Cluster session failover question

2010-07-22 Thread Darren Kukulka
Hi Tomcatters, Just a quick question regarding Apache Web Server load balancing down to Tomcat cluster. We have a number of 2-node Tomcat 6.0.20 clusters, all configured as peer to peer pairs, on the same subnet with no real network oddities mesh getting in the way to speak of. Apache M

RE: Tomcat Https loadbalancing??

2009-11-25 Thread Darren Kukulka
We use network appliances that sit above Apache Web Server and takes care of all SSL encryption/decryption. This ensures all border<->client communication is secured whilst traffic within our estate is purely http/ajp. The level of security in our virtual circuits and inter-segment firewalls ensu

RE: FW: Apache Close-Wait issue

2009-10-29 Thread Darren Kukulka
Fair point Andre...will submit this to httpd forum...thanks for the reply -Original Message- From: André Warnier [mailto:a...@ice-sa.com] Sent: 29 October 2009 07:59 To: Tomcat Users List Subject: Re: FW: Apache Close-Wait issue Darren Kukulka wrote: > No one willing to touch this

FW: Apache Close-Wait issue

2009-10-29 Thread Darren Kukulka
No one willing to touch this one? I thought I'd get at least a passing comment...:-( -Original Message- From: Darren Kukulka [mailto:darren.kuku...@connaught.plc.uk] Sent: 27 October 2009 12:14 To: users@tomcat.apache.org Subject: Apache Close-Wait issue Hi All Got an intere

Apache Close-Wait issue

2009-10-27 Thread Darren Kukulka
Hi All Got an interesting problem which has occurred several times now.. Painting a brief picture ; Several applications running on Tomcat 6.0.19 (64-bit) - several cluster groups Backend SQL Server 2005 clustered DBs (several) Front end Apache Web servers, load balanced via secure ne

RE: Clustering Question...

2009-09-25 Thread Darren Kukulka
OldGC -XX:GCTimeRatio=11 -XX:+UseAdaptiveSizePolicy -XX:ReservedCodeCacheSize=96m -Original Message- From: Caldarale, Charles R [mailto:chuck.caldar...@unisys.com] Sent: 25 September 2009 14:23 To: Tomcat Users List Subject: RE: Clustering Question... > From: Darren Kukulka [mailto:dar

RE: Clustering Question...

2009-09-25 Thread Darren Kukulka
, but not OldGen -Original Message- From: Rainer Jung [mailto:rainer.j...@kippdata.de] Sent: 25 September 2009 08:20 To: Tomcat Users List Subject: Re: Clustering Question... On 25.09.2009 09:12, Darren Kukulka wrote: > There are no OOME messages in the logs...the application still r

RE: Clustering Question...

2009-09-25 Thread Darren Kukulka
ember 2009 08:09 To: Tomcat Users List Subject: Re: Clustering Question... On 25.09.2009 09:01, Darren Kukulka wrote: > Thanks for the suggestions Chris. > > Unfortunately, the memory that was exhausted was the OldGen heap area, not PermGen, which doesn't show up in the Catalina

RE: Clustering Question...

2009-09-25 Thread Darren Kukulka
SSAGE- Hash: SHA1 Darren, On 9/24/2009 10:21 AM, Darren Kukulka wrote: > In a 2-node scenario, where both nodes are configured identically and > load balanced via Apache based on availability, how can we configure the > cluster to deal with situations where one node has exhausted its

Clustering Question...

2009-09-24 Thread Darren Kukulka
Hi All, Just a quick question regarding clustering with Tomcat 6. In a 2-node scenario, where both nodes are configured identically and load balanced via Apache based on availability, how can we configure the cluster to deal with situations where one node has exhausted its Old Gen heap allo

RE: Tomcat 6 Clustering issue

2009-09-08 Thread Darren Kukulka
8, 2009 at 2:49 PM, Darren Kukulka < darren.kuku...@connaught.plc.uk> wrote: > Hi All, > > > > I've come across some interesting scenarios with a clustered Tomcat6 > environment and I'm wondering what the most common (or best) approach to > configuration woul

Tomcat 6 Clustering issue

2009-09-08 Thread Darren Kukulka
Hi All, I've come across some interesting scenarios with a clustered Tomcat6 environment and I'm wondering what the most common (or best) approach to configuration would be. Basically, in a 2 node cluster, with a front-end Apache Web Server using mod_jk balancer (on availability, with equal

Application Clustering

2009-06-08 Thread Darren Kukulka
Hi Everyone, I've got a general query around application clustering in Tomcat. We've got several clusters of Tomcat 6.0.18, each consisting of 2-3 nodes per cluster. The setup is fairly straightforward and we're using the 'based on load' balance method at the web server layer for the ajp w

