anyone on this? Thankx and Regards
Vik Founder http://www.sakshum.org http://blog.sakshum.org On Fri, Dec 23, 2011 at 11:56 AM, Vik <vik....@gmail.com> wrote: > Hello > > I have my entity defined as: > > @PersistenceCapable(identityType = IdentityType.APPLICATION) > public class BloodDonorReminderHistory { > @PrimaryKey > @Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY) > private String emailId; > @Persistent > private Date lastRemindDate; > .. > } > > > The query I am using is: > query = pm.newQuery(BloodDonorReminderHistory.class, > ":bloodDonorEmailList.contains(emailId) && lastRemindDate < > :lastRemindDate"); > @SuppressWarnings("unchecked") > List<BloodDonorReminderHistory> hisList = > (List<BloodDonorReminderHistory>)query.execute(bloodDonorEmailList, > lastRemindDate); > > > And it throws exception as per below. Please advise what could be wrong > here and how to resolve: > java.lang.IllegalArgumentException: name cannot be null or empty > at > com.google.appengine.api.datastore.KeyFactory.createKey(KeyFactory.java:70) > at > com.google.appengine.api.datastore.KeyFactory.createKey(KeyFactory.java:57) > at > org.datanucleus.store.appengine.query.DatastoreQuery.internalPkToKey(DatastoreQuery.java:1677) > at > org.datanucleus.store.appengine.query.DatastoreQuery.processPotentialBatchGet(DatastoreQuery.java:1419) > at > org.datanucleus.store.appengine.query.DatastoreQuery.addLeftPrimaryExpression(DatastoreQuery.java:1315) > at > org.datanucleus.store.appengine.query.DatastoreQuery.handleContainsOperation(DatastoreQuery.java:1195) > at > org.datanucleus.store.appengine.query.DatastoreQuery.addExpression(DatastoreQuery.java:1084) > at > org.datanucleus.store.appengine.query.DatastoreQuery.addExpression(DatastoreQuery.java:1053) > at > org.datanucleus.store.appengine.query.DatastoreQuery.addFilters(DatastoreQuery.java:1031) > at > org.datanucleus.store.appengine.query.DatastoreQuery.performExecute(DatastoreQuery.java:238) > at > org.datanucleus.store.appengine.query.JDOQLQuery.performExecute(JDOQLQuery.java:92) > at org.datanucleus.store.query.Query.executeQuery(Query.java:1489) > at org.datanucleus.store.query.Query.executeWithArray(Query.java:1371) > at org.datanucleus.jdo.JDOQuery.execute(JDOQuery.java:266) > at > vik.sakshum.sakshumweb.server.BloodDonorAdminServiceImpl.sendBloodDonorVerificationEmail(BloodDonorAdminServiceImpl.java:955) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > com.google.appengine.tools.development.agent.runtime.Runtime.invoke(Runtime.java:104) > at > com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:569) > at > com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:208) > at > com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:248) > 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:60) > 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$CachedChain.doFilter(ServletHandler.java:1157) > at > com.google.appengine.tools.development.BackendServersFilter.doFilter(BackendServersFilter.java:97) > at > org.mortbay.jetty.servlet.ServletHandler$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.appengine.tools.development.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:78) > at > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) > at > com.google.appengine.tools.development.JettyContainerService$ApiProxyHandler.handle(JettyContainerService.java:362) > at > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) > at org.mortbay.jetty.Server.handle(Server.java:326) > at > org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) > at > org.mortbay.jetty.HttpConnection$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) > > Thankx and Regards > > Vik > Founder > http://www.sakshum.org > http://blog.sakshum.org > -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. 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