https://issues.apache.org/bugzilla/show_bug.cgi?id=48959
Summary: Tomcat looses request parameters
Product: Tomcat 6
Version: 6.0.20
Platform: PC
OS/Version: All
Status: NEW
Severity: major
Priority: P2
Component: Catalina
AssignedTo: dev@tomcat.apache.org
ReportedBy: fabi...@convertigo.com
Hi all,
This issue is probably related to the bug #40860.
I have a webapp with lots of servlets.
When I try to heavy load my webapp, sometimes the request.getParameter()
function returns null values, meaning that the request object has not correctly
parsed the HTTP request.
I ran Tomcat in eclipse in debug mode, and then I noticed that when the issue
occurs, the request object has not been recycled. That's probably why all my
HTTP parameters are lost.
When I encounter such cases, all my next Tomcat calls (JSP and servlets from
all webapps) may be impacted and may received a non recycled request object.
But the issue is not so frequent.
I have created a JMeter script in order to reproduced the issue. And I call
only a very simple JSP (that only output the input parameters), the problem
isnot reproductible. But if I mix the JSP call with call to my webapp servlets,
I manage to reproduce the issue relatively easily.
Do you have any suggestion about the reason of such a behavior? Maybe I do
something wrong in my servlets that could cause the non recycling of request
objects?
Unfortunately I haven't a good testcase in order to reproduce the issue. The
ony thing I can tell is that it appears in case of heavy load.
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