Re: AJP protocol with Apache Tomcat Version 7.0.52

2014-05-26 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Pradeep, On 5/23/14, 2:26 PM, pradeepgm wrote: >> You have a blocking AJP connector (BIO) with maxThreads of 250. >> Therefore that connector can support a maximum of 250 >> connections. You have httpd with MaxClients 1536 and - since AJP >> uses p

Re: AJP protocol with Apache Tomcat Version 7.0.52

2014-05-23 Thread Mark Thomas
On 23/05/2014 19:26, pradeepgm wrote: >> You have a blocking AJP connector (BIO) with maxThreads of 250. >> Therefore that connector can support a maximum of 250 connections. You >> have httpd with MaxClients 1536 and - since AJP uses persistent >> connections - you have httpd trying to create up t

Re: AJP protocol with Apache Tomcat Version 7.0.52

2014-05-23 Thread pradeepgm
> You have a blocking AJP connector (BIO) with maxThreads of 250. > Therefore that connector can support a maximum of 250 connections. You > have httpd with MaxClients 1536 and - since AJP uses persistent > connections - you have httpd trying to create up to 1536 persistent > connections. The first

Re: AJP protocol with Apache Tomcat Version 7.0.52

2014-05-23 Thread Mark Thomas
On 23/05/2014 17:59, Mark Eggers wrote: > In general, it's not a good idea to reference a zip file. Post > information inline without comments, and with sensitive information > obscured (not removed - since that can alter the configuration meaning). +1 Thanks for doing this. >

Re: AJP protocol with Apache Tomcat Version 7.0.52

2014-05-23 Thread Mark Eggers
On 5/23/2014 8:09 AM, pradeepgm wrote: Attached all files here. Just masked the customer domain. conf-files.zip Please note that we have multiple tomcat instances supported by one common apache httpd server. I just added the one (Tom

Re: AJP protocol with Apache Tomcat Version 7.0.52

2014-05-23 Thread pradeepgm
Attached all files here. Just masked the customer domain. conf-files.zip Please note that we have multiple tomcat instances supported by one common apache httpd server. I just added the one (Tomcat 7) which is having this issue (serv

Re: AJP protocol with Apache Tomcat Version 7.0.52

2014-05-23 Thread Mark Thomas
On 23/05/2014 03:42, pradeepgm wrote: > Now we have configured three tomcat instances with below configurations to > test the above issue > > 1. AJP BIO with JkOptions +DisableReuse, connectionTimeout=2, > maxThreads=250, maxConnection=245 > 2. AJP NIO with maxThreads=250, maxConnection=24

Re: AJP protocol with Apache Tomcat Version 7.0.52

2014-05-22 Thread pradeepgm
Now we have configured three tomcat instances with below configurations to test the above issue 1. AJP BIO with JkOptions +DisableReuse, connectionTimeout=2, maxThreads=250, maxConnection=245 2. AJP NIO with maxThreads=250, maxConnection=245, connectionTimeout=2 and bufferSize=4096 3.

Re: AJP protocol with Apache Tomcat Version 7.0.52

2014-05-22 Thread pradeepgm
Yes, we have 300 such threads waiting and after some period of time the server is hung and not responding. We are using AJP BIO with below parameters maxThreads=250 maxConnection=245 -- View this message in context: http://tomcat.10.x6.nabble.com/AJP-protocol-with-Apache-Tomcat-Version-7-0-52

Re: AJP protocol with Apache Tomcat Version 7.0.52

2014-05-22 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Pradeep, On 5/21/14, 5:15 PM, Pradeep Kumar G M wrote: > We are using mod_jk AJP connections will always be "waiting" for data when they are not actively processing a request. You should expect to see all your "idle" threads sitting in this state.

