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Motivation: If while iterating the active streams a close operation occurs this will be queued and process after the iteration has completed to avoid a concurrent modification exception. However it is possible that during the iteration the stream which was closed could have been removed from the priority tree and its parent would be set to null. Then after the iteration completes the close operation will attempt to dereference the parent and results in a NPE. Modifications: - pending close operations should verify the stream's parent is not null before processing the event Result: No More NPE.
Netty Project
Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients.
Links
How to build
For the detailed information about building and developing Netty, please visit the developer guide. This page only gives very basic information.
You require the following to build Netty:
- Latest stable Oracle JDK 7
- Latest stable Apache Maven
- If you are on Linux, you need additional development packages installed on your system, because you'll build the native transport.
Note that this is build-time requirement. JDK 5 (for 3.x) or 6 (for 4.0+) is enough to run your Netty-based application.
Branches to look
Development of all versions takes place in each branch whose name is identical to <majorVersion>.<minorVersion>. For example, the development of 3.9 and 4.0 resides in the branch '3.9' and the branch '4.0' respectively.