Attempting to fix jetty-9.2.x build

Jenkinsfile

@@ -2,12 +2,16 @@
 
 node {
   // System Dependent Locations
-  def mvntool = tool name: 'maven3', type: 'hudson.tasks.Maven$MavenInstallation'
+  def mvntool = tool name: 'maven3.5', type: 'hudson.tasks.Maven$MavenInstallation'
   def jdktool = tool name: 'jdk7', type: 'hudson.model.JDK'
+  def mvnName = 'maven3.5'
+  def localRepo = "${env.JENKINS_HOME}/${env.EXECUTOR_NUMBER}" // ".repository" //
+  def settingsName = 'oss-settings.xml'
+  def mavenOpts = '-Xms1g -Xmx4g -XX:MaxPermSize=512m -Djava.awt.headless=true -Dhttps.protocols=TLSv1,TLSv1.1,TLSv1.2'
 
   // Environment
   List mvnEnv = ["PATH+MVN=${mvntool}/bin", "PATH+JDK=${jdktool}/bin", "JAVA_HOME=${jdktool}/", "MAVEN_HOME=${mvntool}"]
-  mvnEnv.add("MAVEN_OPTS=-Xms256m -Xmx1024m -XX:MaxPermSize=512m -Djava.awt.headless=true")
+  mvnEnv.add("MAVEN_OPTS=$mavenOpts")
 
   try
   {
@@ -24,10 +28,18 @@ node {
     stage('Compile') {
       withEnv(mvnEnv) {
         timeout(time: 15, unit: 'MINUTES') {
+          withmaven(
+              maven: mvnName,
+              jdk: "$jdk",
+              publisherStrategy: 'EXPLICIT',
+              globalMavenSettingsConfig: settingsName,
+              mavenOpts: mavenOpts,
+              mavenLocalRepo: localRepo) {
             sh "mvn -B clean install -Dtest=None"
           }
         }
       }
+    }
   } catch(Exception e) {
     notifyBuild("Compile Failure")
     throw e
@@ -38,10 +50,18 @@ node {
     stage('Javadoc') {
       withEnv(mvnEnv) {
         timeout(time: 15, unit: 'MINUTES') {
+          withmaven(
+              maven: mvnName,
+              jdk: "$jdk",
+              publisherStrategy: 'EXPLICIT',
+              globalMavenSettingsConfig: settingsName,
+              mavenOpts: mavenOpts,
+              mavenLocalRepo: localRepo) {
             sh "mvn -B javadoc:javadoc"
           }
         }
       }
+    }
   } catch(Exception e) {
     notifyBuild("Javadoc Failure")
     throw e
@@ -52,6 +72,13 @@ node {
     stage('Test') {
       withEnv(mvnEnv) {
         timeout(time: 60, unit: 'MINUTES') {
+          withmaven(
+              maven: mvnName,
+              jdk: "$jdk",
+              publisherStrategy: 'EXPLICIT',
+              globalMavenSettingsConfig: settingsName,
+              mavenOpts: mavenOpts,
+              mavenLocalRepo: localRepo) {
             // Run test phase / ignore test failures
             sh "mvn -B install -Dmaven.test.failure.ignore=true"
             // Report failures in the jenkins UI
@@ -90,6 +117,7 @@ node {
                     [parserName: 'JavaC']
                 ]])
             }
+        }
         if(isUnstable())
         {
           notifyBuild("Unstable / Test Errors")
@@ -108,7 +136,7 @@ def isActiveBranch()
 {
   def branchName = "${env.BRANCH_NAME}"
   return ( branchName == "master" ||
-           branchName.startsWith("jetty-") );
+      ( branchName.startsWith("jetty-") && branchName.endsWith(".x") ) )
 }
 
 // Test if the Jenkins Pipeline or Step has marked the