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From "Andrey Adamovich (Updated) (JIRA)" <axis-...@ws.apache.org>
Subject [jira] [Updated] (AXIS-2647) 100% CPU hang in TypeDesc.java:313
Date Wed, 07 Mar 2012 11:46:58 GMT

     [ https://issues.apache.org/jira/browse/AXIS-2647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrey Adamovich updated AXIS-2647:
-----------------------------------

    Attachment: TypeDesc.java

This is the file we used to patch our version of axis.
                
> 100% CPU hang in TypeDesc.java:313
> ----------------------------------
>
>                 Key: AXIS-2647
>                 URL: https://issues.apache.org/jira/browse/AXIS-2647
>             Project: Axis
>          Issue Type: Bug
>          Components: Serialization/Deserialization
>    Affects Versions: 1.4
>         Environment: JDK 1.5.0_10 AMD64
> RHEL4 x64
>            Reporter: Patrick Eger
>            Priority: Critical
>         Attachments: TypeDesc.java
>
>
> Basically we have a bunch of threads stuck within Axis consuming 100% of our CPU. This
appears to be during deserialization of a response (from EBay API in this instance). My best
guess would be some sort of thread-unsafe modification to the HashMap used by getFieldNameForElement(),
resulting in a corrupted internal HashMap state and thusly infinite looping.
> ----------------------------------------------------------
> Name: http-8080-Processor51
> State: RUNNABLE
> Total blocked: 52  Total waited: 1,995
> Stack trace: 
> java.util.HashMap.get(HashMap.java:346)
> org.apache.axis.description.TypeDesc.getFieldNameForElement(TypeDesc.java:313)
> org.apache.axis.encoding.ser.BeanDeserializer.onStartChild(BeanDeserializer.java:197)
> org.apache.axis.encoding.DeserializationContext.startElement(DeserializationContext.java:1035)
> org.apache.axis.message.SAX2EventRecorder.replay(SAX2EventRecorder.java:165)
> org.apache.axis.message.MessageElement.publishToHandler(MessageElement.java:1141)
> org.apache.axis.message.RPCElement.deserialize(RPCElement.java:236)
> org.apache.axis.message.RPCElement.getParams(RPCElement.java:384)
> org.apache.axis.client.Call.invoke(Call.java:2467)
> org.apache.axis.client.Call.invoke(Call.java:2366)
> org.apache.axis.client.Call.invoke(Call.java:1812)
> com.automotive.app.content.ebay.api.EBayAPISoapBindingStub.getItem(EBayAPISoapBindingStub.java:7962)
> .....
> Name: http-8080-Processor25
> State: RUNNABLE
> Total blocked: 295  Total waited: 10,588
> Stack trace: 
> java.util.HashMap.get(HashMap.java:346)
> org.apache.axis.description.TypeDesc.getFieldNameForElement(TypeDesc.java:313)
> org.apache.axis.encoding.ser.BeanDeserializer.onStartChild(BeanDeserializer.java:197)
> org.apache.axis.encoding.DeserializationContext.startElement(DeserializationContext.java:1035)
> org.apache.axis.message.SAX2EventRecorder.replay(SAX2EventRecorder.java:165)
> org.apache.axis.message.MessageElement.publishToHandler(MessageElement.java:1141)
> org.apache.axis.message.RPCElement.deserialize(RPCElement.java:236)
> org.apache.axis.message.RPCElement.getParams(RPCElement.java:384)
> org.apache.axis.client.Call.invoke(Call.java:2467)
> org.apache.axis.client.Call.invoke(Call.java:2366)
> org.apache.axis.client.Call.invoke(Call.java:1812)
> com.automotive.app.content.ebay.api.EBayAPISoapBindingStub.getItem(EBayAPISoapBindingStub.java:7962)
> .....

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