Jruby 9000 and cpaybara throws exception

after executing the feature spec, it throws the below exception. right
after executing the line visit login_path the exception raises, but
still spec continues and pass

technical stack

jruby 9000
capybara webkit 1.3.0

Finished in 7.94 seconds (files took 12.13 seconds to load)
1 example, 0 failures

java.nio.channels.AsynchronousCloseException
at
java.nio.channels.spi.AbstractInterruptibleChannel.end(AbstractInterruptibleChannel.java:205)
at sun.nio.ch.SourceChannelImpl.read(SourceChannelImpl.java:173)
at org.jruby.RubyIO.transfer(RubyIO.java:4241)
at org.jruby.RubyIO.copy_stream(RubyIO.java:4136)
at
org.jruby.RubyIO$INVOKER$s$0$2$copy_stream.call(RubyIO$INVOKER$s$0$2$copy_stream.gen)
at
org.jruby.internal.runtime.methods.JavaMethod$JavaMethodN.call(JavaMethod.java:693)
at
org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:273)
at
org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:79)
at
org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:83)
at org.jruby.ir.instructions.CallBase.interpret(CallBase.java:419)
at
org.jruby.ir.interpreter.InterpreterEngine.processCall(InterpreterEngine.java:321)
at
org.jruby.ir.interpreter.StartupInterpreterEngine.interpret(StartupInterpreterEngine.java:77)
at
org.jruby.ir.interpreter.Interpreter.INTERPRET_BLOCK(Interpreter.java:136)
at
org.jruby.runtime.InterpretedIRBlockBody.commonYieldPath(InterpretedIRBlockBody.java:118)
at org.jruby.runtime.IRBlockBody.call(IRBlockBody.java:58)
at org.jruby.runtime.Block.call(Block.java:106)
at org.jruby.RubyProc.call(RubyProc.java:324)
at org.jruby.RubyProc.call(RubyProc.java:239)
at org.jruby.internal.runtime.RubyRunnable.run(RubyRunnable.java:99)
at java.lang.Thread.run(Thread.java:745)