[HIVE-21237] [JDK 11] SessionState can't be initialized due to classloader problem

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Not A Problem
• Affects Version/s: 3.1.1

Environment

JDK11, Hadoop-3, Hive 3.1.1

• Assignee: Unassigned
• Reporter: Uma Maheswara Rao G
• Created: 09/Feb/19 04:46
• Updated: 14/Jul/21 11:44
• Resolved: 12/May/20 20:01

Description

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)}}

Issue Links

• is related to: HIVE-22415 Upgrade to Java 11