[MJAVADOC-538] Filter out 'Picked up'

diff --git a/pom.xml b/pom.xml
index fa19d3e..cd6cc3b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -113,6 +113,9 @@
     <contributor>
       <name>Anton Klarén</name>
     </contributor>
+    <contributor>
+      <name>Kevin Risden</name>
+    </contributor>
   </contributors>
 
   <dependencies>
@@ -441,6 +444,8 @@
               </filterProperties>
               <environmentVariables>
                 <JENKINS_MAVEN_AGENT_DISABLED>true</JENKINS_MAVEN_AGENT_DISABLED>
+                <!-- required for MJAVADOC-538 -->
+                <_JAVA_OPTIONS>-Dabc=def</_JAVA_OPTIONS>
               </environmentVariables>
             </configuration>
           </plugin>
diff --git a/src/it/projects/MJAVADOC-538/invoker.properties b/src/it/projects/MJAVADOC-538/invoker.properties
new file mode 100644
index 0000000..a4e250d
--- /dev/null
+++ b/src/it/projects/MJAVADOC-538/invoker.properties
@@ -0,0 +1,18 @@
+# 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=clean javadoc:javadoc

diff --git a/src/it/projects/MJAVADOC-538/pom.xml b/src/it/projects/MJAVADOC-538/pom.xml
new file mode 100644
index 0000000..e7d3ae1
--- /dev/null
+++ b/src/it/projects/MJAVADOC-538/pom.xml
@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="UTF-8"?>

+

+<!--

+  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.

+-->

+

+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

+  <modelVersion>4.0.0</modelVersion>

+

+  <groupId>org.apache.maven.plugins.maven-javadoc-plugin.it</groupId>

+  <artifactId>mjavadoc-538</artifactId>

+  <version>1.0-SNAPSHOT</version>

+  <url>https://issues.apache.org/jira/browse/MJAVADOC-538</url>

+

+  <properties>

+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

+  </properties>

+

+  <build>

+    <pluginManagement>

+      <plugins>

+        <plugin>

+          <groupId>org.apache.maven.plugins</groupId>

+          <artifactId>maven-javadoc-plugin</artifactId>

+          <version>@project.version@</version>

+          <configuration>

+            <failOnWarnings>true</failOnWarnings>

+          </configuration>

+        </plugin>

+      </plugins>

+    </pluginManagement>

+  </build>

+</project>

diff --git a/src/it/projects/MJAVADOC-538/src/main/java/foo/bar/MyClass.java b/src/it/projects/MJAVADOC-538/src/main/java/foo/bar/MyClass.java
new file mode 100644
index 0000000..e5960e3
--- /dev/null
+++ b/src/it/projects/MJAVADOC-538/src/main/java/foo/bar/MyClass.java
@@ -0,0 +1,24 @@
+package foo.bar;

+

+/*

+ * 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 MyClass

+{

+}

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 e19b68f..5dc3fd6 100644
--- a/src/main/java/org/apache/maven/plugins/javadoc/AbstractJavadocMojo.java
+++ b/src/main/java/org/apache/maven/plugins/javadoc/AbstractJavadocMojo.java
@@ -5251,8 +5251,8 @@
             writeDebugJavadocScript( cmdLine, javadocOutputDirectory );

         }

 

-        CommandLineUtils.StringStreamConsumer err = new CommandLineUtils.StringStreamConsumer();

-        CommandLineUtils.StringStreamConsumer out = new CommandLineUtils.StringStreamConsumer();

+        CommandLineUtils.StringStreamConsumer err = new JavadocUtil.JavadocOutputStreamConsumer();

+        CommandLineUtils.StringStreamConsumer out = new JavadocUtil.JavadocOutputStreamConsumer();

         try

         {

             int exitCode = CommandLineUtils.executeCommandLine( cmd, out, err );

diff --git a/src/main/java/org/apache/maven/plugins/javadoc/JavadocUtil.java b/src/main/java/org/apache/maven/plugins/javadoc/JavadocUtil.java
index da72cac..380524e 100644
--- a/src/main/java/org/apache/maven/plugins/javadoc/JavadocUtil.java
+++ b/src/main/java/org/apache/maven/plugins/javadoc/JavadocUtil.java
@@ -1501,7 +1501,7 @@
      * @author Robert Scholte

      * @since 3.0.1

      */

-    private static class JavadocOutputStreamConsumer

+    protected static class JavadocOutputStreamConsumer

         extends CommandLineUtils.StringStreamConsumer

     {

         @Override