From 5bbe67f68fcd89f6bf3bb2d885c8388a464ab1c6 Mon Sep 17 00:00:00 2001
From: Andrea Cavalli <andrea@cavallium.it>
Date: Tue, 9 Nov 2021 15:59:59 +0100
Subject: [PATCH] Avoid errors during startup/shutdown

---
 .../it/tdlight/common/internal/InternalReactiveClient.java  | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/main/java/it/tdlight/common/internal/InternalReactiveClient.java b/src/main/java/it/tdlight/common/internal/InternalReactiveClient.java
index bc5cf8a..7ade683 100644
--- a/src/main/java/it/tdlight/common/internal/InternalReactiveClient.java
+++ b/src/main/java/it/tdlight/common/internal/InternalReactiveClient.java
@@ -50,7 +50,11 @@ public final class InternalReactiveClient implements ClientEventsHandler, Reacti
 		this.clientManager = clientManager;
 		this.updateHandler = new Handler<>(this::onUpdateFromHandler, this::onUpdateException);
 		this.defaultExceptionHandler = this::onDefaultException;
-		Runtime.getRuntime().addShutdownHook(shutdownHook);
+		try {
+			Runtime.getRuntime().addShutdownHook(shutdownHook);
+		} catch (IllegalStateException ex) {
+			this.onJVMShutdown();
+		}
 	}
 
 	@Override