OK. I found the problem with the growing… my fault… a typo ‘stragegy’ must be ‘strategy’ for some item.
Let me clean up first and see if some items still show up like described in the topic.
Sorry for this mistake.
I still found the following errors when editing the .persist files in VSCode, how the first error came about I can’t remember exactly, but in any case I opened the .persist file at that time and copied the content …
2023-04-27 20:16:17.995 [ERROR] [xt.ide.server.concurrent.ReadRequest] - Error during request:
java.lang.RuntimeException: Cannot create a resource for 'virtual://openhab.org/persistence/strategy.global'; a registered resource factory is needed
at org.eclipse.xtext.resource.XtextResourceSet.getResource(XtextResourceSet.java:263) ~[?:?]
at org.eclipse.xtext.ide.server.ProjectManager.getResource(ProjectManager.java:169) ~[?:?]
at org.eclipse.xtext.ide.server.WorkspaceManager.doRead(WorkspaceManager.java:436) ~[?:?]
at org.eclipse.xtext.ide.server.findReferences.WorkspaceResourceAccess.readOnly(WorkspaceResourceAccess.java:36) ~[?:?]
at org.eclipse.xtext.ide.server.symbol.DocumentSymbolService.doRead(DocumentSymbolService.java:332) ~[?:?]
at org.eclipse.xtext.ide.server.symbol.DocumentSymbolService.getDefinitions(DocumentSymbolService.java:112) ~[?:?]
at org.eclipse.xtext.ide.server.symbol.DocumentSymbolService.getDefinitions(DocumentSymbolService.java:99) ~[?:?]
at org.eclipse.xtext.ide.server.LanguageServerImpl.lambda$definition$25(LanguageServerImpl.java:607) ~[?:?]
at org.eclipse.xtext.ide.server.WorkspaceManager.doRead(WorkspaceManager.java:438) ~[?:?]
at org.eclipse.xtext.ide.server.LanguageServerImpl.definition(LanguageServerImpl.java:606) ~[?:?]
at org.eclipse.xtext.ide.server.LanguageServerImpl.definition(LanguageServerImpl.java:594) ~[?:?]
at org.eclipse.xtext.ide.server.LanguageServerImpl.lambda$definition$24(LanguageServerImpl.java:585) ~[?:?]
at org.eclipse.xtext.ide.server.concurrent.ReadRequest.lambda$doRun$0(ReadRequest.java:66) ~[?:?]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) [?:?]
at java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
at java.lang.Thread.run(Thread.java:829) [?:?]
2023-04-27 20:16:19.074 [ERROR] [xt.ide.server.concurrent.ReadRequest] - Error during request:
java.lang.RuntimeException: Cannot create a resource for 'virtual://openhab.org/persistence/strategy.global'; a registered resource factory is needed
at org.eclipse.xtext.resource.XtextResourceSet.getResource(XtextResourceSet.java:263) ~[?:?]
at org.eclipse.xtext.ide.server.ProjectManager.getResource(ProjectManager.java:169) ~[?:?]
at org.eclipse.xtext.ide.server.WorkspaceManager.doRead(WorkspaceManager.java:436) ~[?:?]
at org.eclipse.xtext.ide.server.findReferences.WorkspaceResourceAccess.readOnly(WorkspaceResourceAccess.java:36) ~[?:?]
at org.eclipse.xtext.ide.server.symbol.DocumentSymbolService.doRead(DocumentSymbolService.java:332) ~[?:?]
at org.eclipse.xtext.ide.server.symbol.DocumentSymbolService.getDefinitions(DocumentSymbolService.java:112) ~[?:?]
at org.eclipse.xtext.ide.server.symbol.DocumentSymbolService.getDefinitions(DocumentSymbolService.java:99) ~[?:?]
at org.eclipse.xtext.ide.server.LanguageServerImpl.lambda$definition$25(LanguageServerImpl.java:607) ~[?:?]
at org.eclipse.xtext.ide.server.WorkspaceManager.doRead(WorkspaceManager.java:438) ~[?:?]
at org.eclipse.xtext.ide.server.LanguageServerImpl.definition(LanguageServerImpl.java:606) ~[?:?]
at org.eclipse.xtext.ide.server.LanguageServerImpl.definition(LanguageServerImpl.java:594) ~[?:?]
at org.eclipse.xtext.ide.server.LanguageServerImpl.lambda$definition$24(LanguageServerImpl.java:585) ~[?:?]
at org.eclipse.xtext.ide.server.concurrent.ReadRequest.lambda$doRun$0(ReadRequest.java:66) ~[?:?]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) [?:?]
at java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
at java.lang.Thread.run(Thread.java:829) [?:?]
