Index: apache-tomcat-9.0.43-src/conf/logging.properties
===================================================================
--- apache-tomcat-9.0.43-src.orig/conf/logging.properties
+++ apache-tomcat-9.0.43-src/conf/logging.properties
@@ -77,3 +77,6 @@ org.apache.catalina.core.ContainerBase.[
 
 # To see debug messages for WebSocket handling, uncomment the following line:
 #org.apache.tomcat.websocket.level = FINE
+
+1catalina.org.apache.juli.AsyncFileHandler.suffix = out
+1catalina.org.apache.juli.AsyncFileHandler.rotatable = false