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List:       postgis-users
Subject:    Re: [postgis-users] Postgis 9.0.1 and JDBC problems.
From:       Knut Aksnes-NOR <Knut.Aksnes () jeppesen ! com>
Date:       2012-08-20 11:29:34
Message-ID: F59EF7AFE040BA41B4CA5F2EFB10F01A01666AD235 () FRAPXCHMBX01 ! corp ! gds ! jeppesen ! com
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Playing around with bytea_output doesn't seem to help :-(

-----Original Message-----
From: postgis-users-bounces@postgis.refractions.net \
                [mailto:postgis-users-bounces@postgis.refractions.net] On Behalf Of \
                Knut Aksnes-NOR
Sent: 20. august 2012 11:59
To: PostGIS Users Discussion
Subject: [postgis-users] Postgis 9.0.1 and JDBC problems.

I am trying to use postgis geography thru Eclipselink using postgres-jdbc and have \
had a few problems at least at least one of them is still holding me up.

First problem is that I had to build the driver myself: I have had no luck in finding \
it in any publically available maven repository. Second problem: PGgeometry is \
broken; More specifically it implements Serializable, but contains a nonserializable \
non transient member: BinaryParser bp = new BinaryParser();

This is easily fixed by changing it to:
transient BinaryParser bp = new BinaryParser();

The third problem is that there seems to be something  wrong related to endianness as \
I get this message when I try to flush my changes to EclipseLink.

Internal Exception: org.postgresql.util.PSQLException: ERROR: Invalid endian flag \
value encountered.

Some extra information:

I do insert postgis dependencies using this piece of code:
	final org.postgresql.PGConnection connection = (PGConnection) ((EntityManagerImpl) \
                em)
				.unwrap(java.sql.Connection.class);
		connection.addDataType("geometry",
				Class.forName("org.postgis.PGgeometry"));
		connection.addDataType("geography",
				Class.forName("org.postgis.PGgeometry"));
		connection.addDataType("box3d", Class.forName("org.postgis.PGbox3d"));

The JPA attribute definition is shown here:

@Basic(optional = true, fetch = LAZY)
@Column(columnDefinition = "GEOGRAPHY(MULTIPOLYGON,4326)", insertable = true, \
updatable = true, nullable = true) private PGgeometry coverageArea;


For postgis I am using the postgis 9.0.1 jdbc4 driver Even inserting nulls seems to \
create this endian flag value exception. \
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