I see similar freezes and 100% cpu usage with the grails codenarc plugin - I see it with both current openjdk 6 and 7. Oracle JDK downloads work without problems.
anders@nacl:~$ java -version java version "1.7.0_25" OpenJDK Runtime Environment (IcedTea 2.3.10) (7u25-2.3.10-1ubuntu0.13.04.2) OpenJDK 64-Bit Server VM (build 23.7-b01, mixed mode) anders@nacl:~$ galternatives anders@nacl:~$ java -version java version "1.6.0_27" OpenJDK Runtime Environment (IcedTea6 1.12.6) (6b27-1.12.6-1ubuntu0.13.04.2) OpenJDK 64-Bit Server VM (build 20.0-b12, mixed mode) (works) anders@nacl:~$ /opt/jdk1.7.0_25/bin/java -version java version "1.7.0_25" Java(TM) SE Runtime Environment (build 1.7.0_25-b15) Java HotSpot(TM) 64-Bit Server VM (build 23.25-b01, mixed mode) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1202707 Title: 100% CPU load and freeze caused by sun.reflect.Reflection.getCallerClass0 with Update 25 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openjdk-7/+bug/1202707/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
