The following bug has been logged online:
Bug reference: 6105
Logged by: Jon C.
Email address: camilleri(dot)jon(at)gmail(dot)com
PostgreSQL version: 9
Operating system: WinXP SP3
Description: Failed to load Main-Class manifest attribute
Details:
The following is displayed on the command line when I try to load the jar
files within C:\Program Files\PostgreSQL\pgJDBC:
java -jar postgresql-8.4-702.jdbc3.jar
Failed to load Main-Class manifest attribute from
postgresql-8.4-702.jdbc3.jar
java -jar postgresql-8.4-702.jdbc4.jar
Failed to load Main-Class manifest attribute from
postgresql-8.4-702.jdbc4.jar