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https://issues.apache.org/jira/browse/CASSANDRA-578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12782329#action_12782329
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Dan Di Spaltro commented on CASSANDRA-578:
------------------------------------------
I now seem to be getting tihs.
2009-11-25_06:42:26.20349 java.lang.NullPointerException
2009-11-25_06:42:26.20349 at
org.apache.cassandra.db.ColumnFamily.delete(ColumnFamily.java:252)
2009-11-25_06:42:26.20349 at
org.apache.cassandra.db.ColumnFamily.resolve(ColumnFamily.java:402)
2009-11-25_06:42:26.20349 at
org.apache.cassandra.db.Row.resolve(Row.java:62)
2009-11-25_06:42:26.20349 at
org.apache.cassandra.service.ReadResponseResolver.resolve(ReadResponseResolver.java:122)
2009-11-25_06:42:26.20349 at
org.apache.cassandra.service.ReadResponseResolver.resolve(ReadResponseResolver.java:46)
2009-11-25_06:42:26.20349 at
org.apache.cassandra.service.QuorumResponseHandler.get(QuorumResponseHandler.java:88)
2009-11-25_06:42:26.20349 at
org.apache.cassandra.service.StorageProxy.strongRead(StorageProxy.java:477)
2009-11-25_06:42:26.20349 at
org.apache.cassandra.service.StorageProxy.readProtocol(StorageProxy.java:381)
2009-11-25_06:42:26.20349 at
org.apache.cassandra.service.CassandraServer.readColumnFamily(CassandraServer.java:92)
2009-11-25_06:42:26.20349 at
org.apache.cassandra.service.CassandraServer.getSlice(CassandraServer.java:170)
2009-11-25_06:42:26.20349 at
org.apache.cassandra.service.CassandraServer.multigetSliceInternal(CassandraServer.java:245)
2009-11-25_06:42:26.20349 at
org.apache.cassandra.service.CassandraServer.get_slice(CassandraServer.java:208)
2009-11-25_06:42:26.20349 at
org.apache.cassandra.service.Cassandra$Processor$get_slice.process(Cassandra.java:758)
2009-11-25_06:42:26.20349 at
org.apache.cassandra.service.Cassandra$Processor.process(Cassandra.java:712)
2009-11-25_06:42:26.20349 at
org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:253)
2009-11-25_06:42:26.20349 at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
2009-11-25_06:42:26.20349 at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
2009-11-25_06:42:26.20349 at java.lang.Thread.run(Thread.java:636)
And I am not sure if this is related but it seems new too:
java.lang.RuntimeException: Unable to load comparator class ''. probably this
means you have obsolete sstables lying around
2009-11-25_06:55:56.50945 at
org.apache.cassandra.db.ColumnFamilySerializer.readComparator(ColumnFamilySerializer.java:136)
2009-11-25_06:55:56.50945 at
org.apache.cassandra.db.ColumnFamilySerializer.deserialize(ColumnFamilySerializer.java:107)
2009-11-25_06:55:56.50945 at
org.apache.cassandra.db.RowSerializer.deserialize(Row.java:110)
2009-11-25_06:55:56.50945 at
org.apache.cassandra.db.ReadResponseSerializer.deserialize(ReadResponse.java:122)
2009-11-25_06:55:56.50945 at
org.apache.cassandra.db.ReadResponseSerializer.deserialize(ReadResponse.java:98)
2009-11-25_06:55:56.50945 at
org.apache.cassandra.service.ReadResponseResolver.isDataPresent(ReadResponseResolver.java:154)
2009-11-25_06:55:56.50945 at
org.apache.cassandra.service.QuorumResponseHandler.response(QuorumResponseHandler.java:97)
2009-11-25_06:55:56.50945 at
org.apache.cassandra.net.ResponseVerbHandler.doVerb(ResponseVerbHandler.java:37)
2009-11-25_06:55:56.50945 at
org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:38)
2009-11-25_06:55:56.50945 at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
2009-11-25_06:55:56.50945 at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
2009-11-25_06:55:56.50945 at java.lang.Thread.run(Thread.java:636)
2009-11-25_06:55:56.50945 Caused by: java.lang.ClassNotFoundException:
2009-11-25_06:55:56.50945 at java.lang.Class.forName0(Native Method)
2009-11-25_06:55:56.50945 at java.lang.Class.forName(Class.java:186)
2009-11-25_06:55:56.50945 at
