Contrib.social

Headers already sent error

Open on Drupal.org →
Created on 25 January 2024, 5 months ago
Updated 14 March 2024, 3 months ago

Problem/Motivation

Seeing the following reported in logs:

RuntimeException: Failed to start the session because headers have already been sent by "/app/vendor/symfony/http-foundation/Response.php" at line 1325. in Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->start() (line 132 of /app/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php)
#0 /app/web/core/lib/Drupal/Core/Session/SessionManager.php(144): Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->start()
#1 /app/web/core/lib/Drupal/Core/Session/SessionManager.php(175): Drupal\Core\Session\SessionManager->startNow()
#2 /app/vendor/symfony/http-foundation/Session/Session.php(171): Drupal\Core\Session\SessionManager->save()
#3 /app/web/core/lib/Drupal/Core/StackMiddleware/Session.php(61): Symfony\Component\HttpFoundation\Session\Session->save()
#4 /app/web/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php(48): Drupal\Core\StackMiddleware\Session->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#5 /app/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(106): Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#6 /app/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(85): Drupal\page_cache\StackMiddleware\PageCache->pass(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#7 /app/web/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php(48): Drupal\page_cache\StackMiddleware\PageCache->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#8 /app/web/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(51): Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#9 /app/web/core/lib/Drupal/Core/StackMiddleware/StackedHttpKernel.php(51): Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#10 /app/web/core/lib/Drupal/Core/DrupalKernel.php(704): Drupal\Core\StackMiddleware\StackedHttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#11 /app/web/index.php(19): Drupal\Core\DrupalKernel->handle(Object(Symfony\Component\HttpFoundation\Request))
#12 {main}

Steps to reproduce

View a page with a facet using the processor provided by this module.

Proposed resolution

There's a number of issues on drupal.org with the same side effect caused by the use of RedirectResponse

🐛 Bug report
Status

Fixed

Version

1.0

Component

Code

Created by

🇬🇧United Kingdom rattusrattus

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