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[pgjdbc/pgjdbc] PR #3960: fix: release COPY lock on IOException to prevent connection hang (#3957)
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* [pgjdbc/pgjdbc] PR #3960: fix: release COPY lock on IOException to prevent connection hang (#3957)
@ 2026-03-13 17:16  "vlsi (@vlsi)" <[email protected]>
  0 siblings, 0 replies; 2+ messages in thread

From: vlsi (@vlsi) @ 2026-03-13 17:16 UTC (permalink / raw)
  To: pgjdbc/pgjdbc <[email protected]>

When an IOException occurs during COPY operations (endCopy, writeToCopy, flushCopy, readFromCopy), the COPY lock was not released, causing all subsequent operations on the connection (e.g. isValid, rollback) to hang indefinitely in waitOnLock(). This matches the existing pattern in cancelCopy() which already releases the lock in its finally block.

Also adds closeAllClients() to StrangeProxyServer for triggering immediate IOExceptions in tests.


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* Re: [pgjdbc/pgjdbc] PR #3960: fix: release COPY lock on IOException to prevent connection hang (#3957)
@ 2026-03-13 20:05  "davecramer (@davecramer)" <[email protected]>
  0 siblings, 0 replies; 2+ messages in thread

From: davecramer (@davecramer) @ 2026-03-13 20:05 UTC (permalink / raw)
  To: pgjdbc/pgjdbc <[email protected]>

I approve, it would be nice to somehow make this cleaner using autocloseble, but this works

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2026-03-13 17:16 [pgjdbc/pgjdbc] PR #3960: fix: release COPY lock on IOException to prevent connection hang (#3957) "vlsi (@vlsi)" <[email protected]>
2026-03-13 20:05 Re: [pgjdbc/pgjdbc] PR #3960: fix: release COPY lock on IOException to prevent connection hang (#3957) "davecramer (@davecramer)" <[email protected]>

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