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[Anders Norgaard <anders.norgaard@xxxxxxxxx>]

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 OpenJDK,
which is subscribed to openjdk-7 in Ubuntu.
https://bugs.launchpad.net/bugs/1202707

Title:
  100% CPU load and freeze caused by
  sun.reflect.Reflection.getCallerClass0 with Update 25

Status in “openjdk-7” package in Ubuntu:
  Incomplete

Bug description:
  I ask for adding previous version of this package back into
  repository, there was no such problem with Update 21.

  Related:
  https://bugzilla.redhat.com/show_bug.cgi?id=976693
  http://jira.codehaus.org/browse/GROOVY-6246

  Example thread dump with issue caused by Apache Log4j 2:
  "main" prio=10 tid=0xb6806800 nid=0x49a runnable [0xb69cc000]
     java.lang.Thread.State: RUNNABLE
          at sun.reflect.Reflection.getCallerClass0(Native Method)
          at sun.reflect.Reflection.getCallerClass(Reflection.java:68)
          at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
          at java.lang.reflect.Method.invoke(Method.java:606)
          at org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.getContext(ClassLoaderContextSelector.java:80)
          at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:74)
          at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:31)
          at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:342)
          at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:301)

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