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https://issues.apache.org/jira/browse/ACTIVEMQ6-102?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14537883#comment-14537883
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ASF GitHub Bot commented on ACTIVEMQ6-102:
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GitHub user andytaylor opened a pull request:
https://github.com/apache/activemq-artemis/pull/239
ACTIVEMQ6-102 - fix check for scaledown when creating journal loader
https://issues.apache.org/jira/browse/ACTIVEMQ6-102
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/andytaylor/activemq-artemis master
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/activemq-artemis/pull/239.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #239
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commit 0b50aaba21ea8cb55cd45d64547d1a4108da2788
Author: Andy Taylor <[email protected]>
Date: 2015-05-11T12:22:09Z
ACTIVEMQ6-102 - fix check for scaledown when creating journal loader
https://issues.apache.org/jira/browse/ACTIVEMQ6-102
----
> NPE during shared store slave activation
> ----------------------------------------
>
> Key: ACTIVEMQ6-102
> URL: https://issues.apache.org/jira/browse/ACTIVEMQ6-102
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Reporter: Jeff Mesnil
>
> Use case:
> * start a shared-store-master server with failover-on-server-shutdown=true
> * start a shared-store-slave server with scale-down enabled=false
> (scaleDownPolicy is not null though)
> * stop the master server, a NPE occurs during the slave activation:
> {noformat}
> 13:34:01,561 ERROR [org.apache.activemq.artemis.core.server] (AMQ119000:
> Activation for server
> ActiveMQServerImpl::serverUUID=44846429-f7d1-11e4-a3b3-f15b1ddcb38d)
> AMQ224000: Failure in initialisation: java.lang.NullPointerException
> at
> org.apache.activemq.artemis.core.server.impl.BackupRecoveryJournalLoader.postLoad(BackupRecoveryJournalLoader.java:93)
> at
> org.apache.activemq.artemis.core.persistence.impl.journal.JournalStorageManager.loadMessageJournal(JournalStorageManager.java:1947)
> at
> org.apache.activemq.artemis.core.server.impl.ActiveMQServerImpl.loadJournals(ActiveMQServerImpl.java:1977)
> at
> org.apache.activemq.artemis.core.server.impl.ActiveMQServerImpl.initialisePart2(ActiveMQServerImpl.java:1840)
> at
> org.apache.activemq.artemis.core.server.impl.SharedStoreBackupActivation.run(SharedStoreBackupActivation.java:88)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
> The NPE is caused by the slave's parentServer which is null.
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