Peter Vary created HIVE-22580:
---------------------------------

             Summary: Flakyness in TestDbTxnManager2
                 Key: HIVE-22580
                 URL: https://issues.apache.org/jira/browse/HIVE-22580
             Project: Hive
          Issue Type: Test
            Reporter: Peter Vary
            Assignee: Peter Vary


Different TestDbTxnManager2 tests are failing intermittently with:
{code}
2019-12-03T20:18:49,269 DEBUG [main] pool.PoolBase: HikariPool-1 - Reset 
(autoCommit) on connection org.apache.derby.impl.jdbc.EmbedConnection@912054991 
(XID = 347), (SESSIONID = 7), (DATABASE = 
memory:/data/jenkins/workspace/hive-TestDbTxnManager2/hive/ql/target/tmp/junit_metastore_db),
 (DRDAID = null) 
2019-12-03T20:18:49,270 ERROR [main] metastore.RetryingHMSHandler: 
MetaException(message:Unable to select from transaction database 
java.sql.SQLSyntaxErrorException: Table/View 'NEXT_TXN_ID' does not exist.
        at 
org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
        at org.apache.derby.impl.jdbc.Util.generateCsSQLException(Unknown 
Source)
        at 
org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(Unknown 
Source)
        at 
org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(Unknown 
Source)
        at org.apache.derby.impl.jdbc.EmbedConnection.handleException(Unknown 
Source)
        at org.apache.derby.impl.jdbc.ConnectionChild.handleException(Unknown 
Source)
        at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
        at org.apache.derby.impl.jdbc.EmbedStatement.executeQuery(Unknown 
Source)
        at 
com.zaxxer.hikari.pool.ProxyStatement.executeQuery(ProxyStatement.java:108)
        at 
com.zaxxer.hikari.pool.HikariProxyStatement.executeQuery(HikariProxyStatement.java)
        at 
org.apache.hadoop.hive.metastore.txn.TxnHandler.openTxns(TxnHandler.java:604)
        at 
org.apache.hadoop.hive.metastore.txn.TxnHandler.openTxns(TxnHandler.java:560)
        at 
org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.open_txns(HiveMetaStore.java:8095)
        at sun.reflect.GeneratedMethodAccessor47.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
org.apache.hadoop.hive.metastore.RetryingHMSHandler.invokeInternal(RetryingHMSHandler.java:147)
        at 
org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:108)
        at com.sun.proxy.$Proxy38.open_txns(Unknown Source)
        at 
org.apache.hadoop.hive.metastore.HiveMetaStoreClient.openTxnsIntr(HiveMetaStoreClient.java:3139)
        at 
org.apache.hadoop.hive.metastore.HiveMetaStoreClient.openTxn(HiveMetaStoreClient.java:3103)
        at sun.reflect.GeneratedMethodAccessor46.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.invoke(RetryingMetaStoreClient.java:212)
        at com.sun.proxy.$Proxy39.openTxn(Unknown Source)
        at 
org.apache.hadoop.hive.ql.lockmgr.DbTxnManager.openTxn(DbTxnManager.java:250)
        at 
org.apache.hadoop.hive.ql.lockmgr.DbTxnManager.openTxn(DbTxnManager.java:234)
        at org.apache.hadoop.hive.ql.Driver.openTransaction(Driver.java:915)
        at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:640)
        at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1504)
        at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1564)
        at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1387)
        at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1376)
        at 
org.apache.hadoop.hive.ql.lockmgr.TestDbTxnManager2.dropTable(TestDbTxnManager2.java:974)
        at 
org.apache.hadoop.hive.ql.lockmgr.TestDbTxnManager2.testLockBlockedBy(TestDbTxnManager2.java:396)
        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:47)
        at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
        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.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
        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)
Caused by: ERROR 42X05: Table/View 'NEXT_TXN_ID' does not exist.
        at org.apache.derby.iapi.error.StandardException.newException(Unknown 
Source)
        at org.apache.derby.iapi.error.StandardException.newException(Unknown 
Source)
        at 
org.apache.derby.impl.sql.compile.FromBaseTable.bindTableDescriptor(Unknown 
Source)
        at 
org.apache.derby.impl.sql.compile.FromBaseTable.bindNonVTITables(Unknown Source)
        at org.apache.derby.impl.sql.compile.FromList.bindTables(Unknown Source)
        at 
org.apache.derby.impl.sql.compile.SelectNode.bindNonVTITables(Unknown Source)
        at 
org.apache.derby.impl.sql.compile.DMLStatementNode.bindTables(Unknown Source)
        at org.apache.derby.impl.sql.compile.DMLStatementNode.bind(Unknown 
Source)
        at org.apache.derby.impl.sql.compile.CursorNode.bindStatement(Unknown 
Source)
        at org.apache.derby.impl.sql.GenericStatement.prepMinion(Unknown Source)
        at org.apache.derby.impl.sql.GenericStatement.prepare(Unknown Source)
        at 
org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(Unknown
 Source)
        ... 59 more
)
        at 
org.apache.hadoop.hive.metastore.txn.TxnHandler.openTxns(TxnHandler.java:570)
        at 
org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.open_txns(HiveMetaStore.java:8095)
        at sun.reflect.GeneratedMethodAccessor47.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
org.apache.hadoop.hive.metastore.RetryingHMSHandler.invokeInternal(RetryingHMSHandler.java:147)
        at 
org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:108)
        at com.sun.proxy.$Proxy38.open_txns(Unknown Source)
        at 
org.apache.hadoop.hive.metastore.HiveMetaStoreClient.openTxnsIntr(HiveMetaStoreClient.java:3139)
        at 
org.apache.hadoop.hive.metastore.HiveMetaStoreClient.openTxn(HiveMetaStoreClient.java:3103)
        at sun.reflect.GeneratedMethodAccessor46.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.invoke(RetryingMetaStoreClient.java:212)
        at com.sun.proxy.$Proxy39.openTxn(Unknown Source)
        at 
org.apache.hadoop.hive.ql.lockmgr.DbTxnManager.openTxn(DbTxnManager.java:250)
        at 
org.apache.hadoop.hive.ql.lockmgr.DbTxnManager.openTxn(DbTxnManager.java:234)
        at org.apache.hadoop.hive.ql.Driver.openTransaction(Driver.java:915)
        at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:640)
        at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1504)
        at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1564)
        at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1387)
        at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1376)
        at 
org.apache.hadoop.hive.ql.lockmgr.TestDbTxnManager2.dropTable(TestDbTxnManager2.java:974)
        at 
org.apache.hadoop.hive.ql.lockmgr.TestDbTxnManager2.testLockBlockedBy(TestDbTxnManager2.java:396)
        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:47)
        at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
        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.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
        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}

