fix scanning of ServletContainerInitializer by tomcat > 7.0.5x in "run" goal

Author: bmeriaux

tomcat7-maven-plugin/src/main/java/org/apache/tomcat/maven/plugin/tomcat7/run/CustomRunContextConfig.java

@@ -0,0 +1,40 @@
+package org.apache.tomcat.maven.plugin.tomcat7.run;
+/*
+ * 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 org.apache.catalina.startup.ContextConfig;
+
+import javax.servlet.ServletContext;
+import java.util.List;
+
+/**
+ * Created by benoitmeriaux on 29/08/2015.
+ */
+public class CustomRunContextConfig extends ContextConfig {
+
+    /*In order to have the ServletContainerInitializer scanned using the classpath and not using resources path,
+    we need to clear the ORDERED_LIBS attribtues of the ServletContext before the scan*/
+    protected void processServletContainerInitializers(ServletContext servletContext) {
+        List saveOrderedLib = (List) servletContext.getAttribute(ServletContext.ORDERED_LIBS);
+        servletContext.setAttribute(ServletContext.ORDERED_LIBS, null);
+        super.processServletContainerInitializers(servletContext);
+        servletContext.setAttribute(ServletContext.ORDERED_LIBS, saveOrderedLib);
+    }
+
+}

tomcat7-maven-plugin/src/main/java/org/apache/tomcat/maven/plugin/tomcat7/run/ExtendedTomcat.java

@@ -50,7 +50,7 @@ public Context addWebapp( Host host, String url, String name, String path )
         ctx.setPath( url );
         ctx.setDocBase( path );
 
-        ContextConfig ctxCfg = new ContextConfig();
+        ContextConfig ctxCfg = new CustomRunContextConfig();
         ctx.addLifecycleListener( ctxCfg );
 
         ctxCfg.setDefaultWebXml( new File( configurationDir, "conf/web.xml" ).getAbsolutePath() );