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Manish,
On 6/22/15 12:40 PM, Nabusg Tomcat wrote:
> Apache HTTPD version 2.4.10 Tomcat version apache-tomcat-7.0.61
> Ubuntu 12.04.5 16G RAM Dual Core processor 64-bit
>
>
> Lately I am noticing that the request parameters are present when
> the request hits Apache, but are dropped when request reaches
> tomcat.
>
> for e.g /secure/myprog.cgi?username=user1&masteraccount=master1
> (logged in Apache), however tomcat rejects the request as
> request.getParameter("username") can not be null. I have been
> running the same code for ages and now I am noticing this. This is
> happening to roughly 1% of the requests.
>
> Following is my Apache config
>
> APACHE StartServers 15 APACHE MinSpareThreads
> 25 APACHE MaxSpareThreads 75 APACHE ThreadLimit
> 512 APACHE ThreadsPerChild 32 APACHE
> MaxRequestWorkers 2048 APACHE MaxConnectionsPerChild
> 2048 APACHE AsyncRequestWorkerFactor 3 APACHE ServerLimit 64
>
> And this is my tomcat settings
>
> TOMCAT protocol="AJP/1.3" TOMCAT packetSize="32000" TOMCAT
> maxThreads="800" TOMCAT processorCache="800" TOMCAT
> acceptCount="300" TOMCAT acceptorThreadCount="2" TOMCAT
> minSpareThreads="80" TOMCAT maxSpareThreads="160" TOMCAT
> maxKeepAliveRequests="-1" TOMCAT maxConnections="8192" TOMCAT
> connectionTimeout="360000" TOMCAT compression="on" TOMCAT
> compressableMimeType="text/html,text/xml,text/plain" TOMCAT
> redirectPort="8443"
>
> Worker.properties config
>
> worker.ajp_myhost.port=8009 worker.ajp_myhost.host=localhost
> worker.ajp_myhost.type=ajp13 worker.ajp_myhost.retries=3
> worker.ajp_myhost.recovery_options=27
> worker.ajp_myhost.retry_interval=300
> worker.ajp_myhost.reply_timeout=20000
> worker.ajp_myhost.max_packet_size=32000
> worker.ajp_myhost.socket_timeout=360
> worker.ajp_myhost.socket_connect_timeout=360000
> worker.ajp_myhost.connection_pool_timeout=360
>
>
>
> Can someone please help me with 2 things.
>
> 1. Has anyone noticed request parameters dropping in transit ? 2.
> Help with fine tuning my Apache/Tomcat/mod_jk configs. During peak
> the server will be handling 50 req/seconds.
>
> Please let me know if you need anymore details.
What version of mod_jk are you using?
- -chris
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