Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

  1. ,

    Normally, the connection to an HTTP server is closed after each response. Change the network connection and make sure the network is stable when making the request. When the server closes such a connection the client usually reopens it again.

Solutions on the web

via Mojang JIRA by niklkall, 1 year ago
failed to create a child event loop
via Mojang JIRA by niklkall, 2 years ago
failed to create a child event loop
java.lang.IllegalStateException: failed to create a child event loop at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>( at<init>( at<init>( at<init>( at lm$1.a(SourceFile:44) at lm$1.b(SourceFile:41) at np.c(SourceFile:10) at lm.a(SourceFile:121) at avf.a(SourceFile:1941) at axw.i(SourceFile:172) at axw$a.a(SourceFile:224) at awj.p(SourceFile:315) at axw.k(SourceFile:82) at axv.p(SourceFile:390) at avf.s(SourceFile:1497) at avf.av(SourceFile:888) at avf.a(SourceFile:325) at net.minecraft.client.main.Main.main(SourceFile:124)Caused by: failed to open a new selector at at<init>( at at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>( ... 17 moreCaused by: Unable to establish loopback connection at$ at$ at Method) at<init>( at at at<init>( at at ... 20 moreCaused by: Μια υπάρχουσα σύνδεση διακόπηκε υποχρεωτικά από τον απομακρυσμένο υπολογιστή at Method) at at at at at$Initializer$ at$ ... 28 more