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new a2c96d2 Update Java hello world example with updated instructions
(#437)
a2c96d2 is described below
commit a2c96d2954537c44aa3e4ed6b780af7f4f1dc4f4
Author: Matt Rutkowski <[email protected]>
AuthorDate: Mon Jul 6 22:38:30 2020 -0500
Update Java hello world example with updated instructions (#437)
* Update Java hello world example with updated instructions
* Update Java hello world example with updated instructions
* Update Java hello world example with updated instructions
---
_includes/code/Hello.java | 2 --
_layouts/documentation.html | 49 +++++++++++++++++-----------
images/runtimes/icon-rust-mono.png | Bin 0 -> 17729 bytes
images/runtimes/logo-scala-notext-color.png | Bin 0 -> 47880 bytes
4 files changed, 30 insertions(+), 21 deletions(-)
diff --git a/_includes/code/Hello.java b/_includes/code/Hello.java
index 9801e88..a76cba0 100644
--- a/_includes/code/Hello.java
+++ b/_includes/code/Hello.java
@@ -1,5 +1,3 @@
-package hello;
-
import com.google.gson.JsonObject;
public class Hello {
diff --git a/_layouts/documentation.html b/_layouts/documentation.html
index 6b02d58..848a6b1 100644
--- a/_layouts/documentation.html
+++ b/_layouts/documentation.html
@@ -489,7 +489,7 @@ layout: default
<!-- OpenWhisk CLI -->
<!-- ********************************************************** -->
<a class="indexable" id="wsk-cli"></a>
- <h4>OpenWhisk CLI (wsk)</h4>
+ <h4>OpenWhisk CLI <em>(wsk)</em></h4>
<p>OpenWhisk offers the <code>wsk</code> Command Line Interface
(CLI) to easily create, run, and manage OpenWhisk entities.
</p>
@@ -661,19 +661,18 @@ $ wsk list -v
<!-- Whisk Deploy -->
<!-- ********************************************************** -->
<a class="indexable" id="wskdeploy"></a>
- <h4>Whisk Deploy (wskdeploy)</h4>
+ <h4>Whisk Deploy <em>(wskdeploy)</em></h4>
<p>
<a
href="https://github.com/apache/openwhisk-wskdeploy/blob/master/README.md";>Whisk
Deploy</a>
is a utility, named <em>wskdeploy</em>, to help deploy and
manage all your OpenWhisk Packages, Actions, Triggers, Rules
- and APIs using a single command using an application manifest.
+ and APIs from a single command using an application manifest.
</p>
+ <h5>Whisk deploy in the <em>wsk</em> CLI</h5>
+
<p>
- The functionality of wskdeploy is also embedded as a subcommand
- of wsk in the CLI. You can use the <code>wsk deploy</code>
- subcommand or follow the instructions below on installing the
- wskdeploy utility.
+ The functionality of <em>wskdeploy</em> is also embedded as the
<code>deploy</code> subcommand within the <em>wsk</em> CLI. The functionality
is identical and supports all the same parameters and flags. This means that
you can use the <code>wsk deploy</code> subcommand if you already have the CLI
installed or follow the instructions below on installing the wskdeploy utility
for standalone use.
</p>
<h5>Installing</h5>
@@ -1180,6 +1179,11 @@ $ wsk list -v
</div>
</li>
<li style="list-style-type: decimal">
+ <p>
+ Assure that you have downloaded the JAR file for the imported
`com.google.gson.JsonObject` library (i.e., <a target="_blank"
href="https://mvnrepository.com/artifact/com.google.code.gson/gson/2.8.5";>google-gson-2.8.5.jar</a>
from Maven) to your Java `CLASSPATH`.
+ </p>
+ </li>
+ <li style="list-style-type: decimal">
Compile <i>Hello.Java</i> into a JAR file
<i>hello.jar</i> as follows
<div class="terminal">
@@ -1188,9 +1192,16 @@ $ javac Hello.java
$ jar cvf hello.jar Hello.class
{% endhighlight %}
</div>
+ <div>Please note that the current default JVM for OpenWhisk is
Java 8. If you are using a newer version, you must specify that release version
when you compile:
+ </div>
+ <div class="terminal">
+{% highlight bash %}
+$ javac --release 8 Hello.java
+{% endhighlight %}
+ </div>
</li>
<li style="list-style-type: decimal">
- Create an action called <i>helloJava</i> using <i>hello.jar</i>:
+ Create an action called <i>helloJava</i> using <i>hello.jar</i>
specifying the Java class where the `main` entry point you wish to invoke:
<div class="terminal">
{% highlight bash %}$ wsk action create helloJava hello.jar --main Hello{%
endhighlight %}
</div>
@@ -2548,9 +2559,9 @@ abcd.... locationUpdate
<a class="indexable" id="quick_start"></a>
<h5>Quick Start</h5>
<p>
- The easiest way to start using OpenWhisk is to install the
"Standalone"
- OpenWhisk stack. This is a full-featured OpenWhisk stack running
as a Java process
- for convenience. Serverless functions run within Docker
containers.
+ The easiest way to start using OpenWhisk is to install the
"Standalone"
+ OpenWhisk stack. This is a full-featured OpenWhisk stack running
as a Java process
+ for convenience. Serverless functions run within Docker containers.
You will need <a
href="https://docs.docker.com/installDocker";>Docker</a>,
<a
href="https://java.com/en/download/help/download_options.xml";>Java</a> and
<a href="https://nodejs.org/Node.js";>Node.js</a> available on your
machine.
@@ -2567,16 +2578,16 @@ $ ./gradlew core:standalone:bootRun
</div>
<p>
<ul>
- <li>When the OpenWhisk stack is up, it will open your browser to
a functions Playground,
- typically served from <a
href="http://localhost:3232";>http://localhost:3232</a>.
+ <li>When the OpenWhisk stack is up, it will open your browser to
a functions Playground,
+ typically served from <a
href="http://localhost:3232";>http://localhost:3232</a>.
The Playground allows you create and run functions directly
from your browser.
</li>
<li>To make use of all OpenWhisk features, you will need the
OpenWhisk command line tool
- called wsk which you can download from <a
href="https://s.apache.org/openwhisk-cli-download";>https://s.apache.org/openwhisk-cli-download</a>.
- Please refer to the <a
href="https://github.com/apache/openwhisk/blob/master/docs/cli.md";>CLI
configuration</a> for additional details. Typically you configure the CLI for
+ called wsk which you can download from <a
href="https://s.apache.org/openwhisk-cli-download";>https://s.apache.org/openwhisk-cli-download</a>.
+ Please refer to the <a
href="https://github.com/apache/openwhisk/blob/master/docs/cli.md";>CLI
configuration</a> for additional details. Typically you configure the CLI for
Standalone OpenWhisk as follows:
</li>
- </ul>
+ </ul>
</p>
<div class="terminal">
{% highlight bash %}
@@ -2587,11 +2598,11 @@ wsk property set \
</div>
<p>
<ul>
- <li> Standalone OpenWhisk can be configured to deploy additional
capabilities when
+ <li> Standalone OpenWhisk can be configured to deploy additional
capabilities when
that is desirable. Additional resources are available <a
href="https://github.com/apache/openwhisk/blob/master/core/standalone/README.md";>here</a>.
</li>
- </ul>
- </p>
+ </ul>
+ </p>
</div>
<!-- TODO: add left margin for all these alt. options. -->
<div>
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b/images/runtimes/icon-rust-mono.png
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