add support for java17

Author: JasperGeurtz

.github/workflows/maven.yml

@@ -15,7 +15,8 @@ jobs:
         java:
          - '8'
          - '11'
-         #- '17'
+         - '17'
+         # - '21'
     name: Java ${{ matrix.Java }} sample
     steps:
       - uses: actions/checkout@v2

pom.xml

@@ -61,10 +61,9 @@
                 <artifactId>maven-surefire-plugin</artifactId>
                 <version>2.22.2</version>
                 <configuration>
-<!--                    <parallel>all</parallel> &lt;!&ndash; Run tests in parallel&ndash;&gt;-->
-<!--                    <useUnlimitedThreads>true</useUnlimitedThreads>-->
                     <rerunFailingTestsCount>10</rerunFailingTestsCount>
                     <argLine>-Xms1g -Xmx1g</argLine>
+                    <argLine>--add-opens java.base/java.nio=ALL-UNNAMED</argLine>
                 </configuration>
             </plugin>
             <plugin>