weblogic
,"weblogic.kernel.Default"是从客户端提交请求后产生的线程所在的队列名。这个队列的线程数默认是15个。如果超过15个线程堵塞,则部署的应用将不能访问。同时后台报:
<2008-2-27 下午09时37分48秒 CST> <ExecuteThread: ‘14’ for queue: ‘weblogic.kernel.Default’ has been busy for “1,720” seconds working on the request “Http Request: /myapp/test/index.jsp”, which is more than the configured time (StuckThreadMaxTime) of “600” seconds.>2,线程数(Tread Count):指派到weblogic.kernel.Default队列的线程数。如果你不需要使用超过15个线程(默认),就不必更改这个属性值。 如果发送该请求较多,很有可能会导致weblogic的线程阻塞,严重会引起weblogic挂起现象。 11可以通过以下几种方法解决:1)修改StuckThreadMaxTime参数,将默认的600s改成1200s,或者其它适合的值。2)增大线程数,防止线程阻塞问题。3)优化程序,减少处理时间。如何修改weblogic的weblogic.kernel.Default参数(最大线程数)weblogic.kernel.default其实是一个WebLogic的核心参数,设置的值就是WebLogic用来响应客户端请求的线程数量。也就是说,一个用户登陆应用系统进行某操作,则WebLogic将从weblogic.kernel.default中分配一个线程给该用户。默认情况下,这个参数值是40。比如对大的企业应用,同一时间登陆操作系统的用户非常多,则40个线程就显得太少了。同时,如果你的应用程序设计得不好,造成很多操作速度非常慢,因为WebLogic要等待你一个操作完成之后,才进行线程的回收处理,如果同一时间有很多线程在执行非常慢的操作,这也会引起线程数量不够的问题。具体的表现就是在WebLogic的控制台的myserver中的Monitoring页面下的Performance页面中
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