diff --git a/src/main/java/org/codehaus/gmavenplus/mojo/ConsoleMojo.java b/src/main/java/org/codehaus/gmavenplus/mojo/ConsoleMojo.java
index 49da7cf0..ff50eaf0 100644
--- a/src/main/java/org/codehaus/gmavenplus/mojo/ConsoleMojo.java
+++ b/src/main/java/org/codehaus/gmavenplus/mojo/ConsoleMojo.java
@@ -85,12 +85,15 @@ public void execute() throws MojoExecutionException, MojoFailureException {
             getLog().debug("Unable to log project test classpath");
         }
 
-        if (groovyVersionSupportsAction()) {
+        if (!groovyVersionSupportsAction()) {
+            getLog().error("Your Groovy version (" + classWrangler.getGroovyVersionString() + ") doesn't support running a console. The minimum version of Groovy required is " + minGroovyVersion + ". Skipping console startup.");
+        }
+
+        if (!allowSystemExits) {
             final SecurityManager sm = System.getSecurityManager();
             try {
-                if (!allowSystemExits) {
-                    System.setSecurityManager(new NoExitSecurityManager());
-                }
+                getLog().warn("This feature relies on Java's SecurityManager, which is deprecated for removal in Java 17. Java 18 and later will require `-Djava.security.manager=allow` be used to continue using this feature.");
+                System.setSecurityManager(new NoExitSecurityManager());
 
                 // get classes we need with reflection
                 Class<?> consoleClass;
@@ -128,12 +131,8 @@ public void execute() throws MojoExecutionException, MojoFailureException {
             } catch (InstantiationException e) {
                 throw new MojoExecutionException("Error occurred while instantiating a Groovy class from classpath.", e);
             } finally {
-                if (!allowSystemExits) {
-                    System.setSecurityManager(sm);
-                }
+                System.setSecurityManager(sm);
             }
-        } else {
-            getLog().error("Your Groovy version (" + classWrangler.getGroovyVersionString() + ") doesn't support running a console. The minimum version of Groovy required is " + minGroovyVersion + ". Skipping console startup.");
         }
     }
 
diff --git a/src/main/java/org/codehaus/gmavenplus/mojo/ExecuteMojo.java b/src/main/java/org/codehaus/gmavenplus/mojo/ExecuteMojo.java
index 976b2618..89c8a54c 100644
--- a/src/main/java/org/codehaus/gmavenplus/mojo/ExecuteMojo.java
+++ b/src/main/java/org/codehaus/gmavenplus/mojo/ExecuteMojo.java
@@ -136,12 +136,16 @@ protected synchronized void doExecute() throws MojoExecutionException {
             getLog().debug("Unable to log project test classpath");
         }
 
-        if (groovyVersionSupportsAction()) {
+        if (!groovyVersionSupportsAction()) {
+            getLog().error("Your Groovy version (" + classWrangler.getGroovyVersionString() + ") doesn't support script execution. The minimum version of Groovy required is " + minGroovyVersion + ". Skipping script execution.");
+            return;
+        }
+
+        if (!allowSystemExits) {
             final SecurityManager sm = System.getSecurityManager();
             try {
-                if (!allowSystemExits) {
-                    System.setSecurityManager(new NoExitSecurityManager());
-                }
+                getLog().warn("This feature relies on Java's SecurityManager, which is deprecated for removal in Java 17. Java 18 and later will require `-Djava.security.manager=allow` be used to continue using this feature.");
+                System.setSecurityManager(new NoExitSecurityManager());
 
                 // get classes we need with reflection
                 Class<?> groovyShellClass = classWrangler.getClass("groovy.lang.GroovyShell");
@@ -160,12 +164,8 @@ protected synchronized void doExecute() throws MojoExecutionException {
             } catch (IllegalAccessException e) {
                 throw new MojoExecutionException("Unable to access a method on a Groovy class from classpath.", e);
             } finally {
-                if (!allowSystemExits) {
-                    System.setSecurityManager(sm);
-                }
+                System.setSecurityManager(sm);
             }
-        } else {
-            getLog().error("Your Groovy version (" + classWrangler.getGroovyVersionString() + ") doesn't support script execution. The minimum version of Groovy required is " + minGroovyVersion + ". Skipping script execution.");
         }
     }
 
diff --git a/src/main/java/org/codehaus/gmavenplus/mojo/ShellMojo.java b/src/main/java/org/codehaus/gmavenplus/mojo/ShellMojo.java
index 112bf639..6fbead4e 100644
--- a/src/main/java/org/codehaus/gmavenplus/mojo/ShellMojo.java
+++ b/src/main/java/org/codehaus/gmavenplus/mojo/ShellMojo.java
@@ -90,12 +90,15 @@ public void execute() throws MojoExecutionException {
             getLog().debug("Unable to log project test classpath");
         }
 
-        if (groovyVersionSupportsAction()) {
+        if (!groovyVersionSupportsAction()) {
+            getLog().error("Your Groovy version (" + classWrangler.getGroovyVersionString() + ") doesn't support running a shell. The minimum version of Groovy required is " + minGroovyVersion + ". Skipping shell startup.");
+        }
+
+        if (!allowSystemExits) {
             final SecurityManager sm = System.getSecurityManager();
             try {
-                if (!allowSystemExits) {
-                    System.setSecurityManager(new NoExitSecurityManager());
-                }
+                getLog().warn("This feature relies on Java's SecurityManager, which is deprecated for removal in Java 17. Java 18 and later will require `-Djava.security.manager=allow` be used to continue using this feature.");
+                System.setSecurityManager(new NoExitSecurityManager());
 
                 // get classes we need with reflection
                 Class<?> shellClass = classWrangler.getClass(groovyAtLeast(GROOVY_4_0_0_ALPHA1) ? "org.apache.groovy.groovysh.Groovysh" : "org.codehaus.groovy.tools.shell.Groovysh");
@@ -122,12 +125,8 @@ public void execute() throws MojoExecutionException {
             } catch (InstantiationException e) {
                 throw new MojoExecutionException("Error occurred while instantiating a Groovy class from classpath.", e);
             } finally {
-                if (!allowSystemExits) {
-                    System.setSecurityManager(sm);
-                }
+                System.setSecurityManager(sm);
             }
-        } else {
-            getLog().error("Your Groovy version (" + classWrangler.getGroovyVersionString() + ") doesn't support running a shell. The minimum version of Groovy required is " + minGroovyVersion + ". Skipping shell startup.");
         }
     }