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https://issues.apache.org/jira/browse/DRILL-5702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16266142#comment-16266142
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Holger Kiel commented on DRILL-5702:
------------------------------------
All files were taken from the binary distribution archive. When building from
source, the error (Maven property appearing in the classpath) doesn't occur.
> Jdbc Driver Class not found
> ---------------------------
>
> Key: DRILL-5702
> URL: https://issues.apache.org/jira/browse/DRILL-5702
> Project: Apache Drill
> Issue Type: Bug
> Components: Client - JDBC
> Affects Versions: 1.11.0
> Reporter: Holger Kiel
> Priority: Critical
>
> 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:
> {code}
> 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)
> {code}
> Workaround is using the old driver version.
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