2023-04-27 20:17:35.987 [ERROR] [t.ide.server.concurrent.WriteRequest] - Error during request:
java.util.concurrent.CompletionException: java.lang.RuntimeException: Cannot create a resource for 'virtual://openhab.org/persistence/strategy.global'; a registered resource factory is needed
at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:331) ~[?:?]
at java.util.concurrent.CompletableFuture.andTree(CompletableFuture.java:1452) ~[?:?]
at java.util.concurrent.CompletableFuture.andTree(CompletableFuture.java:1442) ~[?:?]
at java.util.concurrent.CompletableFuture.andTree(CompletableFuture.java:1444) ~[?:?]
at java.util.concurrent.CompletableFuture.allOf(CompletableFuture.java:2337) ~[?:?]
at org.eclipse.xtext.ide.server.concurrent.RequestManager.cancel(RequestManager.java:114) ~[?:?]
at org.eclipse.xtext.ide.server.concurrent.RequestManager.runWrite(RequestManager.java:80) ~[?:?]
at org.eclipse.xtext.ide.server.LanguageServerImpl.runBuildable(LanguageServerImpl.java:457) ~[?:?]
at org.eclipse.xtext.ide.server.LanguageServerImpl.didOpen(LanguageServerImpl.java:383) ~[?:?]
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
at org.eclipse.lsp4j.jsonrpc.services.GenericEndpoint.lambda$null$0(GenericEndpoint.java:65) ~[?:?]
at org.eclipse.lsp4j.jsonrpc.services.GenericEndpoint.notify(GenericEndpoint.java:152) ~[?:?]
at org.eclipse.lsp4j.jsonrpc.RemoteEndpoint.handleNotification(RemoteEndpoint.java:220) ~[?:?]
at org.eclipse.lsp4j.jsonrpc.RemoteEndpoint.consume(RemoteEndpoint.java:187) ~[?:?]
at org.eclipse.lsp4j.jsonrpc.json.StreamMessageProducer.handleMessage(StreamMessageProducer.java:194) ~[?:?]
at org.eclipse.lsp4j.jsonrpc.json.StreamMessageProducer.listen(StreamMessageProducer.java:94) ~[?:?]
at org.eclipse.lsp4j.jsonrpc.json.ConcurrentMessageProcessor.run(ConcurrentMessageProcessor.java:113) ~[?:?]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) [?:?]
at java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.RuntimeException: Cannot create a resource for 'virtual://openhab.org/persistence/strategy.global'; a registered resource factory is needed
at org.eclipse.xtext.resource.XtextResourceSet.getResource(XtextResourceSet.java:263) ~[?:?]
at org.eclipse.xtext.ide.server.ProjectManager.getResource(ProjectManager.java:169) ~[?:?]
at org.eclipse.xtext.ide.server.WorkspaceManager.doRead(WorkspaceManager.java:436) ~[?:?]
at org.eclipse.xtext.ide.server.findReferences.WorkspaceResourceAccess.readOnly(WorkspaceResourceAccess.java:36) ~[?:?]
at org.eclipse.xtext.ide.server.symbol.DocumentSymbolService.doRead(DocumentSymbolService.java:332) ~[?:?]
at org.eclipse.xtext.ide.server.symbol.DocumentSymbolService.getDefinitions(DocumentSymbolService.java:112) ~[?:?]
at org.eclipse.xtext.ide.server.symbol.DocumentSymbolService.getDefinitions(DocumentSymbolService.java:99) ~[?:?]
at org.eclipse.xtext.ide.server.LanguageServerImpl.lambda$definition$25(LanguageServerImpl.java:607) ~[?:?]
at org.eclipse.xtext.ide.server.WorkspaceManager.doRead(WorkspaceManager.java:438) ~[?:?]
at org.eclipse.xtext.ide.server.LanguageServerImpl.definition(LanguageServerImpl.java:606) ~[?:?]
at org.eclipse.xtext.ide.server.LanguageServerImpl.definition(LanguageServerImpl.java:594) ~[?:?]
at org.eclipse.xtext.ide.server.LanguageServerImpl.lambda$definition$24(LanguageServerImpl.java:585) ~[?:?]
at org.eclipse.xtext.ide.server.concurrent.ReadRequest.lambda$doRun$0(ReadRequest.java:66) ~[?:?]
