[FLUME-2407] Spillable Channel sometimes fails on reconfigure

• Type: Bug
• Status: Patch Available
• Priority: Major
• Resolution: Unresolved
• Component/s: Channel
• Labels: SpillableChannel
• Assignee: Venkat Ranganathan
• Reporter: Roshan Naik
• Created: 18/Jun/14 22:12
• Updated: 19/Dec/17 23:27

Description

Configure method needs to be marked synchronized.

27 Feb 2014 17:09:44,715 ERROR lifecycleSupervisor-1-0 (org.apache.flume.channel.file.FileChannel.start:310) - Failed to start the file channel channel=spillChannel
java.lang.NullPointerException
at org.apache.flume.channel.file.FileChannel.start(FileChannel.java:303)
at org.apache.flume.channel.SpillableMemoryChannel.start(SpillableMemoryChannel.java:767)
at org.apache.flume.lifecycle.LifecycleSupervisor$MonitorRunnable.run(LifecycleSupervisor.java:251)
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.util.concurrent.FutureTask$Sync.innerRunAndReset(Unknown Source)
at java.util.concurrent.FutureTask.runAndReset(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
27 Feb 2014 17:09:44,716 ERROR lifecycleSupervisor-1-0 (org.apache.flume.lifecycle.LifecycleSupervisor$MonitorRunnable.run:253) - Unable to start FileChannel spillChannel
{ dataDirs: [datadir] }
- Exception follows.
java.lang.IllegalStateException: Channel closedchannel=spillChannel
at com.google.common.base.Preconditions.checkState(Preconditions.java:145)
at org.apache.flume.channel.file.FileChannel.getDepth(FileChannel.java:372)
at org.apache.flume.channel.SpillableMemoryChannel.start(SpillableMemoryChannel.java:768)
at org.apache.flume.lifecycle.LifecycleSupervisor$MonitorRunnable.run(LifecycleSupervisor.java:251)
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.util.concurrent.FutureTask$Sync.innerRunAndReset(Unknown Source)
at java.util.concurrent.FutureTask.runAndReset(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)