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https://issues.apache.org/jira/browse/CASSANDRA-3870?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13203727#comment-13203727
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Aaron Morton commented on CASSANDRA-3870:
-----------------------------------------
Realized when I went to bed I will also need to change
StorageProxy.counterWriteTask to call responeHandler.response() after the hints
have been sent, which happening on the REPLICATE_ON_WRITE TP. So needs
additional coordination.
Should be able to find some time today to keep working on this.
> Internal error processing batch_mutate:
> java.util.ConcurrentModificationException on CounterColumn
> --------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-3870
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3870
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 1.0.7
> Environment: Debian 6.0 x64
> x64 Sun Java 6u26
> Cassandra 1.0.7
> JNA
> 2 DCs, 1 ring/DC, 8 nodes/ring, RF=3/DC, Random partitioner.
> Disk access auto (mmap)
> Reporter: Viktor Jevdokimov
> Assignee: Aaron Morton
>
> Cassandra throws an exception below while performing batch_mutate with
> counter column insertion mutation to increment column with 1:
> ERROR [Thrift:134] 2012-02-03 15:51:02,800 Cassandra.java (line 3462)
> Internal error processing batch_mutate
> java.util.ConcurrentModificationException
> at
> java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
> at java.util.AbstractList$Itr.next(AbstractList.java:343)
> at
> org.apache.cassandra.utils.FBUtilities.waitOnFutures(FBUtilities.java:532)
> at
> org.apache.cassandra.service.AbstractWriteResponseHandler.waitForHints(AbstractWriteResponseHandler.java:89)
> at
> org.apache.cassandra.service.AbstractWriteResponseHandler.get(AbstractWriteResponseHandler.java:58)
> at
> org.apache.cassandra.service.StorageProxy.mutate(StorageProxy.java:201)
> at
> org.apache.cassandra.thrift.CassandraServer.doInsert(CassandraServer.java:639)
> at
> org.apache.cassandra.thrift.CassandraServer.internal_batch_mutate(CassandraServer.java:590)
> at
> org.apache.cassandra.thrift.CassandraServer.batch_mutate(CassandraServer.java:598)
> at
> org.apache.cassandra.thrift.Cassandra$Processor$batch_mutate.process(Cassandra.java:3454)
> at
> org.apache.cassandra.thrift.Cassandra$Processor.process(Cassandra.java:2889)
> at
> org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:187)
> 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)
> Column family definition:
> create column family CountersColumnFamily1
> with column_type = 'Standard'
> and comparator = 'BytesType'
> and default_validation_class = 'BytesType'
> and key_validation_class = 'BytesType'
> and rows_cached = 1000000.0
> and row_cache_save_period = 0
> and row_cache_keys_to_save = 2147483647
> and keys_cached = 0.0
> and key_cache_save_period = 14400
> and read_repair_chance = 0.1
> and gc_grace = 43200
> and min_compaction_threshold = 4
> and max_compaction_threshold = 32
> and replicate_on_write = true
> and row_cache_provider = 'SerializingCacheProvider'
> and compaction_strategy =
> 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy';
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