BookieReadWriteTest gets blocked and never finishes
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Key: BOOKKEEPER-67
URL: https://issues.apache.org/jira/browse/BOOKKEEPER-67
Project: Bookkeeper
Issue Type: Bug
Environment: RHEL4.8 and Debian 6
Reporter: Matthieu Morel
I systematically reproduce this behaviour on the linux boxes I tested with.
The test gets stuck acquiring permits from a semaphore, normally used for
throttling:
"main" prio=10 tid=0x08058c00 nid=0x588d waiting on condition [0xf723c000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0xb5619728> (a
java.util.concurrent.Semaphore$NonfairSync)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:811)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:969)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1281)
at java.util.concurrent.Semaphore.acquire(Semaphore.java:286)
at
org.apache.bookkeeper.client.LedgerHandle.asyncAddEntry(LedgerHandle.java:394)
at
org.apache.bookkeeper.client.LedgerHandle.asyncAddEntry(LedgerHandle.java:366)
at
org.apache.bookkeeper.test.BookieReadWriteTest.testShutdown(BookieReadWriteTest.java:815)
The issue might come from the synchronization mechanism used in the test
itself.
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