My guess is some one moved the data folder or the directory got deleted (/var/lib/pgsql/9.0/data/.../...1663/16384/16564). Without server restart. I am sure some experts gonna answer this very well.
Thanks Deepak On Jul 30, 2011, at 2:01 AM, Deniz Atak <deniza...@gmail.com> wrote: > Hi, > > I am using postgresql on Glassfish server and I have EJB 3.0 for ORM. I am > trying to run a query in PSQL but receiving following error: > > Local Exception Stack: > Exception [EclipseLink-4002] (Eclipse Persistence Services - > 2.0.0.v20091031-r5713): org.eclipse.persistence.exceptions.DatabaseException > Internal Exception: org.postgresql.util.PSQLException: ERROR: could not read > block 4707 of relation 1663/16384/16564: Success > Error Code: 0 > Call: select src_ip from table where date > '2011.07.29' AND date < > '2011.07.30' AND ( (src_ip = 'anIP' ) OR ( src_ip = 'anotherIP' ) ) > group by src_ip; > bind => [2011-07-29 00:00:00.0, 2011-07-30 00:00:00.0, 195.122.20.236, > 195.122.20.88, 500, 0] > Query: ResultSetMappingQuery(sql="select src_ip from table where date > > '2011.07.29' AND date < '2011.07.30' AND ( (src_ip = 'anIP' ) OR ( src_ip > = 'anotherIP' ) ) group by src_ip; ") > > It is kind of weird to have an error that ends with success :) > > Do you have any opinion about this problem? Thanks in advance. > > Deniz > > >
