1. 2014-04-16 [logback-dev] [JIRA] (LOGBACK-976) Detect multiple in logback-d JIRA 2. 2014-04-16 [logback-dev] [JIRA] (LOGBACK-976) Detect multiple in logback-d JIRA 3. 2014-04-16 [logback-dev] [JIRA] (LOGBACK-976) Detect multiple in logback-d JIRA