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https://issues.apache.org/jira/browse/RAMPART-427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Lazarski reassigned RAMPART-427:
---------------------------------------
Assignee: Robert Lazarski
> First requests to secured service are failing with "The CLIENT_SIDE parameter
> is already locked and the value cannot be overridden" error in multi-thread
> execution.
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: RAMPART-427
> URL: https://issues.apache.org/jira/browse/RAMPART-427
> Project: Rampart
> Issue Type: Bug
> Components: rampart-core
> Reporter: Todor Mazgalov
> Assignee: Robert Lazarski
> Priority: Major
> Labels: Patch
> Fix For: 2.0.0
>
> Attachments:
> rampart-core-add-synchronization-for-CLIENT_SIDE-parameter.patch,
> rampart-integration-test-testMultiThreadServiceCall.patch
>
>
> First requests to the RampartMessageData in multi-thread execution are
> failing with error for already locked parameter. This occurs when more than
> one thread is trying to set CLIENT_SIDE param to the service, the first
> thread locks the parameter during the addition and the rest cannot override
> it because it's already locked. I'm providing a patch with test which proves
> that when threads are more than one a race condition is available during the
> execution and due to this condition the defect is hard to be reproduced every
> time. In practise it is failing about 3-4 times for 100 runs (based onto my
> machine).
> {quote}
> {{monospaced}}
> org.apache.axis2.AxisFault: Error in extracting message properties
> at
> org.apache.rampart.handler.RampartSender.invoke(RampartSender.java:76)
> at org.apache.axis2.engine.Phase.invokeHandler(Phase.java:335)
> at org.apache.axis2.engine.Phase.invoke(Phase.java:308)
> at org.apache.axis2.engine.AxisEngine.invoke(AxisEngine.java:250)
> at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:415)
> at
> org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:399)
> at
> org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:225)
> at
> org.apache.axis2.client.OperationClient.execute(OperationClient.java:150)
> at
> org.apache.axis2.client.ServiceClient.sendRobust(ServiceClient.java:453)
> at
> org.apache.axis2.client.ServiceClient.sendRobust(ServiceClient.java:434)
> at org.apache.rampart.RampartTest$1.run(RampartTest.java:347)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:744)
> Caused by: org.apache.rampart.RampartException: Error in extracting message
> properties
> at
> org.apache.rampart.RampartMessageData.<init>(RampartMessageData.java:381)
> at org.apache.rampart.MessageBuilder.build(MessageBuilder.java:61)
> at
> org.apache.rampart.handler.RampartSender.invoke(RampartSender.java:65)
> ... 13 more
> Caused by: org.apache.axis2.AxisFault: The CLIENT_SIDE parameter is already
> locked and the value cannot be overridden.
> at
> org.apache.axis2.description.AxisDescription.addParameter(AxisDescription.java:104)
> at
> org.apache.rampart.RampartMessageData.<init>(RampartMessageData.java:197)
> ... 15 more
> org.apache.axis2.AxisFault: Error in extracting message properties
> at
> org.apache.rampart.handler.RampartSender.invoke(RampartSender.java:76)
> at org.apache.axis2.engine.Phase.invokeHandler(Phase.java:335)
> at org.apache.axis2.engine.Phase.invoke(Phase.java:308)
> at org.apache.axis2.engine.AxisEngine.invoke(AxisEngine.java:250)
> at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:415)
> at
> org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:399)
> at
> org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:225)
> at
> org.apache.axis2.client.OperationClient.execute(OperationClient.java:150)
> at
> org.apache.axis2.client.ServiceClient.sendRobust(ServiceClient.java:453)
> at
> org.apache.axis2.client.ServiceClient.sendRobust(ServiceClient.java:434)
> at org.apache.rampart.RampartTest$1.run(RampartTest.java:347)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:744)
> Caused by: org.apache.rampart.RampartException: Error in extracting message
> properties
> at
> org.apache.rampart.RampartMessageData.<init>(RampartMessageData.java:381)
> at org.apache.rampart.MessageBuilder.build(MessageBuilder.java:61)
> at
> org.apache.rampart.handler.RampartSender.invoke(RampartSender.java:65)
> ... 13 more
> Caused by: org.apache.axis2.AxisFault: The CLIENT_SIDE parameter is already
> locked and the value cannot be overridden.
> at
> org.apache.axis2.description.AxisDescription.addParameter(AxisDescription.java:104)
> at
> org.apache.rampart.RampartMessageData.<init>(RampartMessageData.java:197)
> ... 15 more
> {{monospaced}}
> {quote}
> One possible solution is to be used some synchronization mechanism when the
> parameter is being locked, I'm attaching a patch which uses "synchronized"
> block by static object (I suppose that an another synchronization mechanism
> also can be used). I am not sure whether this parameter really should be set
> per service and if it is not then a synchronization will not be need because
> the parameter will not be created for every call but this can be answered in
> the best way by the Rampart developers.
> rampart-core
> org.apache.rampart.RampartMessageData.java
> {code}
> ...
> if (axisService != null && axisService.getParameter(PARAM_CLIENT_SIDE) !=
> null) {
> this.isInitiator = true; //<---- After the addition of the parameter
> the rest of the threads enter here
> } else {
> this.isInitiator = !msgCtx.isServerSide();
> // TODO if Axis Service is null at this point, do we have to
> // create a dummy one ??
> if (this.isInitiator && axisService != null) {
> Parameter clientSideParam = new Parameter(); //<---- Two or
> more threads enter here because the parameter is still not set
> clientSideParam.setName(PARAM_CLIENT_SIDE);
> clientSideParam.setLocked(true); //<---- Parameter is being
> locked
> msgCtx.getAxisService().addParameter(clientSideParam); //<----
> Threads are trying to add the parameter more than once and an exception is
> generated
> }
> }
> ...
> {code}
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