[jira] [Updated] (CASSANDRA-2653) index scan errors out when zero columns are requested

2011-06-29 Thread Sylvain Lebresne (JIRA) 

 [ 
https://issues.apache.org/jira/browse/CASSANDRA-2653?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Sylvain Lebresne updated CASSANDRA-2653:


Attachment: 0001-Fix-scan-issue.patch

Actually, after having committed it, I realize there is a few issue with the 
previous patch. Two mostly:
# If the extraFilter query finds nothing (which it will only in case of the 
race between write and reads), getColumnFamily() will return null and the 
data.addAll() will NPE
# For 0.8 and for counters, we must make really sure that this extra query 
won't add column that were returned by the first query (which can happen in the 
current code), otherwise we'll overcount. I think this is actually a bug that 
predate the fix for this.

Anyway, attaching 0001-Fix-scan-issue that fixes both of those issue. It also 
add a slight optimization that avoids doing extra work if we know an extra 
query won't help.

 index scan errors out when zero columns are requested
 -

 Key: CASSANDRA-2653
 URL: https://issues.apache.org/jira/browse/CASSANDRA-2653
 Project: Cassandra
  Issue Type: Bug
  Components: Core
Affects Versions: 0.7.6, 0.8.0 beta 2
Reporter: Jonathan Ellis
Assignee: Sylvain Lebresne
Priority: Minor
 Fix For: 0.7.7, 0.8.2

 Attachments: 0001-Fix-scan-issue.patch, 
 0001-Handle-data-get-returning-null-in-secondary-indexes.patch, 
 0001-Handle-null-returns-in-data-index-query-v0.7.patch, 
 0001-Reset-SSTII-in-EchoedRow-constructor.patch, 2653_v2.patch, 
 2653_v3.patch, v1-0001-CASSANDRA-2653-reproduce-regression.txt


 As reported by Tyler Hobbs as an addendum to CASSANDRA-2401,
 {noformat}
 ERROR 16:13:38,864 Fatal exception in thread Thread[ReadStage:16,5,main]
 java.lang.AssertionError: No data found for 
 SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], 
 finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, 
 count=0] in DecoratedKey(81509516161424251288255223397843705139, 
 6b657931):QueryPath(columnFamilyName='cf', superColumnName='null', 
 columnName='null') (original filter 
 SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], 
 finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, 
 count=0]) from expression 'cf.626972746864617465 EQ 1'
   at 
 org.apache.cassandra.db.ColumnFamilyStore.scan(ColumnFamilyStore.java:1517)
   at 
 org.apache.cassandra.service.IndexScanVerbHandler.doVerb(IndexScanVerbHandler.java:42)
   at 
 org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:72)
   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:662)
 {noformat}

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[jira] [Updated] (CASSANDRA-2653) index scan errors out when zero columns are requested

2011-06-28 Thread Sylvain Lebresne (JIRA) 

 [ 
https://issues.apache.org/jira/browse/CASSANDRA-2653?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Sylvain Lebresne updated CASSANDRA-2653:


Attachment: 2653_v3.patch

 index scan errors out when zero columns are requested
 -

 Key: CASSANDRA-2653
 URL: https://issues.apache.org/jira/browse/CASSANDRA-2653
 Project: Cassandra
  Issue Type: Bug
  Components: Core
Affects Versions: 0.7.6, 0.8.0 beta 2
Reporter: Jonathan Ellis
Assignee: Sylvain Lebresne
Priority: Minor
 Fix For: 0.7.7, 0.8.1

 Attachments: 
 0001-Handle-data-get-returning-null-in-secondary-indexes.patch, 
 0001-Handle-null-returns-in-data-index-query-v0.7.patch, 
 0001-Reset-SSTII-in-EchoedRow-constructor.patch, 2653_v2.patch, 
 2653_v3.patch, v1-0001-CASSANDRA-2653-reproduce-regression.txt


 As reported by Tyler Hobbs as an addendum to CASSANDRA-2401,
 {noformat}
 ERROR 16:13:38,864 Fatal exception in thread Thread[ReadStage:16,5,main]
 java.lang.AssertionError: No data found for 
 SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], 
 finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, 
 count=0] in DecoratedKey(81509516161424251288255223397843705139, 
 6b657931):QueryPath(columnFamilyName='cf', superColumnName='null', 
 columnName='null') (original filter 
 SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], 
 finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, 
 count=0]) from expression 'cf.626972746864617465 EQ 1'
   at 
 org.apache.cassandra.db.ColumnFamilyStore.scan(ColumnFamilyStore.java:1517)
   at 
 org.apache.cassandra.service.IndexScanVerbHandler.doVerb(IndexScanVerbHandler.java:42)
   at 
 org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:72)
   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:662)
 {noformat}

