CSPACE-6042: Avoid returning null as a toString() value from InvocationError.

diff --git a/services/common/src/main/java/org/collectionspace/services/common/invocable/Invocable.java b/services/common/src/main/java/org/collectionspace/services/common/invocable/Invocable.java
index ce206ea8dd9ffc580a535450fb78c5e981b64252..8c498d86ec948e6a7ca07e141d3821d4e5cba940 100644 (file)
--- a/services/common/src/main/java/org/collectionspace/services/common/invocable/Invocable.java
+++ b/services/common/src/main/java/org/collectionspace/services/common/invocable/Invocable.java
@@ -24,6 +24,7 @@ package org.collectionspace.services.common.invocable;
 
 import org.collectionspace.services.common.invocable.InvocationContext;
 import java.util.List;
+import org.collectionspace.services.common.api.Tools;
 
 /**
  * Invocable defines an interface for invocable jobs (batch, reports, exports,
@@ -59,7 +60,7 @@ public interface Invocable {
 
         @Override
         public String toString() {
-            return getMessage();
+            return (Tools.notBlank(message)) ? message : "No error message provided";  
         }
     }
     public String INVOCATION_MODE_SINGLE = "single";