Fix #12044

pom.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <!--
     Description: Solo POM.
-    Version: 2.7.1.8, Nov 18, 2015
+    Version: 2.8.1.8, Nov 29, 2015
     Author: Liang Ding
 -->
 <project xmlns="http://maven.apache.org/POM/4.0.0"
@@ -105,7 +105,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         
-        <org.b3log.latke.version>1.3.6</org.b3log.latke.version>
+        <org.b3log.latke.version>1.3.7</org.b3log.latke.version>
 
         <servlet.version>3.1.0</servlet.version>
         <slf4j.version>1.7.5</slf4j.version>
@@ -114,6 +114,7 @@
         <markdownpapers-core.version>1.4.2</markdownpapers-core.version>
         <qiniu.version>7.0.4.1</qiniu.version>
         <jetty.version>9.2.13.v20150730</jetty.version>
+        <commons-cli.version>1.3.1</commons-cli.version>
         
         <!-- maven plugin -->
         <maven-compiler-plugin.version>3.3</maven-compiler-plugin.version>
@@ -207,6 +208,12 @@
             <version>${jetty.version}</version>
         </dependency>
 
+        <dependency>
+            <groupId>commons-cli</groupId>
+            <artifactId>commons-cli</artifactId>
+            <version>${commons-cli.version}</version>
+        </dependency>
+        
         <!-- BEGIN: GAE related dependencies just for testing -->
         <dependency>
             <groupId>org.b3log</groupId>

src/main/java/org/b3log/solo/Starter.java

@@ -19,6 +19,10 @@ import java.awt.Desktop;
 import java.io.File;
 import java.net.URI;
 import java.util.ResourceBundle;
+import org.apache.commons.cli.CommandLine;
+import org.apache.commons.cli.CommandLineParser;
+import org.apache.commons.cli.DefaultParser;
+import org.apache.commons.cli.Options;
 import org.b3log.latke.logging.Logger;
 import org.b3log.latke.util.Strings;
 import org.eclipse.jetty.server.Server;
@@ -35,7 +39,7 @@ import org.eclipse.jetty.webapp.WebAppContext;
  * </ul>
  *
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
- * @version 1.0.0.2, Oct 31, 2015
+ * @version 1.0.0.3, Nov 29, 2015
  * @since 1.2.0
  */
 public final class Starter {
@@ -57,18 +61,29 @@ public final class Starter {
     public static void main(final String[] args) throws Exception {
         final Logger logger = Logger.getLogger(Starter.class);
 
+        final Options options = new Options();
+        options.addOption("p", "port", true, "listen port");
+
+        final CommandLineParser commandLineParser = new DefaultParser();
+        final CommandLine commandLine = commandLineParser.parse(options, args);
+        
+        String portArg = commandLine.getOptionValue("p");
+        if (!Strings.isNumeric(portArg)) {
+            portArg = "9090";
+        }
+
         logger.info("Standalone mode, see [https://github.com/b3log/solo/wiki/standalone_mode] for more details.");
 
         String webappDirLocation = "src/main/webapp/"; // POM structure in dev env
-
         final File file = new File(webappDirLocation);
         if (!file.exists()) {
-            webappDirLocation = "."; // prod env
+            webappDirLocation = "."; // production environment
         }
 
-        final ResourceBundle latke = ResourceBundle.getBundle("latke");
+        final int port = Integer.valueOf(portArg);
+        
 
-        final int port = Integer.valueOf(latke.getString("serverPort"));
+        final ResourceBundle latke = ResourceBundle.getBundle("latke");
         String contextPath = latke.getString("contextPath");
         if (Strings.isEmptyOrNull(contextPath)) {
             contextPath = "/";
@@ -89,9 +104,10 @@ public final class Starter {
         final String host = latke.getString("serverHost");
 
         try {
-            Desktop.getDesktop().browse(new URI(scheme + "://" + host + ":" + port + contextPath));
+            final int visitPort = Integer.valueOf(latke.getString("serverPort"));
+            Desktop.getDesktop().browse(new URI(scheme + "://" + host + ":" + visitPort + contextPath));
         } catch (final Throwable e) {
-            e.printStackTrace();
+            // Ignored
         }
 
         server.join();