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Posted to users@tomcat.apache.org by Josef Pullicino <jo...@go.com.mt> on 2010/11/22 12:10:59 UTC
Problems with Backup Manager
Hi all,
We are trying to setup session replication using tomcat as webserver. We
have two nodes communicating together via multicast address groups using
asynchronous communication channel. As an underlying platform, we are using
liferay portal.
We are having problems using Backup Manager especially when deploying hot
portlets. The attached error (Backup Error.txt) is being produced. A lot of
research has been carried out but we did not find any reasonable solution.
You can also find a copy of our server.xml file in which all settings
related to tomcat are found there.
Any help would be greatly appreciated.
Regards,
Josef Pullicino
Systems Administrator
GO
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t +356 2594 6827 f +356 2124 0112
w www.go.com.mt
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RE: Problems with Backup Manager
Posted by Josef Pullicino <jo...@go.com.mt>.
Hi Chuck,
Thanks for your reply.
Details as follows:
Tomcat version: 6.0.18
JVM: 1.6.0_21
OS: Red Hat Enterprise Linux Server release 5.5
(Tikanga)
Tomcats are on different machines with the same OS. They are connected with
multicast address group, this being 239.0.0.1.
I have included Context distributable="true" into tomcat's context.xml.
Thanks,
Josef
-----Original Message-----
From: Caldarale, Charles R [mailto:Chuck.Caldarale@unisys.com]
Sent: 22 November 2010 15:36
To: Tomcat Users List
Subject: RE: Problems with Backup Manager
> From: Josef Pullicino [mailto:josef.pullicino@go.com.mt]
> Subject: Problems with Backup Manager
> We are having problems using Backup Manager especially when deploying
> hot portlets.
Care to give us a hint about the version of Tomcat you're using, the JVM
it's running on, the platform that's running in, whether or not you're using
APR, and how the two Tomcat's are connected? (Same machine, private LAN, or
???)
What's in the <Context> element for the webapp(s) of interest? Do you have
<distributable> set in the webapp's WEB-INF/web.xml file or <Context>
element?
- Chuck
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Re: Problems with Backup Manager
Posted by Mark Thomas <ma...@apache.org>.
On 22/11/2010 14:38, Mark Thomas wrote:
> On 22/11/2010 14:35, Caldarale, Charles R wrote:
>>> From: Josef Pullicino [mailto:josef.pullicino@go.com.mt]
>>> Subject: Problems with Backup Manager
>>
>>> We are having problems using Backup Manager especially
>>> when deploying hot portlets.
>>
>> Care to give us a hint about the version of Tomcat you're using, the JVM it's running on, the platform that's running in, whether or not you're using APR, and how the two Tomcat's are connected? (Same machine, private LAN, or ???)
>>
>> What's in the <Context> element for the webapp(s) of interest? Do you have <distributable> set in the webapp's WEB-INF/web.xml file or <Context> element?
>
> The root cause of these issues looks like a faulty listener.
Ignore the above - I was reading too quickly.
> <quote>
> SEVERE: Context [/go-portal-login-theme] startup failed due to previous
> errors
> </quote>
>
> The stack trace for that will be in the logs.
There is however, likely to be be some useful information earlier in the
logs.
mark
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Re: Problems with Backup Manager
Posted by Mark Thomas <ma...@apache.org>.
On 22/11/2010 14:35, Caldarale, Charles R wrote:
>> From: Josef Pullicino [mailto:josef.pullicino@go.com.mt]
>> Subject: Problems with Backup Manager
>
>> We are having problems using Backup Manager especially
>> when deploying hot portlets.
>
> Care to give us a hint about the version of Tomcat you're using, the JVM it's running on, the platform that's running in, whether or not you're using APR, and how the two Tomcat's are connected? (Same machine, private LAN, or ???)
>
> What's in the <Context> element for the webapp(s) of interest? Do you have <distributable> set in the webapp's WEB-INF/web.xml file or <Context> element?
The root cause of these issues looks like a faulty listener.
<quote>
SEVERE: Context [/go-portal-login-theme] startup failed due to previous
errors
</quote>
The stack trace for that will be in the logs.
Mark
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RE: Problems with Backup Manager
Posted by "Caldarale, Charles R" <Ch...@unisys.com>.
> From: Josef Pullicino [mailto:josef.pullicino@go.com.mt]
> Subject: Problems with Backup Manager
> We are having problems using Backup Manager especially
> when deploying hot portlets.
Care to give us a hint about the version of Tomcat you're using, the JVM it's running on, the platform that's running in, whether or not you're using APR, and how the two Tomcat's are connected? (Same machine, private LAN, or ???)
What's in the <Context> element for the webapp(s) of interest? Do you have <distributable> set in the webapp's WEB-INF/web.xml file or <Context> element?
- Chuck
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