From fdb10451ecffed8ff156899bdd4975f130761fdf Mon Sep 17 00:00:00 2001
From: lolodomo <lg.hc@free.fr>
Date: Tue, 25 Jul 2023 23:54:31 +0200
Subject: [PATCH] [googletts] Avoid UnsupportedOperationException during
 dispose (#15305)

Fix #15303

It is not allowed to clear an unmodified hash set.

Signed-off-by: Laurent Garnier <lg.hc@free.fr>
---
 .../openhab/voice/googletts/internal/GoogleTTSService.java    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/bundles/org.openhab.voice.googletts/src/main/java/org/openhab/voice/googletts/internal/GoogleTTSService.java b/bundles/org.openhab.voice.googletts/src/main/java/org/openhab/voice/googletts/internal/GoogleTTSService.java
index d03e72c8d0d..13810f78bc6 100644
--- a/bundles/org.openhab.voice.googletts/src/main/java/org/openhab/voice/googletts/internal/GoogleTTSService.java
+++ b/bundles/org.openhab.voice.googletts/src/main/java/org/openhab/voice/googletts/internal/GoogleTTSService.java
@@ -136,8 +136,8 @@ public class GoogleTTSService extends AbstractCachedTTSService {
     @Deactivate
     protected void dispose() {
         apiImpl.dispose();
-        audioFormats.clear();
-        allVoices.clear();
+        audioFormats = new HashSet<>();
+        allVoices = new HashSet<>();
     }
 
     /**