NO-JIRA: add a basic GitHub Actions build similar to the Travis job

.github/workflows/build.yml

@@ -0,0 +1,38 @@
+name: "Build"
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-18.04
+    strategy:
+      fail-fast: false
+      matrix:
+        java: [ 8, 11, 14 ]
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/cache@v2
+        with:
+          path: |
+            ~/.m2/repository
+            !~/.m2/repository/org/apache/activemq/artemis-*
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
+
+      - name: Install JDK ${{ matrix.java }}
+        uses: actions/setup-java@v1
+        with:
+          java-version: ${{ matrix.java }}
+
+      # use 'install' so smoke-tests will work
+      # use '-Pextra-tests' to ensure extra-tests compiles even though they won't actually run
+      # By setting anything to org.apache.activemq.artemis.core.io.aio.AIOSequentialFileFactory.DISABLED we are disabling libaio loading on the testsuite
+      - name: Build
+        run: |
+          set -e
+          mvn -Dorg.apache.activemq.artemis.core.io.aio.AIOSequentialFileFactory.DISABLED=AnythingNotNull -Djdk8-errorprone -Pfast-tests -Pextra-tests -Ptests-CI -B install -q
+          cd examples
+          mvn install -PnoRun -B -q
+

pom.xml

@@ -1672,6 +1672,7 @@
                <excludes>
                   <exclude>.repository/**</exclude>
                   <exclude>.travis.yml</exclude>
+                  <exclude>.github/workflows/*</exclude>
                   <exclude>**/footer.html</exclude>
                   <exclude>**/*.txt</exclude>
                   <exclude>**/*.md</exclude>