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Matthew Miller d36a2a65e1 HTTP/2: Prevent memory leak when trying to create new streams on a connection that received a GOAWAY. (#9674) 
Motivation:

In https://github.com/netty/netty/issues/8692, `Http2FrameCodec` was
updated to keep track of all "being initialized" streams, allocating
memory before initialization begins, and releasing memory after
initialization completes successfully.

In some instances where stream initialization fails (e.g. because this
connection has received a GOAWAY frame), this memory is never released.

Modifications:

This change updates the `Http2FrameCodec` to use a separate promise
for monitoring the success of sending HTTP2 headers. When sending of
headers fails, we now make sure to release memory allocated for stream
initialization.

Result:

After this change, failures in writing HTTP2 Headers (e.g. because this
connection has received a GOAWAY frame) will no longer leak memory.
2019-10-16 19:42:35 -07:00
.github
Change the netty.io homepage scheme(http -> https) (#9344)
2019-07-09 21:10:14 +02:00
.mvn
support publishing snapshots from docker based ci (#8634)
2018-12-07 06:16:39 +01:00
all
Include native-image properties in the netty-all jar (#9518)
2019-08-28 08:09:14 +02:00
bom
Change the netty.io homepage scheme(http -> https) (#9344)
2019-07-09 21:10:14 +02:00
buffer
Fix for incorrect values from CompositeByteBuf#component(int) (#9525)
2019-09-02 13:52:47 +02:00
codec
Eliminate unnessary copy of ByteBuf on ByteToMessageDecoder removal (#9662)
2019-10-16 06:48:20 -07:00
codec-dns
Detect truncated responses caused by EDNS0 and MTU miss-match (#9468)
2019-08-17 09:58:40 +02:00
codec-haproxy
Fix typos in javadocs (#9527)
2019-10-09 15:25:41 +02:00
codec-http
[DOC] Add CWE-113 warning to DefaultHttpHeaders constructor (#9646)
2019-10-10 20:47:50 +02:00
codec-http2
HTTP/2: Prevent memory leak when trying to create new streams on a connection that received a GOAWAY. (#9674)
2019-10-16 19:42:35 -07:00
codec-memcache
codec-memcache: copy metadata in binary full request response (#9160)
2019-05-22 11:06:16 +02:00
codec-mqtt
MqttConnectPayload.toString() should use Arrays.toString() instead of [].toString() (#9292)
2019-06-27 21:55:28 +02:00
codec-redis
migrate java8: use requireNonNull (#8840)
2019-02-04 10:32:25 +01:00
codec-smtp
SmtpRequestEncoderTest ByteBuf leak (#9075)
2019-04-19 08:47:28 +02:00
codec-socks
FIX : Unpacking causes socks5proxy init failure (#9582)
2019-09-20 10:17:13 +02:00
codec-stomp
use checkPositive/checkPositiveOrZero (#8835)
2019-02-04 15:55:07 +01:00
codec-xml
Change the netty.io homepage scheme(http -> https) (#9344)
2019-07-09 21:10:14 +02:00
common
Fix event loop shutdown timing fragility (#9639)
2019-10-08 12:00:59 +04:00
dev-tools
Update version number to start working on Netty 5
2018-11-20 15:49:57 +01:00
docker
Use adopt@1.13.0-0 when building with Java 13 (#9641)
2019-10-09 15:11:36 +02:00
example
Fix typos in javadocs (#9527)
2019-10-09 15:25:41 +02:00
handler
Remove usage of AtomicIntegerFieldUpdater in ReferenceCountedOpenSslE… (#9653)
2019-10-13 11:03:08 +02:00
handler-proxy
Remove code that accounts for changing EventExecutors in DefaultPromise (#8996)
2019-04-03 10:36:55 +02:00
license
Use Table lookup for HPACK decoder (#9307)
2019-07-02 20:13:19 +02:00
microbench
Fix typos in javadocs (#9527)
2019-10-09 15:25:41 +02:00
resolver
Close delegate resolver from RoundRobinInetAddressResolver (#9214)
2019-06-04 05:14:28 -07:00
resolver-dns
Fix DnsNameResolver TCP fallback test and message leaks (#9647)
2019-10-14 16:34:18 +02:00
