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https://issues.apache.org/jira/browse/CASSANDRA-12735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Shuler updated CASSANDRA-12735:
---------------------------------------
    Fix Version/s:     (was: 3.7)
                   3.11.x

> org.apache.cassandra.exceptions.ReadTimeoutException: Operation timed out
> -------------------------------------------------------------------------
>
>                 Key: CASSANDRA-12735
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12735
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Configuration, Core
>         Environment: Python 2.7.11, Datastax Cassandra 3.7.0  
>            Reporter: Rajesh Radhakrishnan
>            Priority: Major
>             Fix For: 3.11.x
>
>
> We got a cluster of two nodes running Cassandra.3.7.0 and using client 
> running Python 2.7.11 injecting lot of data from maybe 100 or so jobs. 
> ------------------------------------------------------------------------------------------
> Cache setting can be seen from system.log:
> INFO  [main] 2016-09-30 15:12:50,002 AuthCache.java:172 - (Re)initializing 
> CredentialsCache (validity period/update interval/max entries) 
> (2000/2000/1000)
> INFO  [SharedPool-Worker-1] 2016-09-30 15:15:09,561 AuthCache.java:172 - 
> (Re)initializing PermissionsCache (validity period/update interval/max 
> entries) (10000/10000/1000)
> INFO  [SharedPool-Worker-1] 2016-09-30 15:15:24,319 AuthCache.java:172 - 
> (Re)initializing RolesCache (validity period/update interval/max entries) 
> (5000/5000/1000)
> ===========================================================
> But I am getting the following exception :
> ERROR [SharedPool-Worker-90] 2016-09-30 15:17:20,883 ErrorMessage.java:338 - 
> Unexpected exception during request
> com.google.common.util.concurrent.UncheckedExecutionException: 
> com.google.common.util.concurrent.UncheckedExecutionException: 
> java.lang.RuntimeException: 
> org.apache.cassandra.exceptions.ReadTimeoutException: Operation timed out - 
> received only 0 responses.
>       at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2203) 
> ~[guava-18.0.jar:na]
>       at com.google.common.cache.LocalCache.get(LocalCache.java:3937) 
> ~[guava-18.0.jar:na]
>       at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3941) 
> ~[guava-18.0.jar:na]
>       at 
> com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4824)
>  ~[guava-18.0.jar:na]
>       at org.apache.cassandra.auth.AuthCache.get(AuthCache.java:108) 
> ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.auth.PermissionsCache.getPermissions(PermissionsCache.java:45)
>  ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.auth.AuthenticatedUser.getPermissions(AuthenticatedUser.java:104)
>  ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.service.ClientState.authorize(ClientState.java:375) 
> ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.service.ClientState.checkPermissionOnResourceChain(ClientState.java:308)
>  ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.service.ClientState.ensureHasPermission(ClientState.java:285)
>  ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.service.ClientState.hasAccess(ClientState.java:272) 
> ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.service.ClientState.hasColumnFamilyAccess(ClientState.java:256)
>  ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.cql3.statements.ModificationStatement.checkAccess(ModificationStatement.java:211)
>  ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.cql3.statements.BatchStatement.checkAccess(BatchStatement.java:137)
>  ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.cql3.QueryProcessor.processBatch(QueryProcessor.java:502)
>  ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.cql3.QueryProcessor.processBatch(QueryProcessor.java:495)
>  ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.transport.messages.BatchMessage.execute(BatchMessage.java:217)
>  ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:507)
>  [apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:401)
>  [apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
>  [netty-all-4.0.36.Final.jar:4.0.36.Final]
>       at 
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:292)
>  [netty-all-4.0.36.Final.jar:4.0.36.Final]
>       at 
> io.netty.channel.AbstractChannelHandlerContext.access$600(AbstractChannelHandlerContext.java:32)
>  [netty-all-4.0.36.Final.jar:4.0.36.Final]
>       at 
> io.netty.channel.AbstractChannelHandlerContext$7.run(AbstractChannelHandlerContext.java:283)
>  [netty-all-4.0.36.Final.jar:4.0.36.Final]
>       at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
> [na:1.8.0_73]
>       at 
> org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:164)
>  [apache-cassandra-3.7.0.jar:3.7.0]
>       at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105) 
> [apache-cassandra-3.7.0.jar:3.7.0]
>       at java.lang.Thread.run(Thread.java:745) [na:1.8.0_73]
> Caused by: com.google.common.util.concurrent.UncheckedExecutionException: 
> java.lang.RuntimeException: 
> org.apache.cassandra.exceptions.ReadTimeoutException: Operation timed out - 
> received only 0 responses.
