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* WebClient now throws WebClientException (Connection reset by the host) when channel gets closed after some data has already been flushed by the server. Integration tests updated to verify the new logic. New test needs to run in its own VM. See issue #3377.

* Move publisher failure logic to handler from initializer. Detect abrupt connection drop by noticing that HttpLastContent was not delivered and the ResponseCloser not closed.

* Simplified pom file. Wait for shutdown to complete.

Signed-off-by: Santiago Pericasgeertsen <santiago.pericasgeertsen@oracle.com>
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Helidon: Java Libraries for Microservices

Project Helidon is a set of Java Libraries for writing microservices. Helidon supports two programming models:

  • Helidon MP: MicroProfile 3.3
  • Helidon SE: a small, functional style API

In either case your application is just a Java SE program.

License

Helidon is available under Apache License 2.0.

Documentation

Latest documentation and javadocs are available at https://helidon.io/docs/latest.

Get Started

See Getting Started at https://helidon.io.

Downloads / Accessing Binaries

There are no Helidon downloads. Just use our Maven releases (GroupID io.helidon). See Getting Started at https://helidon.io.

Helidon CLI

MacOS:

curl -O https://helidon.io/cli/latest/darwin/helidon
chmod +x ./helidon
sudo mv ./helidon /usr/local/bin/

Linux:

curl -O https://helidon.io/cli/latest/linux/helidon
chmod +x ./helidon
sudo mv ./helidon /usr/local/bin/

Windows:

PowerShell -Command Invoke-WebRequest -Uri "https://helidon.io/cli/latest/windows/helidon.exe" -OutFile "C:\Windows\system32\helidon.exe"

See this document for more info.

Build

You need JDK 11+ to build Helidon.

You also need Maven. We recommend 3.5 or newer.

Building the documentation requires the dot utility from Graphviz. This is included in many Linux distributions. For other platforms see https://www.graphviz.org/.

Full build

$ mvn install

Checkstyle

# Cd to the component you want to check
$ mvn validate  -Pcheckstyle

Copyright

# Cd to the component you want to check
$ mvn validate  -Pcopyright

Spotbugs

# Cd to the component you want to check
$ mvn verify  -Pspotbugs

Build Scripts

Build scripts are located in etc/scripts. These are primarily used by our pipeline, but a couple are handy to use on your desktop to verify your changes.

  • copyright.sh: Run a full copyright check
  • checkstyle.sh: Run a full style check

Get Help

Get Involved

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