From ffbc6879ce63c1a679288eaf2e02314a41661d3a Mon Sep 17 00:00:00 2001
From: Qi Cui <jackyq2015@gmail.com>
Date: Sat, 18 Nov 2017 23:02:06 -0500
Subject: [PATCH] preview stage won't have the metadata populated, so protect
 NPE

---
 main/src/com/google/refine/commands/row/GetRowsCommand.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/main/src/com/google/refine/commands/row/GetRowsCommand.java b/main/src/com/google/refine/commands/row/GetRowsCommand.java
index 8feb8c5f4..32b088660 100644
--- a/main/src/com/google/refine/commands/row/GetRowsCommand.java
+++ b/main/src/com/google/refine/commands/row/GetRowsCommand.java
@@ -180,7 +180,9 @@ public class GetRowsCommand extends Command {
             }
             
             // metadata refresh for row mode and record mode
-            project.getMetadata().setRowCount(project.rows.size());
+	    if (project.getMetadata() != null) {
+            	project.getMetadata().setRowCount(project.rows.size());
+	    }
         } catch (Exception e) {
             respondException(response, e);
         }