diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 49e56173..53266c2b 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -19,7 +19,7 @@ jobs:
       matrix:
         # test against latest update of each major Java version, as well as specific updates of LTS versions:
         os: [ ubuntu-latest, windows-latest ]
-        java: [ 8, 11, 17 ]
+        java: [ 8, 11, 17, 21 ]
 
     steps:
     - name: Checkout ci.common
@@ -37,6 +37,6 @@ jobs:
         cache: 'maven'
     - name: Install ci.ant
       run: |
-        ./mvnw -V clean install -f ci.ant
+        ./mvnw -V clean install -f ci.ant -DskipTests
     - name: Build and run tests
       run: ./mvnw -V clean install
diff --git a/src/main/java/io/openliberty/tools/common/plugins/util/AbstractContainerSupportUtil.java b/src/main/java/io/openliberty/tools/common/plugins/util/AbstractContainerSupportUtil.java
index fd650f25..0079cbae 100644
--- a/src/main/java/io/openliberty/tools/common/plugins/util/AbstractContainerSupportUtil.java
+++ b/src/main/java/io/openliberty/tools/common/plugins/util/AbstractContainerSupportUtil.java
@@ -51,6 +51,17 @@ public abstract class AbstractContainerSupportUtil {
      */
     public abstract void info(String msg);
 
+    public void setIsDocker(boolean isDocker) throws PluginExecutionException {
+        this.isDocker = isDocker;
+        this.checkedContainerType = true;
+
+        if (this.isDocker) {
+            checkDockerVersion();
+        } else {
+            checkPodmanVersion();
+        }
+    }
+
     protected String getContainerCommandPrefix() throws PluginExecutionException {
         if (!checkedContainerType) {
             checkDockerVersion();
@@ -79,8 +90,11 @@ protected boolean checkDockerVersion() throws PluginExecutionException {
                 throw new PluginExecutionException("The detected Docker client version number is not supported:" + dockerVersion.trim() + ". Docker version must be " + MIN_DOCKER_VERSION + " or higher.");
             } 
         }
-        isDocker = true;
-        checkedContainerType = true;
+
+        if (!checkedContainerType) {
+            isDocker = true;
+            checkedContainerType = true;
+        }
         return true;
     }
 
@@ -96,8 +110,10 @@ private boolean checkPodmanVersion() throws PluginExecutionException  {
         if (VersionUtility.compareArtifactVersion(podmanVersion, MIN_PODMAN_VERSION, false) < 0) {
             throw new PluginExecutionException("The detected Podman client version number is not supported:" + podmanVersion.trim() + ". Podman version must be " + MIN_PODMAN_VERSION + " or higher.");
         }
+
         isDocker = false;
         checkedContainerType = true;
+
         return true;
     }