commit 7bc3d4022efe095c968204c5a9f2b1101c153530
author Christian Grobmeier <cg@grobmeier.de> Tue Dec 26 20:46:52 2023 +0100
committer Christian Grobmeier <cg@grobmeier.de> Tue Dec 26 20:46:52 2023 +0100
tree 5d3c7ec26969c3f2bcf81e252e06368355431a82
parent b700d30df8a0e6cea4299e662d02843375db9d02

prevent npe when receiver is null

src/main/java/org/apache/log4j/chainsaw/logui/LogUI.java

diff --git a/src/main/java/org/apache/log4j/chainsaw/logui/LogUI.java b/src/main/java/org/apache/log4j/chainsaw/logui/LogUI.java
index e2a9158..793d8f0 100644
--- a/src/main/java/org/apache/log4j/chainsaw/logui/LogUI.java
+++ b/src/main/java/org/apache/log4j/chainsaw/logui/LogUI.java
@@ -393,7 +393,12 @@
     }
 
     public void buildChainsawLogPanel() {
-        logUIPanelBuilder.buildLogPanel(false, "Chainsaw", chainsawAppender.getReceiver());
+        if (chainsawAppender != null) {
+            logUIPanelBuilder.buildLogPanel(false, "Chainsaw", chainsawAppender.getReceiver());
+        } else {
+            logUIPanelBuilder.buildLogPanel(false, "Chainsaw", null);
+        }
+
     }
 
     public void addWelcomePanel() {