java 抛出异常java.util.ConcurrentModificationException

时间:2013-03-25 17:53 来源: IT技术网作者:json

【java 抛出异常java.util.ConcurrentModificationException】java开发笔记之有趣的异常--java.util.ConcurrentModificationException

做定时器的TimerTask控制,把名字和对应的TimerTask以键值对放在HashMap里,用的时候取出来,用完之后移除.

报了下边这个异常.

警告: Application SendTimer has thrown exception, unwinding now

org.apache.cxf.interceptor.Fault

at org.apache.cxf.service.invoker.AbstractInvoker.createFault(AbstractInvoker.java:162)

at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:128)

at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:167)

at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:94)

at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:58)

at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:94)

at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:262)

at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)

at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:236)

at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:213)

at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:154)

at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:130)

at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:221)

at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:141)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)

at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:197)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)

at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)

at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)

at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)

at java.lang.Thread.run(Thread.java:662)

Caused by: java.util.ConcurrentModificationException

at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)

at java.util.HashMap$KeyIterator.next(HashMap.java:828)

at com.wistron.swpc.msg.sender.common.SendTimer.mailSwitch(SendTimer.java:160)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:180)

at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96)

... 26 more

2013-2-26 10:12:46 org.apache.cxf.phase.PhaseInterceptorChain unwind

警告: Exception in handleFault on interceptor org.apache.cxf.binding.xml.interceptor.XMLFaultOutInterceptor@1e2f6b0