controller pinger leaks UDP file descriptors
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Key: SEQUOIA-942
URL: https://forge.continuent.org/jira/browse/SEQUOIA-942
Project: Sequoia
Type: Bug
Components: JDBC Driver
Versions: Sequoia 2.10.7, Sequoia 2.10.6, Sequoia 2.10.5
Reporter: Marc Herbert
Priority: Minor
To reproduce, shut down the network interface on the client. The pinger gets a
IOException every time it tries to send a ping and thus restarts itself every
pingDelay. So far so good. For some non-obvious reason, the new UDP socket
created at each restart stays visible in "lsof", just like it is not
garbage-collected. After a few minutes the socket IOException becomes a "too
many open files" IOException.
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