could not acquire lock on @Synchronized component: com.sunsheen.nddc.data.imp.DataImportUtils

帮忙看一下这是什么问题啊

java.lang.reflect.InvocationTargetException
16:26:19,613 ERROR [STDERR]  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
16:26:19,613 ERROR [STDERR]  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
16:26:19,613 ERROR [STDERR]  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
16:26:19,613 ERROR [STDERR]  at java.lang.reflect.Method.invoke(Method.java:606)
16:26:19,613 ERROR [STDERR]  at org.jboss.seam.remoting.Call.processInvocation(Call.java:208)
16:26:19,613 ERROR [STDERR]  at org.jboss.seam.remoting.Call.execute(Call.java:140)
16:26:19,613 ERROR [STDERR]  at org.jboss.seam.remoting.ExecutionHandler$1.process(ExecutionHandler.java:120)
16:26:19,613 ERROR [STDERR]  at org.jboss.seam.servlet.ContextualHttpServletRequest.run(ContextualHttpServletRequest.java:65)
16:26:19,613 ERROR [STDERR]  at org.jboss.seam.remoting.ExecutionHandler.handle(ExecutionHandler.java:141)
16:26:19,613 ERROR [STDERR]  at org.jboss.seam.remoting.Remoting.getResource(Remoting.java:111)
16:26:19,614 ERROR [STDERR]  at org.jboss.seam.servlet.SeamResourceServlet.service(SeamResourceServlet.java:80)
16:26:19,614 ERROR [STDERR]  at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
16:26:19,614 ERROR [STDERR]  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
16:26:19,614 ERROR [STDERR]  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
16:26:19,614 ERROR [STDERR]  at org.apache.tuscany.sca.host.webapp.TuscanyServletFilter.doFilter(TuscanyServletFilter.java:99)
16:26:19,614 ERROR [STDERR]  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
16:26:19,614 ERROR [STDERR]  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
16:26:19,614 ERROR [STDERR]  at com.sunsheen.jfids.system.servlet.SystemPageFilter.doFilter(Unknown Source)
16:26:19,614 ERROR [STDERR]  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
16:26:19,614 ERROR [STDERR]  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
16:26:19,614 ERROR [STDERR]  at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:79)
16:26:19,614 ERROR [STDERR]  at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60)
16:26:19,614 ERROR [STDERR]  at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:67)
16:26:19,614 ERROR [STDERR]  at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
16:26:19,614 ERROR [STDERR]  at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:67)
16:26:19,614 ERROR [STDERR]  at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
16:26:19,614 ERROR [STDERR]  at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:67)
16:26:19,614 ERROR [STDERR]  at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63)
16:26:19,614 ERROR [STDERR]  at org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:40)
16:26:19,614 ERROR [STDERR]  at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:67)
16:26:19,614 ERROR [STDERR]  at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
16:26:19,614 ERROR [STDERR]  at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:156)
16:26:19,614 ERROR [STDERR]  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
16:26:19,614 ERROR [STDERR]  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
16:26:19,614 ERROR [STDERR]  at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
16:26:19,614 ERROR [STDERR]  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
16:26:19,614 ERROR [STDERR]  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
16:26:19,614 ERROR [STDERR]  at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
16:26:19,614 ERROR [STDERR]  at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
16:26:19,614 ERROR [STDERR]  at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
16:26:19,614 ERROR [STDERR]  at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
16:26:19,614 ERROR [STDERR]  at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
16:26:19,614 ERROR [STDERR]  at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
16:26:19,614 ERROR [STDERR]  at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
16:26:19,614 ERROR [STDERR]  at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
16:26:19,614 ERROR [STDERR]  at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
16:26:19,615 ERROR [STDERR]  at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
16:26:19,615 ERROR [STDERR]  at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
16:26:19,615 ERROR [STDERR]  at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
16:26:19,615 ERROR [STDERR]  at java.lang.Thread.run(Thread.java:745)
16:26:19,615 ERROR [STDERR] Caused by: org.jboss.seam.core.LockTimeoutException: could not acquire lock on @Synchronized component: com.sunsheen.nddc.data.imp.DataImportUtils
16:26:19,615 ERROR [STDERR]  at org.jboss.seam.core.SynchronizationInterceptor.aroundInvoke(SynchronizationInterceptor.java:41)
16:26:19,615 ERROR [STDERR]  at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
16:26:19,615 ERROR [STDERR]  at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107)
16:26:19,615 ERROR [STDERR]  at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:185)
16:26:19,615 ERROR [STDERR]  at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:103)
16:26:19,615 ERROR [STDERR]  at com.sunsheen.nddc.data.imp.DataImportUtils_$$_javassist_seam_47.doImport(DataImportUtils_$$_javassist_seam_47.java)
16:26:19,615 ERROR [STDERR]  ... 50 more

图片：QQ截图20160929163017.png

图片：QQ截图20160929163044.png

这个错多线程访问资源时出现的一个问题，主要是同一个组件被多个线程访问时，如果某个线程在超时时间段内没有得到锁，将抛出该异常。解决办法就是把你这个组件的申明@Synchronized移除（需要保证你这个组件是无状态的）。

刘魁：这个错多线程访问资源时出现的一个问题，主要是同一个组件被多个线程访问时，如果某个线程在超时时间段内没有得到锁，将抛出该异常。解决办法就是把你这个组件的申明@Synchronized移除（需要保证你这个组件是无状态的）。回到原帖

嗯嗯，应该是。因为我导入的时候，一直卡在那里了，然后还没释放我就把它关了，然后再上传就报这个错，应该是上一次上传的线程还没有释放资源。 我重启了服务器就可以了。谢谢魁哥。

只重启服务器可能下次还会遇到哦