14:31:45.760 [ERROR] [gwtrpc] 14:31:45.758:WARN:RPCManager:Error performing rpcRequest: error: FAILURE, response: {clientContext: Obj,
status: -1,
context: undef,
startRow: 0,
endRow: 0,
totalRows: 0}
com.smartgwt.client.core.JsObject$SGWT_WARN: 14:31:45.758:WARN:RPCManager:Error performing rpcRequest: error: FAILURE, response: {clientContext: Obj,
status: -1,
context: undef,
startRow: 0,
endRow: 0,
totalRows: 0}
<snip stack trace>
public class YourEntryPoint implements EntryPoint {
@Override
public void onModuleLoad() {
Canvas canvas = new Canvas();
TestDataSource dataSource = new TestDataSource();
final ListGrid yourGrid = new ListGrid();
yourGrid.setWidth(550);
yourGrid.setHeight(200);
yourGrid.setCellHeight(22);
yourGrid.setDataSource(dataSource);
ListGridField nameField = new ListGridField("name", "Name");
ListGridField locationField = new ListGridField("date", "DATE");
yourGrid.setFields(nameField, locationField);
yourGrid.setAutoFetchData(true);
// yourGrid.setDataFetchMode(FetchMode.BASIC);
yourGrid.setDataFetchMode(FetchMode.PAGED);
yourGrid.setShowAllRecords(false);
yourGrid.setDataPageSize(20);
yourGrid.setCanEdit(true);
yourGrid.setShowFilterEditor(true);
yourGrid.setEditEvent(ListGridEditEvent.DOUBLECLICK);
IButton addRow = new IButton("Add new row");
addRow.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
ListGridRecord rec = new ListGridRecord();
rec.setAttribute("name", "yourName");
rec.setAttribute("date", new Date());
yourGrid.addData(rec);
}
});
addRow.setLeft(0);
addRow.setTop(240);
addRow.setWidth(140);
IButton removeAll = new IButton("Remove All Selected");
removeAll.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
ListGridRecord[] selectedRecords = yourGrid.getSelection();
for(ListGridRecord rec: selectedRecords) {
yourGrid.removeData(rec);
}
}
});
removeAll.setLeft(320);
removeAll.setTop(240);
removeAll.setWidth(140);
canvas.addChild(yourGrid);
canvas.addChild(addRow);
canvas.addChild(removeAll);
canvas.draw();
// for debugging only, shows the developer console when hitting CTRL-D.
if (!GWT.isScript()) {
KeyIdentifier debugKey = new KeyIdentifier();
debugKey.setCtrlKey(true);
debugKey.setKeyName("D");
Page.registerKey(debugKey, new KeyCallback() {
public void execute(String keyName) {
SC.showConsole();
}
});
}
}
}
17:16:00.143 [INFO] [app] [ERROR] caught: com.google.gwt.user.client.rpc.StatusCodeException: 500 The call failed on the server; see server log for details
17:16:00.029 [ERROR] [app] 17:16:00.027:WARN:RPCManager:Error performing rpcRequest: error: FAILURE, response: {__gwt_ObjectId: 893, clientContext: Obj, status: -1, context: undef, startRow: 0, endRow: 0, totalRows: 0}
com.smartgwt.client.core.JsObject$SGWT_WARN: 17:16:00.027:WARN:RPCManager:Error performing rpcRequest: error: FAILURE, response: {__gwt_ObjectId: 893, clientContext: Obj, status: -1, context: undef, startRow: 0, endRow: 0, totalRows: 0}
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:105)
at com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
at com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:172)
at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingForReturn(BrowserChannelServer.java:337)
at com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:218)
at com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:136)
at com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:561)
at com.google.gwt.dev.shell.ModuleSpace.invokeNativeVoid(ModuleSpace.java:289)
at com.google.gwt.dev.shell.JavaScriptHost.invokeNativeVoid(JavaScriptHost.java:107)
at com.smartgwt.client.data.DataSource.processResponse(DataSource.java)
at ru.app.client.ui.data.datasources.ProjectInfoDS$1.onFailure(ProjectInfoDS.java:82)
at com.google.gwt.user.client.rpc.impl.RequestCallbackAdapter.onResponseReceived(RequestCallbackAdapter.java:237)
at com.google.gwt.http.client.Request.fireOnResponseReceived(Request.java:287)
at com.google.gwt.http.client.RequestBuilder$1.onReadyStateChange(RequestBuilder.java:395)
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.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
at com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
at com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:172)
at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingForReturn(BrowserChannelServer.java:337)
