亲爱的，
我们遇到了‘打开文件过多’的问题。
我们取得了一些进展，但问题仍然存在......
我们在aix上的weblogic上使用cxf。
相关cxf配置：
<http-conf:conduit name="*.http-conduit">
<http-conf:client Connection="close" />
</http-conf:conduit>
执行此代码时：
for(int i=0;i<1300;i++){
response = callService(request).call();
}
（我们不打算在生产中使用此代码，但它是为了解决问题）
-> 第一次运行成功；
-> 第二次运行暴露了问题
输出：
netstat| wc -l
首先显示有太多套接字保持打开状态（因此 cxf 配置发生变化）
现在打开的套接字保持稳定 +- 400 行，而配置更改之前则 >1000
但...
lsof 2> /dev/null|grep TCP|wc -l
揭示了我们目前遇到的问题
打开的套接字的数量是稳定的（因此套接字被关闭）但是打开的文件的数量并不稳定......
从托管服务器启动后立即从 319 一直到 +-1688 时引发以下异常：
javax.xml.ws.soap.SOAPFaultException: NullPointerException invoking https://tst-cjcsr.just.fgov.be/cjcs-cg-ws/1.0-rc2/: null
at org.apache.cxf.jaxws.JaxWsClientProxy.invoke(JaxWsClientProxy.java:158)
at com.sun.proxy.$Proxy302.requestCriminalRecord(Unknown Source)
at be.fgov.just.cjr.application.dossier.DossierBean$1.call(DossierBean.java:226)
at be.fgov.just.cjr.application.dossier.DossierBean$1.call(DossierBean.java:222)
at be.fgov.just.cjr.application.dossier.DossierBean.callService(DossierBean.java:153)
at be.fgov.just.cjr.application.dossier.DossierBean.search(DossierBean.java:99)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:60)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
at java.lang.reflect.Method.invoke(Method.java:611)
at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:329)
at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:342)
at org.jboss.el.parser.AstPropertySuffix.invoke(AstPropertySuffix.java:58)
at org.jboss.el.parser.AstValue.invoke(AstValue.java:96)
at org.jboss.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
at javax.faces.component.UICommand.broadcast(UICommand.java:315)
at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:794)
at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1259)
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:409)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
at be.fgov.just.cjr.application.authentication.UserbeanEnforceFilter.doFilter(UserbeanEnforceFilter.java:64)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at be.fgov.just.cjr.application.authentication.openam.OpenAmPingFilter.doFilter(OpenAmPingFilter.java:88)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at be.fgov.just.cjr.application.authentication.openam.OpenAmReverifyFilter.doFilter(OpenAmReverifyFilter.java:94)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at be.fgov.just.cjr.application.authentication.openam.OpenAmSessionFilter.doFilter(OpenAmSessionFilter.java:166)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:259)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:60)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3748)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3714)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2283)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2182)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1491)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:263)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)
Caused by: java.lang.NullPointerException: NullPointerException invoking https://tst-cjcsr.just.fgov.be/cjcs-cg-ws/1.0-rc2/: null
at sun.reflect.GeneratedConstructorAccessor108.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:39)
at java.lang.reflect.Constructor.newInstance(Constructor.java:527)
at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.mapException(HTTPConduit.java:1346)
at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1335)
at org.apache.cxf.transport.AbstractConduit.close(AbstractConduit.java:56)
at org.apache.cxf.transport.http.HTTPConduit.close(HTTPConduit.java:632)
at org.apache.cxf.interceptor.MessageSenderInterceptor$MessageSenderEndingInterceptor.handleMessage(MessageSenderInterceptor.java:62)
at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:272)
at org.apache.cxf.endpoint.ClientImpl.doInvoke(ClientImpl.java:572)
at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:481)
at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:382)
at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:335)
at org.apache.cxf.frontend.ClientProxy.invokeSync(ClientProxy.java:96)
at org.apache.cxf.jaxws.JaxWsClientProxy.invoke(JaxWsClientProxy.java:136)
... 56 more
Caused by: java.lang.NullPointerException
at weblogic.net.http.HttpURLConnection.getInputStream(HttpURLConnection.java:459)
at weblogic.net.http.SOAPHttpsURLConnection.getInputStream(SOAPHttpsURLConnection.java:37)
at weblogic.net.http.HttpURLConnection.getResponseCode(HttpURLConnection.java:1038)
at org.apache.cxf.transport.http.URLConnectionHTTPConduit$URLConnectionWrappedOutputStream.getResponseCode(URLConnectionHTTPConduit.java:266)
at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.doProcessResponseCode(HTTPConduit.java:1550)
at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponseInternal(HTTPConduit.java:1579)
at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponse(HTTPConduit.java:1520)
at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1317)
... 66 more
如果需要提供更多信息，只需询问，
非常感谢您对解决此问题的任何帮助，
重新启动托管服务器可以“解决”该问题，但在生产中这不是选择......
TIME_WAIT 设置为 1（15 秒），因此没有解决方案......
年代。
答案1
这似乎是该版本 CXF 中的一个错误（我尝试过，发现 3.0.4 和 3.0.12 中都有这个问题）。将 CXF 降级到 2.6.2 解决了这个问题。（我还没有在 3.1.x 版本中尝试过。）