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Build ID: 20090621-0832 Steps To Reproduce: 1. Run eclipse with java 1.5 2. Create a JPA project and some Entities 3. Right-click on the JPA project and choose "JPA Tools --> Generate Tables from Entities 4. Error dialog appears 5. Wish that the Mac Cocoa 64 bit version of Eclipse J2EE package was available so you could run Eclipse with Java 1.6 More information: Error dialog says: Could not connect to kbdev. Error creating SQL Model Connection connection to kbdev. (Error: Bad version number in .class file) Bad version number in .class file Error creating PostgreSQL JDBC Connection Factory connection to kbdev. (Error: Bad version number in .class file) Bad version number in .class file
problem was class files in postgres 4 jdbc driver