fix compile error

Author: guFalcon

pom.xml

@@ -10,7 +10,7 @@
 
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>websocket-server</artifactId>
-	<version>1.0.18</version>
+	<version>1.0.19</version>
 	<name>WebsocketServer</name>
 	<packaging>jar</packaging>
 

src/main/java/info/unterrainer/websocketserver/WebsocketServer.java

@@ -110,7 +110,7 @@ public WebsocketServer(String name, Javalin server, String keycloakHost, String
 
 		try {
 			tokenManager = new OauthTokenManager(this.keycloakHost, this.realm);
-			tokenManager.initPublicKey();
+			tokenManager.initPublicKeys();
 			isOauthEnabled = true;
 		} catch (Exception e) {
 			log.error("(" + name + ") Error initializing OauthTokenManager.", e);