[JENKINS-34710] - PluginWrapper should not throw IOException if someb…

…ody enables the enabled plugin (#2327)
jenkinsci · May 11, 2016 · c83a8fd · c83a8fd
1 parent 58a5d22
commit c83a8fd
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/core/src/main/java/hudson/PluginWrapper.java b/core/src/main/java/hudson/PluginWrapper.java
@@ -441,6 +441,10 @@ public void releaseClassLoader() {
      * Enables this plugin next time Jenkins runs.
      */
     public void enable() throws IOException {
+        if (!disableFile.exists()) {
+            LOGGER.log(Level.FINEST, "Plugin {0} has been already enabled. Skipping the enable() operation", getShortName());
+            return;
+        }
         if(!disableFile.delete())
             throw new IOException("Failed to delete "+disableFile);
     }