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[jira] [Updated] (CASSANDRA-2653) index scan errors out when zero columns are requested

2011-06-28 Thread Jonathan Ellis (JIRA) 

 [ 
https://issues.apache.org/jira/browse/CASSANDRA-2653?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Jonathan Ellis updated CASSANDRA-2653:
--

Fix Version/s: (was: 0.8.1)
   0.8.2

 index scan errors out when zero columns are requested
 -

 Key: CASSANDRA-2653
 URL: https://issues.apache.org/jira/browse/CASSANDRA-2653
 Project: Cassandra
  Issue Type: Bug
  Components: Core
Affects Versions: 0.7.6, 0.8.0 beta 2
Reporter: Jonathan Ellis
Assignee: Sylvain Lebresne
Priority: Minor
 Fix For: 0.7.7, 0.8.2

 Attachments: 
 0001-Handle-data-get-returning-null-in-secondary-indexes.patch, 
 0001-Handle-null-returns-in-data-index-query-v0.7.patch, 
 0001-Reset-SSTII-in-EchoedRow-constructor.patch, 2653_v2.patch, 
 2653_v3.patch, v1-0001-CASSANDRA-2653-reproduce-regression.txt


 As reported by Tyler Hobbs as an addendum to CASSANDRA-2401,
 {noformat}
 ERROR 16:13:38,864 Fatal exception in thread Thread[ReadStage:16,5,main]
 java.lang.AssertionError: No data found for 
 SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], 
 finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, 
 count=0] in DecoratedKey(81509516161424251288255223397843705139, 
 6b657931):QueryPath(columnFamilyName='cf', superColumnName='null', 
 columnName='null') (original filter 
 SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], 
 finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, 
 count=0]) from expression 'cf.626972746864617465 EQ 1'
   at 
 org.apache.cassandra.db.ColumnFamilyStore.scan(ColumnFamilyStore.java:1517)
   at 
 org.apache.cassandra.service.IndexScanVerbHandler.doVerb(IndexScanVerbHandler.java:42)
   at 
 org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:72)
   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:662)
 {noformat}

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[jira] [Updated] (CASSANDRA-2653) index scan errors out when zero columns are requested

2011-06-27 Thread Sylvain Lebresne (JIRA) 

 [ 
https://issues.apache.org/jira/browse/CASSANDRA-2653?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Sylvain Lebresne updated CASSANDRA-2653:


Attachment: 2653_v2.patch

I actually agree with taking the impact. Especially given that there is 
actually very little cases where it will make an actual difference anyway.

Attaching patch (2653_v2, based on 0.7) that implement the idea and add back 
the sanity check.

 index scan errors out when zero columns are requested
 -

 Key: CASSANDRA-2653
 URL: https://issues.apache.org/jira/browse/CASSANDRA-2653
 Project: Cassandra
  Issue Type: Bug
  Components: Core
Affects Versions: 0.7.6, 0.8.0 beta 2
Reporter: Jonathan Ellis
Assignee: Sylvain Lebresne
Priority: Minor
 Fix For: 0.7.7, 0.8.1

 Attachments: 
 0001-Handle-data-get-returning-null-in-secondary-indexes.patch, 
 0001-Handle-null-returns-in-data-index-query-v0.7.patch, 
 0001-Reset-SSTII-in-EchoedRow-constructor.patch, 2653_v2.patch, 
 v1-0001-CASSANDRA-2653-reproduce-regression.txt


 As reported by Tyler Hobbs as an addendum to CASSANDRA-2401,
 {noformat}
 ERROR 16:13:38,864 Fatal exception in thread Thread[ReadStage:16,5,main]
 java.lang.AssertionError: No data found for 
 SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], 
 finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, 
 count=0] in DecoratedKey(81509516161424251288255223397843705139, 
 6b657931):QueryPath(columnFamilyName='cf', superColumnName='null', 
 columnName='null') (original filter 
 SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], 
 finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, 
 count=0]) from expression 'cf.626972746864617465 EQ 1'
   at 
 org.apache.cassandra.db.ColumnFamilyStore.scan(ColumnFamilyStore.java:1517)
   at 
 org.apache.cassandra.service.IndexScanVerbHandler.doVerb(IndexScanVerbHandler.java:42)
   at 
 org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:72)
   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:662)
 {noformat}

