Operating System Configuration Information (be specific):
  OS X EI Capitan Version 10.11. Firefox 41.0.1

Bug Description:

Since upgrading to Java 8, Firefox is experiencing freeze and crash problems.
   1.When first visiting the website applet begins loading, but then hangs.
   2. Kill Firefox and restart, works fine.
   3. When the website timeouts, or we click logout and go back to login page, Firefox displays "The Java plugin has crashed."

In the attached "plugin-container_2015-11-12-090453_MacBook-Pro.crash" file:

Thread 4 Crashed:: Chrome_ChildThread
0 libsystem_kernel.dylib 0x00007fff95aeb0ae __pthread_kill + 10
1 libsystem_pthread.dylib 0x00007fff99573500 pthread_kill + 90
2 libsystem_c.dylib 0x00007fff89d7941b __abort + 145
3 libsystem_c.dylib 0x00007fff89d7938a abort + 144
4 libjvm.dylib 0x000000010c213487 os::abort(bool) + 25
5 libjvm.dylib 0x000000010c3372ce
VMError::report_and_die() + 2304
6 libjvm.dylib 0x000000010c2150b2 JVM_handle_bsd_signal +
1131
7 libjvm.dylib 0x000000010c211317 signalHandler(int,
__siginfo*, void*) + 47
8 libsystem_platform.dylib 0x00007fff8b79f52a _sigtramp + 26
9 ??? 0x0000000104bf690f 0 + 4374620431