tarball
Update version number to start working on Netty 5
2018-11-20 15:49:57 +01:00
testsuite
Fix event loop shutdown timing fragility (#9639)
2019-10-08 12:00:59 +04:00
testsuite-autobahn
Use allocator when constructing ByteBufHolder sub-types or use Unpool… (#9377)
2019-07-18 10:36:03 +02:00
testsuite-http2
Fix typos in javadocs (#9527)
2019-10-09 15:25:41 +02:00
testsuite-native-image
remove unused imports (#9287)
2019-06-26 21:16:16 +02:00
testsuite-osgi
Adjust testsuite-osgi to resolve bundles from local build (#8944)
2019-03-18 09:56:08 +01:00
testsuite-shading
Allow to build on powerpc
2019-09-13 22:21:36 +02:00
transport
Fix event loop shutdown timing fragility (#9639)
2019-10-08 12:00:59 +04:00
transport-native-epoll
Fix event loop shutdown timing fragility (#9639)
2019-10-08 12:00:59 +04:00
transport-native-kqueue
Fix event loop shutdown timing fragility (#9639)
2019-10-08 12:00:59 +04:00
transport-native-unix-common
Enable Netty on a big endian platform
2019-09-27 12:26:31 +02:00
transport-native-unix-common-tests
Merge ChannelInboundHandler and ChannelOutboundHandler into ChannelHa… (#8957)
2019-03-28 09:28:27 +00:00
transport-sctp
Deprecate ChannelInboundHandlerAdapter and ChannelOutboundHandlerAdapter (#8929)
2019-03-13 09:46:10 +01:00
.fbprefs
Updated Find Bugs configuration
2009-03-04 10:33:09 +00:00
.gitattributes
Include mvn wrapper to make setup of development env easier
2018-01-26 08:13:17 +01:00
.gitignore
Add vscode specific files / directory to .gitignore (#9652)
2019-10-10 07:35:34 +02:00
CONTRIBUTING.md
Change the netty.io homepage scheme(http -> https) (#9344)
2019-07-09 21:10:14 +02:00
LICENSE.txt
Relicensed to Apache License v2
2009-08-28 07:15:49 +00:00
mvnw
Include mvn wrapper to make setup of development env easier
2018-01-26 08:13:17 +01:00
mvnw.cmd
Include mvn wrapper to make setup of development env easier
2018-01-26 08:13:17 +01:00
NOTICE.txt
Change the netty.io homepage scheme(http -> https) (#9344)
2019-07-09 21:10:14 +02:00
pom.xml
Cleanup animal sniffer filter list
2019-10-14 16:25:15 +02:00
README.md
Change the netty.io homepage scheme(http -> https) (#9344)
2019-07-09 21:10:14 +02:00
run-example.sh
Drop SPDY support (#8845)
2019-02-07 09:25:31 +01:00

README.md

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:

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.

Usage with JDK 9

Netty can be used in modular JDK9 applications as a collection of automatic modules. The module names follow the reverse-DNS style, and are derived from subproject names rather than root packages due to historical reasons. They are listed below:

  • io.netty.all
  • io.netty.buffer
  • io.netty.codec
  • io.netty.codec.dns
  • io.netty.codec.haproxy
  • io.netty.codec.http
  • io.netty.codec.http2
  • io.netty.codec.memcache
  • io.netty.codec.mqtt
  • io.netty.codec.redis
  • io.netty.codec.smtp
  • io.netty.codec.socks
  • io.netty.codec.stomp
  • io.netty.codec.xml
  • io.netty.common
  • io.netty.handler
  • io.netty.handler.proxy
  • io.netty.resolver
  • io.netty.resolver.dns
  • io.netty.transport
  • io.netty.transport.epoll (native omitted - reserved keyword in Java)
  • io.netty.transport.kqueue (native omitted - reserved keyword in Java)
  • io.netty.transport.unix.common (native omitted - reserved keyword in Java)
  • io.netty.transport.rxtx
  • io.netty.transport.sctp
  • io.netty.transport.udt

Automatic modules do not provide any means to declare dependencies, so you need to list each used module separately in your module-info file.

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