java.lang.ClassNotFoundException: org.apache.jsp.html.portlet.dockbar.view_jsp

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  1. ,
    Expert tip

    The server rejects all jars that already belong to the server runtime (such as tomcat-**.jar, servlet**.jar). Consider substituting the CORS filter you're using for this one: https://goo.gl/ctQ7Fs

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    This is thrown when the Java Virtual Machine (JVM) tries to load a particular class and the specified class cannot be found in the classpath. If you are using a Java version less than 8, upgrade because java.util.Base64 only comes with > Java 8.

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org.apache.jsp.html.portlet.dockbar.view_jsp
java.lang.ClassNotFoundException: org.apache.jsp.html.portlet.dockbar.view_jsp	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)	at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:132)	at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:63)	at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:143)	at org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:172)	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369)	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:96)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)	at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:605)	at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:544)	at com.liferay.portal.servlet.DirectServletPathRegisterDispatcher.include(DirectServletPathRegisterDispatcher.java:55)	at com.liferay.portal.servlet.ClassLoaderRequestDispatcherWrapper.doDispatch(ClassLoaderRequestDispatcherWrapper.java:78)	at com.liferay.portal.servlet.ClassLoaderRequestDispatcherWrapper.include(ClassLoaderRequestDispatcherWrapper.java:53)	at com.liferay.taglib.util.IncludeTag.include(IncludeTag.java:295)	at com.liferay.taglib.util.IncludeTag.doInclude(IncludeTag.java:192)	at com.liferay.taglib.util.IncludeTag.doEndTag(IncludeTag.java:83)	at org.apache.jsp.html.portal.render_005fportlet_jsp._jspService(render_005fportlet_jsp.java:1512)	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)	at com.liferay.portal.servlet.DirectRequestDispatcher.include(DirectRequestDispatcher.java:57)	at com.liferay.portal.servlet.ClassLoaderRequestDispatcherWrapper.doDispatch(ClassLoaderRequestDispatcherWrapper.java:78)	at com.liferay.portal.servlet.ClassLoaderRequestDispatcherWrapper.include(ClassLoaderRequestDispatcherWrapper.java:53)	at com.liferay.portlet.PortletContainerImpl._doRender(PortletContainerImpl.java:655)	at com.liferay.portlet.PortletContainerImpl.render(PortletContainerImpl.java:138)	at com.liferay.portlet.SecurityPortletContainerWrapper.render(SecurityPortletContainerWrapper.java:141)	at com.liferay.portlet.RestrictPortletContainerWrapper.render(RestrictPortletContainerWrapper.java:126)	at com.liferay.portal.kernel.portlet.PortletContainerUtil.render(PortletContainerUtil.java:156)	at com.liferay.taglib.portletext.RuntimeTag.doTag(RuntimeTag.java:145)	at com.liferay.taglib.portletext.RuntimeTag.doTag(RuntimeTag.java:68)	at com.liferay.taglib.util.VelocityTaglibImpl.runtime(VelocityTaglibImpl.java:1065)	at com.liferay.taglib.util.VelocityTaglibImpl.runtime(VelocityTaglibImpl.java:1058)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:389)	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:378)	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:270)	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:262)	at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:342)	at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)	at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:212)	at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:247)	at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:175)	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)	at org.apache.velocity.Template.merge(Template.java:328)	at org.apache.velocity.Template.merge(Template.java:235)	at com.liferay.portal.velocity.VelocityTemplate.processTemplate(VelocityTemplate.java:112)	at com.liferay.portal.template.AbstractTemplate.processTemplate(AbstractTemplate.java:108)	at com.liferay.taglib.util.ThemeUtil.doIncludeVM(ThemeUtil.java:511)	at com.liferay.taglib.util.ThemeUtil.doDispatch(ThemeUtil.java:177)	at com.liferay.taglib.util.ThemeUtil.includeVM(ThemeUtil.java:133)	at com.liferay.taglib.util.ThemeUtil.include(ThemeUtil.java:99)	at com.liferay.taglib.theme.IncludeTag.doEndTag(IncludeTag.java:34)	at org.apache.jsp.html.common.themes.portal_jsp._jspx_meth_liferay_002dtheme_005finclude_005f1(portal_jsp.java:572)	at org.apache.jsp.html.common.themes.portal_jsp._jspService(portal_jsp.java:515)	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:169)	at com.liferay.portal.servlet.filters.jsoncontenttype.JSONContentTypeFilter.processFilter(JSONContentTypeFilter.java:42)	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:59)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:204)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:109)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:96)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487)	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:412)	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)	at com.liferay.portal.struts.StrutsUtil.forward(StrutsUtil.java:78)	at com.liferay.portal.struts.PortalRequestProcessor.doForward(PortalRequestProcessor.java:279)	at org.apache.struts.tiles.TilesRequestProcessor.processTilesDefinition(TilesRequestProcessor.java:239)	at org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:302)	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:241)	at com.liferay.portal.struts.PortalRequestProcessor.process(PortalRequestProcessor.java:173)	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)	at com.liferay.portal.servlet.MainServlet.callParentService(MainServlet.java:546)	at com.liferay.portal.servlet.MainServlet.service(MainServlet.java:523)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:169)	at com.liferay.portal.servlet.filters.secure.SecureFilter.processFilter(SecureFilter.java:293)	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:59)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:204)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:109)	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:169)	at com.liferay.portal.servlet.filters.jsoncontenttype.JSONContentTypeFilter.processFilter(JSONContentTypeFilter.java:42)	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:59)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:204)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:109)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:96)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487)	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:412)	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)	at com.liferay.portal.servlet.FriendlyURLServlet.service(FriendlyURLServlet.java:160)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:169)	at com.liferay.portal.servlet.filters.strip.StripFilter.processFilter(StripFilter.java:359)	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:59)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:204)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:109)	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:169)	at com.liferay.portal.servlet.filters.gzip.GZipFilter.processFilter(GZipFilter.java:123)	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:59)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:204)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:109)	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:169)	at com.liferay.portal.servlet.filters.secure.SecureFilter.processFilter(SecureFilter.java:293)	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:59)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:204)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:109)	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:169)	at com.liferay.portal.servlet.filters.i18n.I18nFilter.processFilter(I18nFilter.java:244)	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:59)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:204)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:109)	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:169)	at com.liferay.portal.servlet.filters.jsoncontenttype.JSONContentTypeFilter.processFilter(JSONContentTypeFilter.java:42)	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:59)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:204)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:109)	at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:169)	at com.liferay.portal.servlet.filters.autologin.AutoLoginFilter.processFilter(AutoLoginFilter.java:263)	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:59)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:204)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:109)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:96)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487)	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:412)	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)	at com.liferay.portal.servlet.filters.virtualhost.VirtualHostFilter.processFilter(VirtualHostFilter.java:320)	at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:59)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:204)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:109)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:185)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:96)	at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:738)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:204)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:109)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:165)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:96)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:165)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:96)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:185)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:96)	at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:96)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)	at java.lang.Thread.run(Thread.java:744)