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

java.lang.NoClassDefFoundError: io/netty/handler/ssl/SslContextBuilder at org.asynchttpclient.netty.ssl.DefaultSslEngineFactory.buildSslContext(DefaultSslEngineFactory.java:35) at org.asynchttpclient.netty.ssl.DefaultSslEngineFactory.init(DefaultSslEngineFactory.java:56) at org.asynchttpclient.netty.channel.ChannelManager.<init>(ChannelManager.java:116) at org.asynchttpclient.DefaultAsyncHttpClient.<init>(DefaultAsyncHttpClient.java:81)