After reviewing your comments found that in below tags i have not defined
the maxThreads limit in Connector Port 8080. While the same exists with the
connector port 8009. Default limit of maxThreads is 200.
LB is communicating with tomcat on port 8080. I think by increasing
maxThreads limit will help me. What is your take. Is it going to create any
performance issue If i will increase maxThreads to 10000 in connector 8080.
<Connector port="8080" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443" />
<Connector port="8009" protocol="AJP/1.3"
connectionTimeout="20000"
redirectPort="8443" maxThreads="10000"/>
On Tue, Aug 5, 2014 at 2:23 AM, Christopher Schultz <
ch...@christopherschultz.net> wrote:
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> Dhaval,
>
> On 8/4/14, 1:56 PM, Dhaval Jaiswal wrote:
> > <Connector port="8080" protocol="HTTP/1.1"
> > connectionTimeout="20000" redirectPort="8443" />
>
> You need to check the Tomcat configuration guide for the default
> settings that you are getting. It is also pretty clear which
> configuration attributes affect the maximum number of total and
> simultaneous connections, etc.
>
> >
>
>
> >
> >>> if you really have a problem now, or if you are just
> >>> speculating without
> > real facts. If you have a real problem, what is it ? is your Tomcat
> > really refusing browser connections ? if yes, does this happen all
> > the time, or only at specific times ?
> >
> >
> > It happens only at specific time. While trying to hit some api and
> > response did not received in time. For such request I have kept the
> > time out of 100 seconds (that is the requirement). As the first
> > request/thread itself is in waiting mode new incoming
> > request/thread will be very slow and after some time logout issue
> > will occur or it will slow down the performance for other requests
> > and resultant site will be loading very slow. Moreover, it will
> > start throwing below errors. Henceforth, decided to increase
> > incoming connection request. I am not sure whether acceptQueue or
> > some another parameter need to add.
> >
> > Caused by: java.net.SocketTimeoutException: connect timed out at
> > java.net.PlainSocketImpl.socketConnect(Native Method) at
> > java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333) at
> > java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
> >
> >
> at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
> > at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366) at
> > java.net.Socket.connect(Socket.java:519) at
> > sun.reflect.GeneratedMethodAccessor93.invoke(Unknown Source) at
> >
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >
> >
> at java.lang.reflect.Method.invoke(Method.java:597)
>
> This is not enough information: you need to post the whole stack trace.
>
> >>> The browser clients trying to get a connection to Tomcat, or
> >>> the
> > postgres database which you seem to be using for authentication ?
> >
> > We have three tier architect. It will first try to get the
> > connection from web server (haporxy) to tomcat and then to
> > database.
>
> Confusing.
>
> - -chris
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