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Posted to user@spark.apache.org by Deenar Toraskar <de...@gmail.com> on 2016/01/13 14:28:26 UTC

Error connecting to temporary derby metastore used by Spark, when running multiple jobs on the same SparkContext

Hi

I am using the spark-jobserver and see the following messages when a lot of
jobs are submitted simultaneously to the same SparkContext. Any ideas as to
what might cause this.

[2016-01-13 13:12:11,753] ERROR com.jolbox.bonecp.BoneCP []
[akka://JobServer/user/context-supervisor/ingest-context] - Failed to
acquire connection to
jdbc:derby:;databaseName=/tmp/spark-0b6014b0-96b8-419e-9f9f-10fa9392d9f4/metastore;create=true.
Sleeping for 7000 ms. Attempts left: 1
java.sql.SQLException: No suitable driver found for
jdbc:derby:;databaseName=/tmp/spark-0b6014b0-96b8-419e-9f9f-10fa9392d9f4/metastore;create=true

Regards
Deenar