diff --git a/src/it/projects/MJAVADOC-767/doc/pom.xml b/src/it/projects/MJAVADOC-767/doc/pom.xml
new file mode 100644
index 00000000..e9bc5d68
--- /dev/null
+++ b/src/it/projects/MJAVADOC-767/doc/pom.xml
@@ -0,0 +1,69 @@
+
+
+
+ 4.0.0
+
+
+ org.apache.maven.plugins.javadoc.it
+ mjavadoc767
+ 1.0-SNAPSHOT
+
+
+ doc
+ pom
+
+
+
+ org.apache.maven.plugins.javadoc.it
+ thing1
+ 1.0-SNAPSHOT
+
+
+ org.apache.maven.plugins.javadoc.it
+ thing2
+ 1.0-SNAPSHOT
+
+
+
+
+
+
+ maven-javadoc-plugin
+ @project.version@
+
+
+ javadoc-jar
+
+ aggregate-jar
+
+ package
+
+ 9
+ false
+ true
+ false
+
+ *:*
+
+
+ *:thing2
+
+
+
+
+
+
+
+
diff --git a/src/it/projects/MJAVADOC-767/invoker.properties b/src/it/projects/MJAVADOC-767/invoker.properties
new file mode 100644
index 00000000..c30bd85d
--- /dev/null
+++ b/src/it/projects/MJAVADOC-767/invoker.properties
@@ -0,0 +1,19 @@
+# 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.goals= package
+invoker.java.version = 9+
diff --git a/src/it/projects/MJAVADOC-767/pom.xml b/src/it/projects/MJAVADOC-767/pom.xml
new file mode 100644
index 00000000..d17cb7eb
--- /dev/null
+++ b/src/it/projects/MJAVADOC-767/pom.xml
@@ -0,0 +1,36 @@
+
+
+
+ 4.0.0
+
+ org.apache.maven.plugins.javadoc.it
+ mjavadoc767
+ 1.0-SNAPSHOT
+ pom
+
+ https://issues.apache.org/jira/browse/MJAVADOC-767
+
+
+ UTF-8
+ 9
+ 9
+
+
+
+ thing1
+ thing2
+ doc
+
+
diff --git a/src/it/projects/MJAVADOC-767/thing1/pom.xml b/src/it/projects/MJAVADOC-767/thing1/pom.xml
new file mode 100644
index 00000000..7a310fa5
--- /dev/null
+++ b/src/it/projects/MJAVADOC-767/thing1/pom.xml
@@ -0,0 +1,26 @@
+
+
+
+ 4.0.0
+
+
+ org.apache.maven.plugins.javadoc.it
+ mjavadoc767
+ 1.0-SNAPSHOT
+
+
+ thing1
+ jar
+
diff --git a/src/it/projects/MJAVADOC-767/thing1/src/main/java/jdbug/thing1/Main.java b/src/it/projects/MJAVADOC-767/thing1/src/main/java/jdbug/thing1/Main.java
new file mode 100644
index 00000000..8d6618fd
--- /dev/null
+++ b/src/it/projects/MJAVADOC-767/thing1/src/main/java/jdbug/thing1/Main.java
@@ -0,0 +1,26 @@
+/*
+ * 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.
+ */
+
+package jdbug.thing1;
+
+public final class Main {
+ public static final void main(String ... args) throws Exception {
+ System.out.println("Hello, World!");
+ }
+}
diff --git a/src/it/projects/MJAVADOC-767/thing1/src/main/java/module-info.java b/src/it/projects/MJAVADOC-767/thing1/src/main/java/module-info.java
new file mode 100644
index 00000000..b880104c
--- /dev/null
+++ b/src/it/projects/MJAVADOC-767/thing1/src/main/java/module-info.java
@@ -0,0 +1,22 @@
+/*
+ * 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.
+ */
+
+module jdbug.thing1 {
+ exports jdbug.thing1;
+}
diff --git a/src/it/projects/MJAVADOC-767/thing2/pom.xml b/src/it/projects/MJAVADOC-767/thing2/pom.xml
new file mode 100644
index 00000000..6b0a9320
--- /dev/null
+++ b/src/it/projects/MJAVADOC-767/thing2/pom.xml
@@ -0,0 +1,26 @@
+
+
+
+ 4.0.0
+
+
+ org.apache.maven.plugins.javadoc.it
+ mjavadoc767
+ 1.0-SNAPSHOT
+
+
+ thing2
+ jar
+
diff --git a/src/it/projects/MJAVADOC-767/thing2/src/main/java/jdbug/thing2/Main.java b/src/it/projects/MJAVADOC-767/thing2/src/main/java/jdbug/thing2/Main.java
new file mode 100644
index 00000000..9aef86fc
--- /dev/null
+++ b/src/it/projects/MJAVADOC-767/thing2/src/main/java/jdbug/thing2/Main.java
@@ -0,0 +1,26 @@
+/*
+ * 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.
+ */
+
+package jdbug.thing2;
+
+public final class Main {
+ public static final void main(String ... args) throws Exception {
+ System.out.println("Hello, World!");
+ }
+}
diff --git a/src/it/projects/MJAVADOC-767/thing2/src/main/java/module-info.java b/src/it/projects/MJAVADOC-767/thing2/src/main/java/module-info.java
new file mode 100644
index 00000000..28ce9ed2
--- /dev/null
+++ b/src/it/projects/MJAVADOC-767/thing2/src/main/java/module-info.java
@@ -0,0 +1,22 @@
+/*
+ * 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.
+ */
+
+module jdbug.thing2 {
+ exports jdbug.thing2;
+}
diff --git a/src/main/java/org/apache/maven/plugins/javadoc/AbstractJavadocMojo.java b/src/main/java/org/apache/maven/plugins/javadoc/AbstractJavadocMojo.java
index a2ba79fd..18fea1cc 100644
--- a/src/main/java/org/apache/maven/plugins/javadoc/AbstractJavadocMojo.java
+++ b/src/main/java/org/apache/maven/plugins/javadoc/AbstractJavadocMojo.java
@@ -4594,12 +4594,14 @@ private void addJavadocOptions(
}
for (Entry> entry : patchModules.entrySet()) {
- addArgIfNotEmpty(
- arguments,
- "--patch-module",
- entry.getKey() + '=' + JavadocUtil.quotedPathArgument(getSourcePath(entry.getValue())),
- false,
- false);
+ if (!entry.getValue().isEmpty()) {
+ addArgIfNotEmpty(
+ arguments,
+ "--patch-module",
+ entry.getKey() + '=' + JavadocUtil.quotedPathArgument(getSourcePath(entry.getValue())),
+ false,
+ false);
+ }
}
if (doclet != null && !doclet.isEmpty()) {