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Posted to commits@cassandra.apache.org by "Patricio Echague (JIRA)" <ji...@apache.org> on 2011/06/09 03:08:58 UTC
[jira] [Commented] (CASSANDRA-2386) sstable2json does not work on
snapshot without moving the files
[ https://issues.apache.org/jira/browse/CASSANDRA-2386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13046297#comment-13046297 ]
Patricio Echague commented on CASSANDRA-2386:
---------------------------------------------
The cause of this failure is that
{code} Descriptor.java {code}
{code}
public static Pair<Descriptor,String> fromFilename(File directory, String name)
{
// name of parent directory is keyspace name
String ksname = directory.getName();
{code}
For a snapshot path like this:
{code}/var/lib/cassandra/data/Keyspace1/snapshots/1307575216104{code}
produces an output: ksname == 1307575216104 (which is wrong).
It should be "Keyspace1"
> sstable2json does not work on snapshot without moving the files
> ---------------------------------------------------------------
>
> Key: CASSANDRA-2386
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2386
> Project: Cassandra
> Issue Type: Improvement
> Components: Tools
> Environment: Redhat Linux
> Reporter: Aslak Dirdal
> Assignee: Patricio Echague
> Priority: Minor
> Fix For: 0.8.1
>
>
> sstable2json ../data/MyKeyspace/snapshots/1301066898131-mysnapshot/dockeys-10-Data.db
> {
> Exception in thread "main" java.lang.NullPointerException: Unknown ColumnFamily dockeys in keyspace 1301066898131-mysnapshot
> at org.apache.cassandra.config.DatabaseDescriptor.getComparator(DatabaseDescriptor.java:1169)
> at org.apache.cassandra.db.ColumnFamily.create(ColumnFamily.java:68)
> at org.apache.cassandra.io.SSTableReader.makeColumnFamily(SSTableReader.java:582)
> at org.apache.cassandra.db.ColumnFamilySerializer.deserializeFromSSTable(ColumnFamilySerializer.java:158)
> at org.apache.cassandra.io.IteratingRow.getColumnFamily(IteratingRow.java:79)
> at org.apache.cassandra.tools.SSTableExport.serializeRow(SSTableExport.java:110)
> at org.apache.cassandra.tools.SSTableExport.export(SSTableExport.java:270)
> at org.apache.cassandra.tools.SSTableExport.export(SSTableExport.java:302)
> at org.apache.cassandra.tools.SSTableExport.export(SSTableExport.java:326)
> at org.apache.cassandra.tools.SSTableExport.main(SSTableExport.java:370)
> sstable2json seem to think that the foldername "1301066898131-mysnapshot" is the Keyspace name.
> Moving the *.db files to a folder with the same name as the Keyspace is a workaround.
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