commit bec8b19ea345d685c65f5f6f1b3a5634e603b7c4
author Meng Li (Ethan) <ethanopensource@gmail.com> Thu Jan 23 10:21:39 2020 -0600
committer GitHub <noreply@github.com> Thu Jan 23 10:21:39 2020 -0600
tree 0e56d18af49e00f6a4f5eb999bae0a33b0802f2f
parent d415da5f6b6506030207f06c77f72833d6e53f0c
parent bd4ba786ebd5964f4624abfde894e10297fb711a

Merge pull request #3196 from RuiLi8080/STORM-3568

[STORM-3568] prevent user from changing log level with empty logger name from topo UI

storm-webapp/src/main/java/org/apache/storm/daemon/ui/WEB-INF/topology.html

diff --git a/storm-webapp/src/main/java/org/apache/storm/daemon/ui/WEB-INF/topology.html b/storm-webapp/src/main/java/org/apache/storm/daemon/ui/WEB-INF/topology.html
index 0dda533..59c7c52 100644
--- a/storm-webapp/src/main/java/org/apache/storm/daemon/ui/WEB-INF/topology.html
+++ b/storm-webapp/src/main/java/org/apache/storm/daemon/ui/WEB-INF/topology.html
@@ -142,6 +142,10 @@
             return;
         }
     }
+    if (!loggerName) {
+        alert ("Logger name must be provided. Use \"ROOT\" if you want to change current default log behavior.");
+        return;
+    }
     var data = {};
     var loggerSetting;