From 98c806efa68fef9cf2d7904bfbcf029fa2e2bd99 Mon Sep 17 00:00:00 2001
From: Laurent Clouet <laurent@nopnop.net>
Date: Mon, 1 Aug 2016 00:47:29 +0200
Subject: [PATCH] Bugfix: NullPointerException

---
 .../client/standalone/swing/activity/Working.java  | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/com/sheepit/client/standalone/swing/activity/Working.java b/src/com/sheepit/client/standalone/swing/activity/Working.java
index 6c4ac94..ca4de9e 100644
--- a/src/com/sheepit/client/standalone/swing/activity/Working.java
+++ b/src/com/sheepit/client/standalone/swing/activity/Working.java
@@ -13,6 +13,8 @@ import javax.swing.ImageIcon;
 import javax.swing.JButton;
 import javax.swing.JLabel;
 import com.sheepit.client.Client;
+import com.sheepit.client.Job;
+import com.sheepit.client.RenderProcess;
 import com.sheepit.client.Server;
 import com.sheepit.client.os.OS;
 import com.sheepit.client.standalone.GuiSwing;
@@ -248,9 +250,15 @@ public class Working implements Activity {
 		public void actionPerformed(ActionEvent e) {
 			Client client = parent.getClient();
 			if (client != null) {
-				client.getRenderingJob().setAskForRendererKill(true);
-				client.getRenderingJob().setUserBlockJob(true);
-				OS.getOS().kill(client.getRenderingJob().getProcessRender().getProcess());
+				Job job = client.getRenderingJob();
+				if (job != null) {
+					job.setAskForRendererKill(true);
+					job.setUserBlockJob(true);
+					RenderProcess process = job.getProcessRender();
+					if (process != null) {
+						OS.getOS().kill(process.getProcess());
+					}
+				}
 			}
 		}
 	}