IssueTracker

java.lang.IllegalStateException: failed to create a child event loop
    at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:81)
    at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:48)
    at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:57)
    at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:67)
    at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:54)
    at org.jetbrains.io.BuiltInServer.start(BuiltInServer.java:79)
    at com.intellij.idea.SocketLock$2.call(SocketLock.java:133)
    at com.intellij.idea.SocketLock$2.call(SocketLock.java:113)
    at com.intellij.idea.SocketLock.underLocks(SocketLock.java:157)
    at com.intellij.idea.SocketLock.lock(SocketLock.java:113)
    at com.intellij.idea.StartupUtil.lockSystemFolders(StartupUtil.java:263)
    at com.intellij.idea.StartupUtil.prepareAndStart(StartupUtil.java:101)
    at com.intellij.idea.MainImpl.start(MainImpl.java:34)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:601)
    at com.intellij.ide.plugins.PluginManager$2.run(PluginManager.java:91)
    at java.lang.Thread.run(Thread.java:722)
Caused by: io.netty.channel.ChannelException: failed to open a new selector
    at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:127)
    at io.netty.channel.nio.NioEventLoop.<init>(NioEventLoop.java:119)
    at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:97)
    at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:31)
    at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:77)
    ... 18 more
Caused by: java.io.IOException: Unable to establish loopback connection
    at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:125)
    at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:69)
    at java.security.AccessController.doPrivileged(Native Method)
    at sun.nio.ch.PipeImpl.<init>(PipeImpl.java:141)
    at sun.nio.ch.SelectorProviderImpl.openPipe(SelectorProviderImpl.java:50)
    at java.nio.channels.Pipe.open(Pipe.java:150)
    at sun.nio.ch.WindowsSelectorImpl.<init>(WindowsSelectorImpl.java:126)
    at sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:44)
    at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:125)
    ... 22 more
Caused by: java.net.SocketException: Permission denied: connect
    at sun.nio.ch.Net.connect0(Native Method)
    at sun.nio.ch.Net.connect(Net.java:364)
    at sun.nio.ch.Net.connect(Net.java:356)
    at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:623)
    at java.nio.channels.SocketChannel.open(SocketChannel.java:184)
    at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:97)
    ... 30 moreIMPORTANT: Please read http://tools.android.com/filing-bugs carefully and
supply all required information.

(NDK bugs should be filed at https://github.com/android-ndk/ndk/issues
instead.)