Hi,
we are running an Axis 1.4 server app inside a JBoss 4.0.2 AS with basically everything disabled but the tomcat. It is quite simple, for every call it
gets some XML from another app running on the same AS, adds the SOAP envelope and returns that.
We test this app with a test client that uses the WSDL2Java autogenerated
client classes and does very frequent requests.
During the test runs from time to time we get the following error:
AxisFault
faultCode: {http://xml.apache.org/axis/}HTTP
faultSubcode:
faultString: (0)null
faultActor:
faultNode:
faultDetail:
{}:return code: 0
{http://xml.apache.org/axis/}HttpErrorCode:0
(0)null
at org.apache.axis.transport.http.HTTPSender.readFromSocket(HTTPSender.java:744)
at org.apache.axis.transport.http.HTTPSender.invoke(HTTPSender.java:144)
at
org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32)
at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118)
at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83)
at org.apache.axis.client.AxisClient.invoke(AxisClient.java:165)
at org.apache.axis.client.Call.invokeEngine(Call.java:2784)
at org.apache.axis.client.Call.invoke(Call.java:2767)
at org.apache.axis.client.Call.invoke(Call.java:2443)
at org.apache.axis.client.Call.invoke(Call.java:2366)
at org.apache.axis.client.Call.invoke(Call.java:1812)
When this happens, it often happens a small number of times during some seconds
and then everything is ok again for one or more hours.
On the server, with Axis logging set to debug for the main package (encoding, util, message set to info) and jboss/tomcat logging set to info, there are
no errors and the requests during that time seem to work like all the others. Also, there is no garbage collection during that time. Only thing I've
noticed is that the requests at that time take a bit longer.
From what I've read of the client code, this error means that the server returned an empty response or only white space, but that does not help me find
the cause.
Only the Jboss + apps is running on that machine, nothing else, not even crons. Its a quad-core AMD64 with 8GB RAM running debian 4.0, the jboss VM has
5GB heap assigned.
Does anybody have an idea what could cause this or what we could do to find /
fix the issue?
thanks,
Andreas Tschritter
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