[DRILL-5702] Jdbc Driver Class not found

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 1.11.0
• Fix Version/s: 1.12.0
• Component/s: Client - JDBC
• Labels: ready-to-commit
• Assignee: Vitalii Diravka
• Reporter: Holger Kiel
• Reviewer: Parth Chandra
• Created: 03/Aug/17 18:04
• Updated: 21/Jun/18 06:11
• Resolved: 09/Dec/17 15:41

Description

Cannot connect to drill cluster after upgrade to new Jar drill-jdbc-all-1.11.0.jar. When replacing Jar file with older release drill-jdbc-all-1.10.0.jar, connection works again. Tested with various client applications:

java.lang.RuntimeException: java.lang.RuntimeException: java.lang.ClassNotFoundException: Class ${package.namespace.prefix}org.apache.hadoop.security.JniBasedUnixGroupsMappingWithFallback not found
        at oadd.org.apache.hadoop.conf.Configuration.getClass(Configuration.java:2227)
        at oadd.org.apache.hadoop.security.Groups.<init>(Groups.java:80)
        at oadd.org.apache.hadoop.security.Groups.<init>(Groups.java:74)
        at oadd.org.apache.hadoop.security.Groups.getUserToGroupsMappingService(Groups.java:303)
        at oadd.org.apache.hadoop.security.UserGroupInformation.initialize(UserGroupInformation.java:283)
        at oadd.org.apache.hadoop.security.UserGroupInformation.setConfiguration(UserGroupInformation.java:311)
        at oadd.org.apache.drill.exec.rpc.security.plain.PlainFactory.createAndLoginUser(PlainFactory.java:63)
        at oadd.org.apache.drill.exec.rpc.user.UserClient.authenticate(UserClient.java:244)
        at oadd.org.apache.drill.exec.rpc.user.UserClient.connect(UserClient.java:171)
        at oadd.org.apache.drill.exec.client.DrillClient.connect(DrillClient.java:432)
        at oadd.org.apache.drill.exec.client.DrillClient.connect(DrillClient.java:379)
        at org.apache.drill.jdbc.impl.DrillConnectionImpl.<init>(DrillConnectionImpl.java:158)
        at org.apache.drill.jdbc.impl.DrillJdbc41Factory.newDrillConnection(DrillJdbc41Factory.java:72)
        at org.apache.drill.jdbc.impl.DrillFactory.newConnection(DrillFactory.java:69)
        at oadd.org.apache.calcite.avatica.UnregisteredDriver.connect(UnregisteredDriver.java:143)
        at org.apache.drill.jdbc.Driver.connect(Driver.java:72)
        at java.sql.DriverManager.getConnection(DriverManager.java:664)
        at java.sql.DriverManager.getConnection(DriverManager.java:208)

Workaround is using the old driver version.

Issue Links

• links to: GitHub Pull Request #1063