Hi guys i am getting this error while starting 5.6 jar

Unable to compile class for JSP: An error occurred at line: 98 in the jsp file: /libs/granite/core/components/login/login.jsp The type java.lang.CharSequence cannot be resolved. It is indirectly referenced from required .class files 95: ? request.getParameter(PARAM_NAME_REASON) 96: : ""; 97: 98: if (!StringUtils.isEmpty(reason)) { 99: if (validReasons.containsKey(reason)) { 100: reason = validReasons.get(reason); 101: } else { An error occurred at line: 98 in the jsp file: /libs/granite/core/components/login/login.jsp The method isEmpty(CharSequence) in the type StringUtils is not applicable for the arguments (String) 95: ? request.getParameter(PARAM_NAME_REASON) 96: : ""; 97: 98: if (!StringUtils.isEmpty(reason)) { 99: if (validReasons.containsKey(reason)) { 100: reason = validReasons.get(reason); 101: } else {

Cannot serve request to /libs/granite/core/content/login.html in /libs/granite/core/components/login/login.jsp

Exception:

org.apache.sling.scripting.jsp.jasper.JasperException: Unable to compile class for JSP:  An error occurred at line: 98 in the jsp file: /libs/granite/core/components/login/login.jsp The type java.lang.CharSequence cannot be resolved. It is indirectly referenced from required .class files 95:             ? request.getParameter(PARAM_NAME_REASON) 96:             : ""; 97: 98:      if (!StringUtils.isEmpty(reason)) { 99:           if (validReasons.containsKey(reason)) { 100:                reason = validReasons.get(reason); 101:           } else {   An error occurred at line: 98 in the jsp file: /libs/granite/core/components/login/login.jsp The method isEmpty(CharSequence) in the type StringUtils is not applicable for the arguments (String) 95:             ? request.getParameter(PARAM_NAME_REASON) 96:             : ""; 97: 98:      if (!StringUtils.isEmpty(reason)) { 99:           if (validReasons.containsKey(reason)) { 100:                reason = validReasons.get(reason); 101:           } else {  at org.apache.sling.scripting.jsp.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:92) at org.apache.sling.scripting.jsp.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330) at org.apache.sling.scripting.jsp.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:421) at org.apache.sling.scripting.jsp.jasper.compiler.Compiler.compile(Compiler.java:312) at org.apache.sling.scripting.jsp.jasper.compiler.Compiler.compile(Compiler.java:290) at org.apache.sling.scripting.jsp.jasper.compiler.Compiler.compile(Compiler.java:277) at org.apache.sling.scripting.jsp.jasper.JspCompilationContext.compile(JspCompilationContext.java:501) at org.apache.sling.scripting.jsp.jasper.servlet.JspServletWrapper.prepareServlet(JspServletWrapper.java:427) at org.apache.sling.scripting.jsp.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:486) at org.apache.sling.scripting.jsp.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:449) at org.apache.sling.scripting.jsp.JspScriptEngineFactory.callJsp(JspScriptEngineFactory.java:241) at org.apache.sling.scripting.jsp.JspScriptEngineFactory.access$100(JspScriptEngineFactory.java:86) at org.apache.sling.scripting.jsp.JspScriptEngineFactory$JspScriptEngine.eval(JspScriptEngineFactory.java:441) at org.apache.sling.scripting.core.impl.DefaultSlingScript.call(DefaultSlingScript.java:361) at org.apache.sling.scripting.core.impl.DefaultSlingScript.eval(DefaultSlingScript.java:171) at org.apache.sling.scripting.core.impl.DefaultSlingScript.service(DefaultSlingScript.java:463) at org.apache.sling.engine.impl.request.RequestData.service(RequestData.java:508) at org.apache.sling.engine.impl.filter.SlingComponentFilterChain.render(SlingComponentFilterChain.java:45) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:64) at com.day.cq.wcm.core.impl.WCMDebugFilter.doFilter(WCMDebugFilter.java:148) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60) at com.day.cq.wcm.core.impl.WCMComponentFilter.filterRootInclude(WCMComponentFilter.java:333) at com.day.cq.wcm.core.impl.WCMComponentFilter.doFilter(WCMComponentFilter.java:160) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60) at org.apache.sling.engine.impl.SlingRequestProcessorImpl.processComponent(SlingRequestProcessorImpl.java:254) at org.apache.sling.engine.impl.filter.RequestSlingFilterChain.render(RequestSlingFilterChain.java:49) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:64) at com.day.cq.wcm.core.impl.warp.TimeWarpFilter.doFilter(TimeWarpFilter.java:106) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60) at com.day.cq.wcm.mobile.core.impl.redirect.RedirectFilter.doFilter(RedirectFilter.java:290) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60) at