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Posted to users@activemq.apache.org by "eric.renault" <er...@gmail.com> on 2006/10/30 19:21:50 UTC

Urgent : Problems using the 'Shared File System Master Slave' feature

Hello all

I am experiencing troubles getting ActiveMQ use the master/slave on shared
file system new feature.

Configuration :
ActiveMQ 4.0.1 (home dir = /vol03/ActiveMQ/4.0.1)
RedHat 4
Disk Array on GFS

It looks straight forward on the web site, but I can't get it work.

Here is what the web site suggests :
<persistenceAdapter>
  <journaledJDBC dataDirectory="/sharedFileSystem/broker"/>
</persistenceAdapter>

What I am trying to reach is pretty simple :
2 brokers in cluster:
  "BrokerA" and "BrokerB".
Each one of them has its slave...respectively:
  "BrokerAbck" and "BrokerB2bck"

So I created 4 xml files:
BrokerA.xml
BrokerAbck.xml
BrokerB.xml
BrokerBbck.xml

BrokerA.xml :
===========================================
<beans xmlns="http://activemq.org/config/1.0">
  <bean
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
  <broker useJmx="false" brokerName="BrokerA" persistent="true"
deleteAllMessagesOnStartup="false" start="true"
shutdownOnMasterFailure="false" useLoggingForShutdownErrors="true"
useShutdownHook="true" populateJMSXUserID="true" >
    <managementContext>
       <managementContext connectorPort="1099"
jmxDomainName="org.apache.activemq"/>
    </managementContext>
    
    <persistenceAdapter>
      <journaledJDBC journalLogFiles="5" useJournal="true"
dataDirectory="/vol03/ActiveMQ/4.0.1/data/BrokerA"/>
    </persistenceAdapter>

    <transportConnectors>
      <transportConnector name="default" uri="tcp://localhost:4501"
discoveryUri="multicast://default"/>
    </transportConnectors>
    
    <networkConnectors>
      <networkConnector name="default" uri="multicast://default"/>
    </networkConnectors>
  </broker>
</beans>




BrokerAbck.xml :
===========================================
<beans xmlns="http://activemq.org/config/1.0">
  <bean
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
  <broker useJmx="false" brokerName="BrokerAbck" persistent="true"
deleteAllMessagesOnStartup="false" start="true"
shutdownOnMasterFailure="false" useLoggingForShutdownErrors="true"
useShutdownHook="true" populateJMSXUserID="true" >
    <managementContext>
       <managementContext connectorPort="1099"
jmxDomainName="org.apache.activemq"/>
    </managementContext>
    
    <persistenceAdapter>
      <journaledJDBC journalLogFiles="5" useJournal="true"
dataDirectory="/vol03/ActiveMQ/4.0.1/data/BrokerA"/>
    </persistenceAdapter>

    <transportConnectors>
      <transportConnector name="default" uri="tcp://localhost:4501"
discoveryUri="multicast://default"/>
    </transportConnectors>
    
    <networkConnectors>
      <networkConnector name="default" uri="multicast://default"/>
    </networkConnectors>
  </broker>
</beans>
===================================================

BrokerA starts perfectly.
BrokerAbck fails with the following error:

ACTIVEMQ_HOME: /vol03/ActiveMQ/4.0.1
Loading message broker from: xbean:file:../conf/BrokerA2.xml
ERROR: java.lang.RuntimeException: Failed to execute start task. Reason:
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name 'org.apache.activemq.store.PersistenceAdapterFactoryBean':
FactoryBean threw exception on object creation; nested exception is
java.io.IOException: Journal is already opened by another application
ERROR: java.lang.Exception:
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name 'org.apache.activemq.store.PersistenceAdapterFactoryBean':
FactoryBean threw exception on object creation; nested exception is
java.io.IOException: Journal is already opened by another application


Can anyone help?
I really need this to be working very soon.
I haven't tried the Pure Master/Slave solution....and do not really want to
as the recovery procedure isn't automatic.

Thank you in advance

Eric
-- 
View this message in context: http://www.nabble.com/Urgent-%3A-Problems-using-the-%27Shared-File-System-Master-Slave%27-feature-tf2541152.html#a7079969
Sent from the ActiveMQ - User mailing list archive at Nabble.com.

