I am trying to delete some of the vertices/edges from my graph db. But it
looks like it somehow got corrupted and it won't let me clean it up. Is
there a way to force deletion of a vertex or edge of certain class, other
than dropping and recreating the database from scratch?
orientdb {db=df}> delete edge SampleEdge
Error:
com.orientechnologies.orient.core.exception.OCommandExecutionException:
Error on execution of command: sql.select from SampleEdge
Error: java.lang.NullPointerException
orientdb {db=df}> delete vertex SampleVertex
Error: com.orientechnologies.orient.core.exception.ODatabaseException:
Error on retrieving record #-1:-90 (cluster: null)
Error: java.lang.IllegalArgumentException: Cannot read record #-1:-90 since
the position is invalid in database 'df'
orientdb {db=df}> delete vertex #22:39
Error: com.orientechnologies.orient.core.exception.ODatabaseException:
Error on retrieving record #-1:-90 (cluster: null)
Error: java.lang.IllegalArgumentException: Cannot read record #-1:-90 since
the position is invalid in database 'df'
orientdb {db=df}> select in_SampleEdge from #22:39
----+------+------------------
# |@CLASS|in_SampleEdge
----+------+------------------
0 |null |[size=1905]
----+------+------------------
orientdb {db=df}> select in() from #22:39
Error:
com.orientechnologies.orient.core.exception.OCommandExecutionException:
Error on execution of command: sql.select in() from #22:39
Error: java.lang.NullPointerException
If I run this from studio:
select from #22:39
the IN shows following, I guess the nulls in the beginning are the root
cause:
[null,null,null,null,null,null,null,null,null,null,null,"#16:14780","#16:14781","#16:14782","#16:14783","#16:14784","#16:14785","#16:14786","#16:14787","#16:14788","#16:14789","#16:14790","#16:14791",....]
Version 2.0, just updated to 2.0.1 and copied over the database, but the
issue persists. It may be related to multi-threading, I was pumping data
with multiple threads using transactions with commits and rollbacks if that
helps.
Thanks,
George
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