Environment

• OS: Windows 10
• Eclipse Version: 2026-06
• Plugin Version: 0.18

Describe the bug
Eclipse logs contain an error soon after startup

!ENTRY com.microsoft.copilot.eclipse 4 0 2026-06-11 18:23:20.996 !MESSAGE [Error] org.eclipse.lsp4j.jsonrpc.ResponseErrorException: Invalid allowlist format: registry entries missing required fields !STACK 0 java.util.concurrent.CompletionException: org.eclipse.lsp4j.jsonrpc.ResponseErrorException: Invalid allowlist format: registry entries missing required fields at java.base/java.util.concurrent.CompletableFuture.encodeRelay(CompletableFuture.java:368) at java.base/java.util.concurrent.CompletableFuture.completeRelay(CompletableFuture.java:377) at java.base/java.util.concurrent.CompletableFuture$UniRelay.tryFire(CompletableFuture.java:1097) at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:510) at java.base/java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2194) at org.eclipse.lsp4j.jsonrpc.RemoteEndpoint.handleResponse(RemoteEndpoint.java:214) at org.eclipse.lsp4j.jsonrpc.RemoteEndpoint.consume(RemoteEndpoint.java:198) at org.eclipse.lsp4e.LanguageServerWrapper.lambda$3(LanguageServerWrapper.java:455) at org.eclipse.lsp4j.jsonrpc.json.StreamMessageProducer.handleMessage(StreamMessageProducer.java:189) at org.eclipse.lsp4j.jsonrpc.json.StreamMessageProducer.listen(StreamMessageProducer.java:97) at org.eclipse.lsp4j.jsonrpc.json.ConcurrentMessageProcessor.run(ConcurrentMessageProcessor.java:97) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) at java.base/java.lang.Thread.run(Thread.java:1583) Caused by: org.eclipse.lsp4j.jsonrpc.ResponseErrorException: Invalid allowlist format: registry entries missing required fields ... 11 more

To Reproduce
Steps to reproduce the behavior:

1. Start Eclipse
2. Check logs
3. See error

Expected behavior
No errors during Eclipse boot