minor #6215 Added a caution about failing cache warmers (javiereguiluz)

xabbuh · xabbuh · commit ce3e36c087d4 · 2016-02-07T12:10:07.000+01:00
This PR was merged into the 2.3 branch. Discussion ---------- Added a caution about failing cache warmers | Q | A | ------------- | --- | Doc fix? | no | New docs? | yes | Applies to | all | Fixed tickets | - This was asked for in symfony/symfony#11526 Commits ------- dc62504 Added a caution about failing cache warmers
diff --git a/reference/dic_tags.rst b/reference/dic_tags.rst
@@ -456,6 +456,13 @@ tag:
     The ``priority`` value is optional and defaults to 0. The higher the
     priority, the sooner it gets executed.
 
+.. caution::
+
+    If your cache warmer fails its execution because of any exception, Symfony
+    won't try to execute it again for the next requests. Therefore, your
+    application and/or bundles should be prepared for when the contents
+    generated by the cache warmer are not available.
+
 Core Cache Warmers
 ~~~~~~~~~~~~~~~~~~
 
