What version of Hessian are you using? IIRC, I had similar problems until I
grabbed version 3.0.20.
-- KevinOn 2/7/08 11:26 AM, "hmai..otmail.ru" <hmail@hotmail.ru> wrote:
> Hello! > > I've got problems running SelectQueries using ROP. > They seem really serious to me, or maybe i'm doing something wrong? > > -----------FIRST PROBLEM---------------- > First, with M3. After i switched to M3, simply running my query: > SelectQuery query = new SelectQuery(Militaryman.class, null); > List result = context.performQuery(query); > > gets me an exception on client side (pojo class here does not matter, and i > don't have any int columns): > Exception in thread "AWT-EventQueue-0" > org.apache.cayenne.CayenneRuntimeException: [v.3.0M2 Oct 28 2007 16:09:02] > Remote error. URL - http://localhost:8080/cayenne/cws; CAUSE - expected int at > M > at > org.apache.cayenne.remote.hessian.HessianConnection.doSendMessage(HessianConne > ction.java:145) > at > org.apache.cayenne.remote.BaseConnection.sendMessage(BaseConnection.java:73)[1 > 8:59:49 INFO] - *** Message error for 0: Bootstrap - took 375 ms. > > at org.apache.cayenne.remote.ClientChannel.send(ClientChannel.java:276) > at > org.apache.cayenne.remote.ClientChannel.getEntityResolver(ClientChannel.java:2 > 32) > at > org.apache.cayenne.CayenneContext.getEntityResolver(CayenneContext.java:178) > at > org.apache.cayenne.util.ObjectContextQueryAction.<init>(ObjectContextQueryActi > on.java:71) > at > org.apache.cayenne.CayenneContextQueryAction.<init>(CayenneContextQueryAction. > java:41) > at org.apache.cayenne.CayenneContext.onQuery(CayenneContext.java:352) > at org.apache.cayenne.CayenneContext.performQuery(CayenneContext.java:341) > at > com.nic.joker.data.pojo.cayenne.CayenneEntityManager.select(CayenneEntityManag > er.java:144) > at com.nic.joker.data.pojo.POJOEntityViewList.load(POJOEntityViewList.java:91) > at test.B.handle(B.java:28) > at > com.nic.joker.kernel.xml.oldstyle.OldStyleEventHandler.handle(OldStyleEventHan > dler.java:110) > at com.nic.joker.kernel.EventController.run(EventController.java:118) > at com.nic.joker.kernel.EventController.deliverEvent(EventController.java:129) > at > com.nic.joker.ui.swing.event.ButtonController.actionPerformed(ButtonController > .java:36) > at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995) > at > javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318) > at > javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387> ) > at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242) > at > javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.j > ava:236) > at java.awt.Component.processMouseEvent(Component.java:6038) > at javax.swing.JComponent.processMouseEvent(JComponent.java:3260) > at java.awt.Component.processEvent(Component.java:5803) > at java.awt.Container.processEvent(Container.java:2058) > at java.awt.Component.dispatchEventImpl(Component.java:4410) > at java.awt.Container.dispatchEventImpl(Container.java:2116) > at java.awt.Component.dispatchEvent(Component.java:4240) > at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4322) > at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3986) > at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3916) > at java.awt.Container.dispatchEventImpl(Container.java:2102) > at java.awt.Window.dispatchEventImpl(Window.java:2429) > at java.awt.Component.dispatchEvent(Component.java:4240) > at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) > at > java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:2 > 73) > at > java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183) > at > java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:1 > 73) > at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168) > at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160) > at java.awt.EventDispatchThread.run(EventDispatchThread.java:121) > Caused by: com.caucho.hessian.io.HessianProtocolException: expected int at M > at com.caucho.hessian.io.HessianInput.error(HessianInput.java:1687) > at com.caucho.hessian.io.HessianInput.expect(HessianInput.java:1679) > at com.caucho.hessian.io.HessianInput.readInt(HessianInput.java:533) > at > com.caucho.hessian.io.JavaDeserializer$IntFieldDeserializer.deserialize(JavaDe > serializer.java:475) > at com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:199) > at com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:141) > at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:1030) > at > com.caucho.hessian.io.ArrayDeserializer.readList(ArrayDeserializer.java:101) > at > com.caucho.hessian.io.SerializerFactory.readList(SerializerFactory.java:329) > at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:1149) > at com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:201) > at com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:141) > at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:1030) > at > com.caucho.hessian.io.JavaDeserializer$ObjectFieldDeserializer.deserialize(Jav > aDeserializer.java:383) > at com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:199) > at com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:141) > at com.caucho.hessian.io.SerializerFactory.readMap(SerializerFactory.java:343) > at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:1155) > at