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https://issues.apache.org/jira/browse/CASSANDRA-13450?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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C. Scott Andreas resolved CASSANDRA-13450.
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Resolution: Information Provided
> repair thread stuck
> -------------------
>
> Key: CASSANDRA-13450
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13450
> Project: Cassandra
> Issue Type: Bug
> Environment: cassandra 3.7
> Reporter: Roland Otta
> Priority: Major
>
> we sometimes have stuck repair threads in our production system
> this is the corresponding stack trace
> {noformat}
> Name: Repair#202:3
> State: WAITING on
> com.google.common.util.concurrent.AbstractFuture$Sync@56d7b0ab
> Total blocked: 0 Total waited: 1
> Stack trace:
> sun.misc.Unsafe.park(Native Method)
> java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836)
> java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997)
> java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304)
> com.google.common.util.concurrent.AbstractFuture$Sync.get(AbstractFuture.java:285)
> com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:116)
> com.google.common.util.concurrent.Uninterruptibles.getUninterruptibly(Uninterruptibles.java:137)
> com.google.common.util.concurrent.Futures.getUnchecked(Futures.java:1509)
> org.apache.cassandra.repair.RepairJob.run(RepairJob.java:160)
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> java.lang.Thread.run(Thread.java:745)
> {noformat}
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