hongji...@yahoo.com.cn
unread,Jun 21, 2011, 4:20:47 AM6/21/11Sign in to reply to author
Sign in to forward
You do not have permission to delete messages in this group
Sign in to report message
Either email addresses are anonymous for this group or you need the view member email addresses permission to view the original message
to Google Web Toolkit, google-we...@googlegroups.com
I am a begginner of GWT.I used gwt-2.3.0.When I debug the sample of
DynaTable under gwt-2.3.0, I encounted some question I can't solve as
the following. when I debug DynaTable ,Jetty print out the Exception
in the following:
java.lang.ExceptionInInitializerError
at com.google.gwt.rpc.server.RPC.decodeRequest(RPC.java:160)
at com.google.gwt.rpc.server.RpcServlet.processCall(RpcServlet.java:
158)
at
com.google.gwt.user.server.rpc.HybridServiceServlet.processCall(HybridServiceServlet.java:
111)
at com.google.gwt.rpc.server.RpcServlet.processPost(RpcServlet.java:
222)
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.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:
511)
at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1166)
at
com.google.appengine.tools.development.HeaderVerificationFilter.doFilter(HeaderVerificationFilter.java:
35)
at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1157)
at
com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:
58)
at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1157)
at
com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:
43)
at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1157)
at
com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:
122)
at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1157)
at
com.google.appengine.tools.development.BackendServersFilter.doFilter(BackendServersFilter.java:
94)
at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1157)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:
388)
at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:
216)
at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:
182)
at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:
765)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:
418)
at
com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:
70)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
152)
at com.google.appengine.tools.development.JettyContainerService
$ApiProxyHandler.handle(JettyContainerService.java:351)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:
542)
at org.mortbay.jetty.HttpConnection
$RequestHandler.content(HttpConnection.java:938)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:
409)
at org.mortbay.thread.QueuedThreadPool
$PoolThread.run(QueuedThreadPool.java:582)
Caused by: java.lang.RuntimeException: Unable to get Unsafe instance
at
com.google.gwt.rpc.server.CommandSerializationUtil.<clinit>(CommandSerializationUtil.java:
457)
... 36 more
Caused by: java.security.AccessControlException: access denied
(java.lang.RuntimePermission accessClassInPackage.sun.misc)
at
java.security.AccessControlContext.checkPermission(AccessControlContext.java:
323)
at
java.security.AccessController.checkPermission(AccessController.java:
546)
at java.lang.SecurityManager.checkPermission(SecurityManager.java:
532)
at com.google.appengine.tools.development.DevAppServerFactory
$CustomSecurityManager.checkPermission(DevAppServerFactory.java:166)
at java.lang.SecurityManager.checkPackageAccess(SecurityManager.java:
1512)
at java.lang.ClassLoader$1.run(ClassLoader.java:331)
at java.security.AccessController.doPrivileged(Native Method)
at java.lang.ClassLoader.checkPackageAccess(ClassLoader.java:329)
at
com.google.gwt.rpc.server.CommandSerializationUtil.<clinit>(CommandSerializationUtil.java:
444)
... 36 more
I tried my best to search information through by google, but no
effective information,so I asked for help!