Re: Urgent : Problems using the 'Shared File System Master Slave' featur

Posted by James Strachan <ja...@gmail.com>.
Currently 4.1 is only available as a snapshot...

http://people.apache.org/repo/m2-snapshot-repository/org/apache/activemq/apache-activemq/

but we hope to get a release out pretty soon.

On 10/30/06, eric.renault <er...@gmail.com> wrote:
>
> Well then
>
> I'm sorry
>
> As I could not find any 4.1 Release, I thought it was refering to the 4.0.1
> Release.
>
> Sorry about that and thank you for you time.
>
> Eric
>
>
> James.Strachan wrote:
> >
> > As it says at the top of the page...
> >
> > http://incubator.apache.org/activemq/shared-file-system-master-slave.html
> >
> > shared file system master slave is first supported in version 4.1 or later
> >
> > On 10/30/06, eric.renault <er...@gmail.com> wrote:
> >>
> >> Hello all
> >>
> >> I am experiencing troubles getting ActiveMQ use the master/slave on
> >> shared
> >> file system new feature.
> >>
> >> Configuration :
> >> ActiveMQ 4.0.1 (home dir = /vol03/ActiveMQ/4.0.1)
> >> RedHat 4
> >> Disk Array on GFS
> >>
> >> It looks straight forward on the web site, but I can't get it work.
> >>
> >> Here is what the web site suggests :
> >> <persistenceAdapter>
> >>   <journaledJDBC dataDirectory="/sharedFileSystem/broker"/>
> >> </persistenceAdapter>
> >>
> >> What I am trying to reach is pretty simple :
> >> 2 brokers in cluster:
> >>   "BrokerA" and "BrokerB".
> >> Each one of them has its slave...respectively:
> >>   "BrokerAbck" and "BrokerB2bck"
> >>
> >> So I created 4 xml files:
> >> BrokerA.xml
> >> BrokerAbck.xml
> >> BrokerB.xml
> >> BrokerBbck.xml
> >>
> >> BrokerA.xml :
> >> ===========================================
> >> <beans xmlns="http://activemq.org/config/1.0">
> >>   <bean
> >> class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
> >>   <broker useJmx="false" brokerName="BrokerA" persistent="true"
> >> deleteAllMessagesOnStartup="false" start="true"
> >> shutdownOnMasterFailure="false" useLoggingForShutdownErrors="true"
> >> useShutdownHook="true" populateJMSXUserID="true" >
> >>     <managementContext>
> >>        <managementContext connectorPort="1099"
> >> jmxDomainName="org.apache.activemq"/>
> >>     </managementContext>
> >>
> >>     <persistenceAdapter>
> >>       <journaledJDBC journalLogFiles="5" useJournal="true"
> >> dataDirectory="/vol03/ActiveMQ/4.0.1/data/BrokerA"/>
> >>     </persistenceAdapter>
> >>
> >>     <transportConnectors>
> >>       <transportConnector name="default" uri="tcp://localhost:4501"
> >> discoveryUri="multicast://default"/>
> >>     </transportConnectors>
> >>
> >>     <networkConnectors>
> >>       <networkConnector name="default" uri="multicast://default"/>
> >>     </networkConnectors>
> >>   </broker>
> >> </beans>
> >>
> >>
> >>
> >>
> >> BrokerAbck.xml :
> >> ===========================================
