doc: add section about kernel booted once

liip · May 26, 2024 · 6c1b995 · 6c1b995
1 parent 29f8893
commit 6c1b995
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/doc/caveats.md b/doc/caveats.md
@@ -59,3 +59,11 @@ when@test:
     framework:
         test: true
 ```
+
+## LogicException: […] the kernel should only be booted once.
+
+Complete error message:
+
+> LogicException: Booting the kernel before calling "Symfony\Bundle\FrameworkBundle\Test\WebTestCase::createClient()" is not supported, the kernel should only be booted once.
+
+Solution: Call `self::ensureKernelShutdown();` before creating the client.