diff --git a/Core/src/org/sleuthkit/autopsy/discovery/search/DomainSearchArtifactsCache.java b/Core/src/org/sleuthkit/autopsy/discovery/search/DomainSearchArtifactsCache.java
index 7efc42e219..d3bb153176 100755
--- a/Core/src/org/sleuthkit/autopsy/discovery/search/DomainSearchArtifactsCache.java
+++ b/Core/src/org/sleuthkit/autopsy/discovery/search/DomainSearchArtifactsCache.java
@@ -29,7 +29,7 @@ import org.sleuthkit.datamodel.BlackboardArtifact;
  */
 public class DomainSearchArtifactsCache {
 
-    private static final int MAXIMUM_CACHE_SIZE = 5;
+    private static final int MAXIMUM_CACHE_SIZE = 500;
     private static final LoadingCache<DomainSearchArtifactsRequest, List<BlackboardArtifact>> cache
             = CacheBuilder.newBuilder()
                     .maximumSize(MAXIMUM_CACHE_SIZE)
@@ -49,7 +49,7 @@ public class DomainSearchArtifactsCache {
         try {
             return cache.get(request);
         } catch (ExecutionException ex) {
-            throw new DiscoveryException("Error fetching artifacts from cache", ex.getCause());
+            throw new DiscoveryException("Error fetching artifacts from cache", ex);
         }
     }
 }
diff --git a/Core/src/org/sleuthkit/autopsy/discovery/search/DomainSearchArtifactsLoader.java b/Core/src/org/sleuthkit/autopsy/discovery/search/DomainSearchArtifactsLoader.java
index 20772f2c12..ea177efcc9 100755
--- a/Core/src/org/sleuthkit/autopsy/discovery/search/DomainSearchArtifactsLoader.java
+++ b/Core/src/org/sleuthkit/autopsy/discovery/search/DomainSearchArtifactsLoader.java
@@ -49,7 +49,7 @@ public class DomainSearchArtifactsLoader extends CacheLoader<DomainSearchArtifac
             final BlackboardAttribute tskDomain = artifact.getAttribute(TSK_DOMAIN);
             final BlackboardAttribute tskUrl = artifact.getAttribute(TSK_URL);
 
-            if (tskDomain != null && tskDomain.getValueString().toLowerCase().equals(normalizedDomain)) {
+            if (tskDomain != null && tskDomain.getValueString().equalsIgnoreCase(normalizedDomain)) {
                 matchingDomainArtifacts.add(artifact);
             } else if (tskUrl != null && tskUrl.getValueString().toLowerCase().contains(normalizedDomain)) {
                 matchingDomainArtifacts.add(artifact);
diff --git a/Core/src/org/sleuthkit/autopsy/discovery/search/DomainSearchThumbnailCache.java b/Core/src/org/sleuthkit/autopsy/discovery/search/DomainSearchThumbnailCache.java
index 2a02cce9af..d13a87bcef 100755
--- a/Core/src/org/sleuthkit/autopsy/discovery/search/DomainSearchThumbnailCache.java
+++ b/Core/src/org/sleuthkit/autopsy/discovery/search/DomainSearchThumbnailCache.java
@@ -47,7 +47,7 @@ public class DomainSearchThumbnailCache {
         try {
             return cache.get(request);
         } catch (ExecutionException ex) {
-            throw new DiscoveryException("Error fetching artifacts from cache", ex.getCause());
+            throw new DiscoveryException("Error fetching artifacts from cache", ex);
         }
     }
 }