diff --git a/src/modules/app_java/doc/app_java.xml b/src/modules/app_java/doc/app_java.xml
index b7f923824d7..776549c2bf4 100644
--- a/src/modules/app_java/doc/app_java.xml
+++ b/src/modules/app_java/doc/app_java.xml
@@ -29,7 +29,7 @@
 	</copyright>
     </bookinfo>
     <toc></toc>
-    
+
     <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="app_java_admin.xml"/>
-    
+
 </book>
diff --git a/src/modules/app_java/doc/app_java_admin.xml b/src/modules/app_java/doc/app_java_admin.xml
index 23002517738..93afd3c2429 100644
--- a/src/modules/app_java/doc/app_java_admin.xml
+++ b/src/modules/app_java/doc/app_java_admin.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding='utf-8'?>
 
-<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" 
+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
 	"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
 
 <!-- Include general documentation entities -->
@@ -12,9 +12,9 @@
 <!-- Module User's Guide -->
 
 <chapter>
-    
+
     <title>&adminguide;</title>
-    
+
     <!-- Section Overview -->
     <section>
 		<title>Overview</title>
@@ -25,7 +25,7 @@
 		</para>
     </section>
 	<!-- end op section Overview -->
-	
+
 	<!-- Section Dependencies -->
     <section>
 		<title>Dependencies</title>
@@ -44,7 +44,7 @@
 		    </para>
 		</section>
     	<!-- End of section Modules -->
-    	
+
     	<!-- Section External Libraries or Applications -->
 		<section>
 		    <title>External Libraries or Applications</title>
@@ -52,7 +52,7 @@
 <!--
 			The following libraries or applications must be installed before running
 			&kamailio; with this module loaded:
--->			
+-->
 		    	<itemizedlist>
 		    		<para><emphasis>The following packages are runtime libraries, required to launch</emphasis></para>
 		    		<listitem override="disc"><para><emphasis>java-common</emphasis> Base of all Java packages.</para></listitem>
@@ -84,7 +84,7 @@
     	<!-- end of section External Libraries or Applications -->
     </section>
 	<!-- end of section Dependencies -->
-	
+
 	<!-- Section Java Runtime -->
 	<section>
 		<title>Java runtime</title>
@@ -94,7 +94,7 @@
 		</section>
 	</section>
 	<!-- end of section Java Runtime -->
-	
+
 	<!-- Section Parameters -->
 	<section>
 		<title>Parameters</title>
@@ -167,7 +167,7 @@ modparam("app_java", "java_options", "-Djava.compiler=NONE")
 				<programlisting format="linespecific">
 ...
 # Assumes "application java folder" is located at /opt/kamailio/java
-modparam("app_java", "java_options", "-Djava.compiler=NONE 
+modparam("app_java", "java_options", "-Djava.compiler=NONE
     -Djava.class.path=/path/to/kamailio/modules:/opt/kamailio/java:
     /opt/kamailio/java/kamailio.jar")
 ...
@@ -178,7 +178,7 @@ modparam("app_java", "java_options", "-Djava.compiler=NONE
 				<programlisting format="linespecific">
 ...
 # Assumes "application java folder" is located at /opt/kamailio/java
-modparam("app_java", "java_options", "-verbose:gc,class,jni 
+modparam("app_java", "java_options", "-verbose:gc,class,jni
     -Djava.compiler=NONE -Djava.class.path=/path/to/kamailio/modules:
     /opt/kamailio/java:/opt/kamailio/java/kamailio.jar")
 ...
@@ -189,7 +189,7 @@ modparam("app_java", "java_options", "-verbose:gc,class,jni
 				<programlisting format="linespecific">
 ...
 # Assumes "application java folder" is located at /opt/kamailio/java
-modparam("app_java", "java_options", "-Xdebug -verbose:gc,class,jni 
+modparam("app_java", "java_options", "-Xdebug -verbose:gc,class,jni
     -Djava.compiler=NONE -Djava.class.path=/path/to/kamailio/modules:
     /opt/kamailio/java:/opt/kamailio/java/kamailio.jar")
 ...
@@ -220,11 +220,11 @@ modparam("app_java", "force_cmd_exec", 1)
 		</section>
 	</section>
 	<!-- End of section Parameters -->
-	
+
 	<!-- Section Functions -->
     <section>
 		<title>Functions</title>
-    	
+
     	<!-- Section Common requirements -->
     	<section>
     		<title>
@@ -236,25 +236,25 @@ modparam("app_java", "force_cmd_exec", 1)
 				Signature represents the variable type. The mapping between the Java type and C type
 				is
 				<programlisting format="linespecific">
-		Type     Chararacter 
-		boolean      Z 
-		byte         B 
-		char         C 
-		double       D 
-		float        F 
-		int          I 
-		long         J 
-		object       L 
-		short        S 
-		void         V 
-		Note that to specify an object, the "L" is followed by the 
+		Type     Chararacter
+		boolean      Z
+		byte         B
+		char         C
+		double       D
+		float        F
+		int          I
+		long         J
+		object       L
+		short        S
+		void         V
+		Note that to specify an object, the "L" is followed by the
 		object's class name and ends with a semi-colon, ';' .
     			</programlisting>
 			</para>
     		<para> app_java supports the following signatures:
 				<programlisting format="linespecific">
 		Primitives: Z,B,C,D,F,I,J,L,S,V
-		Objects: 
+		Objects:
 			Ljava/lang/Boolean;
 			Ljava/lang/Byte;
 			Ljava/lang/Character;
@@ -267,7 +267,7 @@ modparam("app_java", "force_cmd_exec", 1)
 			NULL parameter: V
 