RE: Port range

2009-03-25 Thread Darren Kukulka
netstat -a from a Command window, will show you all the ports in use on any Windows server. -Original Message- From: Venky Vasant [mailto:venkat...@yahoo.com] Sent: 25 March 2009 13:10 To: users@tomcat.apache.org Subject: Port range I am sure this is very simple question but i could no

RE: Issue with SSL server/ network configuration

2009-03-20 Thread Darren Kukulka
Why not opt for a wildcard certificate for the domain, if that's applicable (e.g. *.yourcompany.com) -Original Message- From: i_am_superman [mailto:ee...@objectivation.nl] Sent: 20 March 2009 11:52 To: users@tomcat.apache.org Subject: Re: Issue with SSL server/ network configuration

Blocked threads

2008-10-22 Thread Darren Kukulka
uning we could do within Tomcat to help alleviate the pain felt by the users. Is anybody aware of any parameters that can be utilised, either programmatically or through Tomcat configuration? Thanks in advance! Darren Kukulka

Tomcat thread blocking

2008-09-24 Thread Darren Kukulka
iated. Darren Kukulka Business Applications Architect Connaught PLC Tel: 01392 353497 Business in the Community (BiTC) Team of the Year 2008 for Community Impact RoSPA Gold Awards - Connaught now have 15 in total Winner of Partnering Contractor of the Year Award in 2005 and 2007 Tenant

RE: Help with Tomcat and mod_jk

2008-01-23 Thread Darren Kukulka
Thanks Rainer, I'll look into upgrading the apache/mod_jk combination -Original Message- From: Rainer Jung [mailto:[EMAIL PROTECTED] Sent: 23 January 2008 10:42 To: Tomcat Users List Subject: Re: Help with Tomcat and mod_jk Darren Kukulka wrote: > Hi All, > > Running To

Help with Tomcat and mod_jk

2008-01-23 Thread Darren Kukulka
Hi All, Running Tomcat 6.0.13 on Windows Server 2003 x64 with an Apache Web Server 2.2.4 (on a separate server) with mod_jk 1.2.20 Regularly getting these in the log - same warning every time... 23-Jan-2008 08:24:56 org.apache.jk.core.MsgContext action WARNING: Error sending end packet

Tomcat 5.5.20 terminated unexpectedly

2007-07-12 Thread Darren Kukulka
Hi Tomcaters, We are running an instance of Tomcat 5.5.20 on Windows Server 2003 R2 x64 Standard. The JVM is SUN JDK 1.5.0_10 and the Tomcat.exe has been compiled under 64-bit Windows and is running as a service. On a few occasions the service has stopped abruptly. The only evidence of

Apache 32-bit as front end to 64-bit Tomcat

2007-05-31 Thread Darren Kukulka
Hi All, Just wondering if anybody has had any 'weirdness' when running a 32-bit mod_jk connector under Apache (in our case mod_jk v1.2.20 under Apache 2.2.4) against a 64-bit installation of Tomcat (5.5.20 with 1.5.0_10 SUN Java)on separate servers. We've had scenarios where the connect

RE: Installing Tomcat on Windows Server 2003 x64

2007-05-03 Thread Darren Kukulka
We have recently migrated to this platform and have had smooth success with a SUN 64-bit JRE (version 1.5.0_10) We are using a pre-compiled Tomcat binary (5.5.23, Tomcat5.exe and Tomcat5w.exe) and tc-native.dll (APR) which can be found at http://svn.apache.org/viewvc/tomcat/connectors/tags/tc5.5.x

Ideal JVM params for 64-bit?

2007-04-20 Thread Darren Kukulka
Hi Tomcaters! Just a quick query relating to Tomcat 5.5.20 on Win2K3 with SUN JVM 1.5.0_10 (64-bit) What are the ideal JVM GC parameter settings for a system with two dual-core processors and 4GB RAM (of which we've allocated a little over 3GB to the JVM)? Sometimes Tomcat pauses for a

How to redirect to stub page when app unavailable?

2007-04-04 Thread Darren Kukulka
Hi Tomcat Users, I'm trying to formulate a clever method of providing a stub page, 'under maintenance' if you will, for when we are building a new version of a Tomcat served application : i.e. when Tomcat is offline - we need to keep it offline during the build as there are back-end DB updates

RE: Named based virtual host redirection

2007-03-07 Thread Darren Kukulka
[mailto:[EMAIL PROTECTED] Sent: 06 March 2007 15:27 To: Tomcat Users List Subject: Re: Named based virtual host redirection On 3/6/07, Darren Kukulka <[EMAIL PROTECTED]> wrote: > This worked but I want to hide the redirect URL, and eliminate the doubled network traffic, I hope? :-