> >> <beans xmlns="http://activemq.org/config/1.0">
> >>   <bean
> >> class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
> >>   <broker useJmx="false" brokerName="BrokerAbck" persistent="true"
> >> deleteAllMessagesOnStartup="false" start="true"
> >> shutdownOnMasterFailure="false" useLoggingForShutdownErrors="true"
> >> useShutdownHook="true" populateJMSXUserID="true" >
> >>     <managementContext>
> >>        <managementContext connectorPort="1099"
> >> jmxDomainName="org.apache.activemq"/>
> >>     </managementContext>
> >>
> >>     <persistenceAdapter>
> >>       <journaledJDBC journalLogFiles="5" useJournal="true"
> >> dataDirectory="/vol03/ActiveMQ/4.0.1/data/BrokerA"/>
> >>     </persistenceAdapter>
> >>
> >>     <transportConnectors>
> >>       <transportConnector name="default" uri="tcp://localhost:4501"
> >> discoveryUri="multicast://default"/>
> >>     </transportConnectors>
> >>
> >>     <networkConnectors>
> >>       <networkConnector name="default" uri="multicast://default"/>
> >>     </networkConnectors>
> >>   </broker>
> >> </beans>
> >> ===================================================
> >>
> >> BrokerA starts perfectly.
> >> BrokerAbck fails with the following error:
> >>
> >> ACTIVEMQ_HOME: /vol03/ActiveMQ/4.0.1
> >> Loading message broker from: xbean:file:../conf/BrokerA2.xml
> >> ERROR: java.lang.RuntimeException: Failed to execute start task. Reason:
> >> org.springframework.beans.factory.BeanCreationException: Error creating
> >> bean
> >> with name 'org.apache.activemq.store.PersistenceAdapterFactoryBean':
> >> FactoryBean threw exception on object creation; nested exception is
> >> java.io.IOException: Journal is already opened by another application
> >> ERROR: java.lang.Exception:
> >> org.springframework.beans.factory.BeanCreationException: Error creating
> >> bean
> >> with name 'org.apache.activemq.store.PersistenceAdapterFactoryBean':
> >> FactoryBean threw exception on object creation; nested exception is
> >> java.io.IOException: Journal is already opened by another application
> >>
> >>
> >> Can anyone help?
> >> I really need this to be working very soon.
> >> I haven't tried the Pure Master/Slave solution....and do not really want
> >> to
> >> as the recovery procedure isn't automatic.
> >>
> >> Thank you in advance
> >>
> >> Eric
> >> --
> >> View this message in context:
> >> http://www.nabble.com/Urgent-%3A-Problems-using-the-%27Shared-File-System-Master-Slave%27-feature-tf2541152.html#a7079969
> >> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
> >>
> >>
> >
> >
> > --
> >
> > James
> > -------
> > http://radio.weblogs.com/0112098/
> >
> >
>
> --
> View this message in context: http://www.nabble.com/Urgent-%3A-Problems-using-the-%27Shared-File-System-Master-Slave%27-feature-tf2541152.html#a7080640
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>
>


