Subject Unsupported or unexpected operation code 0
Author Mark Rotteveel
On 2018-07-19 08:37, Stefan Schmaltz schlocke@...
[Firebird-Java] wrote:
> what does this error mean and how can I fix it?
> Caused by: java.sql.SQLNonTransientConnectionException: Unsupported
> or unexpected operation code 0 in processOperation [SQLState:08000,
> ISC error code:337248276]

The error means that Jaybird received a response from Firebird that
Jaybird did not expect. This could mean that there is a bug in in the
protocol implementation in Jaybird (or maybe Firebird). However, without
full version information of Firebird, Jaybird, Java and the exact steps
to reliably reproduce this, I will probably not be able to tell you what
the actual cause is and how you can fix it.


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