RE: Named based virtual host redirection

2007-03-06 Thread Darren Kukulka
same site, I get nothing at allin fact, it times out. In the Apache web server logs all I see is a recursive get on /app1/. Also, the original URL does not work any more. This seems to be a simple requirement but it is not proving to be straightforward. Can anybody help, or point me

Named based virtual host redirection

2007-03-06 Thread Darren Kukulka
p1/. Also, the original URL does not work any more. This seems to be a simple requirement but it is not proving to be straightforward. Can anybody help, or point me in the right direction? Darren Kukulka IT Infrastructure Consultant Conntrol Connaught PLC Connaught honoure

RE: Tomcat 5.5 and x64 Windows

2007-01-25 Thread Darren Kukulka
Martin/Mladen, I ended up installing .Net Framework 2.0 x64 as this was the prescribed method for resolving large numbers of Error 32 and 59 messages within the Windows system log. Mladen is probably right that the msvcrt80 runtime is the crux of the fix for this but for now I'm just happy tha

RE: Tomcat 5.5 and x64 Windows

2007-01-24 Thread Darren Kukulka
! Hope this helps anyone who has had the same problem. Regards, Darren. -Original Message- From: Darren Kukulka [mailto:[EMAIL PROTECTED] Sent: 19 January 2007 15:30 To: Tomcat Users List Subject: RE: Tomcat 5.5 and x64 Windows Reinhard, I am using Sun Java 1.5.0.10 for x64 (JRE

RE: Tomcat 5.5 and x64 Windows

2007-01-19 Thread Darren Kukulka
Donnerstag, 18. Januar 2007 17:38 schrieb Darren Kukulka: > Thanks for the pointers Mladen. > > I carried out the steps you outlined, however the "service install" > command fails...as follows; > > F:\Tomcat5\bin>service install > Installing the service 'Tomcat5&#x

RE: Tomcat 5.5 and x64 Windows

2007-01-18 Thread Darren Kukulka
I receive the same message running the "service install". Should I be specifying any parameters for this? -Original Message- From: Mladen Turk [mailto:[EMAIL PROTECTED] Sent: 18 January 2007 14:01 To: Tomcat Users List Subject: Re: Tomcat 5.5 and x64 Windows Darren Kukulka wrote: >

RE: Tomcat 5.5 and x64 Windows

2007-01-18 Thread Darren Kukulka
. - I'm not sure what you mean by running the install.bat. As mentioned I install using the exe. Darren. -Original Message- From: Mladen Turk [mailto:[EMAIL PROTECTED] Sent: 18 January 2007 13:15 To: Tomcat Users List Subject: Re: Tomcat 5.5 and x64 Windows Darren Kukulka wrote:

Tomcat 5.5 and x64 Windows

2007-01-18 Thread Darren Kukulka
up and running in my environment? Thanks in advance, Darren Kukulka Connaught honoured AIM 'Decade of Excellence' Award Connaught awarded Partnering Contractor of the Year 2005 Connaught wins AIM 'Company of the Year' award 2004 West of England Business of t

Perm Gen not being released in GC

2006-09-15 Thread Darren Kukulka
ed to start looking at the young to old heap allocation ratios - is this the main area I should be looking into? Any thoughts would be appreciated. Cheers, Darren Kukulka Connaught honoured AIM 'Decade of Excellence' Award Connaught awarded Partnering Contractor o

RE: JConsole query

2006-09-15 Thread Darren Kukulka
Thanks Jess. We suspected this was the case so we'll consolidate to server JVM. -Original Message- From: Jess Holle [mailto:[EMAIL PROTECTED] Sent: 15 September 2006 13:47 To: Tomcat Users List Subject: Re: JConsole query Darren Kukulka wrote: > HI There, > > Just a

JConsole query

2006-09-15 Thread Darren Kukulka
HI There, Just a quick question regarding the JConsole tool we use to monitor Tomcat5 instances - 2 to be precise. We've noticed that within the Memory display window the breakdown of Heap usage shows three areas and their utilisation. The descriptions of each space differs between the

PS Old Gen filling up...

2006-07-12 Thread Darren Kukulka
right direction? Thanks in advance. Darren Kukulka Connaught honoured AIM 'Decade of Excellence' Award Connaught awarded Partnering Contractor of the Year 2005 Connaught wins AIM 'Company of the Year' award 2004 West of England Business of the Ye

Problem with JVM Old-Gen heap and setting JVM Memory Pool

2006-07-05 Thread Darren Kukulka
.  Sometimes a manual GC with JConsole helps but this is hardly ideal!  GC sure is a barrel-o-fun!   Can anybody offer some suggestions to resolve this?   Cheers,   Darren Kukulka IT Infrastructure Consultant Conntrol Connaught PLC   Connaught honoured AIM 'Decade of Excellence&#