google app engine中jdo在查询中文的时候出现错误

Question

我在使用jdo的时候使用下面查询语句出现错误
String query = "select from " + Employee.class.getName() + " where lastName == '辉'";
请问jdo不支持中文查询码？
java.lang.IllegalArgumentException: Filters of type java.lang.Character are not supported
at com.google.appengine.api.datastore.Query$FilterPredicate.(Query.java:336)
at com.google.appengine.api.datastore.Query.addFilter(Query.java:161)
at org.datanucleus.store.appengine.query.DatastoreQuery.addLeftPrimaryExpression(DatastoreQuery.java:730)
at org.datanucleus.store.appengine.query.DatastoreQuery.addExpression(DatastoreQuery.java:605)
at org.datanucleus.store.appengine.query.DatastoreQuery.addFilters(DatastoreQuery.java:553)
at org.datanucleus.store.appengine.query.DatastoreQuery.performExecute(DatastoreQuery.java:214)
at org.datanucleus.store.appengine.query.JDOQLQuery.performExecute(JDOQLQuery.java:85)
at org.datanucleus.store.appengine.query.JDOQLQuery.performExecute(JDOQLQuery.java:31)
at org.datanucleus.store.query.Query.executeQuery(Query.java:1466)
at org.datanucleus.store.query.Query.executeWithArray(Query.java:1340)
at org.datanucleus.store.query.Query.execute(Query.java:1313)
at org.datanucleus.jdo.JDOQuery.execute(JDOQuery.java:218)
at com.lh.gae.dao.DaoUtil.getEmpList(DaoUtil.java:20)
at org.apache.jsp.HelloWorld_jsp._jspService(HelloWorld_jsp.java:60)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
at com.google.appengine.tools.development.PrivilegedJspServlet.access$101(PrivilegedJspServlet.java:23)
at com.google.appengine.tools.development.PrivilegedJspServlet$2.run(PrivilegedJspServlet.java:59)
at java.security.AccessController.doPrivileged(Native Method)
at com.google.appengine.tools.development.PrivilegedJspServlet.service(PrivilegedJspServlet.java:57)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1093)
at com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:712)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
at com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:54)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
at com.google.appengine.tools.development.JettyContainerService$ApiProxyHandler.handle(JettyContainerService.java:306)
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$RequestHandler.headerComplete(HttpConnection.java:830)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:396)
at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:442)

Answer 1

是GAE SDK 1.0.0的一个bug
1.0.2改了

看这个

http://groups.google.com/group/google-appengine-java/browse_thread/thread/6e105e25026749ca