8000 Configuring symfony/debug error handler to only log on STDERR · Issue #20347 · symfony/symfony · GitHub
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Configuring symfony/debug error handler to only log on STDERR #20347

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felixfbecker opened this issue Oct 29, 2016 · 5 comments
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Configuring symfony/debug error handler to only log on STDERR #20347

felixfbecker opened this issue Oct 29, 2016 · 5 comments
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@felixfbecker
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Is there a way to do this? Using the error handler in a CLI app that talks an IPC protocol over STDIN/STDOUT. Printing a stack trace to STDOUT is a violation of the protocol of course, and there is no reason to do it as it can just print the stack trace to STDERR.
@xabbuh xabbuh added the Debug label Oct 30, 2016
@patrick-mcdougle
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You can use monolog to help you with that. You just need to register one of the monolog loggers to the debug ErrorHandler class.

@felixfbecker
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Could you give me a small code snippet?

@felixfbecker
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I tried it like this

$logger = new Logger('Errors');
$logger->pushHandler(new StreamHandler(STDERR));
$errorHandler = new ErrorHandler;
$errorHandler->setDefaultLogger($logger);
ErrorHandler::register($errorHandler);

But when an error occurs I get an infinite recursion error:

PHP Fatal error:  Maximum function nesting level of '1000' reached, aborting! in C:\Users\felix\git\OpenSource\php-language-server\vendor\monolog\monolog\src\Monolog\Formatter\NormalizerFormatter.php on line 60
PHP Stack trace:
PHP   1. Symfony\Component\Debug\ErrorHandler->handleException() C:\Users\felix\git\OpenSource\php-language-server\vendor\symfony\debug\ErrorHandler.php:0
PHP   2. Monolog\Logger->log() C:\Users\felix\git\OpenSource\php-language-server\vendor\symfony\debug\ErrorHandler.php:528
PHP   3. Monolog\Logger->addRecord() C:\Users\felix\git\OpenSource\php-language-server\vendor\monolog\monolog\src\Monolog\Logger.php:517
PHP   4. Monolog\Handler\AbstractProcessingHandler->handle() C:\Users\felix\git\OpenSource\php-language-server\vendor\monolog\monolog\src\Monolog\Logger.php:336
PHP   5. Monolog\Formatter\LineFormatter->format() C:\Users\felix\git\OpenSource\php-language-server\vendor\monolog\monolog\src\Monolog\Handler\AbstractProcessingHandler.php:35
PHP   6. Monolog\Formatter\NormalizerFormatter->format() C:\Users\felix\git\OpenSource\php-language-server\vendor\monolog\monolog\src\Monolog\Formatter\LineFormatter.php:68
PHP   7. Monolog\Formatter\NormalizerFormatter->normalize() C:\Users\felix\git\OpenSource\php-language-server\vendor\monolog\monolog\src\Monolog\Formatter\NormalizerFormatter.php:43
PHP   8. Monolog\Formatter\NormalizerFormatter->normalize() C:\Users\felix\git\OpenSource\php-language-server\vendor\monolog\monolog\src\Monolog\Formatter\NormalizerFormatter.php:82
PHP   9. Monolog\Formatter\NormalizerFormatter->normalize() C:\Users\felix\git\OpenSource\php-language-server\vendor\monolog\monolog\src\Monolog\Formatter\NormalizerFormatter.php:82
PHP  10. Monolog\Formatter\NormalizerFormatter->normalize() C:\Users\felix\git\OpenSource\php-language-server\vendor\monolog\monolog\src\Monolog\Formatter\NormalizerFormatter.php:82
PHP  11. Monolog\Formatter\NormalizerFormatter->normalize() C:\Users\felix\git\OpenSource\php-language-server\vendor\monolog\monolog\src\Monolog\Formatter\NormalizerFormatter.php:82
PHP  12. Monolog\Formatter\NormalizerFormatter->normalize() C:\Users\felix\git\OpenSource\php-language-server\vendor\monolog\monolog\src\Monolog\Formatter\NormalizerFormatter.php:82
PHP  13. Monolog\Formatter\NormalizerFormatter->normalize() C:\Users\felix\git\OpenSource\php-language-server\vendor\monolog\monolog\src\Monolog\Formatter\NormalizerFormatter.php:82
...

Any help is appreciated.

@nicolas-grekas
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Can you try again with latest release?

@felixfbecker
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Fixed

@Seldaek Seldaek mentioned this issue Nov 21, 2016
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@nicolas-grekas @patrick-mcdougle @xabbuh @felixfbecker
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