#29360 Occasional error message in the log: "mainLayout" is null.

enhancement

critical

#29088

Model-based access rights

#29108

Lightweight UI definition layer (TL Views) based on React UI components

major

#28694

Description of model parts as formatted text (rich text)

#28708

Enable Standard Selection in (Tree) Tables and Grids via TL Script

#29102

Add com.top_logic.layout.react module for React/SSE integration

#29221

Automatic determination of possible authorization configurations

#29349

XML Parsing Functions for TL-Script via XMLImporter

#29374

TL Script: gzip()

#29389

Code Completion for Variables ($) in the TL Script Editor

#29396

Conversation display for TL Views: object list element, file chips, card panels

#29399

Info Service Notifications: Display at the bottom instead of the top, and keep them in place when hovering over them with the mouse

#29400

Introduce a first-class "operation mode" service for applications (OperationMode enum + ApplicationModeService)

minor

#29085

Re-login on session timeout instead of redirect to login page

#29089

Extend the TL Script functions log() and info() to include selectable message levels (INFO, WARN, ERROR)

#29195

Problems with HTML attributes and TL script

#29306

TL Script: dateFormat() should accept an explicit timezone to format Calendar values losslessly

#29382

Expose a public, classpath-driven overload of `Workspace.getAppPaths`

#29385

The app archetype should automatically generate a standard git-ignored local-credentials overlay (tl_config) by default

#29392

Transaction Abort on Non-2xx Response

#29398

defect

major

#29383

A dead SOCKET_APPENDER (Chainsaw, localhost:4445) in the default logging configuration can cause logging to stall and operations to abort under heavy load

#29384

The TL-Script functions `resetSequence` and `generateSequenceId` generate a different sequence ID than `SequenceDefaultProvider` (in terms of suffix and context order), so they cannot reset a provider-managed sequence with a dynamic context

#29394

Editable tables in the React UI: Generalized row-set bindings for tabular editing in forms

#29410

Attribut filename der Structured-Text-Bildablage case-sensitive (binär) speichern

#29419

Understandable save failures and form validation feedback in the React view layer

minor

#28816

Reference value attributes only generate errors with SingleSelection

#29359

Inappropriate tooltips on some main tabs

#29360

Occasional error message in the log: "mainLayout" is null.

#29361

Invalid database definition for tag

#29363

Missing validation of dialogs in GOTO statements to dialogs of invisible parents

#29380

Context-sensitive auto-numbering fails if the context and the numbered object are created within a single transaction

#29381

Double-clicking in a graphic component does not work reliably

#29390

Subtree selection ends too early if the lowest level is not included in the level filter

#29393

URL routing in the React view layer is broken: ForwardingReactContext does not delegate getRouteManager()

#29401

Images in an image drop zone cannot be copied or saved using the browser's context menu

#29402

Tree selection is lost when the view is refreshed (invalidated)

#29412

Flaky TestDynamicComponentService.testIncrementalUpdates: asserts on asynchronous WatchService event after a fixed 10ms sleep

#29416

Anzeige des Änderungslogs schlägt fehl, wenn parallel Änderungen committet werden

#29420

FlowDiagram: Fehlerfall im row-wise Sub-Grid: subGridCols=2 und subGridStartCol=1

#29426

FlowDiagram: Text in PDF-eingebettetem Diagramm ist nicht selektierbar

task

major

#29407

Security-Scan: npm-Abhängigkeiten der React-Module aktualisieren

#29408

Security-Scan: httpcore5 anheben; pdfbox-/azure-Findings bewerten

minor

#29415

Slim down the repository CLAUDE.md and consolidate developer guidance into skills and FAQ articles

defect

minor

#29360

Occasional error message in the log: "mainLayout" is null.

LayoutFramework

In TL 8.0.x (FFP context), the following message is occasionally logged. The cause is not yet known. No error is generated in the frontend.

