Index: lams_tool_doku/web/WEB-INF/web.xml
===================================================================
diff -u -r3f3f34c22194aeaf302e1fd332925dffd35019aa -reccd6838790a4369b6788e48fb5ae5851622fe35
--- lams_tool_doku/web/WEB-INF/web.xml	(.../web.xml)	(revision 3f3f34c22194aeaf302e1fd332925dffd35019aa)
+++ lams_tool_doku/web/WEB-INF/web.xml	(.../web.xml)	(revision eccd6838790a4369b6788e48fb5ae5851622fe35)
@@ -28,6 +28,7 @@
 		<filter-class>
 			org.springframework.orm.hibernate5.support.OpenSessionInViewFilter
 		</filter-class>
+		<async-supported>true</async-supported>
 		<init-param>
 			<param-name>sessionFactoryBeanName</param-name>
 			<param-value>coreSessionFactory</param-value>
@@ -39,12 +40,14 @@
 		<filter-class>
 			org.lamsfoundation.lams.web.session.SystemSessionFilter
 		</filter-class>
+		<async-supported>true</async-supported>
 	</filter>
 	<filter>
 		<filter-name>LocaleFilter</filter-name>
 		<filter-class>
 			org.lamsfoundation.lams.web.filter.LocaleFilter
 		</filter-class>
+		<async-supported>true</async-supported>
 		<init-param>
 			<param-name>encoding</param-name>
 			<param-value>UTF-8</param-value>
@@ -53,23 +56,32 @@
 	<filter>
 		<filter-name>CSRFGuard</filter-name>
 		<filter-class>org.owasp.csrfguard.CsrfGuardFilter</filter-class>
+		<async-supported>true</async-supported>
 	</filter>
 
 	<filter-mapping>
 		<filter-name>hibernateFilter</filter-name>
 		<url-pattern>/*</url-pattern>
+		<dispatcher>REQUEST</dispatcher>
+		<dispatcher>ASYNC</dispatcher>
 	</filter-mapping>
 	<filter-mapping>
 		<filter-name>SystemSessionFilter</filter-name>
 		<url-pattern>/*</url-pattern>
+		<dispatcher>REQUEST</dispatcher>
+		<dispatcher>ASYNC</dispatcher>
 	</filter-mapping>
 	<filter-mapping>
 		<filter-name>LocaleFilter</filter-name>
 		<url-pattern>/*</url-pattern>
+		<dispatcher>REQUEST</dispatcher>
+		<dispatcher>ASYNC</dispatcher>
 	</filter-mapping>
 	<filter-mapping>
 		<filter-name>CSRFGuard</filter-name> 
 		<url-pattern>*.do</url-pattern>
+		<dispatcher>REQUEST</dispatcher>
+		<dispatcher>ASYNC</dispatcher>
 	</filter-mapping>
 
 	<servlet>
@@ -78,6 +90,7 @@
 			org.springframework.web.servlet.DispatcherServlet
 		</servlet-class>
 		<load-on-startup>1</load-on-startup>
+		<async-supported>true</async-supported>
 	</servlet>
 
 	<servlet>
@@ -92,6 +105,7 @@
 			<param-value>false</param-value>
 		</init-param>
 		<load-on-startup>1</load-on-startup>
+		<async-supported>true</async-supported>
 	</servlet>
 
 	<!-- The download servlet, reused from the content repository jar -->
@@ -105,6 +119,7 @@
 			<param-value>dokumaranToolContentHandler</param-value>
 		</init-param>
 		<load-on-startup>3</load-on-startup>
+		<async-supported>true</async-supported>
 	</servlet>
 
 	<servlet-mapping>
@@ -260,4 +275,4 @@
 		<error-code>404</error-code>
 		<location>/404.jsp</location>
 	</error-page>
-</web-app>
+</web-app>
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