Ah, here's the problem:
You're using the new Java 7 version. JPCSP still hasn't been fully tested with this new version and may have some problems with it.
Meanwhile, you can always try switching to Java 6 ( Java SE 6 Update 26:
http://www.oracle.com/technetwork/java/j...index.html ) and check if the issue is solved.
Code:
Java version: 1.7.0 (1.7.0-b147)You're using the new Java 7 version. JPCSP still hasn't been fully tested with this new version and may have some problems with it.
Meanwhile, you can always try switching to Java 6 ( Java SE 6 Update 26:
http://www.oracle.com/technetwork/java/j...index.html ) and check if the issue is solved.