2026-07-01T13:11:21.168 ERROR [qtp1514214932-180]: com.top_logic.base.services.simpleajax.AJAXServlet - Error in AJAX command. (commands: [command: 'notifyUnload', arguments: '{}'], sourceComponent: 'rootLayout#masterFrame', targetComponent: 'rootLayout#masterFrame', UserAgent[Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36]) S(v0WNpnAt0JUqMMvmps3ws4v8XAwwzd5JymsuivL5UL0=) 
java.lang.NullPointerException: Cannot invoke "com.top_logic.mig.html.layout.MainLayout.getComponentByName(com.top_logic.mig.html.layout.ComponentName)" because "mainLayout" is null
    at com.top_logic.base.services.simpleajax.AJAXServlet.getComponent(AJAXServlet.java:784)
	at com.top_logic.base.services.simpleajax.AJAXServlet.getSourceComponentReference(AJAXServlet.java:648)
	at com.top_logic.base.services.simpleajax.AJAXServlet.doPost(AJAXServlet.java:290)
    at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:653)
	at com.top_logic.util.TopLogicServlet.doService(TopLogicServlet.java:432)
    at com.top_logic.util.TopLogicServlet.inContext(TopLogicServlet.java:296)
	at com.top_logic.util.TopLogicServlet$1.inContext(TopLogicServlet.java:364)
    at com.top_logic.util.TLContextManager.inInteractionInternal(TLContextManager.java:283)
	at com.top_logic.util.TLContextManager.inInteraction(TLContextManager.java:259)
    at com.top_logic.util.TopLogicServlet.enterContext(TopLogicServlet.java:359)
	at com.top_logic.util.TopLogicServlet.serviceWithLogMark(TopLogicServlet.java:196)
    at com.top_logic.util.TopLogicServlet.lambda$service$0(TopLogicServlet.java:171)
	at com.top_logic.util.TopLogicServlet.withSessionIdLogMark(TopLogicServlet.java:239)
    at com.top_logic.util.TopLogicServlet.service(TopLogicServlet.java:170)
	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:723)
    at org.eclipse.jetty.ee10.servlet.ServletHolder$NotAsync.service(ServletHolder.java:1388)
	at org.eclipse.jetty.ee10.servlet.ServletHolder.handle(ServletHolder.java:754)
    at org.eclipse.jetty.ee10.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1622)
    at com.top_logic.knowledge.gui.layout.HttpSecureHeaderFilter.doFilter(HttpSecureHeaderFilter.java:135)
	at org.eclipse.jetty.ee10.servlet.FilterHolder.doFilter(FilterHolder.java:205)
    at org.eclipse.jetty.ee10.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1594)
    at org.eclipse.jetty.ee10.servlet.ServletHandler$MappedServlet.handle(ServletHandler.java:1556)
	at org.eclipse.jetty.ee10.servlet.ServletChannel.dispatch(ServletChannel.java:871)
    at org.eclipse.jetty.ee10.servlet.ServletChannel.handle(ServletChannel.java:449)
	at org.eclipse.jetty.ee10.servlet.ServletHandler.handle(ServletHandler.java:469)
    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:546)
	at org.eclipse.jetty.ee10.servlet.SessionHandler.handle(SessionHandler.java:719)
    at org.eclipse.jetty.server.handler.ContextHandler.handle(ContextHandler.java:1226)
	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:178)
    at org.eclipse.jetty.server.Server.handle(Server.java:197)
	at org.eclipse.jetty.server.internal.HttpChannelState$HandlerInvoker.run(HttpChannelState.java:788)
    at org.eclipse.jetty.server.internal.HttpConnection.onFillable(HttpConnection.java:420)
	at org.eclipse.jetty.server.internal.HttpConnection$FillableCallback.succeeded(HttpConnection.java:1809)
    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
	at org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:54)
    at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:492)
	at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.epcRunTask(AdaptiveExecutionStrategy.java:428)
    at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:401)
    at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:255)
	at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.run(AdaptiveExecutionStrategy.java:204)
    at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:317)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:1009)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1240)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1194)
    at java.base/java.lang.Thread.run(Thread.java:833)