Re: Possible bug / regression from generated keys

I don't think a mountain of data is required for this one.
The ByteConverter class does not exist for the 9.1-902 so
was introduced later and is in 9.2-100X. Since git holds
no history I can not determine introduction, but a search
of this mailing list would perhaps lead to the reason for
the change.

What I can say is it looks like the column is binary. I
could compile the source for 9.2-1001 with output that
may tell you perhaps more information. I suspect though
someone here is more familiar with the change to understand
the problem. I would say this behavior is undesirable and
could be classified as a bug.

danap.

Peter Cooner wrote:
> Summary:
> I'm getting an exception from the ResultSet returned from
> getGeneratedKey() from a batch insert PreparedStatement. When I use
> any of the postgresql-9.2-100X.jdbc4.jar drivers I get exceptions, but
> when I use postgresql-9.1-902.jdbc4.jar it works.
>
> Has anyone seen anything like this? How can I debug this problem
> further? How should I go about determining if this is a bug?
>
> Exception:
> java.lang.ArrayIndexOutOfBoundsException: 4
> at org.postgresql.util.ByteConverter.int8(ByteConverter.java:29)
> at
org.postgresql.jdbc2.AbstractJdbc2ResultSet.getLong(AbstractJdbc2ResultSet.java:2150)
> at
org.postgresql.jdbc2.AbstractJdbc2ResultSet.internalGetObject(AbstractJdbc2ResultSet.java:142)
> at
org.postgresql.jdbc3.AbstractJdbc3ResultSet.internalGetObject(AbstractJdbc3ResultSet.java:36)
> at
org.postgresql.jdbc4.AbstractJdbc4ResultSet.internalGetObject(AbstractJdbc4ResultSet.java:296)
> at
org.postgresql.jdbc2.AbstractJdbc2ResultSet.getObject(AbstractJdbc2ResultSet.java:2703)
> ...
>
> Usually followed later by this exception:
> org.postgresql.util.PSQLException: Bad value for type long : ,
> at
org.postgresql.jdbc2.AbstractJdbc2ResultSet.toLong(AbstractJdbc2ResultSet.java:2971)
> at
org.postgresql.jdbc2.AbstractJdbc2ResultSet.getLong(AbstractJdbc2ResultSet.java:2163)
> at
org.postgresql.jdbc2.AbstractJdbc2ResultSet.internalGetObject(AbstractJdbc2ResultSet.java:142)
> at
org.postgresql.jdbc3.AbstractJdbc3ResultSet.internalGetObject(AbstractJdbc3ResultSet.java:36)
> at
org.postgresql.jdbc4.AbstractJdbc4ResultSet.internalGetObject(AbstractJdbc4ResultSet.java:296)
> at
org.postgresql.jdbc2.AbstractJdbc2ResultSet.getObject(AbstractJdbc2ResultSet.java:2703)
> ...
>
> Setup:
> OS: Ubuntu 10.04
> PG: 9.2
> JDBC: postgresql-9.2-1001.jdbc4.jar
>
> I'm also using PostGIS 2.0.1 jar, Apache Commons DBUtils, and DBCP.
>
> I *believe* that it must have something to do with concurrent database
> connections or connection reuse, but I haven't been successful at
> creating a test case, despite trying for several days now.
>
> Suggestions? I've got a mountain of data - if anyone needs more details.