Hi,
I have 3 struts based applications running in Tomcat 4.1.18. I have
deployed them in Red Hat Linux Advanced Server 3.0 platform.
In all my 3 apps, I have implemented the Struts's PlugIn interface for
doing the initialization tasks and configured them in the
struts-config.xml as shown below (for one of the apps):
<plug-in className="org.apache.struts.validator.ValidatorPlugIn">
<set-property
property="pathnames"
value="/WEB-INF/validator-rules.xml,/WEB-INF/validation.xml"/>
</plug-in>
<plug-in className="com.a.b.c.d.e.InitPlugIn">
<set-property property="filepath" value="/config/app.properties"
/>
</plug-in>
In the init(ActionServlet servlet, ModuleConfig config) method of these
plugin classes I create DB connections.
On Windows (2k) platform it works fine. That is the init(.) method is
called once for each app/plugin and the configured number of connections
are created.
But when I deploy them on our target Linux platform the init(.) method
of 2 apps is called 2 times and the other app is called 4 times. I had
some debug statements in the init(.) method of PlugIn class and they
show it is called multiple times.
One more thing I noticed is: I had put a static int variable in the
PlugIn classes and am incrementing it in the constructor and printing
it. Every time the value is printed as 0 (initial value) only and it is
not getting incremented though the plugin is called multiple times.
What must be wrong? Is it a problem with my code? If so I don't
understand how it works fine on Windows. and I am sure there is no other
place where mistakenly the DB connections could be created.
Pl give your ideas on how I can resolve this. Any help will be highly
appreciated.
Thanks in advance,
Uma.
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