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

Solutions on the web

via Google Groups by Saith, 1 year ago
Channel closed before HTTP/2 preface completed.
via GitHub by neyron91
, 1 year ago
Channel closed before HTTP/2 preface completed.
via Google Groups by onroad, 1 year ago
Channel closed before HTTP/2 preface completed.
via Google Groups by Petar Petrov, 3 days ago
Channel closed before HTTP/2 preface completed.
java.lang.IllegalStateException: Channel closed before HTTP/2 preface completed. at com.relayrides.pushy.apns.ApnsClient$3.operationComplete(ApnsClient.java:467) at com.relayrides.pushy.apns.ApnsClient$3.operationComplete(ApnsClient.java:459) at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:507) at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:481) at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:420) at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:104) at io.netty.channel.DefaultChannelPromise.trySuccess(DefaultChannelPromise.java:82) at io.netty.channel.AbstractChannel$CloseFuture.setClosed(AbstractChannel.java:1058) at io.netty.channel.AbstractChannel$AbstractUnsafe.doClose0(AbstractChannel.java:686) at io.netty.channel.AbstractChannel$AbstractUnsafe.close(AbstractChannel.java:664) at io.netty.channel.AbstractChannel$AbstractUnsafe.close(AbstractChannel.java:607) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.closeOnRead(AbstractNioByteChannel.java:85) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:142) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:624) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:559) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:476) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:438) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144) at java.lang.Thread.run(Thread.java:745)