spring - java.lang.NullPointerException at com.ibm.ws.webcontainer.filter.WebAppFilterManager.getFilterChainContents -

i have war application (spring + jsf1.2/richfaces + hibernate) running on was8.5 server, when try access http://localhost:9080/name_app/login.xhtml, java.lang.nullpointerexception coming server internal source, below log trace of error :

[28/01/16 09:45:06:325 wet]     ffdc exception:java.lang.nullpointerexception sourceid:com.ibm.ws.webcontainer.filter.webappfiltermanager.invokefilters -re probeid:1123 reporter:com.ibm.ws.webcontainer.filter.webappfiltermanagerimpl@9afb2765 java.lang.nullpointerexception     @ com.ibm.ws.webcontainer.filter.webappfiltermanager.getfilterchaincontents(webappfiltermanager.java:775)     @ com.ibm.ws.webcontainer.filter.webappfiltermanager.getfilterchain(webappfiltermanager.java:379)     @ com.ibm.ws.webcontainer.filter.webappfiltermanager.dofilter(webappfiltermanager.java:931)     @ com.ibm.ws.webcontainer.filter.webappfiltermanager.invokefilters(webappfiltermanager.java:1107)     @ com.ibm.ws.webcontainer.webapp.webapp.handlerequest(webapp.java:3926)     @ com.ibm.ws.webcontainer.webapp.webgroup.handlerequest(webgroup.java:304)     @ com.ibm.ws.webcontainer.webcontainer.handlerequest(webcontainer.java:1007)     @ com.ibm.ws.webcontainer.wswebcontainer.handlerequest(wswebcontainer.java:1817)     @ com.ibm.ws.webcontainer.channel.wcchannellink.ready(wcchannellink.java:200)     @ com.ibm.ws.http.channel.inbound.impl.httpinboundlink.handlediscrimination(httpinboundlink.java:463)     @ com.ibm.ws.http.channel.inbound.impl.httpinboundlink.handlenewrequest(httpinboundlink.java:530)     @ com.ibm.ws.http.channel.inbound.impl.httpinboundlink.processrequest(httpinboundlink.java:316)     @ com.ibm.ws.http.channel.inbound.impl.httpinboundlink.ready(httpinboundlink.java:287)     @ com.ibm.ws.tcp.channel.impl.newconnectioninitialreadcallback.sendtodiscriminators(newconnectioninitialreadcallback.java:214)     @ com.ibm.ws.tcp.channel.impl.newconnectioninitialreadcallback.complete(newconnectioninitialreadcallback.java:113)     @ com.ibm.ws.tcp.channel.impl.aioreadcompletionlistener.futurecompleted(aioreadcompletionlistener.java:175)     @ com.ibm.io.async.abstractasyncfuture.invokecallback(abstractasyncfuture.java:217)     @ com.ibm.io.async.asyncchannelfuture.firecompletionactions(asyncchannelfuture.java:161)     @ com.ibm.io.async.asyncfuture.completed(asyncfuture.java:138)     @ com.ibm.io.async.resulthandler.complete(resulthandler.java:204)     @ com.ibm.io.async.resulthandler.runeventprocessingloop(resulthandler.java:775)     @ com.ibm.io.async.resulthandler$2.run(resulthandler.java:905)     @ com.ibm.ws.util.threadpool$worker.run(threadpool.java:1881) 

web.xml :

