GUACAMOLE-2181: Rely on automatic stack traces for debug-level logs.

extensions/guacamole-vault/modules/guacamole-vault-ksm/src/main/java/org/apache/guacamole/vault/ksm/conf/KsmAttributeService.java

@@ -155,15 +155,12 @@ public class KsmAttributeService implements VaultAttributeService {
 
         catch (GuacamoleException e) {
 
-            logger.warn(
-                    "Unable to determine if KSM user attributes "
-                    + "should be exposed due to config parsing error: {}.", e.getMessage());
-            logger.debug(
-                    "Config parsing error prevented checking user attribute configuration",
-                    e);
-
-            // If the configuration can't be parsed, default to not exposing the attributes
+            // If the configuration can't be parsed, default to not exposing
+            // the attributes
+            logger.warn("Unable to determine if KSM user attributes should be "
+                    + "exposed due to config parsing error: {}.", e.getMessage(), e);
             return Collections.emptyList();
+
         }
 
     }

extensions/guacamole-vault/modules/guacamole-vault-ksm/src/main/java/org/apache/guacamole/vault/ksm/secret/KsmClient.java

@@ -781,7 +781,7 @@ public class KsmClient {
             // Show the warning only if there is no fallback function
             // and this was the last attempt
             logger.warn("Keeper notation \"{}\" could not be resolved "
-                    + "to a record: {}", notation, e.getMessage());
+                    + "to a record: {}", notation, e.getMessage(), e);
 
             return CompletableFuture.completedFuture(null);
         }

extensions/guacamole-vault/modules/guacamole-vault-ksm/src/main/java/org/apache/guacamole/vault/ksm/user/KsmUser.java

@@ -87,13 +87,10 @@ import com.google.inject.assistedinject.AssistedInject;
         boolean userKsmConfigEnabled = false;
         try {
             userKsmConfigEnabled = configurationService.getAllowUserConfig();
-        } catch (GuacamoleException e) {
-
-            logger.warn(
-                    "Disabling user KSM config due to exception: {}"
-                    , e.getMessage());
-            logger.debug("Error looking up if user KSM config is enabled.", e);
-
+        }
+        catch (GuacamoleException e) {
+            logger.warn("Disabling user KSM config due to exception: {}",
+                    e.getMessage(), e);
         }
 
         // If user-specific KSM configuration is not enabled, do not expose the
@@ -112,4 +109,4 @@ import com.google.inject.assistedinject.AssistedInject;
         return attributes;
     }
 
- }
+ }