[
https://issues.apache.org/jira/browse/KYLIN-1352?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dong Li resolved KYLIN-1352.
----------------------------
Resolution: Fixed
Fix Version/s: v2.0
> 'Cache already exists' exception in high-concurrency query situation
> --------------------------------------------------------------------
>
> Key: KYLIN-1352
> URL: https://issues.apache.org/jira/browse/KYLIN-1352
> Project: Kylin
> Issue Type: Bug
> Components: Query Engine
> Affects Versions: v2.0
> Reporter: Dong Li
> Assignee: Dong Li
> Priority: Minor
> Fix For: v2.0
>
>
> Caused by: net.sf.ehcache.ObjectExistsException: Cache xxxxxxxxxxxxxx already
> exists
> at net.sf.ehcache.CacheManager.addCacheNoCheck(CacheManager.java:1390)
> at net.sf.ehcache.CacheManager.addCache(CacheManager.java:1274)
> at net.sf.ehcache.CacheManager.addCache(CacheManager.java:1243)
> at
> org.apache.kylin.storage.cache.AbstractCacheFledgedQuery.makeCacheIfNecessary(AbstractCacheFledgedQuery.java:106)
> at
> org.apache.kylin.storage.cache.AbstractCacheFledgedQuery.<init>(AbstractCacheFledgedQuery.java:32)
> at
> org.apache.kylin.storage.cache.CacheFledgedStaticQuery.<init>(CacheFledgedStaticQuery.java:25)
> at
> org.apache.kylin.storage.hbase.HBaseStorage.wrapWithCache(HBaseStorage.java:108)
> at
> org.apache.kylin.storage.hbase.HBaseStorage.createQuery(HBaseStorage.java:95)
> at
> org.apache.kylin.storage.StorageFactory.createQuery(StorageFactory.java:50)
> at
> org.apache.kylin.query.enumerator.OLAPEnumerator.queryStorage(OLAPEnumerator.java:124)
> at
> org.apache.kylin.query.enumerator.OLAPEnumerator.moveNext(OLAPEnumerator.java:71)
> at Baz$1$1.moveNext(Unknown Source)
> at
> org.apache.calcite.linq4j.EnumerableDefaults.distinct(EnumerableDefaults.java:418)
> at
> org.apache.calcite.linq4j.DefaultEnumerable.distinct(DefaultEnumerable.java:206)
> at Baz.bind(Unknown Source)
> at
> org.apache.calcite.jdbc.CalcitePrepare$CalciteSignature.enumerable(CalcitePrepare.java:281)
> at
> org.apache.calcite.jdbc.CalciteConnectionImpl.enumerable(CalciteConnectionImpl.java:235)
> at
> org.apache.calcite.jdbc.CalciteMetaImpl.createIterable(CalciteMetaImpl.java:533)
> at
> org.apache.calcite.avatica.AvaticaResultSet.execute(AvaticaResultSet.java:184)
> at
> org.apache.calcite.jdbc.CalciteResultSet.execute(CalciteResultSet.java:63)
> at
> org.apache.calcite.jdbc.CalciteResultSet.execute(CalciteResultSet.java:42)
> at
> org.apache.calcite.avatica.AvaticaConnection$1.execute(AvaticaConnection.java:473)
> at
> org.apache.calcite.jdbc.CalciteMetaImpl.prepareAndExecute(CalciteMetaImpl.java:566)
> at
> org.apache.calcite.avatica.AvaticaConnection.prepareAndExecuteInternal(AvaticaConnection.java:477)
> at
> org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:109)
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
