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Dawood commented on HIVE-21237: ------------------------------- [~yumwang]on my other setup it fails with below error, {noformat} [root@apachehive hive]# bin/schematool -dbType derby -initSchema --verbose SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/usr/local/hive/lib/log4j-slf4j-impl-2.6.2.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in [jar:file:/usr/local/hadoop/share/hadoop/common/lib/slf4j-log4j12-1.7.25.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation. SLF4J: Actual binding is of type [org.apache.logging.slf4j.Log4jLoggerFactory] Metastore connection URL: jdbc:derby://apachehive:1527/metastore_db;create=true Metastore Connection Driver : org.apache.derby.jdbc.EmbeddedDriver Metastore connection User: APP org.apache.hadoop.hive.metastore.HiveMetaException: Failed to get schema version. Underlying cause: java.sql.SQLNonTransientConnectionException : java.net.ConnectException : Error connecting to server apachehive on port 1,527 with message Connection refused (Connection refused). SQL Error code: 40000 org.apache.hadoop.hive.metastore.HiveMetaException: Failed to get schema version. at org.apache.hive.beeline.HiveSchemaHelper.getConnectionToMetastore(HiveSchemaHelper.java:77) at org.apache.hive.beeline.HiveSchemaTool.getConnectionToMetastore(HiveSchemaTool.java:144) at org.apache.hive.beeline.HiveSchemaTool.testConnectionToMetastore(HiveSchemaTool.java:473) at org.apache.hive.beeline.HiveSchemaTool.doInit(HiveSchemaTool.java:577) at org.apache.hive.beeline.HiveSchemaTool.doInit(HiveSchemaTool.java:563) at org.apache.hive.beeline.HiveSchemaTool.main(HiveSchemaTool.java:1145) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.apache.hadoop.util.RunJar.run(RunJar.java:323) at org.apache.hadoop.util.RunJar.main(RunJar.java:236) Caused by: java.sql.SQLNonTransientConnectionException: java.net.ConnectException : Error connecting to server apachehive on port 1,527 with message Connection refused (Connection refused). at org.apache.derby.client.am.SQLExceptionFactory.getSQLException(Unknown Source) at org.apache.derby.client.am.SqlException.getSQLException(Unknown Source) at org.apache.derby.jdbc.ClientDriver.connect(Unknown Source) at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:677) at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:228) at org.apache.hive.beeline.HiveSchemaHelper.getConnectionToMetastore(HiveSchemaHelper.java:73) ... 11 more Caused by: ERROR 08001: java.net.ConnectException : Error connecting to server apachehive on port 1,527 with message Connection refused (Connection refused). at org.apache.derby.client.net.NetAgent.<init>(Unknown Source) at org.apache.derby.client.net.NetConnection.newAgent_(Unknown Source) at org.apache.derby.client.am.ClientConnection.<init>(Unknown Source) at org.apache.derby.client.net.NetConnection.<init>(Unknown Source) at org.apache.derby.client.net.ClientJDBCObjectFactoryImpl.newNetConnection(Unknown Source) ... 15 more Caused by: java.net.ConnectException: Connection refused (Connection refused) at java.base/java.net.PlainSocketImpl.socketConnect(Native Method) at java.base/java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:399) at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:242) at java.base/java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:224) at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:403) at java.base/java.net.Socket.connect(Socket.java:591) at java.base/java.net.Socket.connect(Socket.java:540) at java.base/java.net.Socket.<init>(Socket.java:436) at java.base/java.net.Socket.<init>(Socket.java:213) at java.base/javax.net.DefaultSocketFactory.createSocket(SocketFactory.java:271) at org.apache.derby.client.net.OpenSocketAction.run(Unknown Source) at org.apache.derby.client.net.OpenSocketAction.run(Unknown Source) at java.base/java.security.AccessController.doPrivileged(Native Method) ... 20 more *** schemaTool failed *** {noformat} > [JDK 11] SessionState can't be initialized due to classloader problem > --------------------------------------------------------------------- > > Key: HIVE-21237 > URL: https://issues.apache.org/jira/browse/HIVE-21237 > Project: Hive > Issue Type: Sub-task > Affects Versions: 3.1.1 > Environment: JDK11, Hadoop-3, Hive 3.1.1 > Reporter: Uma Maheswara Rao G > Priority: Major > > When I start Hive with JDK11 > {{2019-02-08 22:29:51,500 INFO SessionState: Hive Session ID = > cecd9c34-d61a-44d0-9e52-a0a7d6413e49 > Exception in thread "main" java.lang.ClassCastException: class > jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to class > java.net.URLClassLoader (jdk.internal.loader.ClassLoaders$AppClassLoader and > java.net.URLClassLoader are in module java.base of loader 'bootstrap') > at > org.apache.hadoop.hive.ql.session.SessionState.<init>(SessionState.java:410) > at > org.apache.hadoop.hive.ql.session.SessionState.<init>(SessionState.java:386) > at > org.apache.hadoop.hive.cli.CliSessionState.<init>(CliSessionState.java:60) > at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:705) > at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:683) > at > java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > at > java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.base/java.lang.reflect.Method.invoke(Method.java:566) > at org.apache.hadoop.util.RunJar.run(RunJar.java:323) > at org.apache.hadoop.util.RunJar.main(RunJar.java:236)}} -- This message was sent by Atlassian Jira (v8.3.4#803005)