Ik heb een probleem met de Google App Engine.
Lokaal draait het prima, maar als ik mijn project naar de Google App
Engine server heb gedeployed en het daar wil bekijken, gaat het
verkeerd.
Het gaat om de volgende foutmelding:
/index.jsp
java.lang.ClassCastException: java.lang.String cannot be cast to
java.lang.Boolean
at
com.google.appengine.runtime.Request.process-45e9281fdbb0acf1(Request.java)
at
org.datanucleus.store.appengine.DatastoreFieldManager.fetchBooleanField(DatastoreFieldManager.java:
453)
at
org.datanucleus.state.AbstractStateManager.replacingBooleanField(AbstractStateManager.java:
1052)
at project.Project.jdoReplaceField(Project.java)
at project.Project.jdoReplaceFields(Project.java)
at
org.datanucleus.state.JDOStateManagerImpl.replaceFields(JDOStateManagerImpl.java:
2772)
at
org.datanucleus.state.JDOStateManagerImpl.replaceFields(JDOStateManagerImpl.java:
2791)
at
org.datanucleus.store.appengine.DatastorePersistenceHandler.fetchObject(DatastorePersistenceHandler.java:
461)
at
org.datanucleus.store.appengine.query.DatastoreQuery.entityToPojo(DatastoreQuery.java:
545)
at
org.datanucleus.store.appengine.query.DatastoreQuery.entityToPojo(DatastoreQuery.java:
500)
at org.datanucleus.store.appengine.query.DatastoreQuery.access
$300(DatastoreQuery.java:108)
at org.datanucleus.store.appengine.query.DatastoreQuery
$6.apply(DatastoreQuery.java:618)
at org.datanucleus.store.appengine.query.DatastoreQuery
$6.apply(DatastoreQuery.java:610)
at
org.datanucleus.store.appengine.query.LazyResult.resolveNext(LazyResult.java:
94)
at org.datanucleus.store.appengine.query.LazyResult
$LazyAbstractListIterator.computeNext(LazyResult.java:215)
at
org.datanucleus.store.appengine.query.AbstractIterator.tryToComputeNext(AbstractIterator.java:
132)
at
org.datanucleus.store.appengine.query.AbstractIterator.hasNext(AbstractIterator.java:
127)
at org.datanucleus.store.appengine.query.LazyResult
$AbstractListIterator.hasNext(LazyResult.java:169)
at project.GetProject.getProjectsDashboard(GetProject.java:33)
at org.apache.jsp.index_jsp._jspService(index_jsp.java:52)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:
487)
at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1093)
at
cwipstoremoteuserfilter.filter.CwipsToRemoteUserFilter.doFilter(CwipsToRemoteUserFilter.java:
78)
at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1084)
at cwipsclient.cas.client.filter.CASFilter.doFilter(CASFilter.java:
79)
at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1084)
at
com.google.apphosting.utils.servlet.ParseBlobUploadFilter.doFilter(ParseBlobUploadFilter.java:
97)
at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1084)
at
com.google.apphosting.runtime.jetty.SaveSessionFilter.doFilter(SaveSessionFilter.java:
35)
at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1084)
at
com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:
43)
at org.mortbay.jetty.servlet.ServletHandler
$CachedChain.doFilter(ServletHandler.java:1084)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:
360)
at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:
216)
at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:
181)
at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:
712)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:
405)
at
com.google.apphosting.runtime.jetty.AppVersionHandlerMap.handle(AppVersionHandlerMap.java:
238)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
139)
at org.mortbay.jetty.Server.handle(Server.java:313)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:
506)
at org.mortbay.jetty.HttpConnection
$RequestHandler.headerComplete(HttpConnection.java:830)
at
com.google.apphosting.runtime.jetty.RpcRequestParser.parseAvailable(RpcRequestParser.java:
76)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381)
at
com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:
135)
at
com.google.apphosting.runtime.JavaRuntime.handleRequest(JavaRuntime.java:
235)
at com.google.apphosting.base.RuntimePb$EvaluationRuntime
$6.handleBlockingRequest(RuntimePb.java:5485)
at com.google.apphosting.base.RuntimePb$EvaluationRuntime
$6.handleBlockingRequest(RuntimePb.java:5483)
at
com.google.net.rpc.impl.BlockingApplicationHandler.handleRequest(BlockingApplicationHandler.java:
24)
at com.google.net.rpc.impl.RpcUtil.runRpcInApplication(RpcUtil.java:
363)
at com.google.net.rpc.impl.Server$2.run(Server.java:837)
at
com.google.tracing.LocalTraceSpanRunnable.run(LocalTraceSpanRunnable.java:
56)
at
com.google.tracing.LocalTraceSpanBuilder.internalContinueSpan(LocalTraceSpanBuilder.java:
536)
at com.google.net.rpc.impl.Server.startRpc(Server.java:792)
at com.google.net.rpc.impl.Server.processRequest(Server.java:367)
at
com.google.net.rpc.impl.ServerConnection.messageReceived(ServerConnection.java:
448)
at
com.google.net.rpc.impl.RpcConnection.parseMessages(RpcConnection.java:
319)
at
com.google.net.rpc.impl.RpcConnection.dataReceived(RpcConnection.java:
290)
at com.google.net.async.Connection.handleReadEvent(Connection.java:
474)
at com.google.net.
rond GetProject.java:33 staat het volgende:
while (iterator.hasNext())
{
Project project = (Project) iterator.next();
html = "<tr><td><p class=\"pTable\">" +
project.getProject_naam() + "</p></td><td><p class=\"pTable
\">Assesments ingevuld</p></td><td class=\"dashboardProjects\"><a href=
\"edit_project.jsp?id=" + project.getId() + "\"><img src=\"_img/
edit.png\" alt=\"Edit\" title=\"Edit\" /></a><a href=\"#\"><img src=
\"_img/overzicht.png\" alt=\"Overzicht\" title=\"Overzicht\" /></a></
td></tr>\n";
}
Nogmaals, die iterator.next() werkt lokaal wel, maar op Google dus
niet.
Wie kan mij helpen? B.v.d.
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