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https://issues.apache.org/jira/browse/HIVE-21237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16934203#comment-16934203
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Dawood commented on HIVE-21237:
-------------------------------
Hello [~yumwang]
Now I get the below error on my hive setup,
{noformat}
hive> show tables;
FAILED: SemanticException org.apache.hadoop.hive.ql.metadata.HiveException:
java.lang.RuntimeException: Unable to instantiate
org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient
{noformat}
Could you please help here, thx
> [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)}}
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