Re: AJP protocol with Apache Tomcat Version 7.0.52

2014-05-22 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Ravi, On 5/21/14, 2:28 AM, ravishankar_d wrote: > Hi Dan, > > We are using apache web server provided along with RHEL.So I > believe we are getting back port fixes. In the threaddump we are > seeing the below long running threads many times.As ment

RE: AJP protocol with Apache Tomcat Version 7.0.52

2014-05-21 Thread Pradeep Kumar G M
We are using mod_jk CAUTION - Disclaimer * This e-mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended solely for the use of the addressee(s). If you are not the intended recipient, please notify the sender by e-mail and delete the original message. Furth

Re: AJP protocol with Apache Tomcat Version 7.0.52

2014-05-21 Thread Daniel Mikusa
On May 21, 2014, at 4:03 PM, pradeepgm wrote: >> At a quick glance it doesn’t seem like it would be problematic, just > reading data. > > The issue is there are 300 such threads waiting > > >> One way to test this is to disable the pooling (i.e. disablereuse=Off or >> JkOptions +DisableRe

Re: AJP protocol with Apache Tomcat Version 7.0.52

2014-05-21 Thread pradeepgm
> At a quick glance it doesn’t seem like it would be problematic, just reading data. The issue is there are 300 such threads waiting > One way to test this is to disable the pooling (i.e. disablereuse=Off or > JkOptions +DisableReuse). If you disable it and you don’t see any more of > th

Re: AJP protocol with Apache Tomcat Version 7.0.52

2014-05-21 Thread Daniel Mikusa
On May 21, 2014, at 2:28 AM, ravishankar_d wrote: > Hi Dan, > > We are using apache web server provided along with RHEL.So I believe we are > getting back port fixes. > In the threaddump we are seeing the below long running threads many times. At a quick glance it doesn’t seem like it would be

Re: AJP protocol with Apache Tomcat Version 7.0.52

2014-05-20 Thread ravishankar_d
Hi Dan, We are using apache web server provided along with RHEL.So I believe we are getting back port fixes. In the threaddump we are seeing the below long running threads many times.As mentioned, we are using AJP(with BIO) and tomacat 7.0.52. I wanted to know if this will cause any issues like sy

Re: AJP protocol with Apache Tomcat Version 7.0.52

2014-05-20 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Daniel, On 5/20/14, 7:24 AM, Daniel Mikusa wrote: > On May 20, 2014, at 5:13 AM, ravishankar_d > wrote: > >> Thanks Mark. >> >> So usage of AJP with BIO for Tomcat Version 7.0.52 should be >> fine. Also is there any requirement to upgrade Apache

Re: AJP protocol with Apache Tomcat Version 7.0.52

2014-05-20 Thread Daniel Mikusa
On May 20, 2014, at 5:13 AM, ravishankar_d wrote: > Thanks Mark. > > So usage of AJP with BIO for Tomcat Version 7.0.52 should be fine. > Also is there any requirement to upgrade Apache webserver from 2.2.3? Requirement? Not to just make it work, but 2.2.3 is incredibly old. Unless you’re usi

Re: AJP protocol with Apache Tomcat Version 7.0.52

2014-05-20 Thread ravishankar_d
Thanks Mark. So usage of AJP with BIO for Tomcat Version 7.0.52 should be fine. Also is there any requirement to upgrade Apache webserver from 2.2.3? Please let us know Regards, Ravi Shankar D.K -- View this message in context: http://tomcat.10.x6.nabble.com/AJP-protocol-with-Apache-Tomcat-V

RE: AJP protocol with Apache Tomcat Version 7.0.52

2014-05-20 Thread ravishankar_d
:21 PM To: Ravi Shankar Durga Krishna Murthy Subject: Re: AJP protocol with Apache Tomcat Version 7.0.52 On 20/05/2014 08:01, ravishankar_d wrote: > Hi, > > we are using Apache Tomcat Version 7.0.52 to deploy our Java based > application. > We have apache web server fronting the T

Re: AJP protocol with Apache Tomcat Version 7.0.52

2014-05-20 Thread Mark Thomas
On 20/05/2014 08:01, ravishankar_d wrote: > Hi, > > we are using Apache Tomcat Version 7.0.52 to deploy our Java based > application. > We have apache web server fronting the Tomcat server.We wanted to know if > there is any issue in using AJP protocol (with BIO).Apache web server > version we are