Lee moon soo created ZEPPELIN-1326: -------------------------------------- Summary: java.lang.ClassNotFoundException: org.apache.hadoop.security.UserGroupInformation$AuthenticationMethod exception on JDBC interpreter Key: ZEPPELIN-1326 URL: https://issues.apache.org/jira/browse/ZEPPELIN-1326 Project: Zeppelin Issue Type: Bug Affects Versions: 0.7.0 Reporter: Lee moon soo
java.lang.ClassNotFoundException: org.apache.hadoop.security.UserGroupInformation$AuthenticationMethod error on using jdbc interpreter after ZEPPELIN-1212 {code} java.lang.ClassNotFoundException: org.apache.hadoop.security.UserGroupInformation$AuthenticationMethod at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at org.apache.zeppelin.jdbc.security.JDBCSecurityImpl.getAuthtype(JDBCSecurityImpl.java:71) at org.apache.zeppelin.jdbc.JDBCInterpreter.getConnection(JDBCInterpreter.java:217) at org.apache.zeppelin.jdbc.JDBCInterpreter.getStatement(JDBCInterpreter.java:275) at org.apache.zeppelin.jdbc.JDBCInterpreter.executeSql(JDBCInterpreter.java:346) at org.apache.zeppelin.jdbc.JDBCInterpreter.interpret(JDBCInterpreter.java:452) at org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:94) at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:383) at org.apache.zeppelin.scheduler.Job.run(Job.java:176) at org.apache.zeppelin.scheduler.FIFOScheduler$1.run(FIFOScheduler.java:139) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) {code} Workaround is adding "org.apache.hadoop:hadoop-common:2.7.2" in the Dependencies section of interpreter setting on GUI. But jdbc interpreter supposed to work without asking user hadoop-common dependency. -- This message was sent by Atlassian JIRA (v6.3.4#6332)