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求助。。。ejb部署问题?


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求助。。。ejb部署问题?
发表于:2007-07-13 13:55:35 楼主
我用servlet调用会话bean,再由会话bean访问实体bean,这样来查询mysql数据库。但是在启动jboss后发生如下异常:
11:29:23,640   error   [maindeployer]   could   not   create   deployment:   file:/e:/wangcheng/javatools/jboss/jboss-4.0.2/server/default/tmp/deploy/tmp28150entityapp.ear-contents/entityejb.jar
org.jboss.deployment.deploymentexception:   verification   of   enterprise   beans   failed,   see   above   for   error   messages.
at   org.jboss.ejb.ejbdeployer.create(ejbdeployer.java:553)
at   org.jboss.deployment.maindeployer.create(maindeployer.java:918)
at   org.jboss.deployment.maindeployer.create(maindeployer.java:910)
at   org.jboss.deployment.maindeployer.deploy(maindeployer.java:774)
at   org.jboss.deployment.maindeployer.deploy(maindeployer.java:738)
at   sun.reflect.generatedmethodaccessor48.invoke(unknown   source)
at   sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:25)
at   java.lang.reflect.method.invoke(method.java:597)
at   org.jboss.mx.interceptor.reflecteddispatcher.invoke(reflecteddispatcher.java:141)
at   org.jboss.mx.server.invocation.dispatch(invocation.java:80)
at   org.jboss.mx.interceptor.abstractinterceptor.invoke(abstractinterceptor.java:121)
at   org.jboss.mx.server.invocation.invoke(invocation.java:74)
at   org.jboss.mx.interceptor.modelmbeanoperationinterceptor.invoke(modelmbeanoperationinterceptor.java:127)
at   org.jboss.mx.server.invocation.invoke(invocation.java:74)
at   org.jboss.mx.server.abstractmbeaninvoker.invoke(abstractmbeaninvoker.java:249)
at   org.jboss.mx.server.mbeanserverimpl.invoke(mbeanserverimpl.java:644)
at   org.jboss.mx.util.mbeanproxyext.invoke(mbeanproxyext.java:177)
at   $proxy8.deploy(unknown   source)
这里只是异常的一部分。因为字数限制无法都发出来。下面还有一个类似的ear文件部署异常。
我是这么理解的:在部署时,ejb模块出现了异常,无法部署成功。这也可能是代码本身的问题。不知道这么理解对不对呢?还有如果是这样,我该怎么样去找出异常原因,以及排除异常呢?
很急很急,帮帮小弟啊,我就这么点分,全给了。


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