| Summary: | [Tree][Table] JavaScript error under some constellations | ||
|---|---|---|---|
| Product: | [RT] RAP | Reporter: | Sebastian von Klinski <sebastian.vonklinski> |
| Component: | RWT | Assignee: | Project Inbox <rap-inbox> |
| Status: | RESOLVED FIXED | QA Contact: | |
| Severity: | critical | ||
| Priority: | P1 | CC: | tbuschto |
| Version: | 2.0 | ||
| Target Milestone: | 2.0 M3 | ||
| Hardware: | PC | ||
| OS: | Windows 7 | ||
| Whiteboard: | |||
My colleague Tim got the same error once. We have to address this issue with a high priority as this is a regression. Here is how to reproduce it:
1. Create a TableViewer with enough items to scroll
2. Scroll down
3. Execute this:
getViewer().getTable().showItem( getViewer().getTable().getItem( 0 ) );
getViewer().setItemCount( 0 );
The offending code is here in Grid.js:
setTopItemIndex : function( index ) {
this._updateScrollHeight();
var offset = this._rootItem.findItemByFlatIndex( index ).getOffset();
...
Fixed with commit b9f69730a93bbe266ff3c5f45bffeef1f8781243 by checking item for null/undefined before calling getOffset |
I get crashes of rap 2.0. Unfortunatley, these crashes cannot be reproduced in a consistent matter. Any interaction with a RWT component could produce the crash. Before, I ran the project under rap 1.4 and never had similar problems. I get the following message. Sorry, for the sparse information. Please tell me what additional information I could provide. Thanks in advance, Sebastian ____________________________________________________________________ Could not process server response: Error: Error: Operation "set" on target "w1316" of type "rwt.widgets.Grid" failed: Cannot call method 'getOffset' of undefined Properties: itemCount = 0 itemHeight = 21 itemMetrics = 0,0,40,0,0,0,0,1,40,43,0,0,0,0 topItemIndex = 0 focusItem = null scrollBarsVisible = false,false Script: { "head": { "requestCounter": 768 }, "operations": [ [ "destroy", "w1320" ], [ "destroy", "w1321" ], [ "destroy", "w1322" ], [ "destroy", "w1323" ], [ "destroy", "w1324" ], [ "destroy", "w1325" ], [ "destroy", "w1326" ], [ "destroy", "w1327" ], [ "destroy", "w1328" ], [ "destroy", "w1329" ], [ "destroy", "w1330" ], [ "destroy", "w1331" ], [ "destroy", "w1332" ], [ "destroy", "w1333" ], [ "destroy", "w1334" ], [ "destroy", "w1335" ], [ "destroy", "w1336" ], [ "destroy", "w1337" ], [ "destroy", "w1338" ], [ "destroy", "w1339" ], [ "destroy", "w1340" ], [ "destroy", "w1341" ], [ "destroy", "w1342" ], [ "destroy", "w1343" ], [ "destroy", "w1344" ], [ "destroy", "w1345" ], [ "destroy", "w1346" ], [ "destroy", "w1347" ], [ "destroy", "w1348" ], [ "destroy", "w1349" ], [ "destroy", "w1350" ], [ "destroy", "w1351" ], [ "destroy", "w1352" ], [ "destroy", "w1353" ], [ "destroy", "w1354" ], [ "destroy", "w1355" ], [ "destroy", "w1356" ], [ "destroy", "w1357" ], [ "destroy", "w1358" ], [ "destroy", "w1359" ], [ "destroy", "w1360" ], [ "destroy", "w2387" ], [ "destroy", "w2388" ], [ "destroy", "w2390" ], [ "destroy", "w2392" ], [ "destroy", "w2394" ], [ "destroy", "w2396" ], [ "destroy", "w2397" ], [ "destroy", "w2398" ], [ "destroy", "w2399" ], [ "set", "w2", { "defaultButton": null } ], [ "set", "w3", { "text": "Selektiert PluginRole (alle Angaben korrekt): Hochschullehrer.hvs.core.rcp" } ], [ "set", "w1158", { "text": "de.coservices.daif.hvs.core.rcp" } ], [ "set", "w1114", { "text": "Hochschullehrer.hvs.core.rcp" } ], [ "set", "w1115", { "text": "Hochschullehrer.hvs.core.rcp" } ], [ "set", "w1127", { ... here comes a lot of similar text... "parent": "w1434", "index": 160, "texts": [ "null", "-", "null", "StudienplanEinheitCompositeHandler", "SimpleStaticModulkatalogListCompositeHandler" ] } ], [ "create", "w2656", "rwt.widgets.GridItem", { "parent": "w1434", "index": 161, "texts": [ "null", "-", "null", "StudienplanEinheitCompositeHandler", "StudienplanArtSpezialisierungConfigurationDataCompositeHandler" ] } ], [ "call", "rwt.client.TextSizeMeasurement", "measureItems", { "items": [ [ "t1053599539", "Agreement Template: EntityViewFactory", [ "Verdana", "Lucida Sans", "Arial", "Helvetica", "sans-serif" ], 12, false, false, -1, false ], [ "t1166419837", "EntityAttributeCategorySelector", [ "Verdana", "Lucida Sans", "Arial", "Helvetica", "sans-serif" ], 12, false, false, -1, false ], [ "t96754293", "StandardPeriodenZulassungViewFactory", [ "Verdana", "Lucida Sans", "Arial", "Helvetica", "sans-serif" ], 12, false, false, -1, false ], [ "t1719068278", "StaticModulkatalogViewFactory", [ "Verdana", "Lucida Sans", "Arial", "Helvetica", "sans-serif" ], 12, false, false, -1, false ], [ "t-82075185", "LehrauftragAgreementExtension", [ "Verdana", "Lucida Sans", "Arial", "Helvetica", "sans-serif" ], 12, false, false, -1, false ], [ "t873406166", "Dialog öffnen: Agreement Template", [ "Verdana", "Lucida Sans", "Arial", "Helvetica", "sans-serif" ], 12, false, false, -1, false ], [ "t-138771898", "Lehrauftrag Agreement: EntityViewFactory", [ "Verdana", "Lucida Sans", "Arial", "Helvetica", "sans-serif" ], 12, false, false, -1, false ], [ "t-64294147", "StaticUnitkatalogViewFactory", [ "Verdana", "Lucida Sans", "Arial", "Helvetica", "sans-serif" ], 12, false, false, -1, false ], [ "t918417370", "DynamicModulkatalogMultiEntitySelectorComposite", [ "Verdana", "Lucida Sans", "Arial", "Helvetica", "sans-serif" ], 12, false, false, -1, false ], [ "t470998836", "Hochschulbereich: Multi-Entity Selector", [ "Verdana", "Lucida Sans", "Arial", "Helvetica", "sans-serif" ], 12, false, false, -1, false ], [ "t-3569606", "Modulart: Entity Outputter", [ "Verdana", "Lucida Sans", "Arial", "Helvetica", "sans-serif" ], 12, false, false, -1, false ], [ "t767511907", "Open View: Dynamischer Modulkatalog", [ "Verdana", "Lucida Sans", "Arial", "Helvetica", "sans-serif" ], 12, false, false, -1, false ], [ "t-1758344662", "HochschuleViewFactory", [ "Verdana", "Lucida Sans", "Arial", "Helvetica", "sans-serif" ], 12, false, false, -1, false ], [ "t-1914193733", "AppendModulAsReferenceToOwnerAction", [ "Verdana", "Lucida Sans", "Arial", "Helvetica", "sans-serif" ], 12, false, false, -1, false ], [ "t-1430628001", "Modulart: Multi-Entity Selector", [ "Verdana", "Lucida Sans", "Arial", "Helvetica", "sans-serif" ], 12, false, false, -1, false ], [ "t387089079", "AgreementGroupViewFactory", [ "Verdana", "Lucida Sans", "Arial", "Helvetica", "sans-serif" ], 12, false, false, -1, false ], [ "t-718249008", "Dialog öffnen: Modulart", [ "Verdana", "Lucida Sans", "Arial", "Helvetica", "sans-serif" ], 12, false, false, -1, 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