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[jira] [Updated] (CASSANDRA-2653) index scan errors out when zero columns are requested

2011-06-22 Thread Sylvain Lebresne (JIRA) 

 [ 
https://issues.apache.org/jira/browse/CASSANDRA-2653?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Sylvain Lebresne updated CASSANDRA-2653:


Attachment: 0001-Handle-data-get-returning-null-in-secondary-indexes.patch

The Tyler problem is actually not limited to 0 column query. The problem is 
that when we query the rows for data, we use whatever filter the user provided 
(there's a number of optimiziation in the case we have more than 1 clause but 
that doesn't really matter for our problem). The thing is, there is no 
guarantee that whatever that filter is, it will include the column of the 
primary clause (having a column count of 0 is just one case where we're sure it 
won't include it). Thus the assertion that something will be returned is bogus.

Attaching a patch (against 0.8) to fix. Note that this mean we have no way to 
assert the sanity of the index during a read, unless we force the querying of 
the primary index clause, but this will have a performance impact (and a non 
negligible one in cases this would force us to do a new query just for that).


 index scan errors out when zero columns are requested
 -

 Key: CASSANDRA-2653
 URL: https://issues.apache.org/jira/browse/CASSANDRA-2653
 Project: Cassandra
  Issue Type: Bug
  Components: Core
Affects Versions: 0.8.0 beta 2
Reporter: Jonathan Ellis
Assignee: Sylvain Lebresne
Priority: Minor
 Fix For: 0.8.1

 Attachments: 
 0001-Handle-data-get-returning-null-in-secondary-indexes.patch, 
 0001-Reset-SSTII-in-EchoedRow-constructor.patch, 
 v1-0001-CASSANDRA-2653-reproduce-regression.txt


 As reported by Tyler Hobbs as an addendum to CASSANDRA-2401,
 {noformat}
 ERROR 16:13:38,864 Fatal exception in thread Thread[ReadStage:16,5,main]
 java.lang.AssertionError: No data found for 
 SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], 
 finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, 
 count=0] in DecoratedKey(81509516161424251288255223397843705139, 
 6b657931):QueryPath(columnFamilyName='cf', superColumnName='null', 
 columnName='null') (original filter 
 SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], 
 finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, 
 count=0]) from expression 'cf.626972746864617465 EQ 1'
   at 
 org.apache.cassandra.db.ColumnFamilyStore.scan(ColumnFamilyStore.java:1517)
   at 
 org.apache.cassandra.service.IndexScanVerbHandler.doVerb(IndexScanVerbHandler.java:42)
   at 
 org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:72)
   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:662)
 {noformat}

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[jira] [Updated] (CASSANDRA-2653) index scan errors out when zero columns are requested

2011-06-22 Thread Sylvain Lebresne (JIRA) 

 [ 
https://issues.apache.org/jira/browse/CASSANDRA-2653?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Sylvain Lebresne updated CASSANDRA-2653:


Attachment: 0001-Handle-null-returns-in-data-index-query-v0.7.patch

This also affects 0.7 actually so attaching a patch for 0.7.

 index scan errors out when zero columns are requested
 -

 Key: CASSANDRA-2653
 URL: https://issues.apache.org/jira/browse/CASSANDRA-2653
 Project: Cassandra
  Issue Type: Bug
  Components: Core
Affects Versions: 0.8.0 beta 2
Reporter: Jonathan Ellis
Assignee: Sylvain Lebresne
Priority: Minor
 Fix For: 0.8.1

 Attachments: 
 0001-Handle-data-get-returning-null-in-secondary-indexes.patch, 
 0001-Handle-null-returns-in-data-index-query-v0.7.patch, 
 0001-Reset-SSTII-in-EchoedRow-constructor.patch, 
 v1-0001-CASSANDRA-2653-reproduce-regression.txt


 As reported by Tyler Hobbs as an addendum to CASSANDRA-2401,
 {noformat}
 ERROR 16:13:38,864 Fatal exception in thread Thread[ReadStage:16,5,main]
 java.lang.AssertionError: No data found for 
 SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], 
 finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, 
 count=0] in DecoratedKey(81509516161424251288255223397843705139, 
 6b657931):QueryPath(columnFamilyName='cf', superColumnName='null', 
 columnName='null') (original filter 
 SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], 
 finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, 
 count=0]) from expression 'cf.626972746864617465 EQ 1'
   at 
 org.apache.cassandra.db.ColumnFamilyStore.scan(ColumnFamilyStore.java:1517)
   at 
 org.apache.cassandra.service.IndexScanVerbHandler.doVerb(IndexScanVerbHandler.java:42)
   at 
 org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:72)
   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:662)
 {noformat}