org.apache.sling.engine.impl.debug.RequestProgressTrackerLogFilter.doFilter(RequestProgressTrackerLogFilter.java:59) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60) at com.day.cq.wcm.foundation.forms.impl.FormsHandlingServlet.doFilter(FormsHandlingServlet.java:220) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60) at com.day.cq.theme.impl.ThemeResolverFilter.doFilter(ThemeResolverFilter.java:76) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60) at com.adobe.granite.optout.impl.OptOutFilter.doFilter(OptOutFilter.java:74) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60) at com.day.cq.wcm.core.impl.WCMRequestFilter.doFilter(WCMRequestFilter.java:90) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60) at com.day.cq.wcm.designimporter.CanvasPageDeleteRequestFilter.doFilter(CanvasPageDeleteRequestFilter.java:87) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60) at org.apache.sling.rewriter.impl.RewriterFilter.doFilter(RewriterFilter.java:83) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60) at org.apache.sling.i18n.impl.I18NFilter.doFilter(I18NFilter.java:127) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60) at org.apache.sling.bgservlets.impl.BackgroundServletStarterFilter.doFilter(BackgroundServletStarterFilter.java:135) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60) at org.apache.sling.startupfilter.impl.StartupFilterImpl.doFilter(StartupFilterImpl.java:89) at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60) at org.apache.sling.engine.impl.SlingRequestProcessorImpl.processRequest(SlingRequestProcessorImpl.java:151) at org.apache.sling.engine.impl.SlingMainServlet.service(SlingMainServlet.java:206) at org.apache.felix.http.base.internal.handler.ServletHandler.doHandle(ServletHandler.java:96) at org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHandler.java:79) at org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletPipeline.java:42) at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:49) at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33) at org.apache.sling.i18n.impl.I18NFilter.doFilter(I18NFilter.java:127) at org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHandler.java:88) at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:76) at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:47) at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33) at org.apache.felix.http.sslfilter.internal.SslFilter.doFilter(SslFilter.java:55) at org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHandler.java:88) at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:76) at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:47) at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33) at org.apache.sling.security.impl.ReferrerFilter.doFilter(ReferrerFilter.java:259) at org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHandler.java:88) at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:76) at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:47) at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33) at com.adobe.granite.license.impl.LicenseCheckFilter.doFilter(LicenseCheckFilter.java:157) at org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHandler.java:88) at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:76) at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:47) at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33) at org.apache.sling.engine.impl.log.RequestLoggerFilter.doFilter(RequestLoggerFilter.java:75) at org.apache.felix.http.base.internal.handler.FilterHandler.doHandle(FilterHandler.java:88) at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:76) at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:47) at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33) at org.apache.felix.http.base.internal.dispatch.FilterPipeline.dispatch(FilterPipeline.java:48) at org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.java:39) at org.apache.felix.http.base.internal.DispatcherServlet.service(DispatcherServlet.java:67) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at com.day.j2ee.servletengine.ServletRuntimeEnvironment.service(ServletRuntimeEnvironment.java:250) at com.day.j2ee.servletengine.RequestDispatcherImpl.doFilter(RequestDispatcherImpl.java:321) at com.day.j2ee.servletengine.RequestDispatcherImpl.service(RequestDispatcherImpl.java:340) at com.day.j2ee.servletengine.RequestDispatcherImpl.service(RequestDispatcherImpl.java:383) at com.day.j2ee.servletengine.ServletHandlerImpl.process(ServletHandlerImpl.java:360) at com.day.j2ee.servletengine.HttpListener$Worker.run(HttpListener.java:644) at java.lang.Thread.run(Unknown Source) 