<?xml version="1.0" encoding="utf-8"?> <web-app id="auth_super_admin_webapp" version="3.0" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/xmlschema-instance"  xsi:schemalocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">       <description>antij project web.xml</description>     <display-name>antij -authforte-user-admin-web</display-name>     <context-param>         <param-name>org.richfaces.skin</param-name>         <param-value>classic</param-value>     </context-param>     <!-- added , doesn't affect-->     <context-param>         <param-name>javax.faces.project_stage</param-name>         <param-value>development</param-value>     </context-param>     <context-param>         <param-name>com.sun.faces.enableviewstateidrendering</param-name>         <param-value>false</param-value>     </context-param>     <context-param>         <param-name>com.sun.faces.verifyobjects</param-name>         <param-value>false</param-value>     </context-param>     <context-param>         <param-name>contextconfiglocation</param-name>         <param-value>web-inf/web-context.xml</param-value>     </context-param>     <context-param>         <param-name>facelets.refresh_period</param-name>         <param-value>1</param-value>     </context-param>     <context-param>         <param-name>facelets.skip_comments</param-name>         <param-value>true</param-value>     </context-param>     <context-param>         <param-name>javax.faces.default_suffix</param-name>         <param-value>.xhtml</param-value>     </context-param> <!--    <context-param> --> <!--        <param-name>javax.faces.state_saving_method</param-name> --> <!--        <param-value>server</param-value> --> <!--    </context-param> -->     <context-param>         <description>         state saving method: 'client' or 'server' (=default). see jsf specification 2.5.2</description>         <param-name>javax.faces.state_saving_method</param-name>         <param-value>client</param-value>     </context-param>     <context-param>         <param-name>javax.servlet.jsp.jstl.fmt.localizationcontext</param-name>         <param-value>resources.application</param-value>     </context-param>    <context-param>   <param-name>facelets.libraries</param-name>   <param-value>/web-inf/components/antij.taglib.xml</param-value>  </context-param> <!--   -->       <filter>         <filter-name>extensionsfilter</filter-name>         <filter-class>org.apache.myfaces.webapp.filter.extensionsfilter</filter-class>         <init-param>             <description>set size limit uploaded files. format: 10 - 10 bytes 10k - 10 kb 10m - 10 mb 1g - 1 gb </description>             <param-name>uploadmaxfilesize</param-name>             <param-value>100m</param-value>         </init-param>         <init-param>             <description>set threshold size - files below limit stored in memory, files above limit stored on disk. format: 10 - 10 bytes 10k - 10 kb 10m - 10 mb 1g - 1 gb </description>             <param-name>uploadthresholdsize</param-name>             <param-value>100k</param-value>         </init-param>     </filter>     <filter>         <display-name>richfaces filter</display-name>         <filter-name>richfaces</filter-name>         <filter-class>org.ajax4jsf.filter</filter-class>     </filter>     <filter>         <filter-name>springsecurityfilterchain</filter-name>         <filter-class>org.springframework.web.filter.delegatingfilterproxy</filter-class>     </filter>     <filter-mapping>         <filter-name>richfaces</filter-name>         <servlet-name>faces servlet</servlet-name>         <dispatcher>request</dispatcher>         <dispatcher>forward</dispatcher>         <dispatcher>include</dispatcher>     </filter-mapping>     <filter-mapping>         <filter-name>extensionsfilter</filter-name>         <servlet-name>*.xhtml</servlet-name>     </filter-mapping>     <filter-mapping>         <filter-name>springsecurityfilterchain</filter-name>         <url-pattern>/*</url-pattern>     </filter-mapping>      <!-- listener load spring beans -->     <listener>         <listener-class>org.springframework.web.context.contextloaderlistener</listener-class>     </listener>     <listener>         <listener-class>com.sun.faces.config.configurelistener</listener-class>     </listener>     <!-- faces servlet -->     <servlet>         <servlet-name>faces servlet</servlet-name>         <servlet-class>javax.faces.webapp.facesservlet</servlet-class>         <load-on-startup>1</load-on-startup>     </servlet>     <!-- faces servlet mapping -->     <servlet-mapping>         <servlet-name>faces servlet</servlet-name>         <url-pattern>*.xhtml</url-pattern>     </servlet-mapping>      <welcome-file-list>         <welcome-file>/modules/index.xhtml</welcome-file>     </welcome-file-list>     <!--     <resource-ref>         <description>my data source.</description>         <res-ref-name>acs_3ds</res-ref-name>         <res-type>javax.sql.datasource</res-type>         <res-auth>container</res-auth>     </resource-ref>-->      <!-- resource ref websphere -->       <resource-ref>        <res-ref-name>jdbc/acs_3ds_websphere_db</res-ref-name>        <res-type>javax.sql.datasource</res-type>        <res-auth>container</res-auth>        <res-sharing-scope>shareable</res-sharing-scope>     </resource-ref>      <persistence-unit-ref>        <persistence-unit-ref-name>persistence/authentification-forte-user-admin-entitymanager-pu</persistence-unit-ref-name>        <persistence-unit-name>authentification-forte-user-admin-entitymanager-pu</persistence-unit-name>     </persistence-unit-ref> </web-app> 

according log trace didn't originate in own code, think it's misconfiguration in web.xml , not sure.

how caused , how can solve it?