Migrate Hyperon applications from 1.X.X to 2.X.X guide

This is wise to upgrade Hyperon (the Studio and Runtime) for a newer version as we are repairing bugs and adding new features, so let's check how to do it in a few short steps.

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IMPORTANT:

• As far hyperon-studio and hyperon-runtime are separate applications we truly recommend running them the same version.
• Hyperon Studio MUST BE STARTED FIRST! Why? Hyperon Studio is managing the Database Schema! And there is A MUST, to run a Hyperon Studio before Hyperon Runtime
• If you are lower than 1.20.x version we recomend to upgrade to the latest version in 1.x line (for instance: 1.21.8) firstly. You can do this following this instructions.

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MAJOR CHANGES:

• use java 11 as the minimal runtime environment
• change properties names so please check your property source if it needs a change    

1. Bump the hyperon-studio application

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1.1 Download new Studio

The first step you should do is to head for new applications here. After filling the form, you will get mail with a link to your download page. Search for version 2.x.x.

Depending on your needs, download the file/files (probably you use a war file with your tomcat)

1.2 Shut down a Hyperon Studio

Turn off Hyperon Studio. You probably want to stop all running applications which are using hyperon-runtime, because we need to modify its database schema.

1.3 Remember to create a database backup!

Due to the fact, there might occur database updates, it would be very helpful if you prepare a hyperon's database backup.

1.4 Upgrade java to 11 version

Hyperon Studio 2.x.x is using Java 11 to run (the minimal version).
You should upgrade the java version in your application container

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1.5 Check out new properties

In a Hyperon Studio 2.x.x there were a lot of changes with properties.

Take a look at your property source (by default: {your_tomcat_dir}/conf/application.properties) and change them according to the this table.

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1.6 Switch war files at your tomcat webapps directory

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1.7 Start the hyperon-studio

If everything went well (and it should!) it's time to start the Hyperon Studio!
After starting you should be able to see a standard Hyperon Studio login page (by default: https://{serverUrl}/hyperon/app).

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2. Bump the hyperon-runtime in your applications

To do that you should perform only two steps:

• Hyperon-Runtime is available at Maven Central repositories, so the easiest way to bump its version is to change a version number at your building script (pom.xml, build.gralde, etc). Here is a place where you can find our artifacts.
• Check out the new properties. In a Hyperon Runtime 2.x.x there were a lot of changes with properties. Take a look at the property source of your application (where you defined hyperon database connection) and change them according to the table

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That's all! Now you can run your application with a brand new hyperon-runtime version.

Remember, You must bump hyperon-studio firstly.