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[jira] [Updated] (CASSANDRA-2653) index scan errors out when zero columns are requested

2011-06-22 Thread Sylvain Lebresne (JIRA) 

 [ 
https://issues.apache.org/jira/browse/CASSANDRA-2653?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Sylvain Lebresne updated CASSANDRA-2653:


Affects Version/s: 0.7.6
Fix Version/s: 0.7.7

 index scan errors out when zero columns are requested
 -

 Key: CASSANDRA-2653
 URL: https://issues.apache.org/jira/browse/CASSANDRA-2653
 Project: Cassandra
  Issue Type: Bug
  Components: Core
Affects Versions: 0.7.6, 0.8.0 beta 2
Reporter: Jonathan Ellis
Assignee: Sylvain Lebresne
Priority: Minor
 Fix For: 0.7.7, 0.8.1

 Attachments: 
 0001-Handle-data-get-returning-null-in-secondary-indexes.patch, 
 0001-Handle-null-returns-in-data-index-query-v0.7.patch, 
 0001-Reset-SSTII-in-EchoedRow-constructor.patch, 
 v1-0001-CASSANDRA-2653-reproduce-regression.txt


 As reported by Tyler Hobbs as an addendum to CASSANDRA-2401,
 {noformat}
 ERROR 16:13:38,864 Fatal exception in thread Thread[ReadStage:16,5,main]
 java.lang.AssertionError: No data found for 
 SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], 
 finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, 
 count=0] in DecoratedKey(81509516161424251288255223397843705139, 
 6b657931):QueryPath(columnFamilyName='cf', superColumnName='null', 
 columnName='null') (original filter 
 SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], 
 finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, 
 count=0]) from expression 'cf.626972746864617465 EQ 1'
   at 
 org.apache.cassandra.db.ColumnFamilyStore.scan(ColumnFamilyStore.java:1517)
   at 
 org.apache.cassandra.service.IndexScanVerbHandler.doVerb(IndexScanVerbHandler.java:42)
   at 
 org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:72)
   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:662)
 {noformat}

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[jira] [Updated] (CASSANDRA-2653) index scan errors out when zero columns are requested

2011-05-30 Thread Sylvain Lebresne (JIRA) 

 [ 
https://issues.apache.org/jira/browse/CASSANDRA-2653?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Sylvain Lebresne updated CASSANDRA-2653:


Attachment: 0001-Reset-SSTII-in-EchoedRow-constructor.patch

This is indeed compaction related (but not related to secondary indexing at
all). The problem is that compaction may lose some rows.

Because of the way the ReducingIterator works, when we create a new
{Pre|Lazy|Echoed}CompactedRow, we have already decoded the next row key and
the file pointer if after that next row key. Both PreCompactedRow and
LazyCompactedRow handle this correctly by resetting their
SSTableIdentityIterator before reading (SSTII.getColumnFamilyWithColumns()
does it for PreCompactedRow and LazilyCompactedRow calls SSTII.reset()
directly). But EchoedRow doesn't handle this correctly. Hence when
EchoedRow.isEmpty() is called, it will call SSTII.hasNext(), that will compare
the current file pointer to the finishedAt value of the iterator. The pointer
being on the next row, this test will always fail and the row will be skipped.

Attaching a patch against 0.8 with a (smaller) unit test.

Note that luckily this doesn't affect 0.7, because it only uses EchoedRow for
cleanup compactions and clean compactions does not use ReducingIterator (and
thus, the underlying SSTII won't have changed when the EchoedRow is built).
I would still be in favor of committing the patch there too, just to make sure
we don't hit this later.

 index scan errors out when zero columns are requested
 -

 Key: CASSANDRA-2653
 URL: https://issues.apache.org/jira/browse/CASSANDRA-2653
 Project: Cassandra
  Issue Type: Bug
  Components: Core
Affects Versions: 0.8.0 beta 2
Reporter: Jonathan Ellis
Assignee: Sylvain Lebresne
Priority: Minor
 Fix For: 0.7.7