-- 

James
-------
http://radio.weblogs.com/0112098/

Re: Urgent : Problems using the 'Shared File System Master Slave' featur

Posted by "eric.renault" <er...@gmail.com>.
Well then

I'm sorry

As I could not find any 4.1 Release, I thought it was refering to the 4.0.1
Release.

Sorry about that and thank you for you time.

Eric


James.Strachan wrote:
> 
> As it says at the top of the page...
> 
> http://incubator.apache.org/activemq/shared-file-system-master-slave.html
> 
> shared file system master slave is first supported in version 4.1 or later
> 
> On 10/30/06, eric.renault <er...@gmail.com> wrote:
>>
>> Hello all
>>
>> I am experiencing troubles getting ActiveMQ use the master/slave on
>> shared
>> file system new feature.
>>
>> Configuration :
>> ActiveMQ 4.0.1 (home dir = /vol03/ActiveMQ/4.0.1)
>> RedHat 4
>> Disk Array on GFS
>>
>> It looks straight forward on the web site, but I can't get it work.
>>
>> Here is what the web site suggests :
>> <persistenceAdapter>
>>   <journaledJDBC dataDirectory="/sharedFileSystem/broker"/>
>> </persistenceAdapter>
>>
>> What I am trying to reach is pretty simple :
>> 2 brokers in cluster:
>>   "BrokerA" and "BrokerB".
>> Each one of them has its slave...respectively:
>>   "BrokerAbck" and "BrokerB2bck"
>>
>> So I created 4 xml files:
>> BrokerA.xml
>> BrokerAbck.xml
>> BrokerB.xml
>> BrokerBbck.xml
>>
>> BrokerA.xml :
>> ===========================================
>> <beans xmlns="http://activemq.org/config/1.0">
>>   <bean
>> class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
>>   <broker useJmx="false" brokerName="BrokerA" persistent="true"
>> deleteAllMessagesOnStartup="false" start="true"
>> shutdownOnMasterFailure="false" useLoggingForShutdownErrors="true"
>> useShutdownHook="true" populateJMSXUserID="true" >
>>     <managementContext>
>>        <managementContext connectorPort="1099"
>> jmxDomainName="org.apache.activemq"/>
>>     </managementContext>
>>
>>     <persistenceAdapter>
>>       <journaledJDBC journalLogFiles="5" useJournal="true"
>> dataDirectory="/vol03/ActiveMQ/4.0.1/data/BrokerA"/>
>>     </persistenceAdapter>
>>
>>     <transportConnectors>
>>       <transportConnector name="default" uri="tcp://localhost:4501"
>> discoveryUri="multicast://default"/>
>>     </transportConnectors>
>>
>>     <networkConnectors>
>>       <networkConnector name="default" uri="multicast://default"/>
>>     </networkConnectors>
>>   </broker>
>> </beans>
>>
>>
>>
>>
>> BrokerAbck.xml :
>> ===========================================
>> <beans xmlns="http://activemq.org/config/1.0">
>>   <bean
>> class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
>>   <broker useJmx="false" brokerName="BrokerAbck" persistent="true"
>> deleteAllMessagesOnStartup="false" start="true"
>> shutdownOnMasterFailure="false" useLoggingForShutdownErrors="true"
>> useShutdownHook="true" populateJMSXUserID="true" >
>>     <managementContext>
>>        <managementContext connectorPort="1099"
>> jmxDomainName="org.apache.activemq"/>
>>     </managementContext>
>>
>>     <persistenceAdapter>
>>       <journaledJDBC journalLogFiles="5" useJournal="true"
>> dataDirectory="/vol03/ActiveMQ/4.0.1/data/BrokerA"/>
>>     </persistenceAdapter>
>>
>>     <transportConnectors>
>>       <transportConnector name="default" uri="tcp://localhost:4501"
>> discoveryUri="multicast://default"/>
>>     </transportConnectors>
>>
>>     <networkConnectors>
>>       <networkConnector name="default" uri="multicast://default"/>
>>     </networkConnectors>
>>   </broker>
>> </beans>
>> ===================================================
>>
>> BrokerA starts perfectly.
>> BrokerAbck fails with the following error:
>>
>> ACTIVEMQ_HOME: /vol03/ActiveMQ/4.0.1
>> Loading message broker from: xbean:file:../conf/BrokerA2.xml
>> ERROR: java.lang.RuntimeException: Failed to execute start task. Reason:
>> org.springframework.beans.factory.BeanCreationException: Error creating
>> bean
>> with name 'org.apache.activemq.store.PersistenceAdapterFactoryBean':
>> FactoryBean threw exception on object creation; nested exception is
>> java.io.IOException: Journal is already opened by another application
>> ERROR: java.lang.Exception:
>> org.springframework.beans.factory.BeanCreationException: Error creating
>> bean
>> with name 'org.apache.activemq.store.PersistenceAdapterFactoryBean':
>> FactoryBean threw exception on object creation; nested exception is
>> java.io.IOException: Journal is already opened by another application
>>
>>
>> Can anyone help?
>> I really need this to be working very soon.
>> I haven't tried the Pure Master/Slave solution....and do not really want
>> to
>> as the recovery procedure isn't automatic.
>>
>> Thank you in advance
>>
>> Eric
>> --
>> View this message in context:
>> http://www.nabble.com/Urgent-%3A-Problems-using-the-%27Shared-File-System-Master-Slave%27-feature-tf2541152.html#a7079969
>> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>>
>>
> 
> 
> -- 
> 
> James
> -------
> http://radio.weblogs.com/0112098/
> 
> 

-- 
View this message in context: http://www.nabble.com/Urgent-%3A-Problems-using-the-%27Shared-File-System-Master-Slave%27-feature-tf2541152.html#a7080640
Sent from the ActiveMQ - User mailing list archive at Nabble.com.

Re: Urgent : Problems using the 'Shared File System Master Slave' feature

Posted by James Strachan <ja...@gmail.com>.
As it says at the top of the page...

