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From: davecramer (@davecramer) <[email protected]>
To: pgjdbc/pgjdbc <[email protected]>
Subject: Re: [pgjdbc/pgjdbc] issue #3530: JDBC Shared Timer set to cancelled
Date: Wed, 30 Jul 2025 09:35:43 +0000
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

> Hi Team, We are also facing same issue in our production instances. We are using version 42.7.5. We have to restart JVM to bring back our services.
> 
> Stack Trace:
> 
> ```
> java.lang.IllegalStateException: Timer already cancelled.
> 	at java.base/java.util.Timer.sched(Timer.java:398)
> 	at java.base/java.util.Timer.schedule(Timer.java:194)
> 	at org.postgresql.jdbc.PgConnection.addTimerTask(PgConnection.java:1351)
> 	at org.postgresql.jdbc.PgStatement.startTimer(PgStatement.java:996)
> 	at org.postgresql.jdbc.PgStatement.executeInternal(PgStatement.java:516)
> 	at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:434)
> 	at org.postgresql.jdbc.PgStatement.executeWithFlags(PgStatement.java:356)
> 	at org.postgresql.jdbc.PgStatement.executeCachedSql(PgStatement.java:341)
> 	at org.postgresql.jdbc.PgStatement.executeWithFlags(PgStatement.java:317)
> 	at org.postgresql.jdbc.PgStatement.executeQuery(PgStatement.java:266)
> ```

Do you also have a corresponding OOM Exception ?

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