... 5 more
2023-04-28 09:48:48.231 [ERROR] [st.antlr.ContentAssistContextFactory] - java.lang.RuntimeException: java.lang.NullPointerException
java.util.concurrent.ExecutionException: java.lang.RuntimeException: java.lang.NullPointerException
at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:?]
at java.util.concurrent.FutureTask.get(FutureTask.java:191) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.ContentAssistContextFactory.doCreateContexts(ContentAssistContextFactory.java:181) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.ContentAssistContextFactory.create(ContentAssistContextFactory.java:131) ~[?:?]
at org.eclipse.xtext.ide.server.contentassist.ContentAssistService.createProposals(ContentAssistService.java:104) ~[?:?]
at org.eclipse.xtext.ide.server.contentassist.ContentAssistService.createCompletionList(ContentAssistService.java:78) ~[?:?]
at org.eclipse.xtext.ide.server.LanguageServerImpl.lambda$completion$23(LanguageServerImpl.java:555) ~[?:?]
at org.eclipse.xtext.ide.server.WorkspaceManager.doRead(WorkspaceManager.java:438) ~[?:?]
at org.eclipse.xtext.ide.server.LanguageServerImpl.completion(LanguageServerImpl.java:554) ~[?:?]
at org.eclipse.xtext.ide.server.LanguageServerImpl.lambda$completion$22(LanguageServerImpl.java:540) ~[?:?]
at org.eclipse.xtext.ide.server.concurrent.ReadRequest.lambda$doRun$0(ReadRequest.java:66) ~[?:?]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) [?:?]
at java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.RuntimeException: java.lang.NullPointerException
at org.eclipse.xtext.ide.editor.contentassist.antlr.BaseContentAssistParser.getFollowElements(BaseContentAssistParser.java:246) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.BaseContentAssistParser.getFollowElements(BaseContentAssistParser.java:237) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.BaseContentAssistParser.getFollowElements(BaseContentAssistParser.java:232) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.AbstractContentAssistParser.getFollowElements(AbstractContentAssistParser.java:49) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.AbstractContentAssistParser.getFollowElements(AbstractContentAssistParser.java:27) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.BaseContentAssistParser.getFollowElements(BaseContentAssistParser.java:264) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.ContentAssistContextFactory.handleLastCompleteNodeIsAtEndOfDatatypeNode(ContentAssistContextFactory.java:230) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.ContentAssistContextFactory$2.call(ContentAssistContextFactory.java:161) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.ContentAssistContextFactory$2.call(ContentAssistContextFactory.java:158) ~[?:?]
... 4 more
Caused by: java.lang.NullPointerException
at java.util.Objects.requireNonNull(Objects.java:221) ~[?:?]
at java.lang.Class.getMethod(Class.java:2101) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.BaseContentAssistParser.getFollowElements(BaseContentAssistParser.java:169) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.BaseContentAssistParser.getFollowElements(BaseContentAssistParser.java:242) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.BaseContentAssistParser.getFollowElements(BaseContentAssistParser.java:237) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.BaseContentAssistParser.getFollowElements(BaseContentAssistParser.java:232) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.AbstractContentAssistParser.getFollowElements(AbstractContentAssistParser.java:49) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.AbstractContentAssistParser.getFollowElements(AbstractContentAssistParser.java:27) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.BaseContentAssistParser.getFollowElements(BaseContentAssistParser.java:264) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.ContentAssistContextFactory.handleLastCompleteNodeIsAtEndOfDatatypeNode(ContentAssistContextFactory.java:230) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.ContentAssistContextFactory$2.call(ContentAssistContextFactory.java:161) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.ContentAssistContextFactory$2.call(ContentAssistContextFactory.java:158) ~[?:?]
