Ravalison Frederyk wrote:
> The following bug has been logged online:
>
> Bug reference: 2877
> Logged by: Ravalison Frederyk
> Email address: fravali@yahoo.fr
> PostgreSQL version: 8.1
> Operating system: win 2003
> Description: Caused by: org.postgresql.util.PSQLException: Unknown
> Response Type
> Details:
>
> Sometimes in my J2EE web application, I have the following problems:
> Caused by: org.postgresql.util.PSQLException: Unknown Response Type
> at org.postgresql.core.QueryExecutor.executeV3(QueryE xecutor.java:192)
> at org.postgresql.core.QueryExecutor.execute(QueryExe cutor.java:100)
> at org.postgresql.core.QueryExecutor.execute(QueryExe cutor.java:43)
> at
> org.postgresql.jdbc1.AbstractJdbc1Statement.execut e(AbstractJdbc1Statement.j
> ava:517)
> at
> org.postgresql.jdbc2.AbstractJdbc2Statement.execut e(AbstractJdbc2Statement.j
> ava:50)
> at
> org.postgresql.jdbc1.AbstractJdbc1Statement.execut eQuery(AbstractJdbc1Statem
> ent.java:233)
> at
> org.hibernate.jdbc.AbstractBatcher.getResultSet(Ab stractBatcher.java:139)
> at org.hibernate.loader.Loader.getResultSet(Loader.ja va:1669)
> at org.hibernate.loader.Loader.doQuery(Loader.java:66 2)
> at
> org.hibernate.loader.Loader.doQueryAndInitializeNo nLazyCollections(Loader.ja
> va:224)
> at org.hibernate.loader.Loader.loadCollection(Loader. java:1919)
> ... 50 more
>
> The Unknown Response Type will change each page load. To resolve the
> probleme, I have to restart Jonas.
>
> My configuration:
> Jonas 4.5.3
> pg74.216.jdbc3
> Postgres 8.1

you might want to try to upgrade the JDBC driver - if i read
http://jdbc.postgresql.org/download.html correctly pg74.216.jdbc3 is not
the version that should be used against a 8.1 backend.


Stefan

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