Failed to deploy war in EAP 7.0.0, error shows "Duplicate Filter registration for ..."

When deployed attached "ugspa.war" into EAP 7.0.0 GA, error shows:
~~~
2016-06-23 08:53:11,036 ERROR [org.jboss.msc.service.fail] (ServerService Thread Pool – 76) MSC000001: Failed to start service jboss.undertow.deployment.default-server.default-host./ugspa: org.jboss.msc.service.StartException in service jboss.undertow.deployment.default-server.default-host./ugspa: java.lang.RuntimeException: java.lang.IllegalStateException: Duplicate Filter registration for 'multipartFilter'. Check to ensure the Filter is only configured once.
at org.wildfly.extension.undertow.deployment.UndertowDeploymentService$1.run(UndertowDeploymentService.java:85)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
at org.jboss.threads.JBossThread.run(JBossThread.java:320)
Caused by: java.lang.RuntimeException: java.lang.IllegalStateException: Duplicate Filter registration for 'multipartFilter'. Check to ensure the Filter is only configured once.
at io.undertow.servlet.core.DeploymentManagerImpl.deploy(DeploymentManagerImpl.java:231)
at org.wildfly.extension.undertow.deployment.UndertowDeploymentService.startContext(UndertowDeploymentService.java:100)
at org.wildfly.extension.undertow.deployment.UndertowDeploymentService$1.run(UndertowDeploymentService.java:82)
... 6 more
Caused by: java.lang.IllegalStateException: Duplicate Filter registration for 'multipartFilter'. Check to ensure the Filter is only configured once.
at org.springframework.security.web.context.AbstractSecurityWebApplicationInitializer.registerFilter(AbstractSecurityWebApplicationInitializer.java:216)
at org.springframework.security.web.context.AbstractSecurityWebApplicationInitializer.registerFilters(AbstractSecurityWebApplicationInitializer.java:198)
at org.springframework.security.web.context.AbstractSecurityWebApplicationInitializer.insertFilters(AbstractSecurityWebApplicationInitializer.java:162)
at sg.edu.nus.ugspa.config.security.SecurityWebApplicationInitializer.beforeSpringSecurityFilterChain(SecurityWebApplicationInitializer.java:11)
at org.springframework.security.web.context.AbstractSecurityWebApplicationInitializer.onStartup(AbstractSecurityWebApplicationInitializer.java:112)
at org.springframework.web.SpringServletContainerInitializer.onStartup(SpringServletContainerInitializer.java:175)
at io.undertow.servlet.core.DeploymentManagerImpl.deploy(DeploymentManagerImpl.java:184)
... 8 more
--And if deploy again--
2016-06-23 09:30:30,819 ERROR [org.jboss.msc.service.fail] (ServerService Thread Pool – 136) MSC000001: Failed to start service jboss.undertow.deployment.default-server.default-host./ugspa: org.jboss.msc.service.StartException in service jboss.undertow.deployment.default-server.default-host./ugspa: java.lang.RuntimeException: java.lang.NullPointerException
at org.wildfly.extension.undertow.deployment.UndertowDeploymentService$1.run(UndertowDeploymentService.java:85)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
at org.jboss.threads.JBossThread.run(JBossThread.java:320)
Caused by: java.lang.RuntimeException: java.lang.NullPointerException
at io.undertow.servlet.core.DeploymentManagerImpl.deploy(DeploymentManagerImpl.java:231)
at org.wildfly.extension.undertow.deployment.UndertowDeploymentService.startContext(UndertowDeploymentService.java:100)
at org.wildfly.extension.undertow.deployment.UndertowDeploymentService$1.run(UndertowDeploymentService.java:82)
... 6 more
Caused by: java.lang.NullPointerException
at sg.edu.nus.ugspa.config.web.WebApplicationInitializer.onStartup(WebApplicationInitializer.java:43)
at org.springframework.web.SpringServletContainerInitializer.onStartup(SpringServletContainerInitializer.java:175)
at io.undertow.servlet.core.DeploymentManagerImpl.deploy(DeploymentManagerImpl.java:184)
... 8 more
~~~