Question

我尝试使用CXF 3.0.0进行一些外部服务。但是出现了非常奇怪的行为，例如有时工作正常，有时由于附加了堆栈跟踪而失败（它可以在失败之前处理多个请求）。请求正文是相同的。发送请求的代码是相同的。

对此有何建议？

附有一些日志。左侧表示成功，右侧表示请求失败的情况。

org.apache.cxf.binding.soap.SoapFault: Problem writing SAAJ model to stream: connect timed out
        at org.apache.cxf.binding.soap.saaj.SAAJOutInterceptor$SAAJOutEndingInterceptor.handleMessage(SAAJOutInterceptor.java:221)
        at org.apache.cxf.binding.soap.saaj.SAAJOutInterceptor$SAAJOutEndingInterceptor.handleMessage(SAAJOutInterceptor.java:172)
        at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:307)
        at org.apache.cxf.endpoint.ClientImpl.doInvoke(ClientImpl.java:514)
        at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:423)
        at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:326)
        at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:279)
        at org.apache.cxf.frontend.ClientProxy.invokeSync(ClientProxy.java:96)
        at org.apache.cxf.jaxws.JaxWsClientProxy.invoke(JaxWsClientProxy.java:137)
        at com.sun.proxy.$Proxy157.updatePurchaseRequest(Unknown Source)
        at com.j.c.vc.mc.ICS.mCOP(ICS.java:814)
        at com.j.c.vc.mc.ICS.mCOP(ICS.java:81)
        at com.j.c.sru.PCU.updateProvider(PCU.java:164)
        at com.j.c.sru.PCU.updateControls(PCU.java:78)
        at com.j.c.sru.sruMessageReceiver.onMessage(sruMessageReceiver.java:60)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
        at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)
        at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:282)
        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
        at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213)
        at com.sun.proxy.$Proxy113.onMessage(Unknown Source)
        at org.springframework.jms.listener.AbstractMessageListenerContainer.doInvokeListener(AbstractMessageListenerContainer.java:719)
        at org.springframework.jms.listener.AbstractMessageListenerContainer.invokeListener(AbstractMessageListenerContainer.java:679)
        at org.springframework.jms.listener.AbstractMessageListenerContainer.doExecuteListener(AbstractMessageListenerContainer.java:649)
        at org.springframework.jms.listener.AbstractPollingMessageListenerContainer.doReceiveAndExecute(AbstractPollingMessageListenerContainer.java:317)
        at org.springframework.jms.listener.AbstractPollingMessageListenerContainer.receiveAndExecute(AbstractPollingMessageListenerContainer.java:255)
        at org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.invokeListener(DefaultMessageListenerContainer.java:1168)
        at org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.executeOngoingLoop(DefaultMessageListenerContainer.java:1160)
        at org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.run(DefaultMessageListenerContainer.java:1057)
        at java.lang.Thread.run(Thread.java:745)
Caused by: com.ctc.wstx.exc.WstxIOException: connect timed out
        at com.ctc.wstx.sw.BaseNsStreamWriter.doWriteStartTag(BaseNsStreamWriter.java:621)
        at com.ctc.wstx.sw.SimpleNsStreamWriter.writeStartOrEmpty(SimpleNsStreamWriter.java:265)
        at com.ctc.wstx.sw.BaseNsStreamWriter.writeStartElement(BaseNsStreamWriter.java:317)
        at org.apache.cxf.staxutils.StaxUtils.writeStartElement(StaxUtils.java:805)
        at org.apache.cxf.staxutils.StaxUtils.copy(StaxUtils.java:732)
        at org.apache.cxf.staxutils.StaxUtils.copy(StaxUtils.java:696)
        at org.apache.cxf.binding.soap.saaj.SAAJOutInterceptor$SAAJOutEndingInterceptor.handleMessage(SAAJOutInterceptor.java:212)
        ... 36 more
Caused by: java.net.SocketTimeoutException: connect timed out
        at java.net.PlainSocketImpl.socketConnect(Native Method)
        at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
        at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
        at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
        at java.net.Socket.connect(Socket.java:589)
        at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
        at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
        at sun.net.www.http.HttpClient$1.run(HttpClient.java:484)
        at sun.net.www.http.HttpClient$1.run(HttpClient.java:482)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.net.www.http.HttpClient.privilegedOpenServer(HttpClient.java:481)
        at sun.net.www.http.HttpClient.openServer(HttpClient.java:522)
        at sun.net.www.protocol.https.HttpsClient.<init>(HttpsClient.java:264)
        at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367)
        at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191)
        at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1148)
        at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:999)
        at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177)
        at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1283)
        at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1258)
        at sun.net.www.protocol.https.HttpsURLConnectionImpl.getOutputStream(HttpsURLConnectionImpl.java:250)
        at org.apache.cxf.transport.http.URLConnectionHTTPConduit$URLConnectionWrappedOutputStream.setupWrappedStream(URLConnectionHTTPConduit.java:174)
        at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleHeadersTrustCaching(HTTPConduit.java:1302)
        at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.onFirstWrite(HTTPConduit.java:1258)
        at org.apache.cxf.transport.http.URLConnectionHTTPConduit$URLConnectionWrappedOutputStream.onFirstWrite(URLConnectionHTTPConduit.java:201)
        at org.apache.cxf.io.AbstractWrappedOutputStream.write(AbstractWrappedOutputStream.java:47)
        at org.apache.cxf.io.AbstractThresholdOutputStream.write(AbstractThresholdOutputStream.java:69)
        at org.apache.cxf.io.CacheAndWriteOutputStream.write(CacheAndWriteOutputStream.java:80)
        at org.apache.cxf.io.AbstractWrappedOutputStream.write(AbstractWrappedOutputStream.java:51)
        at com.ctc.wstx.io.UTF8Writer.write(UTF8Writer.java:143)
        at com.ctc.wstx.sw.BufferingXmlWriter.flushBuffer(BufferingXmlWriter.java:1405)
        at com.ctc.wstx.sw.BufferingXmlWriter.fastWriteRaw(BufferingXmlWriter.java:1451)
        at com.ctc.wstx.sw.BufferingXmlWriter.writeStartTagStart(BufferingXmlWriter.java:791)
        at com.ctc.wstx.sw.BaseNsStreamWriter.doWriteStartTag(BaseNsStreamWriter.java:616)
        ... 42 more

左-成功。正确-失败。

Answer 1

发现了问题。我们的请求通过代理发生，这些代理服务器在多个数据中心之间进行负载均衡。其中一个数据中心的配置不正确，这就是为什么无法建立连接的原因。然后我们的请求会间歇性地超时。

CXF +问题编写SAAJ模型以进行流处理

1 个答案: