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https://issues.apache.org/jira/browse/CASSANDRA-13264?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15882973#comment-15882973
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Chris Lohfink commented on CASSANDRA-13264:
-------------------------------------------
Oh I see, the sstable was missing some components. Adding some checks would be
a great improvement.
> NullPointerException in sstabledump
> -----------------------------------
>
> Key: CASSANDRA-13264
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13264
> Project: Cassandra
> Issue Type: Bug
> Components: Compaction
> Environment: Cassandra 3.0.9
> Java HotSpot(TM) 64-Bit Server VM version 25.112-b15 (Java version
> 1.8.0_112-b15)
> Linux 3.16
> Reporter: Christian Esken
> Priority: Minor
> Labels: twcs
>
> sstabledump can fail with NullPointerException, when not all files are
> present on Disk. This behavior is frequently present on Cassandra nodes with
> a high write-throughput and much disk I/O. It looks like Cassandra writes the
> Data file fast, and the other files (Statistics, ...) later when it has time
> to do so. This can be even a minute later. Technically it is OK for the
> Cassandra DB itself, but the sstabledump tool does not handle this gracefully.
> Current behavior:
> - NullPointerException (see below)
> Expected behavior:
> - More graceful behavior, e.g. a message to STDERR
> PS: This is minor priority, I may pick up the ticket myself if nobody else is
> faster.
> -----
> {code}
> ~/apache-cassandra-3.9/tools/bin/sstabledump /appdata/mc-53346-big-Data.db
> Exception in thread "main" java.lang.NullPointerException
> at
> org.apache.cassandra.utils.FBUtilities.newPartitioner(FBUtilities.java:429)
> at
> org.apache.cassandra.tools.SSTableExport.metadataFromSSTable(SSTableExport.java:104)
> at
> org.apache.cassandra.tools.SSTableExport.main(SSTableExport.java:180)
> {code}
> FBUtilities.java:429 is the following line, and validationMetadata == null:
> bq. if (validationMetadata.partitioner.endsWith("LocalPartitioner"))
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