[
https://issues.apache.org/jira/browse/HDDS-10094?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17807841#comment-17807841
]
Sadanand Shenoy commented on HDDS-10094:
----------------------------------------
This can be resolved once HDDS-10110 gets in.
> OM start failure due to failure to parse OM metrics file.
> ----------------------------------------------------------
>
> Key: HDDS-10094
> URL: https://issues.apache.org/jira/browse/HDDS-10094
> Project: Apache Ozone
> Issue Type: Bug
> Components: Ozone Manager
> Affects Versions: 1.4.0
> Reporter: Sadanand Shenoy
> Assignee: Sadanand Shenoy
> Priority: Major
> Labels: pull-request-available
>
> It seems that OM stores some metrics like volume/bucket/key counts in metrics
> file and then during a restart fetches it from there.
> During a run , it was observed that OM failed to start due to parsing error
> of the file
> {code:java}
> OM start failed with exception
> com.fasterxml.jackson.databind.exc.MismatchedInputException: No content to
> map due to end-of-input
> at [Source: (File); line: 1, column: 0]
> at
> com.fasterxml.jackson.databind.exc.MismatchedInputException.from(MismatchedInputException.java:59)
> at
> com.fasterxml.jackson.databind.DeserializationContext.reportInputMismatch(DeserializationContext.java:1741)
> at
> com.fasterxml.jackson.databind.ObjectReader._initForReading(ObjectReader.java:359)
> at
> com.fasterxml.jackson.databind.ObjectReader._bindAndClose(ObjectReader.java:2041)
> at
> com.fasterxml.jackson.databind.ObjectReader.readValue(ObjectReader.java:1599)
> at org.apache.hadoop.ozone.om.OzoneManager.start(OzoneManager.java:1639)
> at
> org.apache.hadoop.ozone.om.OzoneManagerStarter$OMStarterHelper.start(OzoneManagerStarter.java:190)
> at
> org.apache.hadoop.ozone.om.OzoneManagerStarter.startOm(OzoneManagerStarter.java:86)
> at
> org.apache.hadoop.ozone.om.OzoneManagerStarter.call(OzoneManagerStarter.java:74)
> at org.apache.hadoop.hdds.cli.GenericCli.call(GenericCli.java:38)
> at picocli.CommandLine.executeUserObject(CommandLine.java:1953)
> at picocli.CommandLine.access$1300(CommandLine.java:145)
> at
> picocli.CommandLine$RunLast.executeUserObjectOfLastSubcommandWithSameParent(CommandLine.java:2352)
> {code}
> We should catch the exception and read from DB in such cases preventing OM
> from shutting down.
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
