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  1. ,
    via GitHub by Samsu7609

    Using DrawerToggle from support library is quite basic solution. This project is deprecated.

java.lang.NullPointerException: 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.kuali.rice.ksb.messaging.KSBClientProxy.invoke(KSBClientProxy.java:61)	at $Proxy80.getAuthorizedPermissionsByTemplateName(Unknown Source)	at org.kuali.student.core.assembly.transform.AuthorizationFilter.getFieldAccessPermissions(AuthorizationFilter.java:205)	at org.kuali.student.core.assembly.transform.AuthorizationFilter.applyPermissionsToMetadata(AuthorizationFilter.java:168)	at org.kuali.student.core.assembly.transform.AuthorizationFilter.applyMetadataFilter(AuthorizationFilter.java:95)	at org.kuali.student.core.assembly.transform.TransformationManager.applyMetadataFilters(TransformationManager.java:144)	at org.kuali.student.core.assembly.transform.TransformationManager.getMetadata(TransformationManager.java:137)	at org.kuali.student.common.ui.server.gwt.AbstractDataService.getMetadata(AbstractDataService.java:108)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307)	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)	at $Proxy156.getMetadata(Unknown Source)	at org.kuali.student.common.ui.server.gwt.DataGwtServlet.getMetadata(DataGwtServlet.java:56)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:562)	at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:188)	at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:224)	at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)	at org.kuali.student.common.ws.ServletWrappingController.handleRequestInternal(ServletWrappingController.java:96)	at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)	at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:875)	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:807)	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:571)	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:511)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:378)	at org.springframework.security.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:109)	at org.springframework.security.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)	at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)	at org.springframework.security.ui.SessionFixationProtectionFilter.doFilterHttp(SessionFixationProtectionFilter.java:67)	at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)	at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)	at org.springframework.security.ui.ExceptionTranslationFilter.doFilterHttp(ExceptionTranslationFilter.java:101)	at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)	at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)	at org.springframework.security.wrapper.SecurityContextHolderAwareRequestFilter.doFilterHttp(SecurityContextHolderAwareRequestFilter.java:91)	at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)	at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)	at org.springframework.security.ui.AbstractProcessingFilter.doFilterHttp(AbstractProcessingFilter.java:277)	at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)	at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)	at org.kuali.student.security.filter.AuthenticationGwtRpcFilter.doFilterHttp(AuthenticationGwtRpcFilter.java:44)	at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)	at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)	at org.kuali.student.security.filter.KSLogoutFilter.doFilterHttp(KSLogoutFilter.java:89)	at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)	at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)	at org.springframework.security.context.HttpSessionContextIntegrationFilter.doFilterHttp(HttpSessionContextIntegrationFilter.java:235)	at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)	at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390)	at org.springframework.security.util.FilterChainProxy.doFilter(FilterChainProxy.java:175)	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:236)	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)	at java.lang.Thread.run(Thread.java:619)