gistfile1.txt

Hot threads at 2019-06-04T21:57:32.810Z, interval=500ms, busiestThreads=3, ignoreIdleThreads=true:
   
   46.5% (232.5ms out of 500ms) cpu usage by thread 'elasticsearch[node_master][search][T#5]'
     3/10 snapshots sharing following 30 elements
       org.apache.lucene.util.BitSet.or(BitSet.java:94)
       org.apache.lucene.util.FixedBitSet.or(FixedBitSet.java:271)
       org.apache.lucene.util.DocIdSetBuilder.add(DocIdSetBuilder.java:87)
       org.apache.lucene.search.MultiTermQueryConstantScoreWrapper$1.rewrite(MultiTermQueryConstantScoreWrapper.java:173)
       org.apache.lucene.search.MultiTermQueryConstantScoreWrapper$1.scorer(MultiTermQueryConstantScoreWrapper.java:213)
       org.apache.lucene.search.LRUQueryCache$CachingWrapperWeight.scorer(LRUQueryCache.java:628)
       org.elasticsearch.indices.cache.query.IndicesQueryCache$CachingWeightWrapper.scorer(IndicesQueryCache.java:263)
       org.apache.lucene.search.BooleanWeight.scorer(BooleanWeight.java:389)
       org.apache.lucene.search.LRUQueryCache$CachingWrapperWeight.scorer(LRUQueryCache.java:628)
       org.elasticsearch.indices.cache.query.IndicesQueryCache$CachingWeightWrapper.scorer(IndicesQueryCache.java:263)
       org.apache.lucene.search.BooleanWeight.scorer(BooleanWeight.java:389)
       org.apache.lucene.search.Weight.bulkScorer(Weight.java:135)
       org.apache.lucene.search.BooleanWeight.bulkScorer(BooleanWeight.java:370)
       org.apache.lucene.search.LRUQueryCache$CachingWrapperWeight.bulkScorer(LRUQueryCache.java:655)
       org.elasticsearch.indices.cache.query.IndicesQueryCache$CachingWeightWrapper.bulkScorer(IndicesQueryCache.java:269)
       org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:818)
       org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:535)
       org.elasticsearch.search.query.QueryPhase.execute(QueryPhase.java:384)
       org.elasticsearch.search.query.QueryPhase.execute(QueryPhase.java:113)
       org.elasticsearch.search.SearchService.loadOrExecuteQueryPhase(SearchService.java:372)
       org.elasticsearch.search.SearchService.executeQueryPhase(SearchService.java:385)
       org.elasticsearch.search.action.SearchServiceTransportAction$SearchQueryTransportHandler.messageReceived(SearchServiceTransportAction.java:368)
       org.elasticsearch.search.action.SearchServiceTransportAction$SearchQueryTransportHandler.messageReceived(SearchServiceTransportAction.java:365)
       org.elasticsearch.transport.TransportRequestHandler.messageReceived(TransportRequestHandler.java:33)
       org.elasticsearch.transport.RequestHandlerRegistry.processMessageReceived(RequestHandlerRegistry.java:77)
       org.elasticsearch.transport.TransportService$4.doRun(TransportService.java:378)
       org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37)
       java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
       java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
       java.lang.Thread.run(Thread.java:745)
     5/10 snapshots sharing following 26 elements
       org.apache.lucene.search.MultiTermQueryConstantScoreWrapper$1.scorer(MultiTermQueryConstantScoreWrapper.java:213)
       org.apache.lucene.search.LRUQueryCache$CachingWrapperWeight.scorer(LRUQueryCache.java:628)
       org.elasticsearch.indices.cache.query.IndicesQueryCache$CachingWeightWrapper.scorer(IndicesQueryCache.java:263)
       org.apache.lucene.search.BooleanWeight.scorer(BooleanWeight.java:389)
       org.apache.lucene.search.LRUQueryCache$CachingWrapperWeight.scorer(LRUQueryCache.java:628)
       org.elasticsearch.indices.cache.query.IndicesQueryCache$CachingWeightWrapper.scorer(IndicesQueryCache.java:263)
       org.apache.lucene.search.BooleanWeight.scorer(BooleanWeight.java:389)
       org.apache.lucene.search.Weight.bulkScorer(Weight.java:135)
       org.apache.lucene.search.BooleanWeight.bulkScorer(BooleanWeight.java:370)
       org.apache.lucene.search.LRUQueryCache$CachingWrapperWeight.bulkScorer(LRUQueryCache.java:655)
       org.elasticsearch.indices.cache.query.IndicesQueryCache$CachingWeightWrapper.bulkScorer(IndicesQueryCache.java:269)
       org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:818)
       org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:535)
       org.elasticsearch.search.query.QueryPhase.execute(QueryPhase.java:384)
