ConcurrentModificationException in FailureDetector
--------------------------------------------------
Key: CASSANDRA-3519
URL: https://issues.apache.org/jira/browse/CASSANDRA-3519
Project: Cassandra
Issue Type: Bug
Components: Core
Affects Versions: 1.0.1
Environment: Free BSD 8.2
/java -version
java version "1.6.0_07"
Diablo Java(TM) SE Runtime Environment (build 1.6.0_07-b02)
Diablo Java HotSpot(TM) 64-Bit Server VM (build 10.0-b23, mixed mode)
Reporter: Aaron Morton
Assignee: Aaron Morton
Priority: Minor
Noticed in a 2 DC cluster, error was on node in DC 2 streaming to a node in DC
1.
{code:java}
INFO [GossipTasks:1] 2011-11-20 18:36:05,153 Gossiper.java (line 759)
InetAddress /10.6.130.70 is now dead.
ERROR [GossipTasks:1] 2011-11-20 18:36:25,252 StreamOutSession.java (line 232)
StreamOutSession /10.6.130.70 failed because {} died or was restarted/removed
ERROR [AntiEntropySessions:21] 2011-11-20 18:36:25,252 AntiEntropyService.java
(line 688) [repair #7fb5b1b0-11f1-11e1-0000-baed0a2090fe] session completed
with the following err
or
java.io.IOException: Endpoint /10.6.130.70 died
at
org.apache.cassandra.service.AntiEntropyService$RepairSession.failedNode(AntiEntropyService.java:725)
at
org.apache.cassandra.service.AntiEntropyService$RepairSession.convict(AntiEntropyService.java:762)
at
org.apache.cassandra.gms.FailureDetector.interpret(FailureDetector.java:192)
at org.apache.cassandra.gms.Gossiper.doStatusCheck(Gossiper.java:559)
at org.apache.cassandra.gms.Gossiper.access$700(Gossiper.java:62)
at org.apache.cassandra.gms.Gossiper$GossipTask.run(Gossiper.java:167)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at
java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:181)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:205)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
ERROR [GossipTasks:1] 2011-11-20 18:36:25,256 Gossiper.java (line 172) Gossip
error
java.util.ConcurrentModificationException
at
java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
at java.util.AbstractList$Itr.next(AbstractList.java:343)
at
org.apache.cassandra.gms.FailureDetector.interpret(FailureDetector.java:190)
at org.apache.cassandra.gms.Gossiper.doStatusCheck(Gossiper.java:559)
at org.apache.cassandra.gms.Gossiper.access$700(Gossiper.java:62)
at org.apache.cassandra.gms.Gossiper$GossipTask.run(Gossiper.java:167)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at
java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:181)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:205)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
ERROR [AntiEntropySessions:21] 2011-11-20 18:36:25,256
AbstractCassandraDaemon.java (line 133) Fatal exception in thread
Thread[AntiEntropySessions:21,5,RMI Runtime]
java.lang.RuntimeException: java.io.IOException: Endpoint /10.6.130.70 died
at
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.io.IOException: Endpoint /10.6.130.70 died
at
org.apache.cassandra.service.AntiEntropyService$RepairSession.failedNode(AntiEntropyService.java:725)
at
org.apache.cassandra.service.AntiEntropyService$RepairSession.convict(AntiEntropyService.java:762)
at
org.apache.cassandra.gms.FailureDetector.interpret(FailureDetector.java:192)
at org.apache.cassandra.gms.Gossiper.doStatusCheck(Gossiper.java:559)
at org.apache.cassandra.gms.Gossiper.access$700(Gossiper.java:62)
at org.apache.cassandra.gms.Gossiper$GossipTask.run(Gossiper.java:167)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at
java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:181)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:205)
... 3 more
ERROR [RMI TCP Connection(3634)-10.29.60.10] 2011-11-20 18:36:25,256
StorageService.java (line 1712) Repair session
7fb5b1b0-11f1-11e1-0000-baed0a2090fe failed.
java.util.concurrent.ExecutionException: java.lang.RuntimeException:
java.io.IOException: Endpoint /10.6.130.70 died
at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
at java.util.concurrent.FutureTask.get(FutureTask.java:83)
at
org.apache.cassandra.service.StorageService.forceTableRepair(StorageService.java:1708)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:93)
at
com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:27)
at
com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208)
at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:120)
at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:262)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)
at
com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)
at
javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1426)
at
javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72)
at
javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1264)
at
javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1359)
at
javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:788)
at sun.reflect.GeneratedMethodAccessor19.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
at sun.rmi.transport.Transport$1.run(Transport.java:159)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
at
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
at
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
at
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.RuntimeException: java.io.IOException: Endpoint
/10.6.130.70 died
at
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
... 3 more
Caused by: java.io.IOException: Endpoint /10.6.130.70 died
at
org.apache.cassandra.service.AntiEntropyService$RepairSession.failedNode(AntiEntropyService.java:725)
at
org.apache.cassandra.service.AntiEntropyService$RepairSession.convict(AntiEntropyService.java:762)
at
org.apache.cassandra.gms.FailureDetector.interpret(FailureDetector.java:192)
at org.apache.cassandra.gms.Gossiper.doStatusCheck(Gossiper.java:559)
at org.apache.cassandra.gms.Gossiper.access$700(Gossiper.java:62)
at org.apache.cassandra.gms.Gossiper$GossipTask.run(Gossiper.java:167)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at
java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:181)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:205)
... 3 more
INFO [GossipStage:1] 2011-11-20 18:36:28,173 Gossiper.java (line 777) Node
/10.6.130.70 has restarted, now UP
INFO [GossipStage:1] 2011-11-20 18:36:28,175 Gossiper.java (line 745)
InetAddress /10.6.130.70 is now UP
INFO [GossipStage:1] 2011-11-20 18:36:28,175 StorageService.java (line 885)
Node /10.6.130.70 state jump to normal
{code}
FailureDetector uses a normal ArrayList for the listeners.
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