 Attachments: 0001-Reset-SSTII-in-EchoedRow-constructor.patch, 
 v1-0001-CASSANDRA-2653-reproduce-regression.txt


 As reported by Tyler Hobbs as an addendum to CASSANDRA-2401,
 {noformat}
 ERROR 16:13:38,864 Fatal exception in thread Thread[ReadStage:16,5,main]
 java.lang.AssertionError: No data found for 
 SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], 
 finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, 
 count=0] in DecoratedKey(81509516161424251288255223397843705139, 
 6b657931):QueryPath(columnFamilyName='cf', superColumnName='null', 
 columnName='null') (original filter 
 SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], 
 finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, 
 count=0]) from expression 'cf.626972746864617465 EQ 1'
   at 
 org.apache.cassandra.db.ColumnFamilyStore.scan(ColumnFamilyStore.java:1517)
   at 
 org.apache.cassandra.service.IndexScanVerbHandler.doVerb(IndexScanVerbHandler.java:42)
   at 
 org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:72)
   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:662)
 {noformat}

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[jira] [Updated] (CASSANDRA-2653) index scan errors out when zero columns are requested

2011-05-27 Thread T Jake Luciani (JIRA) 

 [ 
https://issues.apache.org/jira/browse/CASSANDRA-2653?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

T Jake Luciani updated CASSANDRA-2653:
--

Attachment: v1-0001-CASSANDRA-2653-reproduce-regression.txt

 index scan errors out when zero columns are requested
 -

 Key: CASSANDRA-2653
 URL: https://issues.apache.org/jira/browse/CASSANDRA-2653
 Project: Cassandra
  Issue Type: Bug
  Components: Core
Affects Versions: 0.8.0 beta 2
Reporter: Jonathan Ellis
Assignee: Jonathan Ellis
Priority: Minor
 Fix For: 0.7.7

 Attachments: v1-0001-CASSANDRA-2653-reproduce-regression.txt


 As reported by Tyler Hobbs as an addendum to CASSANDRA-2401,
 {noformat}
 ERROR 16:13:38,864 Fatal exception in thread Thread[ReadStage:16,5,main]
 java.lang.AssertionError: No data found for 
 SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], 
 finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, 
 count=0] in DecoratedKey(81509516161424251288255223397843705139, 
 6b657931):QueryPath(columnFamilyName='cf', superColumnName='null', 
 columnName='null') (original filter 
 SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], 
 finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, 
 count=0]) from expression 'cf.626972746864617465 EQ 1'
   at 
 org.apache.cassandra.db.ColumnFamilyStore.scan(ColumnFamilyStore.java:1517)
   at 
 org.apache.cassandra.service.IndexScanVerbHandler.doVerb(IndexScanVerbHandler.java:42)
   at 
 org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:72)
   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:662)
 {noformat}

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[jira] [Updated] (CASSANDRA-2653) index scan errors out when zero columns are requested

2011-05-16 Thread Tyler Hobbs (JIRA) 

 [ 
https://issues.apache.org/jira/browse/CASSANDRA-2653?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Tyler Hobbs updated CASSANDRA-2653:
---

Affects Version/s: 0.8.0 beta 2

 index scan errors out when zero columns are requested
 -

 Key: CASSANDRA-2653
 URL: https://issues.apache.org/jira/browse/CASSANDRA-2653
 Project: Cassandra
  Issue Type: Bug
  Components: Core
Affects Versions: 0.8.0 beta 2
Reporter: Jonathan Ellis
Assignee: Jonathan Ellis
Priority: Minor
 Fix For: 0.7.7


 As reported by Tyler Hobbs as an addendum to CASSANDRA-2401,
 {noformat}
 ERROR 16:13:38,864 Fatal exception in thread Thread[ReadStage:16,5,main]
 java.lang.AssertionError: No data found for 
 SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], 
 finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, 
 count=0] in DecoratedKey(81509516161424251288255223397843705139, 
 6b657931):QueryPath(columnFamilyName='cf', superColumnName='null', 
 columnName='null') (original filter 
 SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], 
 finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, 
 count=0]) from expression 'cf.626972746864617465 EQ 1'
   at 
 org.apache.cassandra.db.ColumnFamilyStore.scan(ColumnFamilyStore.java:1517)
   at 
 org.apache.cassandra.service.IndexScanVerbHandler.doVerb(IndexScanVerbHandler.java:42)
   at 
 org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:72)
   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:662)
 {noformat}

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