From: | Samuel Gendler <sgendler(at)ideasculptor(dot)com> |
---|---|
To: | Kris Jurka <books(at)ejurka(dot)com> |
Cc: | Kim Bisgaard <kim+pg(at)alleroedderne(dot)adsl(dot)dk>, pgsql-jdbc(at)postgresql(dot)org |
Subject: | Re: Synchronisation problems in COPY IN |
Date: | 2010-09-13 17:27:35 |
Message-ID: | AANLkTinv9FMCC7gDTEh2dxammqSTPR7pMB1LuY837UGQ@mail.gmail.com |
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Thread: | |
Lists: | pgsql-jdbc |
Your error sure looks exactly like the problem that existed when using a
Reader instead of InputStream with the older driver (701), though your
description implies a different problem.
On Mon, Sep 13, 2010 at 7:17 AM, Kris Jurka <books(at)ejurka(dot)com> wrote:
>
>
> On Mon, 13 Sep 2010, Kim Bisgaard wrote:
>
> We are occasionally experiencing problems with our JDBC implementation of
>> COPY IN.
>>
>> We have cut our program down to the attached example.
>>
>
> Do you get the failure you've shown from this example? I get another
> failure from the connection being close before the last copy thread can
> complete its write operation. This seems like an expected failure, but I
> can't reproduce yours.
>
> org.postgresql.util.PSQLException: Database connection failed when
> canceling copy operation
> at
> org.postgresql.core.v3.QueryExecutorImpl.cancelCopy(QueryExecutorImpl.java:796)
> at
> org.postgresql.core.v3.CopyOperationImpl.cancelCopy(CopyOperationImpl.java:32)
> at org.postgresql.copy.CopyManager.copyIn(CopyManager.java:150)
> at org.postgresql.copy.CopyManager.copyIn(CopyManager.java:126)
> at EvejrDBCopy.run(EvejrDBCopy.java:34)
>
>
> We use PostgreSQL 8.4, and JDBC 8.4-702.
>>
>>
> Your stacktrace shows that you are using 8.4-701, not 702. 702 had some
> fixes to the copy code when using a Reader, but your code shows you are
> using an InputStream, so those changes shouldn't be relevent.
>
> Kris Jurka
>
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