I found that when you use Websockets with Tomcat 7.0.42 sometimes thread will become to a deadlock state during websockt write operation.
A detailed discussion can be found here: https://github.com/Atmosphere/atmosphere/issues/1264
- Criticat Bug in Tomcat7.0.42 produces Deadlock (org.ap... Steffi Müller
- Re: Criticat Bug in Tomcat7.0.42 produces Deadloc... Christopher Schultz