at com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:218)
at com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:136)
at com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:561)
at com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java:269)
at com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.java:91)
at com.google.gwt.core.client.impl.Impl.apply(Impl.java)
at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:213)
at sun.reflect.GeneratedMethodAccessor75.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
at com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
at com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:172)
at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:292)
at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:546)
at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:363)
at java.lang.Thread.run(Unknown Source)
{clientContext: Obj, status: -1, context: undef, startRow: 0, endRow: 0, totalRows: 0}
{[b]__gwt_ObjectId: 893[/b], clientContext: Obj, status: -1, context: undef, startRow: 0, endRow: 0, totalRows: 0}
22:22:47.712 [ERROR] [app] 22:22:47.707:WARN:RPCManager:Error performing rpcRequest: error: FAILURE, response: {clientContext: Obj, status: -1, context: undef, startRow: 0, endRow: 0, totalRows: 0}
com.smartgwt.client.core.JsObject$SGWT_WARN: 22:22:47.707:WARN:RPCManager:Error performing rpcRequest: error: FAILURE, response: {clientContext: Obj, status: -1, context: undef, startRow: 0, endRow: 0, totalRows: 0}
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:105)
at com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
at com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:172)
at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingForReturn(BrowserChannelServer.java:337)
at com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:218)
at com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:136)
at com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:561)
at com.google.gwt.dev.shell.ModuleSpace.invokeNativeVoid(ModuleSpace.java:289)
at com.google.gwt.dev.shell.JavaScriptHost.invokeNativeVoid(JavaScriptHost.java:107)
at com.smartgwt.client.data.DataSource.processResponse(DataSource.java)
at ru.app.client.ui.data.datasources.ProjectInfoDS$1.onFailure(ProjectInfoDS.java:82)
at com.google.gwt.user.client.rpc.impl.RequestCallbackAdapter.onResponseReceived(RequestCallbackAdapter.java:237)
at com.google.gwt.http.client.Request.fireOnResponseReceived(Request.java:287)
at com.google.gwt.http.client.RequestBuilder$1.onReadyStateChange(RequestBuilder.java:395)
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.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
at com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
at com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:172)
at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingForReturn(BrowserChannelServer.java:337)
at com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:218)
at com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:136)
at com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:561)
at com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java:269)
at com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.java:91)
at com.google.gwt.core.client.impl.Impl.apply(Impl.java)
at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:213)
at sun.reflect.GeneratedMethodAccessor36.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
at com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
at com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:172)
at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:292)
at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:546)
at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:363)
at java.lang.Thread.run(Unknown Source)
onModuleLoad() {
DataSource dataSource = ManagerDS.getInstance();
TreeGrid treeGrid = new TreeGrid();
treeGrid.setLoadDataOnDemand(true);
treeGrid.setWidth(500);
treeGrid.setHeight(400);
treeGrid.setAutoFetchData(true);
treeGrid.setDataSource(datasource);
TreeGridField field = new TreeGridField("manager", "Managers");
treeGrid.setFields(field);
treeGrid.fetchData();
treeGrid.draw();
}
public class ManagerDS extends GwtRPTDataSource {
private static ManagerDS instance = null;