org.apache.cassandra.db.ColumnFamilySerializer.readComparator(ColumnFamilySerializer.java:132)
2009-11-25_06:55:56.50945 ... 11 more
2009-11-25_06:55:56.50945 ERROR - Fatal exception in thread
Thread[RESPONSE-STAGE:2,5,main]
2009-11-25_06:55:56.50945 java.lang.RuntimeException: Unable to load comparator
class ''. probably this means you have obsolete sstables lying around
2009-11-25_06:55:56.50945 at
org.apache.cassandra.db.ColumnFamilySerializer.readComparator(ColumnFamilySerializer.java:136)
2009-11-25_06:55:56.50945 at
org.apache.cassandra.db.ColumnFamilySerializer.deserialize(ColumnFamilySerializer.java:107)
2009-11-25_06:55:56.50945 at
org.apache.cassandra.db.RowSerializer.deserialize(Row.java:110)
2009-11-25_06:55:56.50945 at
org.apache.cassandra.db.ReadResponseSerializer.deserialize(ReadResponse.java:122)
2009-11-25_06:55:56.50945 at
org.apache.cassandra.db.ReadResponseSerializer.deserialize(ReadResponse.java:98)
2009-11-25_06:55:56.50945 at
org.apache.cassandra.service.ReadResponseResolver.isDataPresent(ReadResponseResolver.java:154)
2009-11-25_06:55:56.50945 at
org.apache.cassandra.service.QuorumResponseHandler.response(QuorumResponseHandler.java:97)
2009-11-25_06:55:56.50945 at
org.apache.cassandra.net.ResponseVerbHandler.doVerb(ResponseVerbHandler.java:37)
2009-11-25_06:55:56.50945 at
org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:38)
2009-11-25_06:55:56.50945 at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
2009-11-25_06:55:56.50945 at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
2009-11-25_06:55:56.50945 at java.lang.Thread.run(Thread.java:636)
2009-11-25_06:55:56.50945 Caused by: java.lang.ClassNotFoundException:
2009-11-25_06:55:56.50945 at java.lang.Class.forName0(Native Method)
2009-11-25_06:55:56.50945 at java.lang.Class.forName(Class.java:186)
2009-11-25_06:55:56.50945 at
org.apache.cassandra.db.ColumnFamilySerializer.readComparator(ColumnFamilySerializer.java:132)
2009-11-25_06:55:56.50945 ... 11 more
> get_range_slice NPE
> -------------------
>
> Key: CASSANDRA-578
> URL: https://issues.apache.org/jira/browse/CASSANDRA-578
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 0.5
> Reporter: Dan Di Spaltro
> Assignee: Jonathan Ellis
> Fix For: 0.5
>
> Attachments:
> 0001-CASSANDRA-578-r-m-unused-Row-code-and-move-table-vari.txt,
> 0002-make-Row-contain-a-single-final-CF-reference.txt,
> 0003-allow-serializing-null-CF-add-get_range_slice-test.patch
>
>
> If I call get_range_slice with arguments in the SliceRange structure, then it
> seems to NPE. I think it only does it when there is nothing in the range
> specified in the column slice start and end.
> ERROR - Error in ThreadPoolExecutor
> java.lang.RuntimeException: java.lang.NullPointerException
> at
> org.apache.cassandra.service.RangeSliceVerbHandler.doVerb(RangeSliceVerbHandler.java:55)
> at
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:38)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> Caused by: java.lang.NullPointerException
> at org.apache.cassandra.db.Row.addColumnFamily(Row.java:96)
> at
> org.apache.cassandra.db.ColumnFamilyStore.getRangeSlice(ColumnFamilyStore.java:1469)
> at
> org.apache.cassandra.service.RangeSliceVerbHandler.doVerb(RangeSliceVerbHandler.java:41)
> ... 4 more
> ERROR - Fatal exception in thread Thread[ROW-READ-STAGE:8,5,main]
> java.lang.RuntimeException: java.lang.NullPointerException
> at
> org.apache.cassandra.service.RangeSliceVerbHandler.doVerb(RangeSliceVerbHandler.java:55)
> at
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:38)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> Caused by: java.lang.NullPointerException
> at org.apache.cassandra.db.Row.addColumnFamily(Row.java:96)
> at
> org.apache.cassandra.db.ColumnFamilyStore.getRangeSlice(ColumnFamilyStore.java:1469)
> at
> org.apache.cassandra.service.RangeSliceVerbHandler.doVerb(RangeSliceVerbHandler.java:41)
> ... 4 more
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