: addObser
ver
at org.jboss.aop.ClassAdvisor.attachClass(ClassAdvisor.java:312)
at org.jboss.aop.AspectManager.initialiseClassAdvisor(AspectManager.java
:590)
at org.jboss.aop.AspectManager.getAdvisor(AspectManager.java:578)
at org.jboss.tutorial.entity.bean.LineItem.(LineItem.java)
... 112 more
Caused by: java.lang.NoSuchMethodException: addObserver
at org.jboss.aop.ClassAdvisor.getMethod(ClassAdvisor.java:323)
at org.jboss.aop.ClassAdvisor.getMethod(ClassAdvisor.java:331)
at org.jboss.aop.ClassAdvisor.populateMixinMethods(ClassAdvisor.java:394
)
at org.jboss.aop.ClassAdvisor$1.run(ClassAdvisor.java:290)
at java.security.AccessController.doPrivileged(Native Method)
at org.jboss.aop.ClassAdvisor.attachClass(ClassAdvisor.java:271)
... 115 more
14:37:34,656 INFO [JmxKernelAbstraction] installing MBean: jboss.j2ee:jar=tutor
ial.jar,name=ShoppingCartBean,service=EJB3 with dependencies:
14:37:34,656 INFO [JmxKernelAbstraction] persistence.units:jar=tutorial.j
ar,unitName=tempdb[@more@]

郁悶了好久，終于搞定了，答案就在這些英文里面。

If you encounter this issue with 4.0.5.GA, until the update is available, do the following:

1. If you don't use http session clustering, you can remove tc5-cluster.aop from your
deploy directory and use your own jboss-aop.xml. That should work.

2. If you do, you will need to include tc5-cluster.aop in your classpath when
instrumenting the classes. Furthermore, you will need jboss-aop-aspect.jar
(for aop aspects) in your classpath as well during compilation.

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