Curious if the interpreter holds a JDBC connection open, and if that connection 
ever times out (closes), does the interpreter + JDBC interaction have a way to 
reconnect?


I have the JDBC interpreter connecting to MySQL - works well.
However after a few minutes of not using the notebook - running a query again 
throws a “ConnectionClosed” exception.
If I restart the interpreter, all is good.

Is there a JDBC setting to “Reconnect” ?
Wondering if the interpreter is holding a connection open, and eventually that 
connection is closed due to a timeout setting, and Zeppelin+JDBC still expects 
it to be alive.

using: mysql:mysql-connector-java:5.1.38
 


Best
Jeff

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