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Date: Wed, 16 Aug 2017 16:27:00 +0000 (UTC)
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Subject: [jira] [Commented] (CASSANDRA-13768) auth_test.py dtest fails
 intermittently due to thread race condition
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archived-at: Wed, 16 Aug 2017 16:27:07 -0000


    [ https://issues.apache.org/jira/browse/CASSANDRA-13768?page=3Dcom.atla=
ssian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=
=3D16129034#comment-16129034 ]=20

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-dt=
est

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
   =20
----
commit 9df85bc2df778bed6bf83c5bd920ff57e446cb5e
Author: jaydeepkumar1984 <chovatia.jaydeep@gmail.com>
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-1376=
8
>             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 Pytho=
n driver continuously sending cql query (by thread t1) to know status of cl=
uster, and {{ccm}} is stopping the nodes (by thread t2)
> *Failure details:* http://cassci.datastax.com/view/cassandra-3.0/job/cass=
andra-3.0_dtest/lastCompletedBuild/testReport/auth_test/TestAuth/system_aut=
h_ks_is_alterable_test/
> *Solution:* Ignore {{UnavailableException}} for this particular test as i=
t 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.j=
ava: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] 2=
017-08-15 10:44:16,712 Message.java:512 - Received: OPTIONS, v=3D4 INFO [Sh=
aredPool-Worker-2] 2017-08-15 10:44:16,713 Message.java:512 - Received: STA=
RTUP {CQL_VERSION=3D3.4.0, COMPRESSION=3Dsnappy}, v=3D4 INFO [SharedPool-Wo=
rker-2] 2017-08-15 10:44:16,719 Message.java:512 - Received: org.apache.cas=
sandra.transport.messages.AuthResponse@4474c719, v=3D4 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 =3D [id: 0xffc2fc9a, L:/127.=
0.0.2:9042 - R:/127.0.0.2:51369] java.lang.RuntimeException: org.apache.cas=
sandra.exceptions.UnavailableException: Cannot achieve consistency level QU=
ORUM at org.apache.cassandra.auth.CassandraRoleManager.getRole(CassandraRol=
eManager.java:516) ~[main/:na] at org.apache.cassandra.auth.CassandraRoleMa=
nager.canLogin(CassandraRoleManager.java:310) ~[main/:na] at org.apache.cas=
sandra.service.ClientState.login(ClientState.java:270) ~[main/:na] at org.a=
pache.cassandra.transport.messages.AuthResponse.execute(AuthResponse.java:7=
9) ~[main/:na] at org.apache.cassandra.transport.Message$Dispatcher.channel=
Read0(Message.java:513) [main/:na] at org.apache.cassandra.transport.Messag=
e$Dispatcher.channelRead0(Message.java:407) [main/:na] at io.netty.channel.=
SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:10=
5) [netty-all-4.0.44.Final.jar:4.0.44.Final] at io.netty.channel.AbstractCh=
annelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:35=
7) [netty-all-4.0.44.Final.jar:4.0.44.Final] at io.netty.channel.AbstractCh=
annelHandlerContext.access$600(AbstractChannelHandlerContext.java:35) [nett=
y-all-4.0.44.Final.jar:4.0.44.Final] at io.netty.channel.AbstractChannelHan=
dlerContext$7.run(AbstractChannelHandlerContext.java:348) [netty-all-4.0.44=
.Final.jar:4.0.44.Final] at java.util.concurrent.Executors$RunnableAdapter.=
call(Executors.java:511) [na:1.8.0_144] at org.apache.cassandra.concurrent.=
AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutor=
Service.java:164) [main/:na] at org.apache.cassandra.concurrent.SEPWorker.r=
un(SEPWorker.java:105) [main/:na] at java.lang.Thread.run(Thread.java:748) =
[na:1.8.0_144] Caused by: org.apache.cassandra.exceptions.UnavailableExcept=
ion: Cannot achieve consistency level QUORUM at org.apache.cassandra.db.Con=
sistencyLevel.assureSufficientLiveNodes(ConsistencyLevel.java:334) ~[main/:=
na] at org.apache.cassandra.service.AbstractReadExecutor.getReadExecutor(Ab=
stractReadExecutor.java:162) ~[main/:na] at org.apache.cassandra.service.St=
orageProxy$SinglePartitionReadLifecycle.<init>(StorageProxy.java:1733) ~[ma=
in/:na] at org.apache.cassandra.service.StorageProxy.fetchRows(StorageProxy=
.java:1696) ~[main/:na] at org.apache.cassandra.service.StorageProxy.readRe=
gular(StorageProxy.java:1640) ~[main/:na] at org.apache.cassandra.service.S=
torageProxy.read(StorageProxy.java:1544) ~[main/:na] at org.apache.cassandr=
a.db.SinglePartitionReadCommand$Group.execute(SinglePartitionReadCommand.ja=
va: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] a=
t org.apache.cassandra.auth.CassandraRoleManager.getRoleFromTable(Cassandra=
RoleManager.java:524) ~[main/:na] at org.apache.cassandra.auth.CassandraRol=
eManager.getRole(CassandraRoleManager.java:506) ~[main/:na] ... 13 common f=
rames omitted INFO [HANDSHAKE-/127.0.0.3] 2017-08-15 10:44:17,678 OutboundT=
cpConnection.java:564 - Handshaking version with /127.0.0.3 INFO [SharedPoo=
l-Worker-1] 2017-08-15 10:44:17,927 Message.java:512 - Received: OPTIONS, v=
=3D4 INFO [SharedPool-Worker-1] 2017-08-15 10:44:17,928 Message.java:512 - =
Received: STARTUP {CQL_VERSION=3D3.4.0, COMPRESSION=3Dsnappy}, v=3D4 INFO [=
SharedPool-Worker-2] 2017-08-15 10:44:17,932 Message.java:512 - Received: o=
rg.apache.cassandra.transport.messages.AuthResponse@3cc2a95c, v=3D4 INFO [S=
torageServiceShutdownHook] 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 [StorageServiceS=
hutdownHook] 2017-08-15 10:44:19,818 Gossiper.java:1490 - Announcing shutdo=
wn 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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