http://incubator.apache.org/activemq/shared-file-system-master-slave.html

shared file system master slave is first supported in version 4.1 or later

On 10/30/06, eric.renault <er...@gmail.com> wrote:
>
> Hello all
>
> I am experiencing troubles getting ActiveMQ use the master/slave on shared
> file system new feature.
>
> Configuration :
> ActiveMQ 4.0.1 (home dir = /vol03/ActiveMQ/4.0.1)
> RedHat 4
> Disk Array on GFS
>
> It looks straight forward on the web site, but I can't get it work.
>
> Here is what the web site suggests :
> <persistenceAdapter>
>   <journaledJDBC dataDirectory="/sharedFileSystem/broker"/>
> </persistenceAdapter>
>
> What I am trying to reach is pretty simple :
> 2 brokers in cluster:
>   "BrokerA" and "BrokerB".
> Each one of them has its slave...respectively:
>   "BrokerAbck" and "BrokerB2bck"
>
> So I created 4 xml files:
> BrokerA.xml
> BrokerAbck.xml
> BrokerB.xml
> BrokerBbck.xml
>
> BrokerA.xml :
> ===========================================
> <beans xmlns="http://activemq.org/config/1.0">
>   <bean
> class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
>   <broker useJmx="false" brokerName="BrokerA" persistent="true"
> deleteAllMessagesOnStartup="false" start="true"
> shutdownOnMasterFailure="false" useLoggingForShutdownErrors="true"
> useShutdownHook="true" populateJMSXUserID="true" >
>     <managementContext>
>        <managementContext connectorPort="1099"
> jmxDomainName="org.apache.activemq"/>
>     </managementContext>
>
>     <persistenceAdapter>
>       <journaledJDBC journalLogFiles="5" useJournal="true"
> dataDirectory="/vol03/ActiveMQ/4.0.1/data/BrokerA"/>
>     </persistenceAdapter>
>
>     <transportConnectors>
>       <transportConnector name="default" uri="tcp://localhost:4501"
> discoveryUri="multicast://default"/>
>     </transportConnectors>
>
>     <networkConnectors>
>       <networkConnector name="default" uri="multicast://default"/>
>     </networkConnectors>
>   </broker>
> </beans>
>
>
>
>
> BrokerAbck.xml :
> ===========================================
> <beans xmlns="http://activemq.org/config/1.0">
>   <bean
> class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
>   <broker useJmx="false" brokerName="BrokerAbck" persistent="true"
> deleteAllMessagesOnStartup="false" start="true"
> shutdownOnMasterFailure="false" useLoggingForShutdownErrors="true"
> useShutdownHook="true" populateJMSXUserID="true" >
>     <managementContext>
>        <managementContext connectorPort="1099"
> jmxDomainName="org.apache.activemq"/>
>     </managementContext>
>
>     <persistenceAdapter>
>       <journaledJDBC journalLogFiles="5" useJournal="true"
> dataDirectory="/vol03/ActiveMQ/4.0.1/data/BrokerA"/>
>     </persistenceAdapter>
>
>     <transportConnectors>
>       <transportConnector name="default" uri="tcp://localhost:4501"
> discoveryUri="multicast://default"/>
>     </transportConnectors>
>
>     <networkConnectors>
>       <networkConnector name="default" uri="multicast://default"/>
>     </networkConnectors>
>   </broker>
> </beans>
> ===================================================
>
> BrokerA starts perfectly.
> BrokerAbck fails with the following error:
>
> ACTIVEMQ_HOME: /vol03/ActiveMQ/4.0.1
> Loading message broker from: xbean:file:../conf/BrokerA2.xml
> ERROR: java.lang.RuntimeException: Failed to execute start task. Reason:
> org.springframework.beans.factory.BeanCreationException: Error creating bean
> with name 'org.apache.activemq.store.PersistenceAdapterFactoryBean':
> FactoryBean threw exception on object creation; nested exception is
> java.io.IOException: Journal is already opened by another application
> ERROR: java.lang.Exception:
> org.springframework.beans.factory.BeanCreationException: Error creating bean
> with name 'org.apache.activemq.store.PersistenceAdapterFactoryBean':
> FactoryBean threw exception on object creation; nested exception is
> java.io.IOException: Journal is already opened by another application
>
>
> Can anyone help?
> I really need this to be working very soon.
> I haven't tried the Pure Master/Slave solution....and do not really want to
> as the recovery procedure isn't automatic.
>
> Thank you in advance
>
> Eric
> --
> View this message in context: http://www.nabble.com/Urgent-%3A-Problems-using-the-%27Shared-File-System-Master-Slave%27-feature-tf2541152.html#a7079969
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>
>


-- 

James
-------
http://radio.weblogs.com/0112098/

Re: Urgent : Problems using the 'Shared File System Master Slave' featur

Posted by "eric.renault" <er...@gmail.com>.
Hello again
I forgot to mention that I am using the SAN between 4 boxes.
L'et's call them Server1, Server2, Server3 and Server4.
They all share the "/vol03" dir via the disk array.
BrokerA is started on Server1
BrokerAbck is started on Server2
...etc

By the way I noticed sth odd :
removing these 2 properties : 'journalLogFiles="5" useJournal="true"' make
the broker unable to start...

