Amila,
The OOM issue is something different. This issue originally reported by
Ishani is related to the ESB hanging on startup, after it is restarted.
The following logs are printed and then the server hangs.
osgi> [2011-03-25 17:08:28,736] INFO
{org.wso2.carbon.core.init.CarbonServerManager} - Gracefully restarting
WSO2 ESB...
[2011-03-25 17:08:28,738] INFO {org.wso2.carbon.core.ServerManagement} -
Starting to switch to maintenance mode...
[2011-03-25 17:08:28,739] INFO
{org.apache.synapse.transport.nhttp.HttpCoreNIOListener} - HTTPS Listener
Shutdown
[2011-03-25 17:08:28,742] INFO
{org.apache.synapse.transport.nhttp.HttpCoreNIOListener} - HTTP Listener
Shutdown
[2011-03-25 17:08:28,742] INFO {org.wso2.carbon.core.ServerManagement} -
Stopped all transport listeners
[2011-03-25 17:08:28,743] INFO {org.wso2.carbon.core.ServerManagement} -
Waiting for deployment completion...
[2011-03-25 17:08:28,744] INFO {org.wso2.carbon.core.ServerManagement} -
All deployment tasks have been completed.
[2011-03-25 17:08:28,744] INFO {org.wso2.carbon.core.ServerManagement} -
Waiting for request service completion...
[2011-03-25 17:08:28,746] INFO {org.wso2.carbon.core.ServerManagement} -
All requests have been served.
[2011-03-25 17:08:28,747] INFO
{org.wso2.carbon.core.init.CarbonServerManager} - Waiting for 5 sec(s)
before initiating restart
[2011-03-25 17:08:33,894] INFO {org.apache.synapse.task.SynapseTaskManager}
- Shutting down the task manager
[2011-03-25 17:08:33,897] INFO {org.apache.synapse.Axis2SynapseController}
- Undeploying the Synapse service...
[2011-03-25 17:08:33,900] INFO {org.apache.synapse.Axis2SynapseController}
- Undeploying Proxy services...
[2011-03-25 17:08:33,900] INFO {org.apache.synapse.Axis2SynapseController}
- Undeploying EventSources...
[2011-03-25 17:08:33,971] INFO
{org.apache.directory.server.ldap.LdapServer} - Unbind of an LDAP service
(10389) is complete.
[2011-03-25 17:08:33,971] INFO
{org.apache.directory.server.ldap.LdapServer} - Sending notice of
disconnect to existing clients sessions.
[2011-03-25 17:08:33,971] INFO
{org.apache.directory.server.ldap.LdapServer} - Ldap service stopped.
[2011-03-25 17:08:34,027] INFO
{org.apache.directory.server.core.DefaultDirectoryService} - Waiting for
SynchWorkerThread to die.
[2011-03-25 17:08:34,027] INFO
{org.wso2.carbon.apacheds.impl.ApacheLDAPServer} - LDAP server stopped.
On Fri, Mar 25, 2011 at 11:28 AM, Amila Jayasekara <[email protected]> wrote:
> Hi All,
> I was able to reproduce this issue with carbon core server. I am
> getting "java.lang.OutOfMemoryError: PermGen space" as mentioned in
> https://wso2.org/jira/browse/CARBON-9145. In carbon core server if we
> invoke "Graceful Restart" several times we can reproduce this issue
> (In my machine i was able to reproduce the issue by invoking 3 times).
> In-order to narrow down the issue i un-installed LDAP specific
> (apacheds and org.wso2.carbon.ldap) features and connected user
> manager to a h2 database. Still i was able to reproduce above error
> after 3 attempts. Therefore i doubt, whether this issue has an impact
> from LDAP server.
> When monitoring memory usage in each restart, i observed that memory
> usage increases about 1-2% for each attempt. (I did the same setof
> actions in each attempt). I am not quite sure what could be the root
> cause for the memory increase. We need to further investigate this
> issue.
