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From "Suchitha Koneru \(sukoneru\)" <sukon...@cisco.com>
Subject Journal locked exceptions.
Date Fri, 09 Mar 2007 01:37:48 GMT
Hello active Mq users , 
                    I am getting a journal Locked Exception , when ever
I re start tomcat. How come the journal is still locked , when the
broker is stopped.
The following is the exception 
 
org.apache.activeio.journal.active.JournalLockedException: Journal is
already opened by this application.
        at
org.apache.activeio.journal.active.ControlFile.lock(ControlFile.java:77)
        at
org.apache.activeio.journal.active.LogFileManager.initialize(LogFileMana
ger.java:121)
        at
org.apache.activeio.journal.active.LogFileManager.<init>(LogFileManager.
java:102)
        at
org.apache.activeio.journal.active.JournalImpl.<init>(JournalImpl.java:1
01)
        at
org.apache.activemq.store.DefaultPersistenceAdapterFactory.createJournal
(DefaultPersistenceAdapterFactory.jav
a:198)
        at
org.apache.activemq.store.DefaultPersistenceAdapterFactory.getJournal(De
faultPersistenceAdapterFactory.java:1
34)
        at
org.apache.activemq.store.DefaultPersistenceAdapterFactory.createPersist
enceAdapter(DefaultPersistenceAdapter
Factory.java:63)
        at
org.apache.activemq.broker.BrokerService.createPersistenceAdapter(Broker
Service.java:968)
        at
org.apache.activemq.broker.BrokerService.getPersistenceAdapter(BrokerSer
vice.java:559)
        at
org.apache.activemq.broker.BrokerService.createRegionBroker(BrokerServic
e.java:929)
        at
org.apache.activemq.broker.BrokerService.createBroker(BrokerService.java
:888)
        at
org.apache.activemq.broker.BrokerService.getBroker(BrokerService.java:45
8)
        at
org.apache.activemq.broker.BrokerService.addConnector(BrokerService.java
:143)
        at
org.apache.activemq.broker.BrokerService.addConnector(BrokerService.java
:133)
        at
com.cisco.cpnm.common.messaging.ActiveMQBrokerServlet.init(ActiveMQBroke
rServlet.java:26)
 
 
 The active mq  version being used is 4.0.2 . I am starting the broker
from tomcat 5.5.20's conf/web.xml .
 
<servlet>
        <servlet-name>activemqbroker</servlet-name>
        
        <servlet-class>
              com.cisco.cpnm.common.messaging.ActiveMQBrokerServlet
        </servlet-class>
       
        <load-on-startup>6</load-on-startup>
 </servlet>.
 
the code for the servlet , which starts the broker is 
 
public class ActiveMQBrokerServlet extends GenericServlet{

BrokerService broker ;

public void init(ServletConfig config) throws ServletException {

try{

broker = new BrokerService();

System.out.println("Starting ActiveMQ Broker Service...");

//for the broker URI , do not have leading or trailing spaces

File dir = new File("../../activemq");

dir.mkdir();

broker.setDataDirectory(dir);

broker.addConnector("tcp://localhost:61616?trace=true&wireFormat.maxInac
tivityDuration=-1");

broker.start();

System.out.println("Active MQ Broker Started at local host port 61616");

}catch(Exception e){

e.printStackTrace();

}

}

public void destroy(){

try{

broker.stop();

System.out.println("Active MQ Broker Stopped at localhost port 61616");

}catch(Exception e){

System.err.println(e.getMessage());

e.printStackTrace();

throw new RuntimeException(e);

}

}

}

The jars needed by active are placed in Tomcat's shared/lib folder.
Please let me know, as to how to overcome this issue.
 
thanks,
Suchitha.
 

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