Error occurred completing a transaction

Question

Hello people,
Im using LCDS 3.1 with flash builder 4.5 and model driven development plugin.
im getting this error everytime i Delete an item(record).
Nothing happens when i Add (create), update items, everything works fine but when i Delete then i get this:
  Exception: flex.data.DataServiceException: Error occurred completing a transaction
        at flex.data.DataServiceTransaction.complete(DataServiceTransaction.java:1528)
        at flex.data.DataService.serviceTransactedMessage(DataService.java:970)
        at flex.data.DataService.serviceMessage(DataService.java:507)
        at flex.messaging.AsyncMessageBroker.in(AsyncMessageBroker.java:435)
        at flex.messaging.MessageContext.doIn(MessageContext.java:296)
        at flex.messaging.filters.AsyncMessageFilterChain.in(AsyncMessageFilterChain.java:206)
        at flex.messaging.MessageContext.doIn(MessageContext.java:296)
        at flex.messaging.AsyncMessageBroker$EndpointSplitter.in(AsyncMessageBroker.java:827)
        at flex.messaging.MessageContext.doIn(MessageContext.java:296)
        at flex.messaging.endpoints.BaseSocketServerEndpoint.in(BaseSocketServerEndpoint.java:463)
        at flex.messaging.MessageContext.doIn(MessageContext.java:296)
        at flex.messaging.endpoints.RTMPConnection.handleTCCommandIn(RTMPConnection.java:835)
        at flex.messaging.endpoints.RTMPConnection.in(RTMPConnection.java:985)
        at flex.messaging.endpoints.RTMPConnection.serviceTCMessage(RTMPConnection.java:1072)
        at flex.messaging.endpoints.RTMPConnection.doRead(RTMPConnection.java:610)
        at flex.messaging.endpoints.RTMPProtocolHandler.doRead(RTMPProtocolHandler.java:125)
        at flex.messaging.socketserver.Connection$ConnectionReader.run(Connection.java:864)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
Caused by: flex.data.adapters.AdapterException: The fill-contains-method for class null returned an error: null
        at flex.data.adapters.JavaAdapter.handleAdapterException(JavaAdapter.java:1335)
        at flex.data.adapters.JavaAdapter.invokeRefreshFillOperation(JavaAdapter.java:969)
        at flex.data.adapters.JavaAdapter.invoke(JavaAdapter.java:628)
        at flex.data.DataServiceTransaction.rebuildSequenceIfNecessary(DataServiceTransaction.java:2 353)
        at flex.data.SequenceManager.getInterestedSubscribers(SequenceManager.java:3693)
        at flex.data.SequenceManager.getLeafInterestedSubscribers(SequenceManager.java:3608)
        at flex.data.SequenceManager.syncAndPushSequenceChanges(SequenceManager.java:3578)
        at flex.data.SequenceManager.manageSequence(SequenceManager.java:989)
        at flex.data.DataServiceTransaction.syncClients(DataServiceTransaction.java:1672)
        at flex.data.DataServiceTransaction.doCommit(DataServiceTransaction.java:1456)
        at flex.data.DataServiceTransaction.complete(DataServiceTransaction.java:1505)
        ... 19 more
Caused by: java.lang.NullPointerException
        at fiber.core.impl.service.FilterFunctionsService.equals(FilterFunctionsService.java:154)
        at fiber.runtime.entity.TermEvaluator.visitInvocation(TermEvaluator.java:104)
        at fiber.core.impl.term.function.InvocationImpl.accept(InvocationImpl.java:164)
        at fiber.runtime.entity.TermEvaluator.evaluate(TermEvaluator.java:63)
        at fiber.data.assemblers.FiberAssembler.refreshFill(FiberAssembler.java:411)
        at flex.data.adapters.JavaAdapter.invokeRefreshFillOperation(JavaAdapter.java:918)
        ... 28 more
regards
Imraan

Answer 1

Hello guys,
any sugestion??? any solution for this?
this is my view:
<?xml version="1.0" encoding="utf-8"?>
<mx:Canvas xmlns:fx="http://ns.adobe.com/mxml/2009"
   xmlns:s="library://ns.adobe.com/flex/spark"
   xmlns:mx="library://ns.adobe.com/flex/mx"
   xmlns:sct="sct.*"
   xmlns:forms="sct.forms.*"
   width="100%" height="100%">
<fx:Script>
<![CDATA[
import mx.controls.Alert;
import mx.events.FlexEvent;
import mx.events.ListEvent;
import spark.events.IndexChangeEvent;
protected function dataGrid_creationCompleteHandler(event:FlexEvent):void
if(comboBox.selectedItem!=null)
getByGrupoTreinamentoResult.token = treinamentoService.getByGrupoTreinamento( comboBox.selectedItem);
protected function comboBox_creationCompleteHandler(event:FlexEvent):void
getAllResult.token = grupoTreinamentoService.getAll();
protected function comboBox_changeHandler(event:IndexChangeEvent):void
if(comboBox.selectedItem!=null)
getByGrupoTreinamentoResult.token = treinamentoService.getByGrupoTreinamento( comboBox.selectedItem);
]]>
</fx:Script>
<fx:Declarations>
<s:CallResponder id="getByGrupoTreinamentoResult"/>
<sct:TreinamentoService id="treinamentoService"
fault="Alert.show(event.fault.faultString + '\n' + event.fault.faultDetail)"/>
<s:CallResponder id="getAllResult"/>
<sct:GrupoTreinamentoService id="grupoTreinamentoService"
fault="Alert.show(event.fault.faultString + '\n' + event.fault.faultDetail)"/>
<!-- Place non-visual elements (e.g., services, value objects) here -->
</fx:Declarations>
<s:HGroup width="100%" height="100%">
<s:VGroup>
<s:HGroup>
<s:Label text="Grupo de Treinamentos" />
<s:ComboBox id="comboBox" change="comboBox_changeHandler(event)"
creationComplete="comboBox_creationCompleteHandler(event)"
labelField="nome">
<s:AsyncListView list="{getAllResult.lastResult}"/>
</s:ComboBox>
</s:HGroup>
<mx:DataGrid id="dataGrid"
creationComplete="dataGrid_creationCompleteHandler(event)"
dataProvider="{getByGrupoTreinamentoResult.lastResult}">
<mx:columns>
<mx:DataGridColumn dataField="codigo" headerText="codigo"/>
<mx:DataGridColumn dataField="nome" headerText="nome"/>
<mx:DataGridColumn dataField="descricao" headerText="descricao"/>
<mx:DataGridColumn dataField="duracao" headerText="duracao"/>
<mx:DataGridColumn dataField="validade" headerText="validade"/>
</mx:columns>
</mx:DataGrid>
</s:VGroup>
<forms:TreinamentoForm id="TreinamentoForm1"
   valueObject="{dataGrid.selectedItem as Treinamento}">
</forms:TreinamentoForm>
</s:HGroup>
</mx:Canvas>
I get this TRANSACTION error when i delete an record.
BUT THE RECORD IS DELETED.
Imraan