[ASTERIXDB-2414] FileManager throws file is already mapped on create

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.9.4
• Fix Version/s: 0.9.4.1
• Component/s: *DB - AsterixDB, STO - Storage
• Assignee: Murtadha Makki Al Hubail
• Reporter: Wail Y. Alkowaileet
• Created: 16/Jul/18 20:15
• Updated: 11/Apr/19 17:19
• Resolved: 11/Apr/19 17:19

Description

The bug appears in recovery after a hard shutdown during a merge operation.

org.apache.hyracks.api.exceptions.HyracksDataException: HYR0081: File /Users/wail/asterix-branches/compactor/asterixdb/asterixdb/asterix-app/target/io/dir/asterix_nc1/../asterix-server/target/tmp/asterix_nc1/iodevice2/storage/partition_1/CompactorDataverse/Compactor/0/Compactor/2018-07-16-13-04-17-603_2018-07-16-13-04-09-026_b is already mapped
	at org.apache.hyracks.api.exceptions.HyracksDataException.create(HyracksDataException.java:60) ~[classes/:?]
	at org.apache.hyracks.storage.common.file.FileMapManager.registerFile(FileMapManager.java:76) ~[classes/:?]
	at org.apache.hyracks.storage.common.buffercache.BufferCache.createFile(BufferCache.java:815) ~[classes/:?]
	at org.apache.hyracks.storage.am.common.impls.AbstractTreeIndex.create(AbstractTreeIndex.java:83) ~[classes/:?]
	at org.apache.hyracks.storage.am.lsm.common.impls.AbstractLSMDiskComponent.activate(AbstractLSMDiskComponent.java:169) ~[classes/:?]
	at org.apache.hyracks.storage.am.lsm.common.api.AbstractLSMWithBloomFilterDiskComponent.activate(AbstractLSMWithBloomFilterDiskComponent.java:54) ~[classes/:?]
	at org.apache.hyracks.storage.am.lsm.common.impls.AbstractLSMIndex.createDiskComponent(AbstractLSMIndex.java:536) ~[classes/:?]
	at org.apache.hyracks.storage.am.lsm.btree.impls.LSMBTree.doMerge(LSMBTree.java:336) ~[classes/:?]
	at org.apache.hyracks.storage.am.lsm.common.impls.AbstractLSMIndex.merge(AbstractLSMIndex.java:857) ~[classes/:?]
	at org.apache.hyracks.storage.am.lsm.common.impls.LSMHarness.doIo(LSMHarness.java:536) [classes/:?]
	at org.apache.hyracks.storage.am.lsm.common.impls.LSMHarness.merge(LSMHarness.java:575) [classes/:?]
	at org.apache.hyracks.storage.am.lsm.common.impls.LSMTreeIndexAccessor.merge(LSMTreeIndexAccessor.java:127) [classes/:?]
	at org.apache.hyracks.storage.am.lsm.common.impls.MergeOperation.call(MergeOperation.java:45) [classes/:?]
	at org.apache.hyracks.storage.am.lsm.common.impls.MergeOperation.call(MergeOperation.java:1) [classes/:?]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_45]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_45]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_45]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_45]