Prevent StackOverflowError when deploying on Websphere 6.1
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Key: ODE-529
URL: https://issues.apache.org/jira/browse/ODE-529
Project: ODE
Issue Type: Improvement
Affects Versions: 1.2
Reporter: Gary McWilliams
There is "potential" for a loop condition (leading to a StackOverflowError) on
WAS 6.1. I present here the results of finding through working with IBM on this
issue. Our client did suffer from the StackOverflowError, but I resolved that
by modifying the Axis-2 code
(https://issues.apache.org/jira/browse/AXIS2-3791). However it could also be
caused by an ODE issue rather than an Axis2 issue:
The class hierarchy is
ODEAxisServlet extends AxisServlet extends HttpServlet which extends Generic
servlet.
ODEAxisServlet implements init(config) which calls super.init(config) This
resolves to AxisServlet init(config) which calls super.init(config) This
resolves to GenericServlet init(config) which calls init() AxisServlet
implements init(), but ODEAxisServlet does not, so this resolves to AxisServlet
init() which calls init(config) ODEAxisServlet implements init(config) so this
resolves to that method and the loop starts.
Given that GenericServlet has always been implemented like this without any
issues reported the real problem appears to be in AxisServlet because its init
method calls init(config). However the easiest fix may be for ODEAxisServlet to
implement an empty init() method.
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