Merge remote-tracking branch 'apache/4.19' into 4.20

Author: weizhouapache

engine/orchestration/src/main/java/com/cloud/agent/manager/AgentManagerImpl.java

@@ -1571,7 +1571,7 @@ protected void processRequest(final Link link, final Request request) {
                         }
                     }
                 } catch (final Throwable th) {
-                    logger.warn("Caught: ", th);
+                    logger.error("Caught: ", th);
                     answer = new Answer(cmd, false, th.getMessage());
                 }
                 answers[i] = answer;
@@ -1586,7 +1586,7 @@ protected void processRequest(final Link link, final Request request) {
             try {
                 link.send(response.toBytes());
             } catch (final ClosedChannelException e) {
-                logger.warn("Unable to send response because connection is closed: {}", response);
+                logger.error("Unable to send response because connection is closed: {}", response);
             }
         }