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From "Shaofeng SHI (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (KYLIN-3678) CacheStateChecker may remove a cache file that under building
Date Mon, 26 Nov 2018 03:57:00 GMT

     [ https://issues.apache.org/jira/browse/KYLIN-3678?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Shaofeng SHI resolved KYLIN-3678.
---------------------------------
    Resolution: Fixed

> CacheStateChecker may remove a cache file that under building
> -------------------------------------------------------------
>
>                 Key: KYLIN-3678
>                 URL: https://issues.apache.org/jira/browse/KYLIN-3678
>             Project: Kylin
>          Issue Type: Bug
>          Components: Job Engine
>    Affects Versions: v2.4.0, v2.4.1, v2.5.0, v2.5.1
>            Reporter: Shaofeng SHI
>            Assignee: Shaofeng SHI
>            Priority: Major
>             Fix For: v2.5.2
>
>
> Kylin test failed with such error:
> {code:java}
> 2018-11-09 02:15:24,379 DEBUG [main] cachesync.CachedCrudAssist:127 : Loaded 1 ExternalFilterDesc(s)
out of 1 resource
> 2018-11-09 02:15:24,380 WARN  [main] common.KylinConfigBase:77 : KYLIN_HOME was not set
> 2018-11-09 02:15:24,380 INFO  [main] cache.RocksDBLookupBuilder:66 : create new rocksdb
folder:lookup_cache/rocksdb/DEFAULT.TEST_COUNTRY/f19bc17c-d41d-a4be-b561-f6bd275f4c90/db for
table cache:DEFAULT.TEST_COUNTRY
> 2018-11-09 02:15:24,380 INFO  [main] cache.RocksDBLookupBuilder:69 : start to build lookup
table:DEFAULT.TEST_COUNTRY to rocks db:lookup_cache/rocksdb/DEFAULT.TEST_COUNTRY/f19bc17c-d41d-a4be-b561-f6bd275f4c90/db
> 2018-11-09 02:15:26,814 WARN  [lookup-cache-state-checker-1] common.KylinConfigBase:77
: KYLIN_HOME was not set
> 2018-11-09 02:15:26,814 INFO  [lookup-cache-state-checker-1] cache.RocksDBLookupTableCache:334
: check snapshot local cache state, local path:lookup_cache/rocksdb
> 2018-11-09 02:15:26,814 INFO  [lookup-cache-state-checker-1] cache.RocksDBLookupTableCache:361
: removed cache file:/var/jenkins/workspace/kylin-manual-ci/core-dictionary/lookup_cache/rocksdb/DEFAULT.TEST_COUNTRY/f19bc17c-d41d-a4be-b561-f6bd275f4c90,
it is not referred by any cube
> 2018-11-09 02:15:28,474 ERROR [main] cache.RocksDBLookupBuilder:77 : error when put data
to rocksDB
> org.rocksdb.RocksDBException: While open a file for random read: lookup_cache/rocksdb/DEFAULT.TEST_COUNTRY/f19bc17c-d41d-a4be-b561-f6bd275f4c90/db/000018.sst:
No such file or directory
> 	at org.rocksdb.RocksDB.put(Native Method)
> 	at org.rocksdb.RocksDB.put(RocksDB.java:453)
> 	at org.apache.kylin.dict.lookup.cache.RocksDBLookupBuilder.build(RocksDBLookupBuilder.java:74)
> 	at org.apache.kylin.dict.lookup.cache.RocksDBLookupTableCacheTest.testRestoreCacheFromFiles(RocksDBLookupTableCacheTest.java:115)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:498)
> 	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> 	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> 	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> 	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> 	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
> 	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> 	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
> 	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
> 	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
> 	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
> 	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
> 	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
> 	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
> 	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
> 	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> 	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
> 	at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
> 	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
> 	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
> 	at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:379)
> 	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:340)
> 	at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:125)
> 	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:413)
> {code}
>  
>  Search "f19bc17c-d41d-a4be-b561-f6bd275f4c90" you will find that, thread "main" created
this folder and is building the file, at this moment, the "lookup-cache-state-checker-1" thread
mark this folder as "not-in-use" and deleted it. Then caused the main thread failed to write
the file.



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