diff --git a/src/it/MPMD-332-JDK18/invoker.properties b/src/it/MPMD-332-JDK18/invoker.properties
new file mode 100644
index 00000000..47521295
--- /dev/null
+++ b/src/it/MPMD-332-JDK18/invoker.properties
@@ -0,0 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+invoker.java.version = 18+
+invoker.goals = clean verify
+invoker.buildResult = failure
diff --git a/src/it/MPMD-332-JDK18/pom.xml b/src/it/MPMD-332-JDK18/pom.xml
new file mode 100644
index 00000000..5f45389e
--- /dev/null
+++ b/src/it/MPMD-332-JDK18/pom.xml
@@ -0,0 +1,76 @@
+
+
+
+
+
+ 4.0.0
+ org.apache.maven.plugins.pmd.it
+ MPMD-332-JDK18
+ 1.0-SNAPSHOT
+
+
+ UTF-8
+ 18
+
+
+
+
+
+
+ org.apache.maven.plugins
+ maven-compiler-plugin
+ 3.8.0
+
+ ${java.version}
+ ${java.version}
+
+
+
+
+
+
+ org.apache.maven.plugins
+ maven-pmd-plugin
+ @project.version@
+
+ false
+ false
+ false
+ true
+ 4
+ true
+ ${java.version}
+ UTF-8
+ 100
+
+
+
+ default
+ verify
+
+ check
+
+
+
+
+
+
+
diff --git a/src/it/MPMD-332-JDK18/src/main/java/com/mycompany/app/App.java b/src/it/MPMD-332-JDK18/src/main/java/com/mycompany/app/App.java
new file mode 100644
index 00000000..8e4972d3
--- /dev/null
+++ b/src/it/MPMD-332-JDK18/src/main/java/com/mycompany/app/App.java
@@ -0,0 +1,25 @@
+package com.mycompany.app;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+public class App
+{
+
+}
diff --git a/src/it/MPMD-332-JDK18/src/main/java/com/mycompany/app/Foo.java b/src/it/MPMD-332-JDK18/src/main/java/com/mycompany/app/Foo.java
new file mode 100644
index 00000000..4823d574
--- /dev/null
+++ b/src/it/MPMD-332-JDK18/src/main/java/com/mycompany/app/Foo.java
@@ -0,0 +1,30 @@
+package com.mycompany.app;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import java.util.ArrayList;
+
+public class Foo
+{
+ public Foo( final ArrayList foo )
+ {
+ }
+
+}
diff --git a/src/it/MPMD-332-JDK18/verify.groovy b/src/it/MPMD-332-JDK18/verify.groovy
new file mode 100644
index 00000000..ebb6a94c
--- /dev/null
+++ b/src/it/MPMD-332-JDK18/verify.groovy
@@ -0,0 +1,24 @@
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+File buildLog = new File( basedir, 'build.log' )
+assert buildLog.exists()
+assert buildLog.text.contains( '[INFO] PMD Failure: com.mycompany.app.Foo:26 Rule:UnusedFormalParameter Priority:3' )
+assert !buildLog.text.contains( '[WARNING]' )
diff --git a/src/main/java/org/apache/maven/plugins/pmd/PmdReport.java b/src/main/java/org/apache/maven/plugins/pmd/PmdReport.java
index 124deb94..b1a7c1e6 100644
--- a/src/main/java/org/apache/maven/plugins/pmd/PmdReport.java
+++ b/src/main/java/org/apache/maven/plugins/pmd/PmdReport.java
@@ -73,7 +73,7 @@ public class PmdReport
* with the default PMD version are
* currently 1.3, 1.4, 1.5, 1.6, 1.7,
* 1.8, 9, 10, 11, 12, 13,
- * 14, 15, 16, and 17.
+ * 14, 15, 16, 17, and 18.
*
*
You can override the default PMD version by specifying PMD as a dependency,
* see Upgrading PMD at Runtime.