Exception in thread "http-bio-23230-exec-609" java.lang.OutOfMemoryError: unable to create new nativ

 今天公司123上服务器上的项目都打不开了。看后台报错：

  Exception in thread "http-bio-23230-exec-609" java.lang.OutOfMemoryError: unable to create new native thread
at java.lang.Thread.start0(Native Method)
at java.lang.Thread.start(Thread.java:714)
at java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:949)
at java.util.concurrent.ThreadPoolExecutor.processWorkerExit(ThreadPoolExecutor.java:1017)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1163)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:6   

linux下用户线程超了，不能够创建新的线程。

   查看线程命令： ulimit -u       

  max user processes   7000.

组长修改了线程数。重启登录下linux.

项目重启恢复访问。