>       at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2203) 
> ~[guava-18.0.jar:na]
>       at com.google.common.cache.LocalCache.get(LocalCache.java:3937) 
> ~[guava-18.0.jar:na]
>       at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3941) 
> ~[guava-18.0.jar:na]
>       at 
> com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4824)
>  ~[guava-18.0.jar:na]
>       at org.apache.cassandra.auth.AuthCache.get(AuthCache.java:108) 
> ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at org.apache.cassandra.auth.RolesCache.getRoles(RolesCache.java:44) 
> ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at org.apache.cassandra.auth.Roles.hasSuperuserStatus(Roles.java:51) 
> ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.auth.AuthenticatedUser.isSuper(AuthenticatedUser.java:71)
>  ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.auth.CassandraAuthorizer.authorize(CassandraAuthorizer.java:86)
>  ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.auth.PermissionsCache.lambda$new$1(PermissionsCache.java:37)
>  ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at org.apache.cassandra.auth.AuthCache$1.load(AuthCache.java:183) 
> ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3527)
>  ~[guava-18.0.jar:na]
>       at 
> com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2319) 
> ~[guava-18.0.jar:na]
>       at 
> com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2282)
>  ~[guava-18.0.jar:na]
>       at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2197) 
> ~[guava-18.0.jar:na]
>       ... 26 common frames omitted
> Caused by: java.lang.RuntimeException: 
> org.apache.cassandra.exceptions.ReadTimeoutException: Operation timed out - 
> received only 0 responses.
>       at 
> org.apache.cassandra.auth.CassandraRoleManager.getRole(CassandraRoleManager.java:489)
>  ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.auth.CassandraRoleManager.getRoles(CassandraRoleManager.java:269)
>  ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.auth.RolesCache.lambda$new$195(RolesCache.java:36) 
> ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at org.apache.cassandra.auth.AuthCache$1.load(AuthCache.java:183) 
> ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3527)
>  ~[guava-18.0.jar:na]
>       at 
> com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2319) 
> ~[guava-18.0.jar:na]
>       at 
> com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2282)
>  ~[guava-18.0.jar:na]
>       at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2197) 
> ~[guava-18.0.jar:na]
>       ... 40 common frames omitted
> Caused by: org.apache.cassandra.exceptions.ReadTimeoutException: Operation 
> timed out - received only 0 responses.
>       at 
> org.apache.cassandra.service.ReadCallback.awaitResults(ReadCallback.java:132) 
> ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at org.apache.cassandra.service.ReadCallback.get(ReadCallback.java:137) 
> ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.service.AbstractReadExecutor.get(AbstractReadExecutor.java:145)
>  ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.service.StorageProxy$SinglePartitionReadLifecycle.awaitResultsAndRetryOnDigestMismatch(StorageProxy.java:1714)
>  ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.service.StorageProxy.fetchRows(StorageProxy.java:1663) 
> ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.service.StorageProxy.readRegular(StorageProxy.java:1604) 
> ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.service.StorageProxy.read(StorageProxy.java:1523) 
> ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.db.SinglePartitionReadCommand$Group.execute(SinglePartitionReadCommand.java:979)
>  ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:273)
>  ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:234)
>  ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.auth.CassandraRoleManager.getRoleFromTable(CassandraRoleManager.java:497)
>  ~[apache-cassandra-3.7.0.jar:3.7.0]
>       at 
> org.apache.cassandra.auth.CassandraRoleManager.getRole(CassandraRoleManager.java:485)
>  ~[apache-cassandra-3.7.0.jar:3.7.0]
>       ... 47 common frames omitted



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