>
> Thanks
> AmilaJ
>
> On Thu, Mar 24, 2011 at 8:59 PM, Kasun Indrasiri <[email protected]> wrote:
> >
> >
> > On Thu, Mar 24, 2011 at 9:33 PM, Amila Jayasekara <[email protected]>
> wrote:
> >>
> >> On Thu, Mar 24, 2011 at 12:07 AM, Kasun Indrasiri <[email protected]>
> wrote:
> >> > Hi Azeez,
> >> Yeah. The graceful restarting is still broken.
> >>
> >> I am still trying to find the exact cause for the error. Kasun, are
> >> you getting the PermGen error when you execute "Graceful Shutdown" ?
> >>
> > No. I'm not getting that error in esb logs.
> >>
> >> Thanks
> >> AmilaJ
> >>
> >> > Thanks.
> >> >
> >> > On Thu, Mar 24, 2011 at 12:15 PM, Afkham Azeez <[email protected]>
> wrote:
> >> >>
> >> >> Kasun,
> >> >> Are you seeing the restart issue?
> >> >>
> >> >> On Thu, Mar 24, 2011 at 12:02 PM, Kasun Indrasiri <[email protected]>
> >> >> wrote:
> >> >>>
> >> >>> Adding following entries to esb log4j.properties solved the issues.
> >> >>> Thanks a lot Amila and Hasini.
> >> >>> log4j.logger.org.apache.directory.shared.ldap=WARN, CARBON_CONSOLE
> >> >>> log4j.logger.org.apache.directory.server.ldap.handlers=WARN,
> >> >>> CARBON_CONSOLE
> >> >>>
> >> >>>
> >> >>>
> log4j.logger.org.apache.directory.shared.ldap.entry.DefaultServerAttribute=FATAL,
> >> >>> CARBON_CONSOLE
> >> >>> log4j.logger.org.apache.directory.shared.ldap.ldif.LdifReader=ERROR,
> >> >>> CARBON_CONSOLE
> >> >>>
> >> >>>
> log4j.logger.org.apache.directory.server.ldap.LdapProtocolHandler=ERROR,
> >> >>> CARBON_CONSOLE
> >> >>> On Thu, Mar 24, 2011 at 10:35 AM, Amila Jayasekara <[email protected]
> >
> >> >>> wrote:
> >> >>>>
> >> >>>> Hi All,
> >> >>>>
> >> >>>> According to apacheds mailing lists and jiras the "null ldap
> session"
> >> >>>> warning is a harmless message.
> >> >>>> You can find more information about this in other mail discussion
> [1]
> >> >>>> we had about this.
> >> >>>>
> >> >>>> Thus this warning is suppressed at log4j.properties file in core
> and
> >> >>>> therefore we dont see this message in carbon and other products
> which
> >> >>>> uses log4j.properties file in core.
> >> >>>> But ESB, MB and few other products are using log4j.properties files
> >> >>>> specific to them. On those files the warning is not suppressed. I
> >> >>>> will
> >> >>>> work on suppressing these warning in other product specific
> >> >>>> log4j.properties files.
> >> >>>>
> >> >>>> Thanks
> >> >>>> AmilaJ
> >> >>>>
> >> >>>> [1] http://wso2.org/mailarchive/carbon-dev/2011-March/049465.html
> >> >>>>
> >> >>>> On Wed, Mar 23, 2011 at 1:47 AM, Hasini Gunasinghe <
> [email protected]>
> >> >>>> wrote:
> >> >>>> >
> >> >>>> >
> >> >>>> > On Wed, Mar 23, 2011 at 2:09 PM, Ishani Ratnayake <
> [email protected]>
> >> >>>> > wrote:
> >> >>>> >>
> >> >>>> >>
> >> >>>> >> On Wed, Mar 23, 2011 at 1:56 PM, Hasini Gunasinghe
> >> >>>> >> <[email protected]>
> >> >>>> >> wrote:
> >> >>>> >>>
> >> >>>> >>>
> >> >>>> >>> On Wed, Mar 23, 2011 at 1:43 PM, Kasun Indrasiri <
> [email protected]>
> >> >>>> >>> wrote:
> >> >>>> >>>>
> >> >>>> >>>> https://wso2.org/jira/browse/CARBON-9163
> >> >>>> >
> >> >>>> > Hi,
> >> >>>> >
> >> >>>> >>
> >> >>>> >> We have already reported two similar issue with related to the
> >> >>>> >> same.
