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https://issues.apache.org/jira/browse/AXIS-2853?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13452913#comment-13452913
]
Andreas Veithen commented on AXIS-2853:
---------------------------------------
The stack trace indicates that the NPE occurs at the following line in the
valueComplete method:
public void valueComplete() throws SAXException
{
if (componentsReady()) {
if (targets != null) {
for (int i = 0; i < targets.size(); i++) { <====
Target target = (Target) targets.get(i);
target.set(value);
if (debugEnabled) {
log.debug(Messages.getMessage("setValueInTarget00",
"" + value, "" +
target));
}
}
// Don't need targets any more, so clear them
removeValueTargets();
}
}
}
That indeed suggests a concurrency issue.
> NullPointerException while Deserializing in Axis 1.4 - Intermittent
> -------------------------------------------------------------------
>
> Key: AXIS-2853
> URL: https://issues.apache.org/jira/browse/AXIS-2853
> Project: Axis
> Issue Type: Bug
> Components: Serialization/Deserialization
> Affects Versions: 1.4
> Reporter: Raghavendra S
>
> We are getting the following Axis fault message intermittently, we see this
> issue mainly when multiple requests are hitting the same server, we could say
> concurrent requests (Multithreaded as well)
> AxisFault
> faultCode: {http://schemas.xmlsoap.org/soap/envelope/}Server.userException
> faultSubcode:
> faultString: java.lang.NullPointerException
> faultActor:
> faultNode:
> faultDetail:
> {http://xml.apache.org/axis/}stackTrace:java.lang.NullPointerException
> at
> org.apache.axis.encoding.DeserializerImpl.valueComplete(DeserializerImpl.java:247)
> at
> org.apache.axis.encoding.DeserializerImpl.endElement(DeserializerImpl.java:509)
> at
> org.apache.axis.encoding.DeserializationContext.endElement(DeserializationContext.java:1087)
> at
> org.apache.axis.message.SAX2EventRecorder.replay(SAX2EventRecorder.java:171)
> at
> org.apache.axis.message.MessageElement.publishToHandler(MessageElement.java:1141)
> at org.apache.axis.message.RPCElement.deserialize(RPCElement.java:236)
> at org.apache.axis.message.RPCElement.getParams(RPCElement.java:384)
> at org.apache.axis.client.Call.invoke(Call.java:2467)
> at org.apache.axis.client.Call.invoke(Call.java:2366)
> at org.apache.axis.client.Call.invoke(Call.java:1812)
> Axis Version : 1.4
> Java Version : 1.6.0_16
> Currently we don't have request sent, we are trying to reproduce it to
> capture more details
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