       org.elasticsearch.search.query.QueryPhase.execute(QueryPhase.java:113)
       org.elasticsearch.search.SearchService.loadOrExecuteQueryPhase(SearchService.java:372)
       org.elasticsearch.search.SearchService.executeQueryPhase(SearchService.java:385)
       org.elasticsearch.search.action.SearchServiceTransportAction$SearchQueryTransportHandler.messageReceived(SearchServiceTransportAction.java:368)
       org.elasticsearch.search.action.SearchServiceTransportAction$SearchQueryTransportHandler.messageReceived(SearchServiceTransportAction.java:365)
       org.elasticsearch.transport.TransportRequestHandler.messageReceived(TransportRequestHandler.java:33)
       org.elasticsearch.transport.RequestHandlerRegistry.processMessageReceived(RequestHandlerRegistry.java:77)
       org.elasticsearch.transport.TransportService$4.doRun(TransportService.java:378)
       org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37)
       java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
       java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
       java.lang.Thread.run(Thread.java:745)
     2/10 snapshots sharing following 21 elements
       java.util.HashMap.hash(HashMap.java:338)
       java.util.HashMap.put(HashMap.java:611)
       org.apache.lucene.search.Multiset.add(Multiset.java:91)
       org.apache.lucene.search.BooleanQuery.<init>(BooleanQuery.java:171)
       org.apache.lucene.search.BooleanQuery.<init>(BooleanQuery.java:42)
       org.apache.lucene.search.BooleanQuery$Builder.build(BooleanQuery.java:146)
       org.elasticsearch.search.internal.DefaultSearchContext.buildFilteredQuery(DefaultSearchContext.java:247)
       org.elasticsearch.search.internal.DefaultSearchContext.preProcess(DefaultSearchContext.java:229)
       org.elasticsearch.search.query.QueryPhase.preProcess(QueryPhase.java:103)
       org.elasticsearch.search.SearchService.createContext(SearchService.java:689)
       org.elasticsearch.search.SearchService.createAndPutContext(SearchService.java:633)
       org.elasticsearch.search.SearchService.executeQueryPhase(SearchService.java:377)
       org.elasticsearch.search.action.SearchServiceTransportAction$SearchQueryTransportHandler.messageReceived(SearchServiceTransportAction.java:368)
       org.elasticsearch.search.action.SearchServiceTransportAction$SearchQueryTransportHandler.messageReceived(SearchServiceTransportAction.java:365)
       org.elasticsearch.transport.TransportRequestHandler.messageReceived(TransportRequestHandler.java:33)
       org.elasticsearch.transport.RequestHandlerRegistry.processMessageReceived(RequestHandlerRegistry.java:77)
       org.elasticsearch.transport.TransportService$4.doRun(TransportService.java:378)
       org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37)
       java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
       java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
       java.lang.Thread.run(Thread.java:745)
   
   41.5% (207.7ms out of 500ms) cpu usage by thread 'elasticsearch[node_master][search][T#7]'
     2/10 snapshots sharing following 38 elements
       java.util.TreeMap.getEntry(TreeMap.java:359)
       java.util.TreeMap.get(TreeMap.java:278)
       org.apache.lucene.codecs.blocktree.BlockTreeTermsReader.terms(BlockTreeTermsReader.java:289)
       org.apache.lucene.codecs.perfield.PerFieldPostingsFormat$FieldsReader.terms(PerFieldPostingsFormat.java:285)
       org.apache.lucene.index.LeafReader.terms(LeafReader.java:207)
       org.apache.lucene.search.TermQuery$TermWeight.getTermsEnum(TermQuery.java:123)
       org.apache.lucene.search.TermQuery$TermWeight.scorer(TermQuery.java:102)
       org.apache.lucene.search.LRUQueryCache$CachingWrapperWeight.scorer(LRUQueryCache.java:628)
       org.elasticsearch.indices.cache.query.IndicesQueryCache$CachingWeightWrapper.scorer(IndicesQueryCache.java:263)
       org.apache.lucene.search.BooleanWeight.scorer(BooleanWeight.java:389)
       org.apache.lucene.search.LRUQueryCache$CachingWrapperWeight.scorer(LRUQueryCache.java:628)
       org.elasticsearch.indices.cache.query.IndicesQueryCache$CachingWeightWrapper.scorer(IndicesQueryCache.java:263)
       org.apache.lucene.search.MultiTermQueryConstantScoreWrapper$1.scorer(MultiTermQueryConstantScoreWrapper.java:215)
