Ubuntu10.04.

Ubuntu10.04. -- Linux general technology-Linux technology and application information. For details, refer to the following section. When I use the player that comes with the system to play music and movies, there is always "pa_stream_writable_size () failed: Connection terminated". Who can help me solve this problem.
I installed myeclipse8.0. Tomcat cannot be found when tomcat is set. I set it in the same way as I set it in win. Pointed to the tomcat6 folder. The java path under jdk is out of control. I would like to thank you for giving me a detailed tutorial. I am a beginner. Thank you.