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Title
Agent fails to start with the message of "Failed the start ActiveMQ server"

Summary

If you see the error message of "Failed the start ActiveMQ server" in the agent log, the issue may be resolved by following the workaround in the article.

Synopsis

Agent doesn't start up and the following error is recorded in the debug log.

2015-23-07 13:49:10,685 Starting message queue
2015-23-07 13:49:10,688 Starting broker
2015-23-07 13:49:10,688 broker: BrokerService[localhost]
2015-23-07 13:49:11,828 Failed the start ActiveMQ server
java.io.IOException: Could not locate data file data/kahadb/db-153.log
at org.apache.activemq.store.kahadb.disk.journal.Journal.getDataFile(Journal.java:353)
at org.apache.activemq.store.kahadb.disk.journal.Journal.getNextLocation(Journal.java:513)
at org.apache.activemq.store.kahadb.MessageDatabase.getRecoveryPosition(MessageDatabase.java:832)
at org.apache.activemq.store.kahadb.MessageDatabase.recover(MessageDatabase.java:556)
at org.apache.activemq.store.kahadb.MessageDatabase.open(MessageDatabase.java:369)
at org.apache.activemq.store.kahadb.MessageDatabase.load(MessageDatabase.java:387)
at org.apache.activemq.store.kahadb.MessageDatabase.doStart(MessageDatabase.java:240)
at org.apache.activemq.store.kahadb.KahaDBStore.doStart(KahaDBStore.java:180)
at org.apache.activemq.util.ServiceSupport.start(ServiceSupport.java:55)
at org.apache.activemq.store.kahadb.KahaDBPersistenceAdapter.doStart(KahaDBPersistenceAdapter.java:220)
at org.apache.activemq.util.ServiceSupport.start(ServiceSupport.java:55)
at org.apache.activemq.broker.BrokerService.doStartPersistenceAdapter(BrokerService.java:598)
at org.apache.activemq.broker.BrokerService.startPersistenceAdapter(BrokerService.java:587)
at org.apache.activemq.broker.BrokerService.start(BrokerService.java:552)
at com.flexnet.agent.Agent.start(Unknown Source)
at com.flexnet.agent.Agent.main(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.zerog.lax.LAX.launch(DashoA10*..)
at com.zerog.lax.LAX.main(DashoA10*..)


Workaround

  1. Please check if the running user of the agent process has write permission to "data/kahadb" folder.
  2. Rename or remove the "kahadb" folder after stopping the agent process. When agent is launched next time, new "kahadb" should be created and the issue will be gone.
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Agent fails to start with the message of "Failed the start ActiveMQ server"