Peter,Thanks for catching this!Dave Cramerdave.cramer(at)credativ(dot)cahttp://www.credativ.caOn 25 February 2015 at 15:23, Peter Eisentraut <peter_e@gmx.net> wrote:I appears to me that the latest jdbc4 driver is compiled with a wrong class file format. unzip -q -c postgresql-9.4-1201.jdbc41.jar org/postgresql/PGStatement.class | od -t x1u1 -N 10 0000000 ca fe ba be 00 00 00 33 00 23 202 254 186 190 0 0 0 51 0 35 The above is OK. unzip -q -c postgresql-9.4-1201.jdbc4.jar org/postgresql/PGStatement.class | od -t x1u1 -N 10 0000000 ca fe ba be 00 00 00 33 00 23 202 254 186 190 0 0 0 51 0 35 That should be "50" instead of "51". As a result, loading this driver with Java 1.6.0 results in java.lang.UnsupportedClassVersionError: org/postgresql/Driver : Unsupported major.minor version 51.0 -- Sent via pgsql-jdbc mailing list (pgsql-jdbc@postgresql.org) To make changes to your subscription:http://www.postgresql.org/mailpref/pgsql-jdbc
I appears to me that the latest jdbc4 driver is compiled with a wrong class file format. unzip -q -c postgresql-9.4-1201.jdbc41.jar org/postgresql/PGStatement.class | od -t x1u1 -N 10 0000000 ca fe ba be 00 00 00 33 00 23 202 254 186 190 0 0 0 51 0 35 The above is OK. unzip -q -c postgresql-9.4-1201.jdbc4.jar org/postgresql/PGStatement.class | od -t x1u1 -N 10 0000000 ca fe ba be 00 00 00 33 00 23 202 254 186 190 0 0 0 51 0 35 That should be "50" instead of "51". As a result, loading this driver with Java 1.6.0 results in java.lang.UnsupportedClassVersionError: org/postgresql/Driver : Unsupported major.minor version 51.0 -- Sent via pgsql-jdbc mailing list (pgsql-jdbc@postgresql.org) To make changes to your subscription:http://www.postgresql.org/mailpref/pgsql-jdbc
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