Werk #4375: check_sql: Fixed reporting configuration issues to monitoring core

KomponenteChecks & Agents
Titelcheck_sql: Fixed reporting configuration issues to monitoring core
Datum2017-02-17 09:29:46
Check_MK EditionCheck_MK Raw Edition (CRE)
Check_MK Version1.4.0b3,1.5.0i1,1.2.8p18
LevelTrivial Change
KlasseBug Fix
KompatibilitätKompatibel - benötigt kein manuelles Eingreifen

The plugin was writing it's textual output to stderr in case of errors or configuration problems which is not processed by the core. So the plugin output could be empty.