2016-11-25 46 views
1

我正在使用JBoss 6 AS,並試圖通過AOP將攔截器添加到來自部署應用程序的某些包中的類中。這是場景:帶AOP的JBoss 6 AS拋出StackOverflowError

  • 我有一個app.jar包含我要添加意見的類。這個JAR也有一些EJB(ejb-jar.xml,jboss.xml)。
  • 我創建了JBoss上攔截這樣的:

    package util; 
    import org.jboss.aop.joinpoint.Invocation; 
    import org.jboss.aop.joinpoint.MethodInvocation; 
    public class MyInterceptor implements org.jboss.aop.advice.Interceptor { 
        @Override 
        public Object invoke(Invocation invocation) throws Throwable { 
         long startTime = System.currentTimeMillis(); 
         try { 
          return invocation.invokeNext(); 
         } finally { 
          long endTime = System.currentTimeMillis() - startTime; 
          System.out.println("MyInterceptor : " + endTime); 
          if (invocation instanceof MethodInvocation) { 
           MethodInvocation mi = (MethodInvocation) invocation; 
           String clazz = ""; 
           String method = ""; 
           try { 
            clazz = mi.getTargetObject().getClass().toString(); 
            method = mi.getMethod().getName(); 
           } catch (Throwable e) { 
            System.out.println("Error when trying to get target info"); 
           } 
           System.out.println("MyInterceptor : " + endTime); 
          } 
         } 
        } 
    
        @Override 
        public String getName() { 
         return "MyInterceptor"; 
        } 
    } 
    
  • 我創建了一個jboss-aop.xml文件,其中包含:

    <?xml version="1.0" encoding="UTF-8"?> 
    <aop xmlns="urn:jboss:aop-beans:1.0"> 
        <interceptor name="MyInterceptor" class="util.MyInterceptor"/> 
        <bind pointcut="execution(* my.app.*->*(..))"> 
         <interceptor-ref name="MyInterceptor"/> 
        </bind> 
    </aop> 
    
  • 我已經設置enableLoadTimeWeaving(引導/ aop.xml文件)

  • 我有pluggable-instrumentor.jar在正確的地方(JBOSS/bin)
  • 我已經開始在服務器與-javaagent:pluggable-instrumentor.jar
  • 我創建了一個JAR文件interceptor.jar這裏我把MyInterceptor.class並在其META-INF我放在jboss-aop.xml文件現在

,他這樣說的選項,問題是,當我運行我的應用程序和來自my.app包中的任何類的某種方法時,攔截器似乎攔截了該調用,但它引發了令人討厭的StackOverflowError。這是我的錯誤堆棧的一部分:

java.lang.StackOverflowError 
at org.jboss.resteasy.core.SynchronousDispatcher.unwrapException(SynchronousDispatcher.java:345) [:6.1.0.Final] 
at org.jboss.resteasy.core.SynchronousDispatcher.handleApplicationException(SynchronousDispatcher.java:321) [:6.1.0.Final] 
at org.jboss.resteasy.core.SynchronousDispatcher.handleException(SynchronousDispatcher.java:214) [:6.1.0.Final] 
at org.jboss.resteasy.core.SynchronousDispatcher.handleInvokerException(SynchronousDispatcher.java:190) [:6.1.0.Final] 
at org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:534) [:6.1.0.Final] 
at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:496) [:6.1.0.Final] 
at org.jboss.resteasy.core.SynchronousDispatcher.invokePropagateNotFound(SynchronousDispatcher.java:155) [:6.1.0.Final] 
at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:212) [:6.1.0.Final] 
at org.jboss.resteasy.plugins.server.servlet.FilterDispatcher.doFilter(FilterDispatcher.java:59) [:6.1.0.Final] 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274) [:6.1.0.Final] 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242) [:6.1.0.Final] 
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [:6.1.0.Final] 
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161) [:6.1.0.Final] 
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:181) [:6.1.0.Final] 
at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.event(CatalinaContext.java:285) [:1.1.0.Final] 
at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.invoke(CatalinaContext.java:261) [:1.1.0.Final] 
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:88) [:6.1.0.Final] 
at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:100) [:6.1.0.Final] 
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:159) [:6.1.0.Final] 
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [:6.1.0.Final] 
at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158) [:6.1.0.Final] 
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [:6.1.0.Final] 
at org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:53) [:6.1.0.Final] 
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362) [:6.1.0.Final] 
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [:6.1.0.Final] 
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:654) [:6.1.0.Final] 
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951) [:6.1.0.Final] 
at java.lang.Thread.run(Thread.java:745) [:1.7.0_79] 
Caused by: java.lang.StackOverflowError 
at my.app.JoinPoint_invoke_N_5164114663869737738_3.invokeJoinpoint(JoinPoint_invoke_N_5164114663869737738_3.java) [:] 
at my.app.MyInterceptor$MyInterceptorAdvisor.invoke_N_5164114663869737738(MyInterceptor$MyInterceptorAdvisor.java) [:] 
at my.app.MyInterceptor.invoke(MyInterceptor.java) [:] 
at my.app.JoinPoint_invoke_N_5164114663869737738_3.invokeNext(JoinPoint_invoke_N_5164114663869737738_3.java) [:] 
at my.app.JoinPoint_invoke_N_5164114663869737738_3.invokeJoinpoint(JoinPoint_invoke_N_5164114663869737738_3.java) [:] 
at my.app.MyInterceptor$MyInterceptorAdvisor.invoke_N_5164114663869737738(MyInterceptor$MyInterceptorAdvisor.java) [:] 
at my.app.MyInterceptor.invoke(MyInterceptor.java) [:] 

基本上什麼情況是,被拋出這四條線,直到StackOverflowError被提出:

at my.app.JoinPoint_invoke_N_5164114663869737738_3.invokeNext(JoinPoint_invoke_N_5164114663869737738_3.java) [:] 
at my.app.JoinPoint_invoke_N_5164114663869737738_3.invokeJoinpoint(JoinPoint_invoke_N_5164114663869737738_3.java) [:] 
at my.app.MyInterceptor$MyInterceptorAdvisor.invoke_N_5164114663869737738(MyInterceptor$MyInterceptorAdvisor.java) [:] 
at my.app.MyInterceptor.invoke(MyInterceptor.java) [:] 

如果任何人有一些類似的問題,任何幫助,將appeciated !

+0

你的意思是JBoss EAP 6嗎? –

+0

我的意思是JBoss AS 6(社區發行)和NOT EAP 6(這將是基於JBoss AS 7的企業發行版) –

+0

所以基本上JBoss 6.x IIUC? –

回答

1

嗯,我發現了這個問題......我把攔截器放在同一個軟件包my.app中,而不是在util中......所以最終它直到堆棧滿了才調用自己。所以...我的不好

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當你收集了足夠的信譽點時,你應該能夠接受你自己的答案並且結束問題。 – kriegaex