Check for null and avoid crashing

Seems straightforward

1 files changed, 6 insertions, 0 deletions

diff --git a/src/main/java/se/lublin/humla/net/HumlaNetworkThread.java b/src/main/java/se/lublin/humla/net/HumlaNetworkThread.java
index af407e2..028f4fc 100644
--- a/src/main/java/se/lublin/humla/net/HumlaNetworkThread.java
+++ b/src/main/java/se/lublin/humla/net/HumlaNetworkThread.java
@@ -66,10 +66,16 @@ public abstract class HumlaNetworkThread implements Runnable {
     }
 
     protected void executeOnSendThread(Runnable r) {
+        if (mSendExecutor == null) {
+            return;
+        }
         mSendExecutor.execute(r);
     }
 
     protected void executeOnReceiveThread(Runnable r) {
+        if (mSendExecutor == null) {
+            return;
+        }
         mSendExecutor.execute(r);
     }