Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

  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

  2. ,

    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.

Solutions on the web

via Liferay Issues by Albert Lee, 1 year ago
via liferay.com by Unknown author, 2 years ago
via Liferay Issues by Albert Lee, 2 years ago
via Liferay Issues by Albert Lee, 2 years ago
java.lang.ClassNotFoundException: org.apache.jsp.html.taglib.ui.icon.page_jsp at java.net.URLClassLoader$1.run(URLClassLoader.java:366) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:137) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:69) at org.wildfly.extension.undertow.deployment.UndertowJSPInstanceManager.newInstance(UndertowJSPInstanceManager.java:59) at org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:143) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:321) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:326) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:259) at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:86) at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:130) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:119) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:115) at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60) at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:132) at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:85) at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62) at io.undertow.jsp.JspFileHandler.handleRequest(JspFileHandler.java:32)