我在Ubuntu 14.04 LTS中获得了最新版本的typesafe激活器.我也有最新版本的Scala / SBT等.

当我启动Active Stocks应用程序时,我收到以下错误java.io.IOException：达到了inotify监视的用户限制.我不知道这是什么……

bravegag@zeus:~/code/activestocks$./activator
[info] Loading project definition from /home/bravegag/code/activestocks/project
[info] Set current project to reactive-stocks (in build file:/home/bravegag/code/activestocks/)
[reactive-stocks] $~run

java.io.IOException: User limit of inotify watches reached
    at sun.nio.fs.LinuxWatchService$Poller.implRegister(LinuxWatchService.java:261)
    at sun.nio.fs.AbstractPoller.processRequests(AbstractPoller.java:260)
    at sun.nio.fs.LinuxWatchService$Poller.run(LinuxWatchService.java:326)
    at java.lang.Thread.run(Thread.java:745)
[trace] Stack trace suppressed: run last compile:run for the full output.
[error] (compile:run) java.lang.reflect.InvocationTargetException
[error] Total time: 0 s,completed Nov 29,2014 4:57:15 PM
1. Waiting for source changes... (press enter to interrupt)

检查操作系统限制我看到：

bravegag@zeus:~$cat /proc/sys/fs/inotify/max_user_instances
128
bravegag@zeus:~$cat /proc/sys/fs/inotify/max_user_watches
8192