Before this failure we are seeing this:
{code}
2019-12-03T20:18:49,180  WARN [Heartbeater-1] pool.ProxyConnection: 
HikariPool-3 - Connection org.apache.derby.impl.jdbc.EmbedConnection@1077215639 
(XID = 389), (SESSIONID = 49), (DATABASE = 
memory:/data/jenkins/workspace/hive-TestDbTxnManager2/hive/ql/target/tmp/junit_metastore_db),
 (DRDAID = null)  marked as broken because of SQLSTATE(08000), ErrorCode(40000)
java.sql.SQLNonTransientConnectionException: Connection closed by unknown 
interrupt.
        at 
org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source) 
~[derby-10.14.2.0.jar:?]
        at org.apache.derby.impl.jdbc.Util.generateCsSQLException(Unknown 
Source) ~[derby-10.14.2.0.jar:?]
        at 
org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(Unknown 
Source) ~[derby-10.14.2.0.jar:?]
        at 
org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(Unknown 
Source) ~[derby-10.14.2.0.jar:?]
        at org.apache.derby.impl.jdbc.EmbedConnection.handleException(Unknown 
Source) ~[derby-10.14.2.0.jar:?]
        at org.apache.derby.impl.jdbc.ConnectionChild.handleException(Unknown 
Source) ~[derby-10.14.2.0.jar:?]
        at 
org.apache.derby.impl.jdbc.EmbedResultSet.closeOnTransactionError(Unknown 
Source) ~[derby-10.14.2.0.jar:?]
        at org.apache.derby.impl.jdbc.EmbedResultSet.movePosition(Unknown 
Source) ~[derby-10.14.2.0.jar:?]
        at org.apache.derby.impl.jdbc.EmbedResultSet.next(Unknown Source) 
~[derby-10.14.2.0.jar:?]
        at 
com.zaxxer.hikari.pool.HikariProxyResultSet.next(HikariProxyResultSet.java) 
~[HikariCP-2.6.1.jar:?]
        at 
org.datanucleus.store.rdbms.query.ForwardQueryResult.initialise(ForwardQueryResult.java:99)
 ~[datanucleus-rdbms-4.1.19.jar:?]
        at 
org.datanucleus.store.rdbms.query.JDOQLQuery.performExecute(JDOQLQuery.java:703)
 ~[datanucleus-rdbms-4.1.19.jar:?]
        at org.datanucleus.store.query.Query.executeQuery(Query.java:1855) 
~[datanucleus-core-4.1.17.jar:?]
        at org.datanucleus.store.query.Query.executeWithArray(Query.java:1744) 
~[datanucleus-core-4.1.17.jar:?]
        at org.datanucleus.store.query.Query.execute(Query.java:1726) 
~[datanucleus-core-4.1.17.jar:?]
        at org.datanucleus.api.jdo.JDOQuery.executeInternal(JDOQuery.java:374) 
~[datanucleus-api-jdo-4.2.4.jar:?]
        at org.datanucleus.api.jdo.JDOQuery.execute(JDOQuery.java:216) 
~[datanucleus-api-jdo-4.2.4.jar:?]
        at 
org.apache.hadoop.hive.metastore.MetaStoreDirectSql.ensureDbInit(MetaStoreDirectSql.java:246)
 
