diff --git a/slider-core/src/main/java/org/apache/slider/client/SliderClient.java b/slider-core/src/main/java/org/apache/slider/client/SliderClient.java
index 6baeed6..9050e4f 100644
--- a/slider-core/src/main/java/org/apache/slider/client/SliderClient.java
+++ b/slider-core/src/main/java/org/apache/slider/client/SliderClient.java
@@ -1735,7 +1735,7 @@
       appDefinitionPersister.persistPackages();
 
     } catch (LockAcquireFailedException e) {
-      log.warn("Failed to get a Lock on {} : {}", builder, e);
+      log.warn("Failed to get a Lock on {} : {}", builder, e, e);
       throw new BadClusterStateException("Failed to save " + clustername
                                          + ": " + e);
     }
@@ -1765,7 +1765,7 @@
     try {
       clusterConf = loadPersistedClusterDescription(clustername);
     } catch (LockAcquireFailedException e) {
-      log.warn("Failed to get a Lock on cluster resource : {}", e);
+      log.warn("Failed to get a Lock on cluster resource : {}", e, e);
       throw new BadClusterStateException(
           "Failed to load client resource definition " + clustername + ": "
               + e);