Troubleshooting

It doesn't work? Check the most frequent issues and resolutions

20 articles in this collection
Written by Thomas di Luccio

Are You Authorized to Profile this Page? Probe Not Found or Invalid signature.

Frequent solutions and debugging walkthrough

Written by Thomas di Luccio
Updated over a week ago

Getting the Blackfire logs

Probe not found, profiling failed... Here's how to get logs so we can help you!

Written by Thomas di Luccio
Updated over a week ago

Bypassing Reverse Proxy, Cache, and Content Delivery Networks (CDN)

Getting the "x-blackfire-response header does not exist. (200 - OK)" error? Solutions here.

Written by Thomas di Luccio
Updated over a week ago

Rate limiting

Error: Your account is temporarily suspended because of high API rate.

Written by Thomas di Luccio
Updated over a week ago

Security-Enhanced Linux (SELinux) and Blackfire

Written by Thomas di Luccio
Updated over a week ago

Unable to install the agent

Written by Thomas di Luccio
Updated over a week ago

Agent's Logs Contain Error "dial tcp: i/o timeout"

Written by Thomas di Luccio
Updated over a week ago

Unable to install the probe

Written by Thomas di Luccio
Updated over a week ago

PHP

PHP crashes with a segmentation fault

PHP crashes with a segmentation fault (segfault) when Blackfire is installed or while profiling an application

Written by Thomas di Luccio
Updated over a week ago

Conflicts with pcntl_exec() calls

Some tools execute new processes using pcntl_exec() causing "Profile data is truncated" or PHP segmentation faults

Written by Thomas di Luccio
Updated over a week ago

Known incompatibilities with the Blackfire PHP probe

Written by Thomas di Luccio
Updated over a week ago

Issues with macOS Catalina

macOS 10.15 Catalina adds some security enforcement features, including strict signature checks for binaries.

Written by Thomas di Luccio
Updated over a week ago

Python

Known incompatibilities with the Python probe

Written by Thomas di Luccio
Updated over a week ago

ModuleNotFoundError: No module named "blackfire"

Written by Thomas di Luccio
Updated over a week ago

Upgrading to a new Edition

Adding a collaborator on Premium/Enterprise Editions

How can I add team members/collaborators to that they can also profile and test?

Written by Thomas di Luccio
Updated over a week ago

Upgrading to Premium

What should you do when upgrading to Premium, in order to benefit from all the features?

Written by Thomas di Luccio
Updated over a week ago

Upgrading to Enterprise

What should you do when upgrading to Enterprise, in order to benefit from all the features?

Written by Thomas di Luccio
Updated over a week ago

Blackfire on Platform.sh

Blackfire on Platform.sh: Are You Authorized to Profile this Page? Probe Not Found or Invalid signature.

Troubleshooting for Blackfire users on Platform.sh

Written by Thomas di Luccio
Updated over a week ago

Blackfire on Docker

Blackfire on Docker: SIGSEGV / Connection reset by peer

Getting SIGSEGV and/or "Connection reset by peer" errors when using Blackfire on Docker? Read further to troubleshoot this issue

Written by Thomas di Luccio
Updated over a week ago

Regular output mixed up with the profile data using --json option with Docker Compose

Written by Thomas di Luccio
Updated over a week ago