~[hive-standalone-metastore-3.1.2000.7.1.0.0-SNAPSHOT.jar:3.1.2000.7.1.0.0-SNAPSHOT]
        at 
org.apache.hadoop.hive.metastore.MetaStoreDirectSql.<init>(MetaStoreDirectSql.java:188)
 
~[hive-standalone-metastore-3.1.2000.7.1.0.0-SNAPSHOT.jar:3.1.2000.7.1.0.0-SNAPSHOT]
        at 
org.apache.hadoop.hive.metastore.ObjectStore.initializeHelper(ObjectStore.java:513)
 
~[hive-standalone-metastore-3.1.2000.7.1.0.0-SNAPSHOT.jar:3.1.2000.7.1.0.0-SNAPSHOT]
        at 
org.apache.hadoop.hive.metastore.ObjectStore.initialize(ObjectStore.java:432) 
~[hive-standalone-metastore-3.1.2000.7.1.0.0-SNAPSHOT.jar:3.1.2000.7.1.0.0-SNAPSHOT]
        at 
org.apache.hadoop.hive.metastore.ObjectStore.setConf(ObjectStore.java:385) 
~[hive-standalone-metastore-3.1.2000.7.1.0.0-SNAPSHOT.jar:3.1.2000.7.1.0.0-SNAPSHOT]
        at 
org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:77) 
~[hadoop-common-3.1.1.7.1.0.0-SNAPSHOT.jar:?]
        at 
org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:137) 
~[hadoop-common-3.1.1.7.1.0.0-SNAPSHOT.jar:?]
        at 
org.apache.hadoop.hive.metastore.RawStoreProxy.<init>(RawStoreProxy.java:59) 
~[hive-standalone-metastore-3.1.2000.7.1.0.0-SNAPSHOT.jar:3.1.2000.7.1.0.0-SNAPSHOT]
        at 
org.apache.hadoop.hive.metastore.RawStoreProxy.getProxy(RawStoreProxy.java:67) 
~[hive-standalone-metastore-3.1.2000.7.1.0.0-SNAPSHOT.jar:3.1.2000.7.1.0.0-SNAPSHOT]
        at 
org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.newRawStoreForConf(HiveMetaStore.java:781)
 
~[hive-standalone-metastore-3.1.2000.7.1.0.0-SNAPSHOT.jar:3.1.2000.7.1.0.0-SNAPSHOT]
        at 
org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.getMSForConf(HiveMetaStore.java:749)
 
~[hive-standalone-metastore-3.1.2000.7.1.0.0-SNAPSHOT.jar:3.1.2000.7.1.0.0-SNAPSHOT]
        at 
org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.getMS(HiveMetaStore.java:743)
 
~[hive-standalone-metastore-3.1.2000.7.1.0.0-SNAPSHOT.jar:3.1.2000.7.1.0.0-SNAPSHOT]
        at 
org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:605)
 
~[hive-standalone-metastore-3.1.2000.7.1.0.0-SNAPSHOT.jar:3.1.2000.7.1.0.0-SNAPSHOT]
        at sun.reflect.GeneratedMethodAccessor87.invoke(Unknown Source) ~[?:?]
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 ~[?:1.8.0_202]
        at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_202]
        at 
org.apache.hadoop.hive.metastore.RetryingHMSHandler.invokeInternal(RetryingHMSHandler.java:147)
 
~[hive-standalone-metastore-3.1.2000.7.1.0.0-SNAPSHOT.jar:3.1.2000.7.1.0.0-SNAPSHOT]
        at 
org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:108)
 
~[hive-standalone-metastore-3.1.2000.7.1.0.0-SNAPSHOT.jar:3.1.2000.7.1.0.0-SNAPSHOT]
        at 
org.apache.hadoop.hive.metastore.RetryingHMSHandler.<init>(RetryingHMSHandler.java:80)
 
~[hive-standalone-metastore-3.1.2000.7.1.0.0-SNAPSHOT.jar:3.1.2000.7.1.0.0-SNAPSHOT]
        at 
org.apache.hadoop.hive.metastore.RetryingHMSHandler.getProxy(RetryingHMSHandler.java:93)
 
