[Pljava-dev] Using JDBC in PL/Java 1.4.0: Statement.executeQuery() automatically closes the statement redux

On 12/03/10 13:35, Tim Clarke wrote:
>> I've been tracking down a problem where checking getWarnings() after an
>> executeQuery() in pljava and found an exchange on the list from 2008
>> that matches my symptoms exactly:
>>
>> http://pgfoundry.org/pipermail/pljava-dev/2008/001298.html
>> <http://pgfoundry.org/pipermail/pljava-dev/2008/001303.html>
>>
>> Kris Jurka replied swiftly and fixed the issue in the source tree. Was
>> this ever released live? I've just downloaded the latest:
>>
>> http://pgfoundry.org/frs/download.php/1597/pljava-i686-pc-linux-gnu-pg8.2-1.4.0.tar.gz
>>
>> To run against our PG 8.2.15 database and I'm still getting the problem.
>>
>>
>>
> I (think) I've managed to get a compile now using Eclipse and jdk1.5_10.
> Unfortunately when registering my java function calls using
>
> set search_path=voting;
>
> select sqlj.install_jar('file:///usr/local/manifest/vote.jar',
> 'vote', false);
> select sqlj.install_jar('file:///usr/share/java/log4j.jar',
> 'log4j', false);
> SELECT sqlj.set_classpath('voting', 'vote:log4j');
>
> CREATE or replace FUNCTION vote(AccountID int8, CapitalID int8,
> EventID int8, CanCopy bool, CopyFromEventID int8)
> RETURNS varchar
> AS 'uk.co.manifest.postgres.vote.VoteCalc.vote(long, long, long,
> boolean, long)'
> volatile LANGUAGE java;
>
> I get the error:
>
> java.lang.NoSuchMethodError: Method org.postgresql.pljava.internal.Portal._
> fetch(JZI)I
>
> on that first install_jar() call followed by "failed to create JVM" on
> any subsequent calls :-/ I've not found an answer by googling. Can
> anyone help?
>

Just for the record (the list's a bit quiet ;-) :

The answer was that the version of the pljava.so file was out of step. I
ran make from command line instead of trying to export from eclipse;
obviously that did not build the C object. I found the correct version
in the folder tree after running make at the command line.

--
Tim Clarke AMBCS MIAP
IT Director
Manifest
9 Freebournes Court
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England

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