does anybody understand  why this keeps happening: "Fast Debugger (ruby-debug-ide 0.7.1.beta3, ruby-debug-base 0.11.0, file filtering is supported) listens on 0.0.0.0:50051
Fatal exception in DebugThread loop: closed stream
Backtrace:
org/jruby/ext/socket/RubyTCPServer.java:157:in `accept'
  from: :1:in `block in '
Exception in thread "Ruby-0-Thread-1: C:/jruby-9.2.9.0/lib/ruby/gems/shared/gems/ruby-debug-ide-0.7.1.beta3/lib/ruby-debug-ide.rb:139" java.lang.NullPointerException
        at org.jruby.internal.runtime.ThreadService.getMainThread(ThreadService.java:232)
        at org.jruby.RubyThread.exceptionRaised(RubyThread.java:1816)
        at org.jruby.internal.runtime.RubyRunnable.run(RubyRunnable.java:112)
        at java.lang.Thread.run(Thread.java:748)"