venkatramanp opened a new issue #9599: org.apache.druid.collections.StupidPool - Not closed! Object leaked from StupidPool while loading lookups URL: https://github.com/apache/druid/issues/9599 ### Affected Version Druid 0.17 ### Description Occasionally the following error is seen while lookups are being loaded: Problem -------- Occasionally, "WARN [Reference Handler] org.apache.druid.collections.StupidPool - Not closed! Object leaked from StupidPool" message is seen when lookup is being loaded. > 2020-03-21T10:01:21,169 INFO > [LookupExtractorFactoryContainerProvider-Startup-1] > org.apache.druid.query.lookup.LookupReferencesManager - Starting > lookup > [order_has_geogps_targeting]:[LookupExtractorFactoryContainer{version='2020-02-17T22:06:24.677Z', > lookupExtractorFactory=NamespaceLookupExtractorFactory{extractionNamespace=JdbcExtractionNamespace{connectorConfig=DbConnectorConfig{createTables=false, > connectURI='jdbc:postgresql://testrds.amazonaws.com:5432/manager', > user='imply', > passwordProvider=org.apache.druid.metadata.DefaultPasswordProvider, > dbcpProperties=null}, table='lookups.orders', keyColumn='lineId', > valueColumn='has_geogps_targeting', tsColumn='null', filter='null', > pollPeriod=PT53M}, firstCacheTimeout=300000, injective=false, > extractorID='namespace-factory-JdbcExtractionNamespace{connectorConfig=DbConnectorConfig{createTables=false, > connectURI='jdbc:postgresql://testrds.amazonaws.com:5432/manager', > user='imply', > passwordProvider=org.apache.druid.metadata.DefaultPasswordProvider, > dbcpProperties=null}, table='lookups.orders', keyColumn='lineId', > valueColumn='has_geogps_targeting', tsColumn='null', filter='null', > pollPeriod=PT53M}-bcef2348-ccae-4ea5-8693-1d0fd6f7dcee'}}] > 2020-03-21T10:01:21.241+0000: [GC (Allocation Failure) > 946687K->492598K(2122752K), 0.1333336 secs] 2020-03-21T10:01:21,375 > WARN [Reference Handler] org.apache.druid.collections.StupidPool - Not > closed! Object leaked from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,375 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,375 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,375 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,375 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,375 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,375 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,375 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,375 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,375 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,376 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,376 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,376 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,376 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,376 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,376 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,376 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,376 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,376 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,376 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,376 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,376 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,376 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,376 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,376 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. 2020-03-21T10:01:21,377 WARN [Reference Handler] > org.apache.druid.collections.StupidPool - Not closed! Object leaked > from StupidPool{name=littleEndByteBufPool, > objectsCacheMaxCount=2147483647, poolSize=0}. Allowing gc to prevent > leak. Doesn't seem to be causing any issues with lookup though.
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