Hej,
I am having same issue. And here is the log from the output:
Summary
Starting connected SonarLint engine for Loreal...
Create : C:\Users\julius.spudvilas\.sonarlint\plugins
Plugin cache: C:\Users\julius.spudvilas\.sonarlint\plugins
Create : C:\Users\julius.spudvilas\.sonarlint\plugins\_tmp
Load plugins
Load plugins (done) | time=0ms
No plugins loaded
[Warn - 11:14:01 AM] No storage for server 'Loreal'. Please update.
Connected SonarLint engine started for Loreal
Updating global storage of server Loreal, may take some time...
Create : C:\Users\julius.spudvilas\.sonarlint\plugins
Plugin cache: C:\Users\julius.spudvilas\.sonarlint\plugins
Create : C:\Users\julius.spudvilas\.sonarlint\plugins\_tmp
GET 200 STUFF.... | response time=311ms
Create : C:\Users\julius.spudvilas\.sonarlint\plugins
Plugin cache: C:\Users\julius.spudvilas\.sonarlint\plugins
Create : C:\Users\julius.spudvilas\.sonarlint\plugins\_tmp
Load plugins
Load plugins (done) | time=0ms
No plugins loaded
[Warn - 11:14:01 AM] No storage for server 'Loreal'. Please update.
Oct 28, 2019 11:14:01 AM org.eclipse.lsp4j.jsonrpc.RemoteEndpoint fallbackResponseError
SEVERE: Internal error: java.lang.IllegalStateException: Unable to parse server infos from: <!DOCTYPE html>
<html>
<head>
<title>Sign in ? Cloudflare Access</title>
<meta charset=...
java.util.concurrent.CompletionException: java.lang.IllegalStateException: Unable to parse server infos from: <!DOCTYPE html>
<html>
<head>
<title>Sign in ? Cloudflare Access</title>
<meta charset=...
at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:314)
at java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:319)
at java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:645)
at java.base/java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:479)
at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290)
at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1020)
at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1656)
at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1594)
at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
Caused by: java.lang.IllegalStateException: Unable to parse server infos from: <!DOCTYPE html>
<html>
<head>
<title>Sign in ? Cloudflare Access</title>
<meta charset=...
at org.sonarsource.sonarlint.core.container.connected.validate.ServerVersionAndStatusChecker.lambda$fetchServerInfos$1(ServerVersionAndStatusChecker.java:117)
at org.sonarsource.sonarlint.core.container.connected.SonarLintWsClient.processTimed(SonarLintWsClient.java:228)
at org.sonarsource.sonarlint.core.container.connected.validate.ServerVersionAndStatusChecker.fetchServerInfos(ServerVersionAndStatusChecker.java:101)
at org.sonarsource.sonarlint.core.container.connected.validate.ServerVersionAndStatusChecker.checkVersionAndStatus(ServerVersionAndStatusChecker.java:65)
at org.sonarsource.sonarlint.core.container.connected.validate.ServerVersionAndStatusChecker.checkVersionAndStatus(ServerVersionAndStatusChecker.java:55)
at org.sonarsource.sonarlint.core.container.connected.update.perform.GlobalStorageUpdateExecutor.update(GlobalStorageUpdateExecutor.java:77)
at org.sonarsource.sonarlint.core.container.connected.ConnectedContainer.update(ConnectedContainer.java:115)
at org.sonarsource.sonarlint.core.ConnectedSonarLintEngineImpl.lambda$update$1(ConnectedSonarLintEngineImpl.java:174)
at org.sonarsource.sonarlint.core.ConnectedSonarLintEngineImpl.runInConnectedContainer(ConnectedSonarLintEngineImpl.java:311)
at org.sonarsource.sonarlint.core.ConnectedSonarLintEngineImpl.lambda$update$2(ConnectedSonarLintEngineImpl.java:174)
at org.sonarsource.sonarlint.core.ConnectedSonarLintEngineImpl.withRwLock(ConnectedSonarLintEngineImpl.java:325)
at org.sonarsource.sonarlint.core.ConnectedSonarLintEngineImpl.update(ConnectedSonarLintEngineImpl.java:169)
at org.sonarlint.languageserver.SonarLintLanguageServer.updateServerStorage(SonarLintLanguageServer.java:271)
at org.sonarlint.languageserver.SonarLintLanguageServer.lambda$handleUpdateServerStorageCommand$2(SonarLintLanguageServer.java:262)
at java.base/java.util.HashMap.forEach(HashMap.java:1333)
at org.sonarlint.languageserver.ServerInfoCache.forEach(ServerInfoCache.java:85)
at org.sonarlint.languageserver.SonarLintLanguageServer.handleUpdateServerStorageCommand(SonarLintLanguageServer.java:257)
at org.sonarlint.languageserver.SonarLintLanguageServer.lambda$executeCommand$21(SonarLintLanguageServer.java:818)
at java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:642)
... 6 more
Caused by: com.google.protobuf.InvalidProtocolBufferException: Expect message object but got: "<!DOCTYPE"
at com.google.protobuf.util.JsonFormat$ParserImpl.mergeMessage(JsonFormat.java:1400)
at com.google.protobuf.util.JsonFormat$ParserImpl.merge(JsonFormat.java:1377)
at com.google.protobuf.util.JsonFormat$ParserImpl.merge(JsonFormat.java:1259)
at com.google.protobuf.util.JsonFormat$Parser.merge(JsonFormat.java:407)
at org.sonarsource.sonarlint.core.container.connected.validate.ServerVersionAndStatusChecker.lambda$fetchServerInfos$1(ServerVersionAndStatusChecker.java:114)
... 24 more
[Warn - 11:14:01 AM] Storage of server 'Loreal' requires an update