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Posted to dev@lucene.apache.org by "Oliver Bates (JIRA)" <ji...@apache.org> on 2017/01/09 19:27:58 UTC
[jira] [Updated] (SOLR-9949) Non-serializable
AlreadyClosedException returned by MBeanServer
[ https://issues.apache.org/jira/browse/SOLR-9949?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Oliver Bates updated SOLR-9949:
-------------------------------
Attachment: SOLR-9949.diff
> Non-serializable AlreadyClosedException returned by MBeanServer
> ---------------------------------------------------------------
>
> Key: SOLR-9949
> URL: https://issues.apache.org/jira/browse/SOLR-9949
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: JMX
> Affects Versions: 4.8
> Reporter: Oliver Bates
> Priority: Minor
> Fix For: 5.3.1
>
> Attachments: SOLR-9949.diff
>
>
> Solr JMX monitoring agent is throwing InvalidClassException when trying to deserialize AlreadyClosedException thrown by Solr during JMX stat fetching.
> Stack trace:
> org.apache.lucene.store.AlreadyClosedException; local class incompatible: stream classdesc serialVersionUID = 5608155941692732578, local class serialVersionUID = -1978883495828278874"
> java.rmi.UnmarshalException: Error unmarshaling return; nested exception is:
> java.io.InvalidClassException: org.apache.lucene.store.AlreadyClosedException; local class incompatible: stream classdesc serialVersionUID = 5608155941692732578, local class serialVersionUID = -1978883495828278874"
> The serialVersionUID value computed by java at runtime changed when a new constructor was added with a 'cause' field.
> AlreadyClosedExceptions can be thrown by the MBean server if a remote instance is trying to access stats on a recently deleted core for instance. In this case, the exception is serialized/deserialized by the MBean handler which can cause InvalidClassExceptions if the monitoring service is using a different version of lucene. Since Lucene doesn't want to implement Serializable, these exceptions should be propagated up to the MBeanServer.
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