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Posted to commits@cassandra.apache.org by "Jonathan Ellis (JIRA)" <ji...@apache.org> on 2009/10/30 19:27:59 UTC
[jira] Resolved: (CASSANDRA-524) can't write with consistency level
of one after some nodes fail
[ https://issues.apache.org/jira/browse/CASSANDRA-524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Ellis resolved CASSANDRA-524.
--------------------------------------
Resolution: Fixed
committed
> can't write with consistency level of one after some nodes fail
> ---------------------------------------------------------------
>
> Key: CASSANDRA-524
> URL: https://issues.apache.org/jira/browse/CASSANDRA-524
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 0.4, 0.5
> Environment: trunk@r830776
> Reporter: Edmond Lau
> Assignee: Jonathan Ellis
> Fix For: 0.5
>
> Attachments: 524.patch
>
>
> Start a 3 node cluster with a replication factor of 2. Then take down two nodes.
> If I write with a consistency level of ONE on any key, I get an InvalidRequestException:
> ERROR [pool-1-thread-45] 2009-10-29 21:27:10,120 StorageProxy.java
> (line 183) error writing key 1
> InvalidRequestException(why:Cannot block for less than one replica)
> at org.apache.cassandra.service.QuorumResponseHandler.<init>(QuorumResponseHandler.java:52)
> at org.apache.cassandra.locator.AbstractReplicationStrategy.getResponseHandler(AbstractReplicationStrategy.java:64)
> at org.apache.cassandra.service.StorageService.getResponseHandler(StorageService.java:869)
> at org.apache.cassandra.service.StorageProxy.insertBlocking(StorageProxy.java:162)
> at org.apache.cassandra.service.CassandraServer.doInsert(CassandraServer.java:473)
> at org.apache.cassandra.service.CassandraServer.insert(CassandraServer.java:424)
> at org.apache.cassandra.service.Cassandra$Processor$insert.process(Cassandra.java:819)
> at org.apache.cassandra.service.Cassandra$Processor.process(Cassandra.java:624)
> at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:253)
> 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)
> Oddly, a write with a consistency level of QUORUM succeeds for certain
> keys (but fails with others) even though I only have one live node.
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