com.caucho.hessian.io.MapDeserializer.readMap(MapDeserializer.java:114) > at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:1030) > at > com.caucho.hessian.io.JavaDeserializer$ObjectFieldDeserializer.deserialize(Jav > aDeserializer.java:383) > at com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:199) > at com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:141) > at com.caucho.hessian.io.SerializerFactory.readMap(SerializerFactory.java:343) > at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:1155) > at > com.caucho.hessian.io.CollectionDeserializer.readList(CollectionDeserializer.j > ava:78) > at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:1047) > at > com.caucho.hessian.io.JavaDeserializer$ObjectFieldDeserializer.deserialize(Jav > aDeserializer.java:383) > at com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:199) > at com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:141) > at com.caucho.hessian.io.SerializerFactory.readMap(SerializerFactory.java:343) > at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:1155) > at com.caucho.hessian.io.HessianInput.readObject(HessianInput.java:1007) > at com.caucho.hessian.client.HessianProxy.invoke(HessianProxy.java:201) > at $Proxy0.processMessage(Unknown Source) > at > org.apache.cayenne.remote.hessian.HessianConnection.doSendMessage(HessianConne > ction.java:140) > ... 40 more > > -----------SECOND PROBLEM---------------- > Second problem is on M2 (as you can see, i wasn't able to test it on M3): > > When i use simple query, without any parameters, everything works fine: > > SelectQuery query = new SelectQuery(Militaryman.class, expression); > List result = context.performQuery(query); > > But then i try to add some parameters (no matter which!!!): > > String expr = "militarymanname like 'A%'"; > Expression expression = Expression.fromString(expr); > SelectQuery query = new SelectQuery(getPOJOClass(type.getName()), expression); > List result = context.performQuery(query); > > I've tried different parameters, tried using ExpressionFactory, but exception > is all the same. > (and there is no mention in persistence limitations doc that expressions do > not work there). > > Exception (on server side): > 19:20:53,074 ERROR [[cws]] Servlet.service() for servlet cws threw exception > com.caucho.hessian.io.HessianFieldException: > org.apache.cayenne.exp.parser.SimpleNode.children: [Ljava.lang.Object; > ([Ljava.lang.Object..24044e) cannot be assigned to > [Lorg.apache.cayenne.exp.parser.Node; > at > com.caucho.hessian.io.JavaDeserializer.logDeserializeError(JavaDeserializer.ja > va:589) > at > com.caucho.hessian.io.JavaDeserializer$ObjectFieldDeserializer.deserialize(Jav > aDeserializer.java:387) > at com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:199) > at com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:141) > at com.caucho.hessian.io.Hessian2Input.readObject(Hessian2Input.java:1634) > at > com.caucho.hessian.io.JavaDeserializer$ObjectFieldDeserializer.deserialize(Jav > aDeserializer.java:383) > at com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:199) > at com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:141) > at > org.apache.cayenne.remote.hessian.service.ServerAbstractQueryDeserializer.read > Map(ServerAbstractQueryDeserializer.java:49) > at com.caucho.hessian.io.Hessian2Input.readObject(Hessian2Input.java:1634) > at > com.caucho.hessian.io.JavaDeserializer$ObjectFieldDeserializer.deserialize(Jav > aDeserializer.java:383) > at com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:199) > at com.caucho.hessian.io.JavaDeserializer.readMap(JavaDeserializer.java:141) > at com.caucho.hessian.io.Hessian2Input.readObject(Hessian2Input.java:1634) > at com.caucho.hessian.server.HessianSkeleton.invoke(HessianSkeleton.java:149) > at com.caucho.hessian.server.HessianServlet.service(HessianServlet.java:391) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFi > lterChain.java:252) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChai > n.java:173) > at > org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java > :96) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFi > lterChain.java:202) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChai > n.java:173) > at > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java > :213) > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java > :178) > at > org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociat > ionValve.java:175) > at > org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74> ) > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) > at > org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValv > e.java:156) > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:1 > 07) > at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) > at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) > at > org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processCon > nection(Http11BaseProtocol.java:664) > at > org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java: > 527) > at > org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread > .java:112) > at java.lang.Thread.run(Thread.java:619) > > Thanks, > Andrey)
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