JBoss 6 AS with AOP throws StackOverflowError

Question

我正在使用 JBoss 6 AS 并尝试通过 AOP 添加一个拦截器到来自已部署应用程序的某些包中的 classes。这是场景：

我有一个 app.jar，其中包含我要添加建议的 class。这个 JAR 也有一些 EJB (ejb-jar.xml, jboss.xml).

我在 JBoss 上创建了这样的拦截器：

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";
    }
}

我创建了一个 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>

我设置了enableLoadTimeWeaving(bootstrap/aop.xml)
我在正确的地方有 pluggable-instrumentor.jar (JBOSS/bin)
我已经使用 -javaagent:pluggable-instrumentor.jar
我创建了一个 JAR 文件 interceptor.jar，我将 MyInterceptor.class 放入其中，并在其 META-INF 中放置了 jboss-aop.xml 文件

现在，话虽如此，问题是当我运行我的应用程序和来自 my.app 包的任何 class 的某些方法被调用时，拦截器似乎拦截了调用但它抛出一个讨厌的 WhosebugError。这是我的错误堆栈的一部分：

java.lang.WhosebugError
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.WhosebugError
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) [:]

基本上发生的事情是抛出这四行，直到 WhosebugError 被引发：

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) [:]

如果有人遇到类似问题，我们将不胜感激！

Answer 1

好吧，我发现了问题...我将拦截器放在同一个包中 my.app 而不是在 util 中...所以最终它会无休止地调用自己，直到堆栈已满。所以...我的错

JBoss 6 AS with AOP throws StackOverflowError

JBoss 6 AS with AOP throws StackOverflowError

aop

jboss

jboss6.x