https://community.cloudera.com/t5/Support-Questions/hive-installation/m-p/348443#M235369 <P>As per the stack trace, it seems to be an issue with the JDK. Do check&nbsp;<A href="https://issues.apache.org/jira/browse/HIVE-21237" target="_self">HIVE-21237</A>&nbsp;<A href="https://issues.apache.org/jira/browse/HIVE-21584" target="_self">HIVE-21584</A>&nbsp;</P> Thu, 21 Jul 2022 14:37:06 GMT rki_ 2022-07-21T14:37:06Z https://community.cloudera.com/t5/Support-Questions/hive-installation/m-p/348349#M235352 <P>after completion of schematool successfully</P><P>When I tried to run or open hive&nbsp;</P><P>I got this error</P><P><SPAN>Hive Session ID = 2398ab4d-e3ad-4750-b299-</SPAN><SPAN>0543ea26332e</SPAN><BR /><SPAN>Exception in thread "main" java.lang.ClassCastException: class jdk.internal.loader.</SPAN><SPAN>ClassLoaders$AppClassLoader cannot be cast to class java.net.URLClassLoader (jdk.internal.loader.</SPAN><SPAN>ClassLoaders$AppClassLoader and java.net.URLClassLoader are in module java.base of loader 'bootstrap')</SPAN><BR /><SPAN>at org.apache.hadoop.hive.ql.</SPAN><SPAN>session.SessionState.&lt;init&gt;(</SPAN><SPAN>SessionState.java:413)</SPAN><BR /><SPAN>at org.apache.hadoop.hive.ql.</SPAN><SPAN>session.SessionState.&lt;init&gt;(</SPAN><SPAN>SessionState.java:389)</SPAN><BR /><SPAN>at org.apache.hadoop.hive.cli.</SPAN><SPAN>CliSessionState.&lt;init&gt;(</SPAN><SPAN>CliSessionState.java:60)</SPAN><BR /><SPAN>at org.apache.hadoop.hive.cli.</SPAN><SPAN>CliDriver.run(CliDriver.java:</SPAN><SPAN>705)</SPAN><BR /><SPAN>at org.apache.hadoop.hive.cli.</SPAN><SPAN>CliDriver.main(CliDriver.java:</SPAN><SPAN>683)</SPAN><BR /><SPAN>at java.base/jdk.internal.</SPAN><SPAN>reflect.</SPAN><SPAN>DirectMethodHandleAccessor.</SPAN><SPAN>invoke(</SPAN><SPAN>DirectMethodHandleAccessor.</SPAN><SPAN>java:104)</SPAN><BR /><SPAN>at java.base/java.lang.reflect.</SPAN><SPAN>Method.invoke(Method.java:577)</SPAN><BR /><SPAN>at org.apache.hadoop.util.RunJar.</SPAN><SPAN>run(RunJar.java:221)</SPAN><BR /><SPAN>at org.apache.hadoop.util.RunJar.</SPAN><SPAN>main(RunJar.java:136)</SPAN></P> Wed, 20 Jul 2022 18:15:00 GMT https://community.cloudera.com/t5/Support-Questions/hive-installation/m-p/348349#M235352 learner1 2022-07-20T18:15:00Z https://community.cloudera.com/t5/Support-Questions/hive-installation/m-p/348443#M235369 <P>As per the stack trace, it seems to be an issue with the JDK. Do check&nbsp;<A href="https://issues.apache.org/jira/browse/HIVE-21237" target="_self">HIVE-21237</A>&nbsp;<A href="https://issues.apache.org/jira/browse/HIVE-21584" target="_self">HIVE-21584</A>&nbsp;</P> Thu, 21 Jul 2022 14:37:06 GMT https://community.cloudera.com/t5/Support-Questions/hive-installation/m-p/348443#M235369 rki_ 2022-07-21T14:37:06Z