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getting gateway timeout while executing a stored procedure via jdbc

progyan das
Greenhorn

Joined: May 01, 2011
Posts: 1
Hi,

I am using a struts2 framework which is basically like:-

ActionClass
execute
{
call function in business class which returns an object and store this object in session
redirect to jsp
}

BusinessClass
function()
{
sysout("start");
call a stored procedure via jdbc //this procedure returns 40 cursors and takes 6,7 mins to execute
call setter methods of object and return object
sysout("end");
}

JSP

The problem is that the procedure is taking a lot of time to execute and after that its called again and again because i am getting the sysouts "start"again and again.Finally,I see a gateway timeout error even adding session timeout in web.xml.If i dont put session timeout in web.xml then its throwing null pointer exception in action class while storing the object in session.Also,This problem is happening only after i deployed the code in unix server.In local,its working fine.I am using Tomcat 6.0 as web container.Can someone please explain why the procedure is called many times even though there is no looping.Is it somehow related to the fact that the procedure is returning 40 cursers.

Regards,
Progyan
Amit ChaudhariC
Ranch Hand

Joined: Aug 06, 2009
Posts: 33
The problem is that the procedure is taking a lot of time to execute


Did you try checking the sp on db directly if it is taking lot of time there as well?

Also,This problem is happening only after i deployed the code in unix server.In local,its working fine

can you please elaborate more on this point?

Can someone please explain why the procedure is called many times even though there is no looping.Is it somehow related to the fact that the procedure is returning 40 cursers


from the code , do you mean to say "start" gets printed many times?

Regards,
Amit
 
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