[Solved] Android Studio Error after updating to Android 4.1 – Solving Android Studio Errors | คู่มือการเขียนโปรแกรม ที่เว็บไซต์

llij.ide.plugins.PluginManager – java.lang.IllegalStateException: failed to create a child event loop java.util.concurrent.CompletionException: java.lang.IllegalStateException: failed to create a child event loop at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:314) at java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:319) at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1702) at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.exec(CompletableFuture.java:1692) at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290) at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1020) at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1656) at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1594) at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183) Caused by: java.lang.IllegalStateException: failed to create a child event loop at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:88) at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:58) at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:47) at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:59) at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:86) at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:81) at org.jetbrains.io.BuiltInServerKt.multiThreadEventLoopGroup(BuiltInServer.kt:158) at org.jetbrains.io.BuiltInServerKt.access$multiThreadEventLoopGroup(BuiltInServer.kt:1) at org.jetbrains.io.BuiltInServer$Companion.start(BuiltInServer.kt:58) at com.intellij.idea.SocketLock.lambda$lockAndTryActivate$2(SocketLock.java:168) at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1700) … 6 more Caused by: io.netty.channel.ChannelException: failed to open a new selector at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:175) at io.netty.channel.nio.NioEventLoop.<init>(NioEventLoop.java:142) at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:146) at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:37) at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:84) … 16 more Caused by: java.io.IOException: Unable to establish loopback connection at java.base/sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:94) at java.base/sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:61) at java.base/java.security.AccessController.doPrivileged(Native Method) at java.base/sun.nio.ch.PipeImpl.<init>(PipeImpl.java:171) at java.base/sun.nio.ch.SelectorProviderImpl.openPipe(SelectorProviderImpl.java:50) at java.base/java.nio.channels.Pipe.open(Pipe.java:155) at java.base/sun.nio.ch.WindowsSelectorImpl.<init>(WindowsSelectorImpl.java:142) at java.base/sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:44) at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:173) … 20 more Caused by: java.net.ConnectException: Connection timed out: connect at java.base/sun.nio.ch.Net.connect0(Native Method) at java.base/sun.nio.ch.Net.connect(Net.java:476) at java.base/sun.nio.ch.Net.connect(Net.java:468) at java.base/sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:692) at java.base/java.nio.channels.SocketChannel.open(SocketChannel.java:194) at java.base/sun.nio.ch.PipeImpl$Initializer$LoopbackConnector.run(PipeImpl.java:127) at java.base/sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:76)
This the complete error for intellij idea.
Can you help me out.
This same error occurs for android studio also

how to fix this java.lang.IllegalStateException:failed to create a child event loop err

Google option doesn't exist, what can I do?

I can't find google folder in Roaming, can you please help me

I am getting the same kind of error "Start Failed"

with an error message:
Internal error. Please refer to https://code.google.com/p/android/issues

java.lang.ClassNotFoundException: com.intellij.ide.plugins.MainRunner

but this solution doesn't seem to help, if possible can I have an alternate solution

I have done step by step as you done. But I can't find Google folder under roaming. Help me pls.

if the first option doesnt work also try to delete android folder in "local"

thanks very much

Hi I am facing problems please help me out

many thanks, it's worked

This was a life saver. A sub for that

Garbage has now gone to shit.

after installing error message (0xc000007b) appear and i tried every thing but error apear again please help me

THANK YOU THANK YOUU VERY MUCH !!!!

FAILURE: Build failed with an exception.

* What went wrong:

Could not determine the dependencies of task ':app:compileDebugJavaWithJavac'.

> Failed to find Build Tools revision 28.0.3

* Try:

Run with –stacktrace option to get the stack trace. Run with –info or –debug option to get more log output. Run with –scan to get full insights.

* Get more help at https://help.gradle.org

BUILD FAILED in 1m 24s

Exception: Gradle task assembleDebug failed with exit code 1

not solved same error occur after reinstallation