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MySQL is the database software most people use for the OpenMRS Platform database. You should know your MySQL root password, or have a database ready with username and password to install the OpenMRS Platform into. The latest version of openMRS core supports mysql 5.7OpenMRS Core supports MySQL 8.

Older versions of platforms need MySQL 5.6

For Linux (especially  Ubuntu 20.04) follow these steps to install MySQL 5.6

• Download the MySQL Community Server DEB Bundle from here. Select 5.6.* as Product Version, Debian Linux as Operating System and then download the 32-bit or 64-bit DEB Bundle as per the system’s requirement.
  It basically contains individual packages like mysql-common, mysql-community-client, mysql-client, mysql-community-server, etc.
• Install the packages individually using dpkg -i <package-name>.deb.
• Note that it will be required to go in a certain order for installing the packages, which could be found out by trial-and-error (see the error messages if any for the other package’s requirement).
• In case there is some error for missing dependencies, run sudo apt-get install -f.

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This order of installation works for Ubuntu 20.04.Install the .deb packages in the following order:

sudo dpkg -i mysql-common_5.6.47-1debian9_amd64.deb 
sudo dpkg -i mysql-community-client_5.6.47-1debian9_amd64.deb 
sudo dpkg -i mysql-client_5.6.47-1debian9_amd64.deb 
sudo dpkg -i mysql-community-server_5.6.47-1debian9_amd64.deb

You might also need to install libaio1 package. Use this command :

sudo apt-get install libaio1

If you see errors, Re run the following commands :

sudo dpkg -i mysql-common_5.6.47-1debian9_amd64.deb
sudo dpkg -i mysql-community-client_5.6.47-1debian9_amd64.deb

If you get some errors about missing dependencies, Run sudo apt-get install -f.

That’s it, MySQL 5.6 will be installed successfully!

Install And Configure Your IDE

Refer to the How-To Setup And Use Your IDE to either install an IDE or configure the one you have for OpenMRS development.

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For specific instructions for using Egit and Maven tools you have installed above, see Git IDE Integration.

If you are contributing to the OpenMRS Platform code base, you want to check out "openmrs-core". If you want to contribute to a module, you should check out the release branch for the module's lowest required OpenMRS Platform version (e.g.1.8.x or 1.9.x). OpenMRS began using Maven in 1.8.x, so for modules that run on earlier versions of the OpenMRS Platform, you may find it easier to just check out1.8.x and test against that.

Compiling the OpenMRS Platform

Use Maven to compile and generate source files.

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Before trying to run the OpenMRS Platform ensure you have MySQL running. Also, it is highly recommended to increase the memory available by following the steps in the Maven setup, or see Troubleshooting Memory Errors. 

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Note: The latest version of openMRS core supports mysql 5.7 Server and above.  An error might flag if the version is below 5.6. 

Installation for Developers On Windows supplemented with images.

(Optional) Module development

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If the module's source code is in Git, follow the Using Git instructions. If the module's source code is in subversion and the module is mavenized (i.e. it has a pom.xml file) then you should follow the same process described for the core code.

Older modules may be in subversion, and not yet mavenized (i.e. they have no pom.xml file). To check these out do New -> Checkout project from SVN.

To create a new module, we recommend Using Git and Using the Module Maven Archetype.

After you cloned a module you need to build it with mvn clean install.

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