Nick Dimiduk created FLINK-3228:
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Summary: Cannot submit multiple streaming involving JDBC drivers
Key: FLINK-3228
URL: https://issues.apache.org/jira/browse/FLINK-3228
Project: Flink
Issue Type: Bug
Components: Streaming
Affects Versions: 0.10.1
Reporter: Nick Dimiduk
I have a streaming pipeline that writes to JDBC in its SinkFunction. When
testing in local mode, I cannot submit the same job multiple times without
restarting flink. Failing to restart flink results in {{java.sql.SQLException:
No suitable driver found}}. I think this has to do with how flink loads user
classes and how the {{DriverManager}} resolves the JDBC Connection class.
I'm not sure if this is only when running in local mode, or in general. I've
been using YARN for cluster jobs, where I have 1:1 cluster to jobs. I suspect
it will impact any cluster mode where processes are recycled between jobs.
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