~[hive-standalone-metastore-3.1.2000.7.1.0.0-SNAPSHOT.jar:3.1.2000.7.1.0.0-SNAPSHOT]
        at 
org.apache.hadoop.hive.metastore.HiveMetaStore.newRetryingHMSHandler(HiveMetaStore.java:9820)
 
~[hive-standalone-metastore-3.1.2000.7.1.0.0-SNAPSHOT.jar:3.1.2000.7.1.0.0-SNAPSHOT]
        at 
org.apache.hadoop.hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:172)
 
~[hive-standalone-metastore-3.1.2000.7.1.0.0-SNAPSHOT.jar:3.1.2000.7.1.0.0-SNAPSHOT]
        at 
org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient.<init>(SessionHiveMetaStoreClient.java:112)
 ~[classes/:?]
        at sun.reflect.GeneratedConstructorAccessor281.newInstance(Unknown 
Source) ~[?:?]
        at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
 ~[?:1.8.0_202]
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423) 
~[?:1.8.0_202]
        at 
org.apache.hadoop.hive.metastore.utils.JavaUtils.newInstance(JavaUtils.java:84) 
~[hive-standalone-metastore-3.1.2000.7.1.0.0-SNAPSHOT.jar:3.1.2000.7.1.0.0-SNAPSHOT]
        at 
org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.<init>(RetryingMetaStoreClient.java:95)
 
~[hive-standalone-metastore-3.1.2000.7.1.0.0-SNAPSHOT.jar:3.1.2000.7.1.0.0-SNAPSHOT]
        at 
org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:148)
 
~[hive-standalone-metastore-3.1.2000.7.1.0.0-SNAPSHOT.jar:3.1.2000.7.1.0.0-SNAPSHOT]
        at 
org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:119)
 
~[hive-standalone-metastore-3.1.2000.7.1.0.0-SNAPSHOT.jar:3.1.2000.7.1.0.0-SNAPSHOT]
        at 
org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:4842) 
~[classes/:?]
        at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:4910) 
~[classes/:?]
        at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:4890) 
~[classes/:?]
        at 
org.apache.hadoop.hive.ql.lockmgr.DbTxnManager.getMS(DbTxnManager.java:192) 
~[classes/:?]
        at 
org.apache.hadoop.hive.ql.lockmgr.DbTxnManager.heartbeat(DbTxnManager.java:632) 
~[classes/:?]
        at 
org.apache.hadoop.hive.ql.lockmgr.DbTxnManager$Heartbeater.lambda$run$0(DbTxnManager.java:1038)
 ~[classes/:?]
        at java.security.AccessController.doPrivileged(Native Method) 
[?:1.8.0_202]
        at javax.security.auth.Subject.doAs(Subject.java:422) [?:1.8.0_202]
        at 
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1876)
 [hadoop-common-3.1.1.7.1.0.0-SNAPSHOT.jar:?]
        at 
org.apache.hadoop.hive.ql.lockmgr.DbTxnManager$Heartbeater.run(DbTxnManager.java:1037)
 [classes/:?]
        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
[?:1.8.0_202]
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) 
[?:1.8.0_202]
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
 [?:1.8.0_202]
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
 [?:1.8.0_202]
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_202]
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_202]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_202]
Caused by: org.apache.derby.iapi.error.StandardException: Connection closed by 
unknown interrupt.
        at org.apache.derby.iapi.error.StandardException.newException(Unknown 
Source) ~[derby-10.14.2.0.jar:?]
        at org.apache.derby.iapi.error.StandardException.newException(Unknown 
Source) ~[derby-10.14.2.0.jar:?]
        at org.apache.derby.iapi.util.InterruptStatus.setInterrupted(Unknown 
Source) ~[derby-10.14.2.0.jar:?]
        at org.apache.derby.iapi.util.InterruptStatus.throwIf(Unknown Source) 
~[derby-10.14.2.0.jar:?]
        at 
org.apache.derby.impl.sql.execute.BasicNoPutResultSetImpl.checkCancellationFlag(Unknown
 Source) ~[derby-10.14.2.0.jar:?]
        at 
org.apache.derby.impl.sql.execute.BulkTableScanResultSet.getNextRowCore(Unknown 
Source) ~[derby-10.14.2.0.jar:?]
        at 
org.apache.derby.impl.sql.execute.ProjectRestrictResultSet.getNextRowCore(Unknown
 Source) ~[derby-10.14.2.0.jar:?]
        at 
org.apache.derby.impl.sql.execute.BasicNoPutResultSetImpl.getNextRow(Unknown 
Source) ~[derby-10.14.2.0.jar:?]
        ... 57 more
{code}



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