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= Maintenance Scheduling (Java, Quarkus, Maven)
== Run the application with live coding
. Start the application with Maven:
+
[source, shell]
----
$ mvn quarkus:dev
----
. Visit http://localhost:8080 in your browser.
. Click on the *Solve* button.
Then try _live coding_:
. Make some changes in the source code.
. Refresh your browser (F5).
Notice that those changes are immediately in effect.
== Package and run the application
When you're done iterating in `quarkus:dev` mode, run the application as a conventional jar file.
. Compile it with Maven:
+
[source, shell]
----
$ mvn package
----
. Run it:
+
[source, shell]
----
$ java -jar ./target/quarkus-app/quarkus-run.jar
----
+
[NOTE]
====
To run it on port 8081 instead, add `-Dquarkus.http.port=8081`.
====
. Visit http://localhost:8080 in your browser.
== Run a native executable
. https://quarkus.io/guides/building-native-image#configuring-graalvm[Install GraalVM and gu install the native-image tool]
. Compile it natively:
+
[source, shell]
----
$ mvn package -Dnative -DskipTests -Dquarkus.profile=native
----
+
[WARNING]
====
The `-Dquarkus.profile=native` is a temporary workaround for https://github.com/quarkusio/quarkus/issues/13341[an issue in Quarkus 1.10].
====
. Run a database. By default, `application.properties` is configured for H2:
.. Download the http://www.h2database.com/html/download.html[H2 database] (Platform-independent zip) and unzip it.
.. Start the H2 server with the option `-ifNotExists` (not recommended in production):
+
[source, shell]
----
$ cd h2/bin
$ java -cp h2*.jar org.h2.tools.Server -ifNotExists
----
. Run the native executable:
+
[source, shell]
----
$ ./target/*-runner
----
. Visit http://localhost:8080 in your browser.
== More information
Visit https://www.optaplanner.org/[www.optaplanner.org].