Details
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Bug
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Status: Closed
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Major
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Resolution: Fixed
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None
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None
Description
The background flush operation might invoke flush after the TAR writer (and the store in general) is either closed or in the process of being closed. This is an example execution.
27.10.2016 23:42:32.533 WARN o.a.j.o.s.f.Scheduler: The scheduler FileStore background tasks takes too long to shutdown
27.10.2016 23:43:22.574 WARN o.a.j.o.s.f.FileStore: Failed to flush the TarMK at crx-quickstart/repository/segmentstore
java.io.IOException: Stream Closed
at java.io.RandomAccessFile.writeBytes0(Native Method) ~[na:1.7.0_75]
at java.io.RandomAccessFile.writeBytes(RandomAccessFile.java:520) ~[na:1.7.0_75]
at java.io.RandomAccessFile.writeBytes(RandomAccessFile.java:1123) ~[na:1.7.0_75]
at org.apache.jackrabbit.oak.segment.file.TarRevisions.flush(TarRevisions.java:209) ~[crx2oak-1.5.6-all-in-one.jar:1.5.6]
at org.apache.jackrabbit.oak.segment.file.FileStore.flush(FileStore.java:365) ~[crx2oak-1.5.6-all-in-one.jar:1.5.6]
at org.apache.jackrabbit.oak.segment.file.FileStore$2.run(FileStore.java:207) ~[crx2oak-1.5.6-all-in-one.jar:1.5.6]
at org.apache.jackrabbit.oak.segment.file.SafeRunnable.run(SafeRunnable.java:67) [crx2oak-1.5.6-all-in-one.jar:1.5.6]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [na:1.7.0_75]
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304) [na:1.7.0_75]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178) [na:1.7.0_75]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [na:1.7.0_75]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_75]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_75]
at java.lang.Thread.run(Thread.java:745) [na:1.7.0_75]
27.10.2016 23:43:23.988 INFO o.a.j.o.s.f.FileStore: TarMK closed: crx-quickstart/repository/segmentstore
27.10.2016 23:43:24.262 INFO o.a.j.o.p.s.f.FileStore: TarMK closed: crx-quickstart/repository-old/segmentstore
Flushing the store should not executing any significant operation on the underlying file system objects when the store is closed, even if it's not possible to shut down the scheduler in a timely fashion.