Rajesh created AXIS2-5777:
-----------------------------
Summary: AxisConfiguration is NULL
Key: AXIS2-5777
URL: https://issues.apache.org/jira/browse/AXIS2-5777
Project: Axis2
Issue Type: Bug
Components: kernel
Affects Versions: 1.7.2
Reporter: Rajesh
Hi,
Am using the axis2 1.7.2
I have deployed the axis2.war in the tomcat and started the service. The
StockQuoteService can be listened via the below url
http://localhost:8080/axis2/services/StockQuoteService
I have created a client to request that service (Attached the complete project
zip).
To trigger multiple requests, I have invoked the client call method in the For
loop from main method
To avoid creating the multiple connections, am caching the http client and
reusing it.
When I run the program with this setup, around 46 requests are executed
successfully and returning the response. After that NPE in thrown.
After investigating about it, found that the JVM is expelling the ServiceClient
object
==========================================================
ServiceClient.java
==========================================================
protected void finalize() throws Throwable {
try {
cleanup();
} finally {
super.finalize();
}
}
public void cleanup() throws AxisFault {
// if a configuration context was created for this client there'll also
// be a service group, so discard that
if (!createConfigCtx) {
String serviceGroupName =
axisService.getAxisServiceGroup().getServiceGroupName();
AxisConfiguration axisConfiguration =
configContext.getAxisConfiguration();
AxisServiceGroup asg =
axisConfiguration.getServiceGroup(serviceGroupName);
if ((asg != null) && removeAxisService) {
axisConfiguration.removeServiceGroup(serviceGroupName);
}
} else {
configContext.terminate();
}
}
==========================================================
When the finalize method is called, it is invoking the cleaup method which
again calls the terminate method of ConfigurationContext. Because of this
AxisConfiguration in the ConfigurationContext is becoming NULL.
Once this cleanup is done, the subsequent requests are not able to process
due to empty AxisConfiguration returned from ConfigurationContext.
This whole issue is due to reusing the HttpClient. When the HttpClient is not
reused, this error is not thrown.
But as per our project requirement, we will be getting multiple requests from
the end user and we need to reuse the HttpClient.
Kindly advice at the earliest, as we are facing this issue in the production
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