JDOFatalUserException on pm.newQuery(query).execute();

I keep getting JDOFatalUserException when i run the following code.
I was going to use my own uniqueIdKey but with the error tried Key
instead.
I have the singleton PMF and have followed the guides but not sure why
Im still getting this.
http://code.google.com/appengine/docs/java/datastore/overview.html
http://code.google.com/appengine/docs/java/datastore/dataclasses.html

@Override
public String userRegister(String name, String passwordHash, String
email) {
Date dt = new Date();
String uniqueIdKey = String.valueOf(dt.getTime());

Account e = new Account(uniqueIdKey, name, email,
passwordHash, new Date());
PersistenceManager pm =
com.neostorm.taskplanner.server.PMF.get().getPersistenceManager();
try {
pm.makePersistent(e);
} finally {
pm.close();
}

//TEST
String query = "select from " + Account.class.getName() + " where
login == '"+name+"'";
List<Account> result;
try {
result = (List<Account>) pm.newQuery(query).execute();
} catch (javax.jdo.JDOFatalUserException e1) {
e1.printStackTrace();
return null;
}
...
//Restore Data to session.
String sessionId = setupUserSession(uniqueIdKey);

return sessionId;
}

This is the Account

import com.google.appengine.api.datastore.Key;

import java.util.Date;
import javax.jdo.annotations.PersistenceCapable;
import javax.jdo.annotations.IdGeneratorStrategy;
import javax.jdo.annotations.Persistent;
import javax.jdo.annotations.PrimaryKey;

@PersistenceCapable
public class Account {
@PrimaryKey
@Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
private Key key;
@Persistent
private String loginID;
@Persistent
private String login;
@Persistent
private String email;
@Persistent
private String passwordHash;
@Persistent
private Date date;

public Account(String loginID,String login,String email,String
passwordHash, Date date){
this.loginID = loginID;
this.login = login;
this.email = email;
this.passwordHash = passwordHash;
this.date = date;
}
...
getters/setters
...
}

javax.jdo.JDOFatalUserException: Persistence Manager has been closed
at
org.datanucleus.jdo.JDOPersistenceManager.assertIsOpen(JDOPersistenceManager.java:
2125)
at
org.datanucleus.jdo.JDOPersistenceManager.newQuery(JDOPersistenceManager.java:
1247)
at
org.datanucleus.jdo.JDOPersistenceManager.newQuery(JDOPersistenceManager.java:
1234)
at
com.neostorm.taskplanner.server.IplanServiceImpl.userRegister(IplanServiceImpl.java:
337)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at
com.google.appengine.tools.development.agent.runtime.Runtime.invoke(Runtime.java:
100)
at
com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:
562)
at
com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:
188)
at
com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:
224)
at
com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:
62)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:713)
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
com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:
51)
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
com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:
121)
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.utils.jetty.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:
70)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
139)
at com.google.appengine.tools.development.JettyContainerService
$ApiProxyHandler.handle(JettyContainerService.java:352)
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.content(HttpConnection.java:844)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:644)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381)
at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:
396)
at org.mortbay.thread.BoundedThreadPool
$PoolThread.run(BoundedThreadPool.java:442)

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