ACS-3347 Upgrade to Java 17 (#1486)

.travis.yml

@@ -1,7 +1,7 @@
 ---
 dist: xenial
 language: java
-jdk: openjdk11
+jdk: openjdk17
 
 services:
   - docker

scripts/travis/build.sh

@@ -53,7 +53,14 @@ if [[ "${SHARE_DEPENDENCY_VERSION}" =~ ^.+-SNAPSHOT$ ]] && [ "${TRAVIS_BUILD_STA
 fi
 
 SHARE_UPSTREAM_REPO="github.com/Alfresco/alfresco-community-share.git"
-
+# Temporarily opening reflective access during compilation for community-share
+# This could be removed once community-share will become Java 17 compliant
+# (Maven plugins included e.g.: maven-war-plugin)
+export MAVEN_OPTS="--add-opens=java.base/java.util=ALL-UNNAMED \
+--add-opens=java.base/java.lang=ALL-UNNAMED \
+--add-opens=java.base/java.lang.reflect=ALL-UNNAMED \
+--add-opens=java.base/java.text=ALL-UNNAMED \
+--add-opens=java.desktop/java.awt.font=ALL-UNNAMED"
 # Checkout the upstream share project (tag or branch; + build if the latter)
 if [[ "${SHARE_DEPENDENCY_VERSION}" =~ ^.+-SNAPSHOT$ ]] ; then
   pullAndBuildSameBranchOnUpstream "${SHARE_UPSTREAM_REPO}" "-Pbuild-docker-images -Pags -Dlicense.failOnNotUptodateHeader=true -Ddocker.quay-expires.value=NEVER ${REPO_IMAGE} -Ddependency.alfresco-community-repo.version=${COM_DEPENDENCY_VERSION}"

tests/tas-integration/pom.xml

@@ -114,8 +114,10 @@
                     <suiteXmlFiles>
                         <suiteXmlFile>${suiteXmlFile}</suiteXmlFile>
                     </suiteXmlFiles>
+                    <!-- Keeping illegal-access=warn for Java 11 compatibility, even though it has no effect on JDK 17 -->
                     <argLine>
                         --illegal-access=warn
+                        --add-opens=java.base/java.lang=ALL-UNNAMED
                     </argLine>
                 </configuration>
             </plugin>

tests/tas-restapi/pom.xml

@@ -84,8 +84,10 @@
                     <suiteXmlFiles>
                         <suiteXmlFile>${suiteXmlFile}</suiteXmlFile>
                     </suiteXmlFiles>
+                    <!-- Keeping illegal-access=warn for Java 11 compatibility, even though it has no effect on JDK 17 -->
                     <argLine>
                         --illegal-access=warn
+                        --add-opens=java.base/java.lang=ALL-UNNAMED
                     </argLine>
                 </configuration>
             </plugin>