From 3cbab65bf1691df2df425f8f14de7adaf3a61e86 Mon Sep 17 00:00:00 2001
From: Mark McKinnon <mark.mckinnon@davenport.edu>
Date: Fri, 27 Mar 2020 13:54:23 -0400
Subject: [PATCH] Update ContextViewer.java

Check if attribute is null and if it is then append null to usage
---
 .../autopsy/contentviewers/contextviewer/ContextViewer.java     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Core/src/org/sleuthkit/autopsy/contentviewers/contextviewer/ContextViewer.java b/Core/src/org/sleuthkit/autopsy/contentviewers/contextviewer/ContextViewer.java
index f6d7e8f366..b73e6f8661 100644
--- a/Core/src/org/sleuthkit/autopsy/contentviewers/contextviewer/ContextViewer.java
+++ b/Core/src/org/sleuthkit/autopsy/contentviewers/contextviewer/ContextViewer.java
@@ -407,7 +407,7 @@ public final class ContextViewer extends javax.swing.JPanel implements DataConte
         BlackboardAttribute attribute = attributesMap.get(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_DATETIME);
         
         if (BlackboardArtifact.ARTIFACT_TYPE.TSK_RECENT_OBJECT.getTypeID() == artifact.getArtifactTypeID()) {
-            if (attribute.getValueLong() > 0) {
+            if (attribute != null && attribute.getValueLong() > 0) {
                 appendAttributeString(sb, BlackboardAttribute.ATTRIBUTE_TYPE.TSK_DATETIME, attributesMap, Bundle.ContextViewer_on());
             } else {
                 sb.append(Bundle.ContextViewer_unknown());