Reading and querying against date values with Criteria API causing error ------------------------------------------------------------------------ Key: HHH-5576 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5576 Project: Hibernate Core Issue Type: Bug Affects Versions: 3.6.0.CR1 Environment: PostgreSQL 8.4 Reporter: Radosław Smogura An Entity that has Date field, is then searched against value from this field, this causes to throw PSQL error :Caused by: org.postgresql.util.PSQLException: ERROR: operator does not exist: date = bytea Wskazówka: No operator matches the given name and argument type(s). You might need to add explicit type casts. Pozycja: 119 at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2062) at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1795) at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:257) at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:479) at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:367) at org.postgresql.jdbc2.AbstractJdbc2Statement.executeQuery(AbstractJdbc2Statement.java:271) at sun.reflect.GeneratedMethodAccessor256.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.postgresql.ds.jdbc23.AbstractJdbc23PooledConnection$StatementHandler.invoke(AbstractJdbc23PooledConnection.java:455) at $Proxy243.executeQuery(Unknown Source) at com.sun.gjc.spi.jdbc40.PreparedStatementWrapper40.executeQuery(PreparedStatementWrapper40.java:641) at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:208) at org.hibernate.loader.Loader.getResultSet(Loader.java:1953) at org.hibernate.loader.Loader.doQuery(Loader.java:802) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:274) at org.hibernate.loader.Loader.doList(Loader.java:2533) Error is probably caused, because the return type of Date filed is java.sql.Date or java.sql.Timestamp (this last works). I will attach sample application. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.... - For more information on JIRA, see: http://www.atlassian.com/software/jira