Update GitHub Actions workflows to use modern runner versions and LTS Java versions with macOS hostname fix

.github/workflows/deploy.yml

@@ -7,19 +7,20 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up Java for publishing to Maven Central Repository
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v4
         with:
           java-version: 17
+          distribution: 'temurin'
           server-id: sonatype-nexus-snapshots
           server-username: MAVEN_USERNAME
           server-password: MAVEN_PASSWORD
       - name: Import GPG key
         id: import_gpg
-        uses: crazy-max/ghaction-import-gpg@v3
+        uses: crazy-max/ghaction-import-gpg@v5
         with:
-          gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
+          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
           passphrase: ${{ secrets.PASSPHRASE }}
       - name: GPG user IDs
         run: |
@@ -33,9 +34,10 @@ jobs:
           MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
           MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN }}
       - name: Set up Java for publishing to GitHub Packages
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v4
         with:
           java-version: 17
+          distribution: 'temurin'
       - name: Publish to GitHub Packages
         run: mvn -P github,release -B deploy
         env:

.github/workflows/maven.yml

@@ -13,11 +13,12 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up JDK 17
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v4
         with:
           java-version: 17
+          distribution: 'temurin'
       - name: Build with Maven
         run: mvn -B clean package --file pom.xml -U
   #        run: mvn -B clean package jacoco:report --file pom.xml -U
@@ -28,15 +29,16 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        # test against latest update of each major Java version, as well as specific updates of LTS versions:
-        java: [ 17, 18, 19, 20, 21 ]
-        os: [ ubuntu-22.04, windows-2022, macos-12 ]
+        # test against latest update of LTS Java versions >= 17:
+        java: [ 17, 21 ]
+        os: [ ubuntu-24.04, windows-latest, macos-latest ]
     name: Test JDK ${{ matrix.java }}, ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up JDK ${{ matrix.java }}
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v4
         with:
           java-version: ${{ matrix.java }}
+          distribution: 'temurin'
       - name: Build with Maven
         run: mvn -B clean package --file pom.xml -U

kerb4j-client/src/test/java/com/kerb4j/client/SpnegoHttpURLConnectionTests.java

@@ -37,7 +37,6 @@
 import java.io.File;
 import java.io.InputStreamReader;
 import java.net.HttpURLConnection;
-import java.net.InetAddress;
 import java.net.URL;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
@@ -62,7 +61,7 @@ public void testSpnegoWithForward() throws Exception {
         SimpleKdcServer kdc = getKdc();
         Assertions.assertNotNull(kdc);
         File workDir = getWorkDir();
-        String host = InetAddress.getLocalHost().getCanonicalHostName().toLowerCase(); // doesn't work without toLowerCse
+        String host = "localhost";
 
         String serverPrincipal = "HTTP/" + host;
         File serverKeytab = new File(workDir, "server.keytab");
@@ -100,7 +99,7 @@ public void testSpnegoWithSuccessHandler() throws Exception {
         SimpleKdcServer kdc = getKdc();
         Assertions.assertNotNull(kdc);
         File workDir = getWorkDir();
-        String host = InetAddress.getLocalHost().getCanonicalHostName().toLowerCase(); // doesn't work without toLowerCse
+        String host = "localhost";
 
         String serverPrincipal = "HTTP/" + host;
         File serverKeytab = new File(workDir, "server.keytab");

kerb4j-server/kerb4j-server-spring-security/src/test/java/com/kerb4j/client/spring/SpnegoRestTemplateTest.java

@@ -39,7 +39,6 @@
 import javax.security.auth.kerberos.KerberosPrincipal;
 import javax.security.auth.kerberos.KeyTab;
 import java.io.File;
-import java.net.InetAddress;
 import java.util.Set;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
@@ -67,7 +66,7 @@ public void testSpnegoClientNotInitiator() throws Exception {
 
         SimpleKdcServer kdc = getKdc();
         File workDir = getWorkDir();
-        String host = InetAddress.getLocalHost().getCanonicalHostName().toLowerCase();
+        String host = "localhost";
 
         String serverPrincipal = "HTTP/" + host;
         File serverKeytab = new File(workDir, "acceptOnly.keytab");
@@ -108,7 +107,7 @@ public void testSpnego() throws Exception {
 
         SimpleKdcServer kdc = getKdc();
         File workDir = getWorkDir();
-        String host = InetAddress.getLocalHost().getCanonicalHostName().toLowerCase();
+        String host = "localhost";
 
         String serverPrincipal = "HTTP/" + host;
         File serverKeytab = new File(workDir, "server.keytab");
@@ -157,7 +156,7 @@ public void testServerRequests() throws Exception {
 
         SimpleKdcServer kdc = getKdc();
         File workDir = getWorkDir();
-        String host = InetAddress.getLocalHost().getCanonicalHostName().toLowerCase();
+        String host = "localhost";
 
         String serverPrincipal = "HTTP/" + host;
         File serverKeytab = new File(workDir, "server.keytab");
@@ -194,7 +193,7 @@ public void testSpnegoWithPasswordOnServer() throws Exception {
 
         SimpleKdcServer kdc = getKdc();
         File workDir = getWorkDir();
-        String host = InetAddress.getLocalHost().getCanonicalHostName().toLowerCase();
+        String host = "localhost";
 
         String serverPrincipal = "HTTP/" + host;
         String serverPassword = "TestPassword";
@@ -231,7 +230,7 @@ public void testSpnegoWithForward() throws Exception {
 
         SimpleKdcServer kdc = getKdc();
         File workDir = getWorkDir();
-        String host = InetAddress.getLocalHost().getCanonicalHostName().toLowerCase();
+        String host = "localhost";
 
         String serverPrincipal = "HTTP/" + host;
         File serverKeytab = new File(workDir, "server.keytab");
@@ -274,7 +273,7 @@ public void testSpnegoWithSuccessHandler() throws Exception {
 
         SimpleKdcServer kdc = getKdc();
         File workDir = getWorkDir();
-        String host = InetAddress.getLocalHost().getCanonicalHostName().toLowerCase();
+        String host = "localhost";
 
         String serverPrincipal = "HTTP/" + host;
         File serverKeytab = new File(workDir, "server.keytab");

kerb4j-server/kerb4j-server-tomcat/src/test/java/com/kerb4j/server/tomcat/BaseTomcatTest.java

@@ -23,7 +23,6 @@
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.net.HttpURLConnection;
-import java.net.InetAddress;
 import java.net.URL;
 import java.security.PrivilegedActionException;
 
@@ -42,7 +41,7 @@ public class BaseTomcatTest extends KerberosSecurityTestcase {
     public void startTomcat() throws Exception {
         SimpleKdcServer kdc = getKdc();
         File workDir = getWorkDir();
-        host = InetAddress.getLocalHost().getCanonicalHostName().toLowerCase(); // doesn't work without toLowerCse
+        host = "localhost";
 
         String serverPrincipal = "HTTP/" + host;
         File serverKeytab = new File(workDir, "server.keytab");