Hi everybody

I builded a war and using gwt-rpc mechanism. It works well on tomcat.
But there comes a problem when I want to deploy on glassfish. I
couldn't find anything on web. I will be happy if somebody helps. The
error is written below.(detected on glassfish logs)

Exception while dispatching incoming RPC call
com.google.gwt.user.client.rpc.SerializationException: Type
'[Lheadman.client.modeller.Student;' was not included in the set of
types which can be serialized by this SerializationPolicy or its Class
object could not be loaded. For security purposes, this type will not
be serialized.
        at
com.google.gwt.user.server.rpc.impl.StandardSerializationPolicy.validateSerialize
(StandardSerializationPolicy.java:83)
        at
com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serialize
(ServerSerializationStreamWriter.java:591)
        at
com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.writeObject
(AbstractSerializationStreamWriter.java:129)
        at
com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter
$ValueWriter$8.write(ServerSerializationStreamWriter.java:146)
        at
com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeValue
(ServerSerializationStreamWriter.java:530)
        at com.google.gwt.user.server.rpc.RPC.encodeResponse(RPC.java:
573)
        at com.google.gwt.user.server.rpc.RPC.encodeResponseForSuccess
(RPC.java:441)
        at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse
(RPC.java:529)
        at
com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall
(RemoteServiceServlet.java:164)
        at com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost
(RemoteServiceServlet.java:86)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:
754)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:
847)
        at
org.apache.catalina.core.ApplicationFilterChain.servletService
(ApplicationFilterChain.java:427)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
(ApplicationFilterChain.java:333)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter
(ApplicationFilterChain.java:214)
        at com.uwyn.rife.servlet.RifeFilter.doFilter(RifeFilter.java:
192)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
(ApplicationFilterChain.java:246)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter
(ApplicationFilterChain.java:214)
        at org.apache.catalina.core.StandardWrapperValve.invoke
(StandardWrapperValve.java:313)
        at org.apache.catalina.core.StandardContextValve.invokeInternal
(StandardContextValve.java:287)
        at org.apache.catalina.core.StandardContextValve.invoke
(StandardContextValve.java:218)
        at org.apache.catalina.core.StandardPipeline.doInvoke
(StandardPipeline.java:648)
        at org.apache.catalina.core.StandardPipeline.doInvoke
(StandardPipeline.java:593)
        at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:
94)
        at
com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke
(PESessionLockingStandardPipeline.java:98)
        at org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:222)
        at org.apache.catalina.core.StandardPipeline.doInvoke
(StandardPipeline.java:648)
        at org.apache.catalina.core.StandardPipeline.doInvoke
(StandardPipeline.java:593)
        at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:587)
        at org.apache.catalina.core.ContainerBase.invoke
(ContainerBase.java:1096)
        at org.apache.catalina.core.StandardEngineValve.invoke
(StandardEngineValve.java:166)
        at org.apache.catalina.core.StandardPipeline.doInvoke
(StandardPipeline.java:648)
        at org.apache.catalina.core.StandardPipeline.doInvoke
(StandardPipeline.java:593)
        at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:587)
        at org.apache.catalina.core.ContainerBase.invoke
(ContainerBase.java:1096)
        at org.apache.coyote.tomcat5.CoyoteAdapter.service
(CoyoteAdapter.java:288)
        at
com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter
(DefaultProcessorTask.java:647)
        at
com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess
(DefaultProcessorTask.java:579)
        at
com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process
(DefaultProcessorTask.java:831)
        at
com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask
(DefaultReadTask.java:341)
        at
com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask
(DefaultReadTask.java:263)
        at
com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask
(DefaultReadTask.java:214)
        at com.sun.enterprise.web.portunif.PortUnificationPipeline
$PUTask.doTask(PortUnificationPipeline.java:380)
        at com.sun.enterprise.web.connector.grizzly.TaskBase.run
(TaskBase.java:265)
        at
com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run
(SSLWorkerThread.java:106)

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