Stack track explosion when attempting to read from a yet-to-be-accepted server
socket
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Key: JRUBY-3369
URL: http://jira.codehaus.org/browse/JRUBY-3369
Project: JRuby
Issue Type: Bug
Components: Core Classes/Modules
Affects Versions: JRuby 1.1.6
Reporter: Sam Aaron
Priority: Trivial
The following recipe will spew out the subsequent stack trace
require 'thread'
require 'socket'
s = TCPServer.new('localhost', 1111)
st = Thread.new(s) do |sock|
puts sock.gets
end
Exception in thread "Thread-2" java.lang.ClassCastException:
sun.nio.ch.ServerSocketChannelImpl cannot be cast to
java.nio.channels.ReadableByteChannel
at org.jruby.util.io.ChannelStream.refillBuffer(ChannelStream.java:189)
at org.jruby.util.io.ChannelStream.getline(ChannelStream.java:316)
at org.jruby.RubyIO.getlineFast(RubyIO.java:750)
at org.jruby.RubyIO.getline(RubyIO.java:629)
at org.jruby.RubyIO.gets(RubyIO.java:1795)
at
org.jruby.RubyIO$i_method_0_1$RUBYINVOKER$gets.call(org/jruby/RubyIO$i_method_0_1$RUBYINVOKER$gets.gen)
at
org.jruby.internal.runtime.methods.JavaMethod$JavaMethodNoBlock.call(JavaMethod.java:62)
at
org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:226)
at
org.jruby.internal.runtime.methods.DynamicMethod.call(DynamicMethod.java:203)
at
org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:260)
at
org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:75)
at org.jruby.ast.CallNoArgNode.interpret(CallNoArgNode.java:61)
at org.jruby.ast.FCallOneArgNode.interpret(FCallOneArgNode.java:36)
at org.jruby.ast.NewlineNode.interpret(NewlineNode.java:101)
at
org.jruby.runtime.InterpretedBlock.evalBlockBody(InterpretedBlock.java:202)
at org.jruby.runtime.InterpretedBlock.yield(InterpretedBlock.java:190)
at org.jruby.runtime.BlockBody.call(BlockBody.java:64)
at org.jruby.runtime.BlockBody.call(BlockBody.java:70)
at org.jruby.runtime.Block.call(Block.java:116)
at org.jruby.RubyProc.call(RubyProc.java:205)
at org.jruby.RubyProc.call(RubyProc.java:187)
at org.jruby.internal.runtime.RubyRunnable.run(RubyRunnable.java:90)
at java.lang.Thread.run(Thread.java:619)
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