... 4 more
2023-04-28 09:48:48.236 [ERROR] [st.antlr.ContentAssistContextFactory] - java.lang.RuntimeException: java.lang.NullPointerException
java.util.concurrent.ExecutionException: java.lang.RuntimeException: java.lang.NullPointerException
at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:?]
at java.util.concurrent.FutureTask.get(FutureTask.java:191) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.ContentAssistContextFactory.doCreateContexts(ContentAssistContextFactory.java:181) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.ContentAssistContextFactory.create(ContentAssistContextFactory.java:131) ~[?:?]
at org.eclipse.xtext.ide.server.contentassist.ContentAssistService.createProposals(ContentAssistService.java:104) ~[?:?]
at org.eclipse.xtext.ide.server.contentassist.ContentAssistService.createCompletionList(ContentAssistService.java:78) ~[?:?]
at org.eclipse.xtext.ide.server.LanguageServerImpl.lambda$completion$23(LanguageServerImpl.java:555) ~[?:?]
at org.eclipse.xtext.ide.server.WorkspaceManager.doRead(WorkspaceManager.java:438) ~[?:?]
at org.eclipse.xtext.ide.server.LanguageServerImpl.completion(LanguageServerImpl.java:554) ~[?:?]
at org.eclipse.xtext.ide.server.LanguageServerImpl.lambda$completion$22(LanguageServerImpl.java:540) ~[?:?]
at org.eclipse.xtext.ide.server.concurrent.ReadRequest.lambda$doRun$0(ReadRequest.java:66) ~[?:?]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) [?:?]
at java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.RuntimeException: java.lang.NullPointerException
at org.eclipse.xtext.ide.editor.contentassist.antlr.BaseContentAssistParser.getFollowElements(BaseContentAssistParser.java:246) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.BaseContentAssistParser.getFollowElements(BaseContentAssistParser.java:237) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.BaseContentAssistParser.getFollowElements(BaseContentAssistParser.java:232) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.AbstractContentAssistParser.getFollowElements(AbstractContentAssistParser.java:49) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.AbstractContentAssistParser.getFollowElements(AbstractContentAssistParser.java:27) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.BaseContentAssistParser.getFollowElements(BaseContentAssistParser.java:264) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.ContentAssistContextFactory.createContextsForLastCompleteNode(ContentAssistContextFactory.java:299) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.ContentAssistContextFactory.handleLastCompleteNodeIsPartOfLookahead(ContentAssistContextFactory.java:220) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.ContentAssistContextFactory$3.call(ContentAssistContextFactory.java:172) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.ContentAssistContextFactory$3.call(ContentAssistContextFactory.java:169) ~[?:?]
... 4 more
Caused by: java.lang.NullPointerException
at java.util.Objects.requireNonNull(Objects.java:221) ~[?:?]
at java.lang.Class.getMethod(Class.java:2101) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.BaseContentAssistParser.getFollowElements(BaseContentAssistParser.java:169) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.BaseContentAssistParser.getFollowElements(BaseContentAssistParser.java:242) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.BaseContentAssistParser.getFollowElements(BaseContentAssistParser.java:237) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.BaseContentAssistParser.getFollowElements(BaseContentAssistParser.java:232) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.AbstractContentAssistParser.getFollowElements(AbstractContentAssistParser.java:49) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.AbstractContentAssistParser.getFollowElements(AbstractContentAssistParser.java:27) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.BaseContentAssistParser.getFollowElements(BaseContentAssistParser.java:264) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.ContentAssistContextFactory.createContextsForLastCompleteNode(ContentAssistContextFactory.java:299) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.ContentAssistContextFactory.handleLastCompleteNodeIsPartOfLookahead(ContentAssistContextFactory.java:220) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.ContentAssistContextFactory$3.call(ContentAssistContextFactory.java:172) ~[?:?]
at org.eclipse.xtext.ide.editor.contentassist.antlr.ContentAssistContextFactory$3.call(ContentAssistContextFactory.java:169) ~[?:?]
... 4 more
Please be aware that LSP is used for every single character that is typed, so it’s normal to get many errors while typing.
Another question is, if it would be better to wait at least until end of a word 
1 Like
If the .persist file is invalid, the default strategy is applied. This explains why the database is filling up quickly, because every change of every item is persisted in that case.