> >> >>>> >> [1] https://wso2.org/jira/browse/CARBON-8853
> >> >>>> >> [2] https://wso2.org/jira/browse/CARBON-8965
> >> >>>> >
> >> >>>> > Above two issues are same as the
> >> >>>> > issue: https://wso2.org/jira/browse/CARBON-8919
> >> >>>> > And since that issue has been fixed now, two issues you have
> >> >>>> > mentioned
> >> >>>> > should also have been fixed.
> >> >>>> > Thanks for reporting.. can you please verify and close the
> issues,
> >> >>>> > if
> >> >>>> > resolved?
> >> >>>> > Thanks,
> >> >>>> > Hasini.
> >> >>>> >>
> >> >>>> >>
> >> >>>> >> Thanks,
> >> >>>> >> Ishani
> >> >>>> >>>
> >> >>>> >>> We have discussed and avoided a similar continuous log (in that
> >> >>>> >>> case
> >> >>>> >>> it
> >> >>>> >>> is an INFO log) here [1].
> >> >>>> >>> Will look into the issue that Kasun has reported as well when
> we
> >> >>>> >>> come to
> >> >>>> >>> fixing issues.
> >> >>>> >>> Azeez, would it be sufficient if we look into the issue you
> >> >>>> >>> reported
> >> >>>> >>> as
> >> >>>> >>> well, when we come to fixing issues?
> >> >>>> >>> [1]
> http://wso2.org/mailarchive/carbon-dev/2011-March/049465.html
> >> >>>> >>>>
> >> >>>> >>>>
> >> >>>> >>>>
> >> >>>> >>>> On Tue, Mar 22, 2011 at 10:27 AM, Kasun Indrasiri
> >> >>>> >>>> <[email protected]>
> >> >>>> >>>> wrote:
> >> >>>> >>>>>
> >> >>>> >>>>> Hi,
> >> >>>> >>>>> Getting this warning continuously in the latest ESB builds.
> Any
> >> >>>> >>>>> thoughts ?
> >> >>>> >>>>> [2011-03-22 10:23:14,236] INFO
> >> >>>> >>>>>
> {org.apache.directory.server.ldap.handlers.LdapRequestHandler}
> >> >>>> >>>>> -
> >> >>>> >>>>> ignoring
> >> >>>> >>>>> the message
> >> >>>> >>>>>
> >> >>>> >>>>>
> >> >>>> >>>>>
> org.apache.directory.shared.ldap.message.UnbindRequestImpl@3f8efd86received
> >> >>>> >>>>> from null session
> >> >>>> >>>>> [2011-03-22 10:23:14,243] WARN
> >> >>>> >>>>> {org.apache.directory.server.ldap.LdapProtocolHandler} -
> Null
> >> >>>> >>>>> LdapSession
> >> >>>> >>>>> given to cleanUpSession.
> >> >>>> >>>>> [2011-03-22 10:23:18,656] WARN
> >> >>>> >>>>> {org.apache.directory.server.ldap.LdapProtocolHandler} -
> Null
> >> >>>> >>>>> LdapSession
> >> >>>> >>>>> given to cleanUpSession.
> >> >>>> >>>>> [2011-03-22 10:23:18,662] WARN
> >> >>>> >>>>> {org.apache.directory.server.ldap.LdapProtocolHandler} -
> Null
> >> >>>> >>>>> LdapSession
> >> >>>> >>>>> given to cleanUpSession.