Please Help



eric.renault wrote:
> 
> Hello all
> 
> I am experiencing troubles getting ActiveMQ use the master/slave on shared
> file system new feature.
> 
> Configuration :
> ActiveMQ 4.0.1 (home dir = /vol03/ActiveMQ/4.0.1)
> RedHat 4
> Disk Array on GFS
> 
> It looks straight forward on the web site, but I can't get it work.
> 
> Here is what the web site suggests :
> <persistenceAdapter>
>   <journaledJDBC dataDirectory="/sharedFileSystem/broker"/>
> </persistenceAdapter>
> 
> What I am trying to reach is pretty simple :
> 2 brokers in cluster:
>   "BrokerA" and "BrokerB".
> Each one of them has its slave...respectively:
>   "BrokerAbck" and "BrokerB2bck"
> 
> So I created 4 xml files:
> BrokerA.xml
> BrokerAbck.xml
> BrokerB.xml
> BrokerBbck.xml
> 
> BrokerA.xml :
> ===========================================
> <beans xmlns="http://activemq.org/config/1.0">
>   <bean
> class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
>   <broker useJmx="false" brokerName="BrokerA" persistent="true"
> deleteAllMessagesOnStartup="false" start="true"
> shutdownOnMasterFailure="false" useLoggingForShutdownErrors="true"
> useShutdownHook="true" populateJMSXUserID="true" >
>     <managementContext>
>        <managementContext connectorPort="1099"
> jmxDomainName="org.apache.activemq"/>
>     </managementContext>
>     
>     <persistenceAdapter>
>       <journaledJDBC journalLogFiles="5" useJournal="true"
> dataDirectory="/vol03/ActiveMQ/4.0.1/data/BrokerA"/>
>     </persistenceAdapter>
> 
>     <transportConnectors>
>       <transportConnector name="default" uri="tcp://localhost:4501"
> discoveryUri="multicast://default"/>
>     </transportConnectors>
>     
>     <networkConnectors>
>       <networkConnector name="default" uri="multicast://default"/>
>     </networkConnectors>
>   </broker>
> </beans>
> 
> 
> 
> 
> BrokerAbck.xml :
> ===========================================
> <beans xmlns="http://activemq.org/config/1.0">
>   <bean
> class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
>   <broker useJmx="false" brokerName="BrokerAbck" persistent="true"
> deleteAllMessagesOnStartup="false" start="true"
> shutdownOnMasterFailure="false" useLoggingForShutdownErrors="true"
> useShutdownHook="true" populateJMSXUserID="true" >
>     <managementContext>
>        <managementContext connectorPort="1099"
> jmxDomainName="org.apache.activemq"/>
>     </managementContext>
>     
>     <persistenceAdapter>
>       <journaledJDBC journalLogFiles="5" useJournal="true"
> dataDirectory="/vol03/ActiveMQ/4.0.1/data/BrokerA"/>
>     </persistenceAdapter>
> 
>     <transportConnectors>
>       <transportConnector name="default" uri="tcp://localhost:4501"
> discoveryUri="multicast://default"/>
>     </transportConnectors>
>     
>     <networkConnectors>
>       <networkConnector name="default" uri="multicast://default"/>
>     </networkConnectors>
>   </broker>
> </beans>
> ===================================================
> 
> BrokerA starts perfectly.
> BrokerAbck fails with the following error:
> 
> ACTIVEMQ_HOME: /vol03/ActiveMQ/4.0.1
> Loading message broker from: xbean:file:../conf/BrokerA2.xml
> ERROR: java.lang.RuntimeException: Failed to execute start task. Reason:
> org.springframework.beans.factory.BeanCreationException: Error creating
> bean with name 'org.apache.activemq.store.PersistenceAdapterFactoryBean':
> FactoryBean threw exception on object creation; nested exception is
> java.io.IOException: Journal is already opened by another application
> ERROR: java.lang.Exception:
> org.springframework.beans.factory.BeanCreationException: Error creating
> bean with name 'org.apache.activemq.store.PersistenceAdapterFactoryBean':
> FactoryBean threw exception on object creation; nested exception is
> java.io.IOException: Journal is already opened by another application
> 
> 
> Can anyone help?
> I really need this to be working very soon.
> I haven't tried the Pure Master/Slave solution....and do not really want
> to as the recovery procedure isn't automatic.
> 
> Thank you in advance
> 
> Eric
> 

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