Application pool fails with error '0xffffffff'.

Created:

2016-11-16 12:58:51 UTC

Modified:

2017-08-16 16:30:34 UTC

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Application pool fails with error '0xffffffff'.

Applicable to:

  • Plesk 11.x for Windows

Symptoms

1) Domain application pool fails with error:

    A process serving application pool 'domain.tld(domain)(2.0)(pool)' terminated unexpectedly. The process id was '21412'. The process exit code was '0xffffffff'.

2) Crash report shows the error like below:

    Function:
php5ts!zend_hash_graceful_reverse_destroy+2e

Cause

Unfortunately, this error doesn’t really give any useful information. Such issue should be investigated with Debug Diagnostic Tool. Often such issue indicate about PHP fault. See also PHP bug .

Resolution

Try to switch PHP in domain settings to higher version (if domain uses old PHP version). For example PHP5.3 and check how domain works.

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