diff --git a/src/main/java/ch/psi/daq/queryrest/controller/QueryRestController.java b/src/main/java/ch/psi/daq/queryrest/controller/QueryRestController.java
index 08a0d9e..2f855d2 100644
--- a/src/main/java/ch/psi/daq/queryrest/controller/QueryRestController.java
+++ b/src/main/java/ch/psi/daq/queryrest/controller/QueryRestController.java
@@ -100,7 +100,11 @@ public class QueryRestController {
                appContext.getBean(QueryConfig.BEAN_NAME_CASSANDRA_QUERY_PROCESSOR, QueryProcessor.class);
          queryProcessors.put(queryProcessor.getBackend(), queryProcessor);
       } catch (Exception e) {
-         LOGGER.warn("Could not load query processor for cassandra.", e);
+         LOGGER.warn("");
+         LOGGER.warn("##########");
+         LOGGER.warn("Could not load query processor for cassandra.");
+         LOGGER.warn("##########");
+         LOGGER.warn("");
       }
 
       try {
@@ -108,7 +112,11 @@ public class QueryRestController {
                appContext.getBean(QueryConfig.BEAN_NAME_ARCHIVER_APPLIANCE_QUERY_PROCESSOR, QueryProcessor.class);
          queryProcessors.put(queryProcessor.getBackend(), queryProcessor);
       } catch (Exception e) {
-         LOGGER.warn("Could not load query processor for archiverappliance.", e);
+         LOGGER.warn("");
+         LOGGER.warn("##########");
+         LOGGER.warn("Could not load query processor for archiverappliance.");
+         LOGGER.warn("##########");
+         LOGGER.warn("");
       }
 
       channelNameCache =