[jboss-remoting-issues] [JBoss JIRA] Created: (JBREM-979) Add invocation retry facility to http transport

[Ron Sigal (JIRA)]

Add invocation retry facility to http transport
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                 Key: JBREM-979
                 URL: http://jira.jboss.com/jira/browse/JBREM-979
             Project: JBoss Remoting
          Issue Type: Feature Request
      Security Level: Public (Everyone can see)
    Affects Versions: 2.4.0.CR2
            Reporter: Ron Sigal
         Assigned To: Ron Sigal
             Fix For: 2.4.0.GA


The test org.jboss.test.remoting.transport.http.keep_alive.StressHTTPInvokerTestCase is failing occasionally with 

testPostInvocation(org.jboss.test.remoting.transport.http.keep_alive.StressHTTPInvokerTestClient)java.lang.Exception: org.jboss.remoting.CannotConnectException: Can not connect http client invoker.
	at org.jboss.test.remoting.transport.web.WebInvokerTestClient.testPostInvocationSub(WebInvokerTestClient.java:153)
	at org.jboss.test.remoting.transport.web.WebInvokerTestClient.testPostInvocation(WebInvokerTestClient.java:54)
	at org.jboss.test.remoting.transport.http.keep_alive.StressHTTPInvokerTestClient.testPostInvocation(StressHTTPInvokerTestClient.java:55)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at org.jboss.jrunit.harness.ServerTestHarness.executeTestSuite(ServerTestHarness.java:302)
	at org.jboss.jrunit.harness.ServerTestHarness.access$000(ServerTestHarness.java:51)
	at org.jboss.jrunit.harness.ServerTestHarness$2.run(ServerTestHarness.java:225)
Caused by: org.jboss.remoting.CannotConnectException: Can not connect http client invoker.
	at org.jboss.remoting.transport.http.HTTPClientInvoker.useHttpURLConnection(HTTPClientInvoker.java:346)
	at org.jboss.remoting.transport.http.HTTPClientInvoker.transport(HTTPClientInvoker.java:146)
	at org.jboss.remoting.MicroRemoteClientInvoker.invoke(MicroRemoteClientInvoker.java:177)
	at org.jboss.remoting.Client.invoke(Client.java:1708)
	at org.jboss.remoting.Client.invoke(Client.java:612)
	at org.jboss.test.remoting.transport.web.WebInvokerTestClient.makeExceptionInvocation(WebInvokerTestClient.java:215)
	at org.jboss.test.remoting.transport.web.WebInvokerTestClient.testPostInvocationSub(WebInvokerTestClient.java:148)
	... 20 more
Caused by: java.io.IOException: Stream closed.
	at java.net.PlainSocketImpl.available(PlainSocketImpl.java:428)
	at java.net.SocketInputStream.available(SocketInputStream.java:217)
	at java.io.BufferedInputStream.read(BufferedInputStream.java:321)
	at sun.net.www.MeteredStream.read(MeteredStream.java:116)
	at java.io.FilterInputStream.read(FilterInputStream.java:111)
	at sun.net.www.protocol.http.HttpURLConnection$HttpInputStream.read(HttpURLConnection.java:2196)
	at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
	at java.io.BufferedInputStream.read1(BufferedInputStream.java:256)
	at java.io.BufferedInputStream.read(BufferedInputStream.java:313)
	at java.io.ObjectInputStream$PeekInputStream.read(ObjectInputStream.java:2213)
	at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2226)
	at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2694)
	at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:761)
	at java.io.ObjectInputStream.<init>(ObjectInputStream.java:277)
	at org.jboss.remoting.loading.ObjectInputStreamWithClassLoader.<init>(ObjectInputStreamWithClassLoader.java:98)
	at org.jboss.remoting.serialization.impl.java.JavaSerializationManager.createInput(JavaSerializationManager.java:54)
	at org.jboss.remoting.marshal.serializable.SerializableUnMarshaller.getMarshallingStream(SerializableUnMarshaller.java:75)
	at org.jboss.remoting.marshal.serializable.SerializableUnMarshaller.read(SerializableUnMarshaller.java:122)
	at org.jboss.remoting.marshal.http.HTTPUnMarshaller.read(HTTPUnMarshaller.java:71)
	at org.jboss.remoting.transport.http.HTTPClientInvoker.readResponse(HTTPClientInvoker.java:496)
	at org.jboss.remoting.transport.http.HTTPClientInvoker.useHttpURLConnection(HTTPClientInvoker.java:317)
	... 26 more

It looks like the HttpURLConnection has returned a cached connection, the HTTPClientInvoker writes the invocation, and then it turns out that the server has closed the connection.  It would be useful to add a retry facility parallel to the one in the socket transport.

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