You need to use the org.apache.drill.jdbc.Driver class. The drill-jdbc-all dependency should be enough. Are you trying to connect to an HDFS cluster's zookeeper?
-----Original Message----- From: Aspen Hsu [mailto:[email protected]] Sent: Wednesday, June 14, 2017 12:07 PM To: [email protected] Subject: JDBC help Hello, I am working on a maven project that relies on drill-JDBC, for a stand alone project, I used this dependency (and it connected/ran fine) <groupId>org.apache.drill.exec</groupId> <artifactId>drill-jdbc-all</artifactId> <version>1.10.0</version> For my actual project, I am using the same dependency and getting this error. WARN oadd.org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect java.lang.NoClassDefFoundError: oadd/org/apache/log4j/Logger Any help is appreciated :) Also what when should each of these be used? "org.apache.drill.jdbc.Driver" "com.mapr.drill.jdbc41.Driver" -Aspen Aspen Hsu Engineering Intern Xactly Corporation *T:* 408.987.6543 *C:* 408.234.5678 www.xactlycorp.com NYSE: XTLY -- [image: What's New with Xactly] <http://www.xactlycorp.com/email-click/> <https://www.nyse.com/quote/XNYS:XTLY> [image: LinkedIn] <https://www.linkedin.com/company/xactly-corporation> [image: Twitter] <https://twitter.com/Xactly> [image: Facebook] <https://www.facebook.com/XactlyCorp> [image: YouTube] <http://www.youtube.com/xactlycorporation>
