Same Servlet/JSP is executing again and again

          Hello,
          We have some JSPs which do a lot of processing and is 'alive' for a long period
          of time. If we use the JSP with small amouts of data, it is fine. But when we
          use the JSP with lot of data, it seems to 'go in a loop'.
          It is processing the data again and again and again and brings down our server.
          We do not think it is the code that is wrong - as it processes perfectly if the
          data is small or when our server is not busy. This problem happens if the data
          is lot and the server is also busy. The JSP seems to be executing again and again.
          Is there some type of 'refresh' logic in weblogic that refreshes the JSP/servlet
          and makes it 'execute' again and again.
          We are using WL 6.1
          Thanks,
          Oleg.

there is no refresh logic in wls unless u specify it.
          please check the code for any "refresh"ing the page
          SP
          "Oleg" <[email protected]> wrote in message
          news:[email protected]..
          >
          > Hello,
          > We have some JSPs which do a lot of processing and is 'alive' for a long
          period
          > of time. If we use the JSP with small amouts of data, it is fine. But
          when we
          > use the JSP with lot of data, it seems to 'go in a loop'.
          > It is processing the data again and again and again and brings down our
          server.
          > We do not think it is the code that is wrong - as it processes perfectly
          if the
          > data is small or when our server is not busy. This problem happens if the
          data
          > is lot and the server is also busy. The JSP seems to be executing again
          and again.
          >
          > Is there some type of 'refresh' logic in weblogic that refreshes the
          JSP/servlet
          > and makes it 'execute' again and again.
          > We are using WL 6.1
          >
          > Thanks,
          > Oleg.

Similar Messages

Same JSP/Servlet is executing again and again

Hello,
We have some JSPs which do a lot of processing and is 'alive' for a long period
of time. If we use the JSP with small amouts of data, it is fine. But when we
use the JSP with lot of data, it seems to 'go in a loop'.
It is processing the data again and again and again and brings down our server.
We do not think it is the code that is wrong - as it processes perfectly if the
data is small or when our server is not busy. This problem happens if the data
is lot and the server is also busy. The JSP seems to be executing again and again.
Is there some type of 'refresh' logic in weblogic that refreshes the JSP/servlet
and makes it 'execute' again and again.
We are using WL 6.1
Thanks,
Oleg.

Hi Oleg,
Could you tell us how you find out that there is an additional request?
Regards,
Slava Imeshev
"Oleg" <[email protected]> wrote in message
news:[email protected]...
>
Thank you Varad and Slava,
We don't use plagin for iplanet,
but our problem is very similar:
Weblogic generate additional request if the previous request toservlet/jsp is
taking long time.
Where I can configure JSP timeout to fix this problem?
Thank you very much.
Oleg.
"Varadharajan" <[email protected]> wrote:
Hi Oleg,
Are you using weblogic plugin for iplanet webserver ?
In weblogic server 6.1 sp3 there is a problem with this plugin. It would
generate
additional request if the previous request to servlet/jsp is taking more
than
the configurable timeout set in the obj.conf file of iplanet webserver.
This plugin problem is fixed in wls6.1 sp4.
Rgds,
Varad
"Slava Imeshev" <[email protected]> wrote:
Hi Oleg,
See my answers inline.
"Oleg" <[email protected]> wrote in message
news:[email protected]...
Hello,
We have some JSPs which do a lot of processing and is 'alive' for
a
long
period
of time. If we use the JSP with small amouts of data, it is fine.But
when we
use the JSP with lot of data, it seems to 'go in a loop'.I guess you need to figure out if "seems" really "does".
It is processing the data again and again and again and brings downour
server.
How do you know that a JSP goes into a loop?
We do not think it is the code that is wrong - as it processes
perfectly
if the
data is small or when our server is not busy. This problem happensif the
data
is lot and the server is also busy. The JSP seems to be executingagain
and again.
What load is considered to be high/low for you
application? Are you running a load test?
Is there some type of 'refresh' logic in weblogic that refreshes
the
JSP/servlet
and makes it 'execute' again and again.Normally Servlet/JSP enters service() method when
there is an incoming request. It should not be happening
at JSP's will.
Regards,
Slava Imeshev

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