 	Each parameter passed to function will be cast according to given signature.
-	
+
 	Parameters are optional, omitting a parameter meant the passed value is NULL.
 	Parameters count should be exactly the same as signature count.
 	Note 1: Arrays representation (symbol '[') is not supported yet.
@@ -278,10 +278,10 @@ modparam("app_java", "force_cmd_exec", 1)
 </programlisting>
 			</para>
 
- 
+
     	</section>
     	<!-- End of section Common Requirements -->
-  
+
     	<!-- Section java_method_exec -->
 	<section id="app_java.f.java_method_exec">
     		<title>java_method_exec(method, method_signature, [param1[, param2[, ...]]])</title>
@@ -308,7 +308,7 @@ public int ExampleMethod()
 </programlisting>
 			    	</example>
 	    		</listitem>
-    			
+
 	    		<listitem>
 	    			<example>
 	    				<title>Signature: "Ljava/lang/String;I"</title>
@@ -389,7 +389,7 @@ public static int ExampleMethod()
 </programlisting>
     				</example>
     			</listitem>
-    			
+
     			<listitem>
     				<example>
     					<title>Signature: "Ljava/lang/String;I"</title>
@@ -412,7 +412,7 @@ public static int ExampleMethod(String SipMessageBuffer, int SipMessageLength)
 </programlisting>
     				</example>
     			</listitem>
-    			
+
     			<listitem>
     				<example>
     					<title>Signature: "ZB"</title>
@@ -439,11 +439,11 @@ public static int ExampleMethod(boolean flagSet, byte bFlag);
 </programlisting>
     				</example>
     			</listitem>
-    			
+
     		</itemizedlist>
     	</section>
     	<!-- end of section java_staticmethod_exec -->
-    	
+
     	<!-- Section java_s_method_exec -->
 	<section id="app_java.f.java_s_method_exec">
     		<title>java_s_method_exec(method, method_signature, [param1[, param2[, ...]]])</title>
@@ -471,7 +471,7 @@ public synchronized int ExampleMethod()
 </programlisting>
     				</example>
     			</listitem>
-    			
+
     			<listitem>
     				<example>
     					<title>Signature: "Ljava/lang/String;I"</title>
@@ -494,7 +494,7 @@ public synchronized int ExampleMethod(String SipMessageBuffer, int SipMessageLen
 </programlisting>
     				</example>
     			</listitem>
-    			
+
     			<listitem>
     				<example>
     					<title>Signature: "ZB"</title>
@@ -521,11 +521,11 @@ public synchronized int ExampleMethod(boolean flagSet, byte bFlag);
 </programlisting>
     				</example>
     			</listitem>
-    			
+
     		</itemizedlist>
     	</section>
     	<!-- end of section java_s_method_exec -->
-    	
+
     	<!-- Section java_s_staticmethod_exec -->
 	<section id="app_java.f.java_s_staticmethod_exec">
     		<title>java_s_staticmethod_exec(method, method_signature, [param1[, param2[, ...]]])</title>
@@ -553,7 +553,7 @@ public static synchronized int ExampleMethod()
 </programlisting>
     				</example>
     			</listitem>
-    			
+
     			<listitem>
     				<example>
     					<title>Signature: "Ljava/lang/String;I"</title>
@@ -576,7 +576,7 @@ public static synchronized int ExampleMethod(String SipMessageBuffer, int SipMes
 </programlisting>
     				</example>
     			</listitem>
-    			
+
     			<listitem>
     				<example>
     					<title>Signature: "ZB"</title>
@@ -603,19 +603,19 @@ public static synchronized int ExampleMethod(boolean flagSet, byte bFlag);
 </programlisting>
     				</example>
     			</listitem>
-    			
+
     		</itemizedlist>
     	</section>
     	<!-- end of section java_s_method_exec -->
 
     </section>
 	<!-- End of section Functions -->
-	
+
 	<!-- Section Java API-->
     <section>
 		<title>Java Module API</title>
     	<para></para>
-    	
+
     	<!-- Section Minimal program skeleton -->
     	<section>
     		<title>Minimal program skeleton</title>
@@ -653,9 +653,9 @@ public class Kamailio extends NativeMethods
     		</example>
     	</section>
     	<!-- End of section Minimal program skeleton -->
-    	
+
     </section>
 	<!-- End of section Java API -->
-	
+
 </chapter>