I am trying to compile an application with Eclipse using GWT Plugin and
when I try to display the application from browser It throws the following
exception.
I could not find any way to make it work. Any help would be appreciated.
org.apache.jasper.JasperException: java.lang.ClassCastException:
org.apache.tomcat.SimpleInstanceManager cannot be cast to
org.apache.tomcat.InstanceManager
at org.apache.jasper.servlet.JspServletWrapper.handleJspException(
JspServletWrapper.java:585)
at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:396)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:405)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:349)
at org.eclipse.jetty.jsp.JettyJspServlet.service(JettyJspServlet.java:107)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:587
)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(
ScopedHandler.java:143)
at org.eclipse.jetty.security.SecurityHandler.handle(
SecurityHandler.java:577)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(
SessionHandler.java:223)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(
ContextHandler.java:1127)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
at org.eclipse.jetty.server.session.SessionHandler.doScope(
SessionHandler.java:185)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(
ContextHandler.java:1061)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(
ScopedHandler.java:141)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(
HandlerWrapper.java:97)
at org.eclipse.jetty.server.handler.RequestLogHandler.handle(
RequestLogHandler.java:95)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(
HandlerWrapper.java:97)
at org.eclipse.jetty.server.Server.handle(Server.java:499)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)
at org.eclipse.jetty.server.HttpConnection.onFillable(
HttpConnection.java:257)
at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544
)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(
QueuedThreadPool.java:635)
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(
QueuedThreadPool.java:555)
at java.lang.Thread.run(Thread.java:745)
Caused by:
java.lang.ClassCastException: org.apache.tomcat.SimpleInstanceManager
cannot be cast to org.apache.tomcat.InstanceManager
at org.apache.jasper.runtime.InstanceManagerFactory.getInstanceManager(
InstanceManagerFactory.java:29)
at org.apache.jsp.index_jsp._jspInit(index_jsp.java:32)
at org.apache.jasper.runtime.HttpJspBase.init(HttpJspBase.java:49)
at org.apache.jasper.servlet.JspServletWrapper.getServlet(
JspServletWrapper.java:180)
at org.apache.jasper.servlet.JspServletWrapper.service(
JspServletWrapper.java:369)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:405)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:349)
at org.eclipse.jetty.jsp.JettyJspServlet.service(JettyJspServlet.java:107)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:587
)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(
ScopedHandler.java:143)
at org.eclipse.jetty.security.SecurityHandler.handle(
SecurityHandler.java:577)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(
SessionHandler.java:223)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(
ContextHandler.java:1127)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
at org.eclipse.jetty.server.session.SessionHandler.doScope(
SessionHandler.java:185)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(
ContextHandler.java:1061)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(
ScopedHandler.java:141)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(
HandlerWrapper.java:97)
at org.eclipse.jetty.server.handler.RequestLogHandler.handle(
RequestLogHandler.java:95)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(
HandlerWrapper.java:97)
at org.eclipse.jetty.server.Server.handle(Server.java:499)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)
at org.eclipse.jetty.server.HttpConnection.onFillable(
HttpConnection.java:257)
at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544
)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(
QueuedThreadPool.java:635)
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(
QueuedThreadPool.java:555)
at java.lang.Thread.run(Thread.java:745)
[ERROR] 500 - GET /index.jsp (127.0.0.1)
Request headers
Host: 127.0.0.1:8888
Connection: keep-alive
Cache-Control: max-age=0
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1)
AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.95 Safari/537.36
Accept:
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Encoding: gzip, deflate, sdch, br
Accept-Language: en-US,en;q=0.8,tr;q=0.6
Cookie: JSESSIONID=m6qst2kzugik1gjjclf2y4lb1
Response headers
Date: Tue, 07 Feb 2017 11:59:39 GMT
Connection: close
Accept-Ranges: bytes
Content-Type: text/html
Last-Modified: Fri, 12 Apr 2013 08:27:21 GMT
--
You received this message because you are subscribed to the Google Groups "GWT
Users" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
Visit this group at https://groups.google.com/group/google-web-toolkit.
For more options, visit https://groups.google.com/d/optout.
