Check_MK Werk 0819: Fixed keepalive termination in case of exceptions during checking

ID: 0819 Title: Fixed keepalive termination in case of exceptions during checking Component: Checks & Agents Level: 1 Class: Bug Fix Version: 1.2.5i4 For example regular appearing exceptions like "Cannot resolve hostname..." were terminating the keepalive instance. This restart of the keepalive process is not expected to be done in such situations.