       org.apache.lucene.search.LRUQueryCache$CachingWrapperWeight.scorer(LRUQueryCache.java:628)
       org.elasticsearch.indices.cache.query.IndicesQueryCache$CachingWeightWrapper.scorer(IndicesQueryCache.java:263)
       org.apache.lucene.search.BooleanWeight.scorer(BooleanWeight.java:389)
       org.apache.lucene.search.LRUQueryCache$CachingWrapperWeight.scorer(LRUQueryCache.java:628)
       org.elasticsearch.indices.cache.query.IndicesQueryCache$CachingWeightWrapper.scorer(IndicesQueryCache.java:263)
       org.apache.lucene.search.BooleanWeight.scorer(BooleanWeight.java:389)
       org.apache.lucene.search.Weight.bulkScorer(Weight.java:135)
       org.apache.lucene.search.BooleanWeight.bulkScorer(BooleanWeight.java:370)
       org.apache.lucene.search.LRUQueryCache$CachingWrapperWeight.bulkScorer(LRUQueryCache.java:655)
       org.elasticsearch.indices.cache.query.IndicesQueryCache$CachingWeightWrapper.bulkScorer(IndicesQueryCache.java:269)
       org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:818)
       org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:535)
       org.elasticsearch.search.query.QueryPhase.execute(QueryPhase.java:384)
       org.elasticsearch.search.query.QueryPhase.execute(QueryPhase.java:113)
       org.elasticsearch.search.SearchService.loadOrExecuteQueryPhase(SearchService.java:372)
       org.elasticsearch.search.SearchService.executeQueryPhase(SearchService.java:385)
       org.elasticsearch.search.action.SearchServiceTransportAction$SearchQueryTransportHandler.messageReceived(SearchServiceTransportAction.java:368)
       org.elasticsearch.search.action.SearchServiceTransportAction$SearchQueryTransportHandler.messageReceived(SearchServiceTransportAction.java:365)
       org.elasticsearch.transport.TransportRequestHandler.messageReceived(TransportRequestHandler.java:33)
       org.elasticsearch.transport.RequestHandlerRegistry.processMessageReceived(RequestHandlerRegistry.java:77)
       org.elasticsearch.transport.TransportService$4.doRun(TransportService.java:378)
       org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37)
       java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
       java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
       java.lang.Thread.run(Thread.java:745)
     7/10 snapshots sharing following 26 elements
       org.apache.lucene.search.MultiTermQueryConstantScoreWrapper$1.scorer(MultiTermQueryConstantScoreWrapper.java:213)
       org.apache.lucene.search.LRUQueryCache$CachingWrapperWeight.scorer(LRUQueryCache.java:628)
       org.elasticsearch.indices.cache.query.IndicesQueryCache$CachingWeightWrapper.scorer(IndicesQueryCache.java:263)
       org.apache.lucene.search.BooleanWeight.scorer(BooleanWeight.java:389)
       org.apache.lucene.search.LRUQueryCache$CachingWrapperWeight.scorer(LRUQueryCache.java:628)
       org.elasticsearch.indices.cache.query.IndicesQueryCache$CachingWeightWrapper.scorer(IndicesQueryCache.java:263)
       org.apache.lucene.search.BooleanWeight.scorer(BooleanWeight.java:389)
       org.apache.lucene.search.Weight.bulkScorer(Weight.java:135)
       org.apache.lucene.search.BooleanWeight.bulkScorer(BooleanWeight.java:370)
       org.apache.lucene.search.LRUQueryCache$CachingWrapperWeight.bulkScorer(LRUQueryCache.java:655)
       org.elasticsearch.indices.cache.query.IndicesQueryCache$CachingWeightWrapper.bulkScorer(IndicesQueryCache.java:269)
       org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:818)
       org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:535)
       org.elasticsearch.search.query.QueryPhase.execute(QueryPhase.java:384)
       org.elasticsearch.search.query.QueryPhase.execute(QueryPhase.java:113)
       org.elasticsearch.search.SearchService.loadOrExecuteQueryPhase(SearchService.java:372)
       org.elasticsearch.search.SearchService.executeQueryPhase(SearchService.java:385)
       org.elasticsearch.search.action.SearchServiceTransportAction$SearchQueryTransportHandler.messageReceived(SearchServiceTransportAction.java:368)
       org.elasticsearch.search.action.SearchServiceTransportAction$SearchQueryTransportHandler.messageReceived(SearchServiceTransportAction.java:365)
       org.elasticsearch.transport.TransportRequestHandler.messageReceived(TransportRequestHandler.java:33)
