Enable "gcloud" profile for gcloud session testing.

Jenkinsfile

@@ -12,7 +12,7 @@ pipeline {
           steps {
             container('jetty-build') {
               timeout( time: 120, unit: 'MINUTES' ) {
-                mavenBuild( "jdk8", "clean install -T3 -Premote-session-tests", "maven3",
+                mavenBuild( "jdk8", "clean install -Premote-session-tests -Pgcloud", "maven3",
                             [[parserName: 'Maven'], [parserName: 'Java']])
                 // Collect up the jacoco execution results (only on main build)
                 jacoco inclusionPattern: '**/org/eclipse/jetty/**/*.class',
@@ -42,7 +42,7 @@ pipeline {
           steps {
             container( 'jetty-build' ) {
               timeout( time: 120, unit: 'MINUTES' ) {
-                mavenBuild( "jdk11", "clean install -T3 -Djacoco.skip=true -Premote-session-tests", "maven3",
+                mavenBuild( "jdk11", "clean install -T3 -Djacoco.skip=true -Premote-session-tests -Pgcloud", "maven3",
                             [[parserName: 'Maven'], [parserName: 'Java']])
               }
             }
@@ -54,7 +54,7 @@ pipeline {
           steps {
             container( 'jetty-build' ) {
               timeout( time: 120, unit: 'MINUTES' ) {
-                mavenBuild( "jdk15", "clean install -T3 -Djacoco.skip=true -Premote-session-tests", "maven3",
+                mavenBuild( "jdk15", "clean install -T3 -Djacoco.skip=true -Premote-session-tests -Pgcloud", "maven3",
                             [[parserName: 'Maven'], [parserName: 'Java']])
               }
             }
@@ -138,7 +138,7 @@ def mavenBuild(jdk, cmdline, mvnName, consoleParsers) {
                "MAVEN_OPTS=-Xms2g -Xmx4g -Djava.awt.headless=true"]) {
         configFileProvider(
                 [configFile(fileId: 'oss-settings.xml', variable: 'GLOBAL_MVN_SETTINGS')]) {
-          sh "mvn -s $GLOBAL_MVN_SETTINGS -Dmaven.repo.local=.repository -Pci -fae -V -B -e -Djetty.testtracker.log=true $cmdline -Dunix.socket.tmp=" +
+          sh "mvn -s $GLOBAL_MVN_SETTINGS -Dmaven.repo.local=.repository -Pci -V -B -e -Djetty.testtracker.log=true $cmdline -Dunix.socket.tmp=" +
                      env.JENKINS_HOME
         }
       }

pom.xml

@@ -665,6 +665,7 @@
             <failIfNoTests>false</failIfNoTests>
             <forkCount>1</forkCount>
             <reuseForks>true</reuseForks> <!-- to work around crash at https://github.com/junit-team/junit5/issues/801 -->
+            <trimStackTrace>false</trimStackTrace>
             <systemPropertyVariables>
               <java.io.tmpdir>${project.build.directory}</java.io.tmpdir>
               <unix.socket.tmp>${unix.socket.tmp}</unix.socket.tmp>

tests/test-sessions/test-gcloud-sessions/src/test/java/org/eclipse/jetty/gcloud/session/GCloudSessionTestSupport.java

@@ -19,13 +19,19 @@
 package org.eclipse.jetty.gcloud.session;
 
 import java.io.ByteArrayOutputStream;
+import java.io.IOException;
 import java.io.ObjectOutputStream;
+import java.net.InetAddress;
+import java.net.InetSocketAddress;
+import java.net.ServerSocket;
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
+import com.google.cloud.NoCredentials;
+import com.google.cloud.ServiceOptions;
 import com.google.cloud.datastore.Blob;
 import com.google.cloud.datastore.BlobValue;
 import com.google.cloud.datastore.Datastore;
@@ -55,7 +61,7 @@
  */
 public class GCloudSessionTestSupport
 {
-    LocalDatastoreHelper _helper = LocalDatastoreHelper.create(1.0);
+    final LocalDatastoreHelper _helper;
     Datastore _ds;
     KeyFactory _keyFactory;
 
@@ -86,9 +92,41 @@ public static GCloudSessionDataStoreFactory newSessionDataStoreFactory(Datastore
         return new TestGCloudSessionDataStoreFactory(d);
     }
 
-    public GCloudSessionTestSupport()
+    public GCloudSessionTestSupport() throws IOException
     {
-        DatastoreOptions options = _helper.getOptions();
+        int localPort;
+        String localHost = InetAddress.getLocalHost().getHostAddress();
+        //The google code finds a port based on the wildcard interface,
+        //so we need to do the same here
+        InetSocketAddress address = new InetSocketAddress(0);
+        try (ServerSocket server = new ServerSocket())
+        {
+            //ensure that a socket in TIME_WAIT can be reused
+            server.setReuseAddress(true);
+            server.bind(address);
+            localPort = server.getLocalPort();
+            _helper = LocalDatastoreHelper.newBuilder()
+                .setConsistency(1.0)
+                .setPort(localPort)
+                //.setStoreOnDisk(false)
+                .build();
+        }
+        System.out.println("Using datastore emulator port:" + localPort);
+        System.out.println("Using datastore client port:" + localHost + ":" + localPort);
+
+        //DatastoreOptions options = _helper.getOptions();
+
+        //Try forcing the local end of connections to the port opened by 
+        //the forked processes run by the LocalDatastoreHelper to use
+        //an ip address instead of "localhost" (even though the forked
+        //processes themselves are hardcoded to use "localhost")
+        //String localHost = InetAddress.getLocalHost().getHostAddress();
+        DatastoreOptions options = DatastoreOptions.newBuilder()
+            .setProjectId(_helper.getProjectId())
+            .setHost("http://" + localHost + ":" + Integer.toString(localPort))
+            .setCredentials(NoCredentials.getInstance())
+            .setRetrySettings(ServiceOptions.getNoRetrySettings()).build();
+
         _ds = options.getService();
         _keyFactory = _ds.newKeyFactory().setKind(EntityDataModel.KIND);
     }

tests/test-sessions/test-gcloud-sessions/src/test/resources/jetty-logging.properties

@@ -0,0 +1,3 @@
+org.eclipse.jetty.util.log.class=org.eclipse.jetty.util.log.StdErrLog
+org.eclipse.jetty.gcloud.LEVEL=DEBUG
+org.eclipse.jetty.server.session.LEVEL=DEBUG