Troubleshooting

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

Christophe Dujarric avatar Beau Simensen avatar
15 articles in this collection
Written by Christophe Dujarric and Beau Simensen

You cannot profile PHP 5.x apps

The Blackfire API answered with a 402 HTTP error (You cannot profile PHP 5.x apps)
Christophe Dujarric avatar
Written by Christophe Dujarric
Updated over a week ago

Security-Enhanced Linux (SELinux) and Blackfire

Beau Simensen avatar
Written by Beau Simensen
Updated over a week ago

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

Troubleshooting for Blackfire users on Platform.sh
Christophe Dujarric avatar
Written by Christophe Dujarric
Updated over a week ago

Hack Edition users cannot profile non-local HTTP applications

The Blackfire API answered with a 402 HTTP error (Hack Edition users cannot profile non-local HTTP applications.)
Beau Simensen avatar
Written by Beau Simensen
Updated over a week ago

PHP crashes with a segmentation fault

PHP crashes with a segmentation fault (segfault) when Blackfire is installed or while profiling an application
Beau Simensen avatar
Written by Beau Simensen
Updated over a week ago

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

Frequent solutions and debugging walkthrough
Christophe Dujarric avatar
Written by Christophe Dujarric
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.
Christophe Dujarric avatar
Written by Christophe Dujarric
Updated over a week ago

Unable to install the agent

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Written by Christophe Dujarric
Updated over a week ago

Unable to install the probe

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Written by Christophe Dujarric
Updated over a week ago

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

Christophe Dujarric avatar
Written by Christophe Dujarric
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!
Christophe Dujarric avatar
Written by Christophe Dujarric
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
Beau Simensen avatar
Written by Beau Simensen
Updated over a week ago