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  • httpinvokers intermittant errors

    I run a client server app where the client is swing and the server is a spring/tomcat http invoker solution. Occasionally, I get these connection errors on the client side and I was wondering if someone might be able to suggest why. The internet always seems to be fine when they occur. I have a huge timeout value for my httpinvokers:
    Code:
     <bean id="aServiceInterceptor"
              class="org.springframework.remoting.httpinvoker.HttpInvokerClientInterceptor">
            <property name="serviceUrl">
                <value>https://x.x.x.x:8443/myservice/services/aService</value>
            </property>
            <property name="remoteInvocationFactory" ref="remoteInvocationFactory"/>
            <property name="httpInvokerRequestExecutor">
                <bean class="org.springframework.remoting.httpinvoker.CommonsHttpInvokerRequestExecutor">
                    <property name="readTimeout" value="2000000"/>
                </bean>
    
            </property>
        </bean>
    The errors look like so:

    Code:
    org.springframework.scheduling.quartz.JobMethodInvocationFailedException: Invocation of method 'loadEventsFromServerToClient' on target class [class com.mbs.is.util.event.applicationevent.MassQueueServerEventsToClient] failed; nested exception is org.springframework.remoting.RemoteAccessException: Could not access HTTP invoker remote service at [https://x.x.x.x:8443/myservice/services/aService]; nested exception is java.net.SocketException: Connection reset
    
    	at org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean$MethodInvokingJob.executeInternal(MethodInvokingJobDetailFactoryBean.java:269)
    
    	at org.springframework.scheduling.quartz.QuartzJobBean.execute(QuartzJobBean.java:86)
    
    	at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
    
    	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:529)
    
    Caused by: org.springframework.remoting.RemoteAccessException: Could not access HTTP invoker remote service at [https://x.x.x.x:8443/myservice/services/aService]; nested exception is java.net.SocketException: Connection reset
    
    	at org.springframework.remoting.httpinvoker.HttpInvokerClientInterceptor.convertHttpInvokerAccessException(HttpInvokerClientInterceptor.java:211)
    
    	at org.springframework.remoting.httpinvoker.HttpInvokerClientInterceptor.invoke(HttpInvokerClientInterceptor.java:144)
    
    	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
    
    	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
    
    	at $Proxy0.getClientApplicationEvents(Unknown Source)
    
    	at com.mbs.is.util.event.applicationevent.MassQueueServerEventsToClient.loadEventsFromServerToClient(MassQueueServerEventsToClient.java:31)
    
    	at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source)
    
    	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    
    	at java.lang.reflect.Method.invoke(Unknown Source)
    
    	at org.springframework.util.MethodInvoker.invoke(MethodInvoker.java:276)
    
    	at org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean$MethodInvokingJob.executeInternal(MethodInvokingJobDetailFactoryBean.java:260)
    
    	... 3 more
    
    Caused by: java.net.SocketException: Connection reset
    
    	at java.net.SocketInputStream.read(Unknown Source)
    
    	at com.sun.net.ssl.internal.ssl.InputRecord.readFully(Unknown Source)
    
    	at com.sun.net.ssl.internal.ssl.InputRecord.readV3Record(Unknown Source)
    
    	at com.sun.net.ssl.internal.ssl.InputRecord.read(Unknown Source)
    
    	at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(Unknown Source)
    
    	at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readDataRecord(Unknown Source)
    
    	at com.sun.net.ssl.internal.ssl.AppInputStream.read(Unknown Source)
    
    	at java.io.BufferedInputStream.fill(Unknown Source)
    
    	at java.io.BufferedInputStream.read(Unknown Source)
    
    	at org.apache.commons.httpclient.HttpParser.readRawLine(HttpParser.java:77)
    
    	at org.apache.commons.httpclient.HttpParser.readLine(HttpParser.java:105)
    
    	at org.apache.commons.httpclient.HttpConnection.readLine(HttpConnection.java:1115)
    
    	at org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$HttpConnectionAdapter.readLine(MultiThreadedHttpConnectionManager.java:1373)
    
    	at org.apache.commons.httpclient.HttpMethodBase.readStatusLine(HttpMethodBase.java:1832)
    
    	at org.apache.commons.httpclient.HttpMethodBase.readResponse(HttpMethodBase.java:1590)
    
    	at org.apache.commons.httpclient.HttpMethodBase.execute(HttpMethodBase.java:995)
    
    	at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:397)
    
    	at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:170)
    
    	at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:396)
    
    	at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:324)
    
    	at org.springframework.remoting.httpinvoker.CommonsHttpInvokerRequestExecutor.executePostMethod(CommonsHttpInvokerRequestExecutor.java:195)
    
    	at org.springframework.remoting.httpinvoker.CommonsHttpInvokerRequestExecutor.doExecuteRequest(CommonsHttpInvokerRequestExecutor.java:129)
    
    	at org.springframework.remoting.httpinvoker.AbstractHttpInvokerRequestExecutor.executeRequest(AbstractHttpInvokerRequestExecutor.java:136)
    
    	at org.springframework.remoting.httpinvoker.HttpInvokerClientInterceptor.executeRequest(HttpInvokerClientInterceptor.java:191)
    
    	at org.springframework.remoting.httpinvoker.HttpInvokerClientInterceptor.executeRequest(HttpInvokerClientInterceptor.java:173)
    
    	at org.springframework.remoting.httpinvoker.HttpInvokerClientInterceptor.invoke(HttpInvokerClientInterceptor.java:141)
    
    	... 12 more
    or occasionally they look like so:


    Code:
    com.mbs.is.view.swing.client.logging.ClientFailureException: org.springframework.remoting.RemoteAccessException: Could not access HTTP invoker remote service at [https://x.x.x.x:8443/myservice/services/aService]; nested exception is javax.net.ssl.SSLException: Connection has been shutdown: javax.net.ssl.SSLException: SSL peer shut down incorrectly
    
    com.mbs.is.view.swing.client.logging.ConvertErrorsToClientExceptions.afterThrowing(ConvertErrorsToClientExceptions.java:73)
    
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    
    sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    
    sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    
    java.lang.reflect.Method.invoke(Unknown Source)
    
    org.springframework.aop.framework.adapter.ThrowsAdviceInterceptor.invokeHandlerMethod(ThrowsAdviceInterceptor.java:146)
    
    org.springframework.aop.framework.adapter.ThrowsAdviceInterceptor.invoke(ThrowsAdviceInterceptor.java:131)
    
    org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
    
    com.mbs.is.util.event.applicationevent.CompanyEventApplicationMethodInterceptorEventFirer.invoke(CompanyEventApplicationMethodInterceptorEventFirer.java:44)
    
    org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
    
    com.mbs.is.util.event.applicationevent.CompanyEventApplicationMethodInterceptorEventFirer.invoke(CompanyEventApplicationMethodInterceptorEventFirer.java:44)
    
    org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
    
    org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
    
    $Proxy21.importServiceLineData(Unknown Source)
    
    com.mbs.is.view.swing.importdata.importers.ServiceLineImport.run(ServiceLineImport.java:325)
    
    java.lang.Thread.run(Unknown Source)
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