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From "Gary Tully (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (AMQ-6670) KahaDB - Inconsistent error handling on corrupt journal reads
Date Fri, 05 May 2017 14:47:04 GMT

     [ https://issues.apache.org/jira/browse/AMQ-6670?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gary Tully resolved AMQ-6670.
-----------------------------
    Resolution: Fixed

> KahaDB - Inconsistent error handling on corrupt journal reads
> -------------------------------------------------------------
>
>                 Key: AMQ-6670
>                 URL: https://issues.apache.org/jira/browse/AMQ-6670
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: KahaDB, Message Store
>    Affects Versions: 5.14.0
>            Reporter: Gary Tully
>            Assignee: Gary Tully
>             Fix For: 5.15.0
>
>
> When the journal is corrupt, for example if it is overwritten with null or zero. The
result of reading from corrupt locations is inconsistent. 
> Errors occur but not all result in a trip to the IOExceptionHander where the option to
stop the broker is available.
> ClassCastExceptions and RuntimeExceptions can bubble up to the cursors in error.
> {code}ERROR | Failed to page in more queue messages  | org.apache.activemq.broker.region.Queue
| ActiveMQ BrokerService[XXXXX] Task-300
> java.lang.RuntimeException: java.lang.RuntimeException: java.lang.ClassCastException:
org.apache.activemq.store.kahadb.data.KahaTraceCommand cannot be cast to org.apache.activemq.store.kahadb.data.KahaAddMessageCommand
> 	at org.apache.activemq.broker.region.cursors.AbstractStoreCursor.reset(AbstractStoreCursor.java:145){code}
> or {code}ERROR | Failed to load message at: 1084:12816246 | org.apache.activemq.store.kahadb.KahaDBStore
| ActiveMQ BrokerService[XXXX] Task-702
> org.apache.activemq.protobuf.InvalidProtocolBufferException: Protocol message contained
an invalid tag (zero).
> 	at org.apache.activemq.protobuf.InvalidProtocolBufferException.invalidTag(InvalidProtocolBufferException.java:48)
> 	at org.apache.activemq.protobuf.CodedInputStream.readTag(CodedInputStream.java:75) {code}



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