       org.elasticsearch.transport.RequestHandlerRegistry.processMessageReceived(RequestHandlerRegistry.java:77)
       org.elasticsearch.transport.TransportService$4.doRun(TransportService.java:378)
       org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37)
       java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
       java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
       java.lang.Thread.run(Thread.java:745)
     unique snapshot
       org.apache.lucene.codecs.blocktree.SegmentTermsEnum.seekExact(SegmentTermsEnum.java:542)
       org.apache.lucene.index.TermContext.build(TermContext.java:94)
       org.apache.lucene.search.TermQuery.createWeight(TermQuery.java:192)
       org.apache.lucene.search.IndexSearcher.createWeight(IndexSearcher.java:904)
       org.apache.lucene.search.BooleanWeight.<init>(BooleanWeight.java:57)
       org.apache.lucene.search.BooleanQuery.createWeight(BooleanQuery.java:239)
       org.apache.lucene.search.IndexSearcher.createWeight(IndexSearcher.java:904)
       org.apache.lucene.search.ConstantScoreQuery.createWeight(ConstantScoreQuery.java:119)
       org.apache.lucene.search.IndexSearcher.createWeight(IndexSearcher.java:904)
       org.apache.lucene.search.BooleanWeight.<init>(BooleanWeight.java:57)
       org.apache.lucene.search.BooleanQuery.createWeight(BooleanQuery.java:239)
       org.apache.lucene.search.IndexSearcher.createWeight(IndexSearcher.java:904)
       org.apache.lucene.search.IndexSearcher.createNormalizedWeight(IndexSearcher.java:887)
       org.elasticsearch.search.internal.ContextIndexSearcher.createNormalizedWeight(ContextIndexSearcher.java:100)
       org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:535)
       org.elasticsearch.search.query.QueryPhase.execute(QueryPhase.java:384)
       org.elasticsearch.search.query.QueryPhase.execute(QueryPhase.java:113)
       org.elasticsearch.search.SearchService.loadOrExecuteQueryPhase(SearchService.java:372)
       org.elasticsearch.search.SearchService.executeQueryPhase(SearchService.java:385)
       org.elasticsearch.search.action.SearchServiceTransportAction$SearchQueryTransportHandler.messageReceived(SearchServiceTransportAction.java:368)
       org.elasticsearch.search.action.SearchServiceTransportAction$SearchQueryTransportHandler.messageReceived(SearchServiceTransportAction.java:365)
       org.elasticsearch.transport.TransportRequestHandler.messageReceived(TransportRequestHandler.java:33)
       org.elasticsearch.transport.RequestHandlerRegistry.processMessageReceived(RequestHandlerRegistry.java:77)
       org.elasticsearch.transport.TransportService$4.doRun(TransportService.java:378)
       org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37)
       java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
       java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
       java.lang.Thread.run(Thread.java:745)
   
   34.1% (170.5ms out of 500ms) cpu usage by thread 'elasticsearch[node_master][search][T#2]'
     3/10 snapshots sharing following 14 elements
       java.util.HashMap.hash(HashMap.java:338)
       java.util.HashMap.get(HashMap.java:556)
       org.elasticsearch.search.fetch.FetchPhase.createSearchHit(FetchPhase.java:247)
       org.elasticsearch.search.fetch.FetchPhase.execute(FetchPhase.java:178)
       org.elasticsearch.search.SearchService.executeFetchPhase(SearchService.java:605)
       org.elasticsearch.search.action.SearchServiceTransportAction$FetchByIdTransportHandler.messageReceived(SearchServiceTransportAction.java:408)
       org.elasticsearch.search.action.SearchServiceTransportAction$FetchByIdTransportHandler.messageReceived(SearchServiceTransportAction.java:405)
       org.elasticsearch.transport.TransportRequestHandler.messageReceived(TransportRequestHandler.java:33)
       org.elasticsearch.transport.RequestHandlerRegistry.processMessageReceived(RequestHandlerRegistry.java:77)
       org.elasticsearch.transport.TransportService$4.doRun(TransportService.java:378)
       org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37)
       java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
       java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
       java.lang.Thread.run(Thread.java:745)
     3/10 snapshots sharing following 26 elements