Request Progress:

      0 (2017-10-05 11:03:56) TIMER_START{Request Processing} 0 (2017-10-05 11:03:56) COMMENT timer_end format is {<elapsed msec>,<timer name>} <optional message> 0 (2017-10-05 11:03:56) LOG Method=GET, PathInfo=/libs/granite/core/content/login.html 1 (2017-10-05 11:03:56) TIMER_START{ResourceResolution} 3 (2017-10-05 11:03:56) TIMER_END{2,ResourceResolution} URI=/libs/granite/core/content/login.html resolves to Resource=, type=granite/core/components/login, path=/libs/granite/core/content/login, resource=[JcrNodeResource, type=granite/core/components/login, superType=null, path=/libs/granite/core/content/login] 4 (2017-10-05 11:03:56) LOG Resource Path Info: SlingRequestPathInfo: path='/libs/granite/core/content/login', selectorString='null', extension='html', suffix='null' 4 (2017-10-05 11:03:56) TIMER_START{ServletResolution} 5 (2017-10-05 11:03:56) TIMER_START{resolveServlet(, type=granite/core/components/login, path=/libs/granite/core/content/login, resource=[JcrNodeResource, type=granite/core/components/login, superType=null, path=/libs/granite/core/content/login])} 56 (2017-10-05 11:03:56) TIMER_END{51,resolveServlet(, type=granite/core/components/login, path=/libs/granite/core/content/login, resource=[JcrNodeResource, type=granite/core/components/login, superType=null, path=/libs/granite/core/content/login])} Using servlet /libs/granite/core/components/login/login.jsp 56 (2017-10-05 11:03:56) TIMER_END{52,ServletResolution} URI=/libs/granite/core/content/login.html handled by Servlet=/libs/granite/core/components/login/login.jsp 57 (2017-10-05 11:03:56) LOG Applying Requestfilters 57 (2017-10-05 11:03:56) LOG Calling filter: org.apache.sling.startupfilter.impl.StartupFilterImpl 61 (2017-10-05 11:03:56) LOG Calling filter: org.apache.sling.bgservlets.impl.BackgroundServletStarterFilter 61 (2017-10-05 11:03:56) LOG Calling filter: org.apache.sling.i18n.impl.I18NFilter 61 (2017-10-05 11:03:56) LOG Calling filter: org.apache.sling.rewriter.impl.RewriterFilter 64 (2017-10-05 11:03:56) LOG Calling filter: com.day.cq.wcm.designimporter.CanvasPageDeleteRequestFilter 64 (2017-10-05 11:03:56) LOG Calling filter: com.day.cq.wcm.core.impl.WCMRequestFilter 64 (2017-10-05 11:03:56) LOG Calling filter: com.adobe.granite.optout.impl.OptOutFilter 64 (2017-10-05 11:03:56) LOG Calling filter: com.day.cq.theme.impl.ThemeResolverFilter 64 (2017-10-05 11:03:56) LOG Calling filter: com.day.cq.wcm.foundation.forms.impl.FormsHandlingServlet 64 (2017-10-05 11:03:56) LOG Calling filter: org.apache.sling.engine.impl.debug.RequestProgressTrackerLogFilter 64 (2017-10-05 11:03:56) LOG Calling filter: com.day.cq.wcm.mobile.core.impl.redirect.RedirectFilter 67 (2017-10-05 11:03:56) LOG RedirectFilter did not redirect (request path does not match) 67 (2017-10-05 11:03:56) LOG Calling filter: com.day.cq.wcm.core.impl.warp.TimeWarpFilter 67 (2017-10-05 11:03:56) LOG Applying Componentfilters 67 (2017-10-05 11:03:56) LOG Calling filter: com.day.cq.wcm.core.impl.WCMComponentFilter 71 (2017-10-05 11:03:56) LOG Calling filter: com.day.cq.wcm.core.impl.WCMDebugFilter 73 (2017-10-05 11:03:56) TIMER_START{/libs/granite/core/components/login/login.jsp#0} 1081 (2017-10-05 11:03:57) LOG SCRIPT ERROR: org.apache.sling.scripting.jsp.jasper.JasperException: Unable to compile class for JSP: //An error occurred at line: 98 in the jsp file: /libs/granite/core/components/login/login.jsp/The type java.lang.CharSequence cannot be resolved. It is indirectly referenced from required .class files/95:             ? request.getParameter(PARAM_NAME_REASON)/96:             : "";/97:             /98:      if (!StringUtils.isEmpty(reason)) {/99:           if (validReasons.containsKey(reason)) {/100:                reason = validReasons.get(reason);/101:           } else {///An error occurred at line: 98 in the jsp file: /libs/granite/core/components/login/login.jsp/The method isEmpty(CharSequence) in the type StringUtils is not applicable for the arguments (String)/95:             ? request.getParameter(PARAM_NAME_REASON)/96:             : "";/97:             /98:      if (!StringUtils.isEmpty(reason)) {/99:           if (validReasons.containsKey(reason)) {/100:                reason = validReasons.get(reason);/101:           } else {/ 1081 (2017-10-05 11:03:57) TIMER_END{1008,/libs/granite/core/components/login/login.jsp#0} 1082 (2017-10-05 11:03:57) LOG Applying Error filters 1082 (2017-10-05 11:03:57) LOG Calling filter: org.apache.sling.rewriter.impl.RewriterFilter 1082 (2017-10-05 11:03:57) TIMER_START{handleError:throwable=org.apache.sling.scripting.jsp.jasper.JasperException} 1111 (2017-10-05 11:03:57) TIMER_END{29,handleError:throwable=org.apache.sling.scripting.jsp.jasper.JasperException} Using handler /libs/sling/servlet/errorhandler/default.jsp 1281 (2017-10-05 11:03:57) LOG Found processor for post processing ProcessorConfiguration: {contentTypes=[text/html],order=-1, active=true, valid=true, processErrorResponse=true, pipeline=(generator=Config(type=htmlparser, config={}), transformers=(Config(type=linkchecker, config={}), Config(type=mobile, config=org.apache.sling.jcr.resource.JcrPropertyMap@7879b5d5), Config(type=mobiledebug, config=org.apache.sling.jcr.resource.JcrPropertyMap@36982b30), Config(type=contentsync, config=org.apache.sling.jcr.resource.JcrPropertyMap@761deb07), serializer=Config(type=htmlwriter, config={}))} 1285 (2017-10-05 11:03:57) TIMER_END{1285,Request Processing} Dumping SlingRequestProgressTracker Entries 

Thanks in advance