Amit Katti created DRILL-1160:
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Summary: Need changes to Drill classpath to run Drill on CDH
Key: DRILL-1160
URL: https://issues.apache.org/jira/browse/DRILL-1160
Project: Apache Drill
Issue Type: Bug
Components: Tools, Build & Test
Environment: CDH 4 and CDH 5
Reporter: Amit Katti
For Drill to work successfully on CDH, we need to make changes to the
classpath. Otherwise while making changes to the storage plugin to point to
hdfs on the UI, it simply hangs.
The required jars to be present on the Drill classpath are:
/opt/cloudera/parcels/CDH-4.7.0-1.cdh4.7.0.p0.40/lib/hadoop/hadoop-annotations-2.0.0-cdh4.7.0.jar
/opt/cloudera/parcels/CDH-4.7.0-1.cdh4.7.0.p0.40/lib/hadoop/hadoop-auth-2.0.0-cdh4.7.0.jar
/opt/cloudera/parcels/CDH-4.7.0-1.cdh4.7.0.p0.40/lib/hadoop/hadoop-common-2.0.0-cdh4.7.0.jar
/opt/cloudera/parcels/CDH-4.7.0-1.cdh4.7.0.p0.40/lib/hadoop-hdfs/hadoop-hdfs-2.0.0-cdh4.7.0.jar
However inside these 2 folders (hadoop & hadoop-hdfs) there are multiple
duplicate soft links to these jars, which i believe is causing some kind of
classpath ordering issue.
These 2 commands should help us get the required jars from the folders:
ls -all /opt/cloudera/parcels/CDH-4.7.0-1.cdh4.7.0.p0.40/lib/hadoop/*.jar |
grep -v '^l' | grep -v 'test' | grep -Eo '([^ ]|\\ )*$'
ls -all /opt/cloudera/parcels/CDH-4.7.0-1.cdh4.7.0.p0.40/lib/hadoop-hdfs/*.jar
| grep -v '^l' | grep -v 'test' | grep -Eo '([^ ]|\\ )*$'
Also the location of these jars can change depending on how/where they are
installed
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