public static ManagerDS getInstance() {
if (instance == null) {
instance = new ManagerDS();
}
return instance;
}
public ManagerDS() {
DataSourceTextField username = new DataSourceTextField("username", "Username");
username.setPrimaryKey(true);
setFields(username);
}
@Override
protected void executeFetch(final String requestId, final DSRequest request, final DSResponse response) {
/// in this method I would like to determine which ManagerNode is selected
// or is the first time called and we are getting all managers. If a
// managerNode is selected and the tree is to be expanded I will call the
// TrainingService.class instead of the ManagerService.class so I can fetch //all the training classes this manager has taken
ManagerServiceAsync mgrService = GWT.create(ManagerService.class);
mgrService.fetch(new AsyncCallback<List<ManagerRecord>> () {
@Override
public void onSuccess(List<ManagerRecord> result) {
ListGridRecord[] list = new ListGridRecord[result.size()];
for (int i=0; i<list.length; i++) {
ListGridRecord record = new ListGridRecord();
copyValues(result.get(i), record);
list[i] = record;
}
response.setData(list);
processResponse(requestId, response);
}
@Override
public void onFailure(Throwable caught) {
}
}
private static Boolean copyValues(ListGridRecord from, ManagerRecord to) {
to.setUsername(from.getAttributeAsString("username");
}
private static Boolean copyValues(ManagerRecord from, ListGridRecord to) {
to.setAttribute("username", from.getUsername());
}
}
public class ManagerRecord {
private String username;
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
}
public class TrainingRecord {
private String trainingName;
public String getTrainingName() {
return trainingName;
}
public void setTrainingName(String trainingName) {
this.trainingName = trainingName;
}
}
the executeFetch(final String requestId, final DSRequest request, final DSResponse response) {
String parentId = request.getCriteria().getAttribute("parentId");
}
onModuleLoad() {
DataSource dataSource = ManagerDS.getInstance();
TreeGrid treeGrid = new TreeGrid();
treeGrid.setLoadDataOnDemand(true);
treeGrid.setWidth(500);
treeGrid.setHeight(400);
treeGrid.setAutoFetchData(true);
treeGrid.setDataSource(datasource);
TreeGridField field = new TreeGridField("manager", "Managers");
treeGrid.setFields(field);
treeGrid.fetchData();
treeGrid.draw();
}
public class ManagerDS extends GwtRPTDataSource {
private static ManagerDS instance = null;
public static ManagerDS getInstance() {
if (instance == null) {
instance = new ManagerDS();
}
return instance;
}
public ManagerDS() {
DataSourceTextField username = new DataSourceTextField("username", "Username");
username.setPrimaryKey(true);
addField(username);
DataSourceIntegerField id = new DataSourceIntegerField("parentId", "parentId");
parentIdField.setRequired(true);
parentIdField.setHidden(true);
addField(parentIdField);
}
@Override
protected void executeFetch(final String requestId, final DSRequest request, final DSResponse response) {
/// in this method I would like to determine which ManagerNode is selected
// or is the first time called and we are getting all managers. If a
// managerNode is selected and the tree is to be expanded I will call the
// TrainingService.class instead of the ManagerService.class so I can fetch //all the training classes this manager has taken
// I get null for parentId below
String parentId = request.getCriteria().getAttribute("parentId");
ManagerServiceAsync mgrService = GWT.create(ManagerService.class);
mgrService.fetch(new AsyncCallback<List<ManagerRecord>> () {
@Override
public void onSuccess(List<ManagerRecord> result) {
ListGridRecord[] list = new ListGridRecord[result.size()];
for (int i=0; i<list.length; i++) {
ListGridRecord record = new ListGridRecord();
copyValues(result.get(i), record);
list[i] = record;
}
response.setData(list);
processResponse(requestId, response);
}
@Override
public void onFailure(Throwable caught) {
}
}
private static Boolean copyValues(ListGridRecord from, ManagerRecord to) {
to.setUsername(from.getAttributeAsString("username");
to.setId(from.getAttributeAsInt("parentId");
}
private static Boolean copyValues(ManagerRecord from, ListGridRecord to) {
to.setAttribute("username", from.getUsername());
to.setAttribute("parentId", from.getId());
}
}
Comment