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https://issues.apache.org/jira/browse/CASSANDRA-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12741674#action_12741674
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Bill de hOra edited comment on CASSANDRA-358 at 8/11/09 4:00 AM:
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This thing really didn't want to be called twice in a running jvm.
Changed to add 3 states
* called and no LocationInfo CF - create it (as per current code)
* called and LocationInfo CF found but no - bump generation it (as per current
code)
* called and LocationInfo CF found but we know it was just created - return
the available LocationInfo CF data as is
The NPE happens I think because the query filter doesn't include the token in
its columns (generation included and found but not token). Even then you still
need to know whether it's a restart or a new create so the first minted token
is stashed in a static, which is how it knows LocationInfo CF has been created
in this jvm runtime.
was (Author: dehora):
This thing really didn't want to be called twice in a running jvm.
Changed to add 3 states
* called and no LocationInfo CF - create it (as per current code)
* called and LocationInfo CF found but no - bump generation it (as per current
code)
* called and LocationInfo CF found but we know it was just created - return
the available LocationInfo CF data as is
The NPE happens I think because the query filter doesn't include the token in
its columns (generation included and found but not token). Even then you still
need to know whether it's a restart or a new create so the first minted token
is stashed in a static, which is how know it's just been created in this jvm
runtime.
> SystemTable.initMetadata throws an NPE when called twice
> --------------------------------------------------------
>
> Key: CASSANDRA-358
> URL: https://issues.apache.org/jira/browse/CASSANDRA-358
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Jeff Hodges
> Attachments: 358-3.patch
>
>
> While this is not the expected use case of it, SystemTable.initMetadata
> throws an NPE when called twice in the same process. The error points to
> tokenColumn being null even through cf is not at line 111.
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