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https://issues.apache.org/jira/browse/CASSANDRA-13768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16129034#comment-16129034
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ASF GitHub Bot commented on CASSANDRA-13768:
--------------------------------------------
GitHub user jaydeepkumar1984 opened a pull request:
https://github.com/apache/cassandra-dtest/pull/5
auth_test.py dtest fails intermittently due to thread race condition
https://issues.apache.org/jira/browse/CASSANDRA-13768
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jaydeepkumar1984/cassandra-dtest 13768-dtest
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/cassandra-dtest/pull/5.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #5
----
commit 9df85bc2df778bed6bf83c5bd920ff57e446cb5e
Author: jaydeepkumar1984 <[email protected]>
Date: 2017-08-16T16:24:29Z
auth_test.py dtest fails intermittently due to thread race condition
----
> auth_test.py dtest fails intermittently due to thread race condition
> --------------------------------------------------------------------
>
> Key: CASSANDRA-13768
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13768
> Project: Cassandra
> Issue Type: Bug
> Components: Testing
> Reporter: Jaydeepkumar Chovatia
> Priority: Minor
>
> *Root cause:* dtest {{auth_test.TestAuth.system_auth_ks_is_alterable_test }}
> is failing intermittently and it is due to race condition between Python
> driver continuously sending cql query (by thread t1) to know status of
> cluster, and {{ccm}} is stopping the nodes (by thread t2)
> *Failure details:*
> http://cassci.datastax.com/view/cassandra-3.0/job/cassandra-3.0_dtest/lastCompletedBuild/testReport/auth_test/TestAuth/system_auth_ks_is_alterable_test/
> *Solution:* Ignore {{UnavailableException}} for this particular test as it is
> not going to harm test case in anyway.
> Please find snippet of C* log when test fails:
> {{INFO [InternalResponseStage:8] 2017-08-15 10:44:13,213
> RepairRunnable.java:337 - Repair command #2 finished in 0 seconds INFO
> [GossipStage:1] 2017-08-15 10:44:13,601 Gossiper.java:1019 - InetAddress
> /127.0.0.1 is now DOWN INFO [HANDSHAKE-/127.0.0.1] 2017-08-15 10:44:13,715
> OutboundTcpConnection.java:564 - Handshaking version with /127.0.0.1 INFO
> [SharedPool-Worker-2] 2017-08-15 10:44:16,712 Message.java:512 - Received:
> OPTIONS, v=4 INFO [SharedPool-Worker-2] 2017-08-15 10:44:16,713
> Message.java:512 - Received: STARTUP {CQL_VERSION=3.4.0, COMPRESSION=snappy},
> v=4 INFO [SharedPool-Worker-2] 2017-08-15 10:44:16,719 Message.java:512 -
> Received: org.apache.cassandra.transport.messages.AuthResponse@4474c719, v=4
> INFO [GossipStage:1] 2017-08-15 10:44:16,723 Gossiper.java:1019 - InetAddress
> /127.0.0.3 is now DOWN ERROR [SharedPool-Worker-2] 2017-08-15 10:44:16,822
> Message.java:621 - Unexpected exception during request; channel = [id:
> 0xffc2fc9a, L:/127.0.0.2:9042 - R:/127.0.0.2:51369]
> java.lang.RuntimeException:
> org.apache.cassandra.exceptions.UnavailableException: Cannot achieve
> consistency level QUORUM at
> org.apache.cassandra.auth.CassandraRoleManager.getRole(CassandraRoleManager.java:516)
> ~[main/:na] at
> org.apache.cassandra.auth.CassandraRoleManager.canLogin(CassandraRoleManager.java:310)
> ~[main/:na] at
> org.apache.cassandra.service.ClientState.login(ClientState.java:270)
> ~[main/:na] at
> org.apache.cassandra.transport.messages.AuthResponse.execute(AuthResponse.java:79)
> ~[main/:na] at
> org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:513)
> [main/:na] at
> org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:407)
> [main/:na] at
> io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
> [netty-all-4.0.44.Final.jar:4.0.44.Final] at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:357)
> [netty-all-4.0.44.Final.jar:4.0.44.Final] at
> io.netty.channel.AbstractChannelHandlerContext.access$600(AbstractChannelHandlerContext.java:35)
> [netty-all-4.0.44.Final.jar:4.0.44.Final] at
> io.netty.channel.AbstractChannelHandlerContext$7.run(AbstractChannelHandlerContext.java:348)
> [netty-all-4.0.44.Final.jar:4.0.44.Final] at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> [na:1.8.0_144] at
> org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:164)
> [main/:na] at
> org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105) [main/:na]
> at java.lang.Thread.run(Thread.java:748) [na:1.8.0_144] Caused by:
> org.apache.cassandra.exceptions.UnavailableException: Cannot achieve
> consistency level QUORUM at
> org.apache.cassandra.db.ConsistencyLevel.assureSufficientLiveNodes(ConsistencyLevel.java:334)
> ~[main/:na] at
> org.apache.cassandra.service.AbstractReadExecutor.getReadExecutor(AbstractReadExecutor.java:162)
> ~[main/:na] at
> org.apache.cassandra.service.StorageProxy$SinglePartitionReadLifecycle.<init>(StorageProxy.java:1733)
> ~[main/:na] at
> org.apache.cassandra.service.StorageProxy.fetchRows(StorageProxy.java:1696)
> ~[main/:na] at
> org.apache.cassandra.service.StorageProxy.readRegular(StorageProxy.java:1640)
> ~[main/:na] at
> org.apache.cassandra.service.StorageProxy.read(StorageProxy.java:1544)
> ~[main/:na] at
> org.apache.cassandra.db.SinglePartitionReadCommand$Group.execute(SinglePartitionReadCommand.java:965)
> ~[main/:na] at
> org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:263)
> ~[main/:na] at
> org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:224)
> ~[main/:na] at
> org.apache.cassandra.auth.CassandraRoleManager.getRoleFromTable(CassandraRoleManager.java:524)
> ~[main/:na] at
> org.apache.cassandra.auth.CassandraRoleManager.getRole(CassandraRoleManager.java:506)
> ~[main/:na] ... 13 common frames omitted INFO [HANDSHAKE-/127.0.0.3]
> 2017-08-15 10:44:17,678 OutboundTcpConnection.java:564 - Handshaking version
> with /127.0.0.3 INFO [SharedPool-Worker-1] 2017-08-15 10:44:17,927
> Message.java:512 - Received: OPTIONS, v=4 INFO [SharedPool-Worker-1]
> 2017-08-15 10:44:17,928 Message.java:512 - Received: STARTUP
> {CQL_VERSION=3.4.0, COMPRESSION=snappy}, v=4 INFO [SharedPool-Worker-2]
> 2017-08-15 10:44:17,932 Message.java:512 - Received:
> org.apache.cassandra.transport.messages.AuthResponse@3cc2a95c, v=4 INFO
> [StorageServiceShutdownHook] 2017-08-15 10:44:19,814 HintsService.java:212 -
> Paused hints dispatch INFO [StorageServiceShutdownHook] 2017-08-15
> 10:44:19,818 Server.java:180 - Stop listening for CQL clients INFO
> [StorageServiceShutdownHook] 2017-08-15 10:44:19,818 Gossiper.java:1490 -
> Announcing shutdown INFO [StorageServiceShutdownHook] 2017-08-15 10:44:19,819
> StorageService.java:2011 - Node /127.0.0.2 state jump to shutdown}}
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