       org.apache.lucene.search.MultiTermQueryConstantScoreWrapper$1.scorer(MultiTermQueryConstantScoreWrapper.java:213)
       org.apache.lucene.search.LRUQueryCache$CachingWrapperWeight.scorer(LRUQueryCache.java:628)
       org.elasticsearch.indices.cache.query.IndicesQueryCache$CachingWeightWrapper.scorer(IndicesQueryCache.java:263)
       org.apache.lucene.search.BooleanWeight.scorer(BooleanWeight.java:389)
       org.apache.lucene.search.LRUQueryCache$CachingWrapperWeight.scorer(LRUQueryCache.java:628)
       org.elasticsearch.indices.cache.query.IndicesQueryCache$CachingWeightWrapper.scorer(IndicesQueryCache.java:263)
       org.apache.lucene.search.BooleanWeight.scorer(BooleanWeight.java:389)
       org.apache.lucene.search.Weight.bulkScorer(Weight.java:135)
       org.apache.lucene.search.BooleanWeight.bulkScorer(BooleanWeight.java:370)
       org.apache.lucene.search.LRUQueryCache$CachingWrapperWeight.bulkScorer(LRUQueryCache.java:655)
       org.elasticsearch.indices.cache.query.IndicesQueryCache$CachingWeightWrapper.bulkScorer(IndicesQueryCache.java:269)
       org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:818)
       org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:535)
       org.elasticsearch.search.query.QueryPhase.execute(QueryPhase.java:384)
       org.elasticsearch.search.query.QueryPhase.execute(QueryPhase.java:113)
       org.elasticsearch.search.SearchService.loadOrExecuteQueryPhase(SearchService.java:372)
       org.elasticsearch.search.SearchService.executeQueryPhase(SearchService.java:385)
       org.elasticsearch.search.action.SearchServiceTransportAction$SearchQueryTransportHandler.messageReceived(SearchServiceTransportAction.java:368)
       org.elasticsearch.search.action.SearchServiceTransportAction$SearchQueryTransportHandler.messageReceived(SearchServiceTransportAction.java:365)
       org.elasticsearch.transport.TransportRequestHandler.messageReceived(TransportRequestHandler.java:33)
       org.elasticsearch.transport.RequestHandlerRegistry.processMessageReceived(RequestHandlerRegistry.java:77)
       org.elasticsearch.transport.TransportService$4.doRun(TransportService.java:378)
       org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37)
       java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
       java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
       java.lang.Thread.run(Thread.java:745)
     4/10 snapshots sharing following 22 elements
       org.apache.lucene.util.RoaringDocIdSet$ShortArrayDocIdSet$1.advance(RoaringDocIdSet.java:215)
       org.apache.lucene.util.RoaringDocIdSet$Iterator.advance(RoaringDocIdSet.java:303)
       org.apache.lucene.search.ConjunctionDISI.doNext(ConjunctionDISI.java:178)
       org.apache.lucene.search.ConjunctionDISI.nextDoc(ConjunctionDISI.java:207)
       org.apache.lucene.search.Weight$DefaultBulkScorer.scoreAll(Weight.java:219)
       org.apache.lucene.search.Weight$DefaultBulkScorer.score(Weight.java:172)
       org.apache.lucene.search.BulkScorer.score(BulkScorer.java:39)
       org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:821)
       org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:535)
       org.elasticsearch.search.query.QueryPhase.execute(QueryPhase.java:384)
       org.elasticsearch.search.query.QueryPhase.execute(QueryPhase.java:113)
       org.elasticsearch.search.SearchService.loadOrExecuteQueryPhase(SearchService.java:372)
       org.elasticsearch.search.SearchService.executeQueryPhase(SearchService.java:385)
       org.elasticsearch.search.action.SearchServiceTransportAction$SearchQueryTransportHandler.messageReceived(SearchServiceTransportAction.java:368)
       org.elasticsearch.search.action.SearchServiceTransportAction$SearchQueryTransportHandler.messageReceived(SearchServiceTransportAction.java:365)
       org.elasticsearch.transport.TransportRequestHandler.messageReceived(TransportRequestHandler.java:33)
       org.elasticsearch.transport.RequestHandlerRegistry.processMessageReceived(RequestHandlerRegistry.java:77)
       org.elasticsearch.transport.TransportService$4.doRun(TransportService.java:378)
       org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37)
       java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
       java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
       java.lang.Thread.run(Thread.java:745)