> >> >>>> >>>>>
> >> >>>> >>>>> --
> >> >>>> >>>>> Kasun Indrasiri
> >> >>>> >>>>> Senior Software Engineer
> >> >>>> >>>>> WSO2, Inc.; http://wso2.com
> >> >>>> >>>>> lean.enterprise.middleware
> >> >>>> >>>>>
> >> >>>> >>>>> cell: +94 71 536 4128
> >> >>>> >>>>> Blog : http://kasunpanorama.blogspot.com/
> >> >>>> >>>>
> >> >>>> >>>>
> >> >>>> >>>>
> >> >>>> >>>> --
> >> >>>> >>>> Kasun Indrasiri
> >> >>>> >>>> Senior Software Engineer
> >> >>>> >>>> WSO2, Inc.; http://wso2.com
> >> >>>> >>>> lean.enterprise.middleware
> >> >>>> >>>>
> >> >>>> >>>> cell: +94 71 536 4128
> >> >>>> >>>> Blog : http://kasunpanorama.blogspot.com/
> >> >>>> >>>>
> >> >>>> >>>> _______________________________________________
> >> >>>> >>>> Carbon-dev mailing list
> >> >>>> >>>> [email protected]
> >> >>>> >>>> http://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev
> >> >>>> >>>>
> >> >>>> >>>
> >> >>>> >>>
> >> >>>> >>> _______________________________________________
> >> >>>> >>> Carbon-dev mailing list
> >> >>>> >>> [email protected]
> >> >>>> >>> http://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev
> >> >>>> >>>
> >> >>>> >>
> >> >>>> >>
> >> >>>> >>
> >> >>>> >> --
> >> >>>> >> Ishani
> >> >>>> >> Mobile : 0727136198
> >> >>>> >>
> >> >>>> >
> >> >>>> >
> >> >>>> > _______________________________________________
> >> >>>> > Carbon-dev mailing list
> >> >>>> > [email protected]
> >> >>>> > http://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev
> >> >>>> >
> >> >>>> >
> >> >>>
> >> >>>
> >> >>>
> >> >>> --
> >> >>> Kasun Indrasiri
> >> >>> Senior Software Engineer
> >> >>> WSO2, Inc.; http://wso2.com
> >> >>> lean.enterprise.middleware
> >> >>>
> >> >>> cell: +94 71 536 4128
> >> >>> Blog : http://kasunpanorama.blogspot.com/
> >> >>
> >> >>
> >> >>
> >> >> --
> >> >> Afkham Azeez
> >> >> Senior Software Architect & Senior Manager; WSO2, Inc.;
> >> >> http://wso2.com,
> >> >>
> >> >> Member; Apache Software Foundation; http://www.apache.org/
> >> >> email: [email protected] cell: +94 77 3320919
> >> >> blog: http://blog.afkham.org
> >> >> twitter: http://twitter.com/afkham_azeez
> >> >> linked-in: http://lk.linkedin.com/in/afkhamazeez
> >> >>
> >> >> Lean . Enterprise . Middleware
> >> >
> >> >
> >> >
> >> > --
> >> > Kasun Indrasiri
> >> > Senior Software Engineer
> >> > WSO2, Inc.; http://wso2.com
> >> > lean.enterprise.middleware
> >> >
> >> > cell: +94 71 536 4128
> >> > Blog : http://kasunpanorama.blogspot.com/
> >> >
> >
> >
> >
> > --
> > Kasun Indrasiri
> > Senior Software Engineer
> > WSO2, Inc.; http://wso2.com
> > lean.enterprise.middleware
> >
> > cell: +94 71 536 4128
> > Blog : http://kasunpanorama.blogspot.com/
> >
>
--
*Afkham Azeez*
Senior Software Architect & Senior Manager; WSO2, Inc.; http://wso2.com,
*
*
*Member; Apache Software Foundation;
**http://www.apache.org/*<http://www.apache.org/>
*
email: **[email protected]* <[email protected]>* cell: +94 77 3320919
blog: **http://blog.afkham.org* <http://blog.afkham.org>*
twitter: **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez>
*
linked-in: **http://lk.linkedin.com/in/afkhamazeez*
*
*
*Lean . Enterprise . Middleware*
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