Netty 4.0.46.Final和4.1.10.Final发布

Netty 4.0.46.Final 和 4.1.10.Final 发布了，这些版本包含错误修复，性能增强和一些新功能，建议升级。Netty 4.0.46.Final 和 4.1.10.Final 有如下重要的更新：

• NetUtil IPv6 bugs related to IPv4 and compression (#6613)

• Enable configuring available processors (#6224)

• Add support for SNIMatcher when using SslProvider.OPENSSL* and Java8+ (#6534)

• Fix buffer leak in local transport when a close triggers the close of a remote peer and there are still messages in the inbound buffer. (#6650)

• Fix IllegalArgumentException when release a wrapped ByteBuffer on Java9 (#6644)

• VoidChannelPromise not notified when exception is thrown. (#6634)

• Correctly handle read-only ByteBuf in ByteToMessageDecoder (#6639)

• Allow to free direct buffers on java9 again (#6568)

• NioEventLoop#rebuildSelector0 throws ClassCastException (#6608)

• Fix OpenSslCertificateException error code validation (#6581)

• Limit the maximum size of the allocated outbound buffer to MAX_ENCRYPTED_PACKET_LENGTH (#6569)

• Allow negative memoryAddress when calling PlatformDependent0.newDirectBuffer(...) (#6575)

• Recognizing TLS Extension "HeartBeat" as Valid TLS Packet (#6529)

仅属于 4.1.10.Final 的重要更新：

• Notify connect promise of ProxyHandler after codecs are removed (#6672)

• Ability to extend SniHandler and configure it with arbitrary runtime data (#6623)

• Do not throw ClassCastException when rule subnet version doesn't match remote IP version (#6658)

• Fix HTTP/2 dependency tree corruption (#6654)

• Avoid infinite loop in HTTP/2 distributor toString() (#6655)

• Use jndi-dns to obtain default name servers (#6590)

• netty-codec: Manage read-flow explicitly in MessageAggregator (#6604)

• Accept two ways to start HTTP/2 over clear text(version 2) (#6496)

4.0.46.Final 和 4.1.10.Final 的详细更新日志

发布主页和下载地址

Netty是一个 Java 的开源高性能网络应用框架框架。Netty提供异步的、事件驱动的网络应用程序框架和工具，用以快速开发高性能、高可靠性的网络服务器和客户端程序。

也就是说，Netty 是一个基于NIO的客户、服务器端编程框架，使用Netty 可以确保你快速和简单的开发出一个网络应用，例如实现了某种协议的客户，服务端应用。Netty相当简化和流线化了网络应用的编程开发过程，例如，TCP和UDP的socket服务开发。