[php-maint] Bug#793294: Bug#793294: libapache2-mod-php5: impossible to show or log the errors

Ondřej Surý ondrej at sury.org
Thu Jul 23 12:04:23 UTC 2015


Control: severity -1 normal

Have you checked whether the PHP process has write access to all path
components of the error_log?

Could try to debug it a little bit more?  Like setting the logging to
syslog or /tmp/php.log to really make sure there's no local
configuration error.

Cheers,
Ondrej

On Wed, Jul 22, 2015, at 16:15, mediaf wrote:
> Package: libapache2-mod-php5
> Version: 5.6.9+dfsg-0+deb8u1
> Severity: important
> 
> Dear Maintainer,
> 
> I am migrating many websites from debian squeeze to debian jessie, so
> from php 5.3.3 to php 5.6.9.
> As there were many changes in php between these two releases, many of my
> web pages doesn't work.
> To resolve all these problems, I'd like to see what error prevent my
> pages to work.
> But it seems impossible to see or to log the errors.
> 
> I have modified error_reporting to E_ALL, display_errors,
> display_startup_errors and log_errors to On and added error_log =
> /var/log/apache2/php_errors.log in php.ini.
> 
> I have added params in my apache virtual sites configuration :
> php_value display_errors 1 
> php_value display_startup_errors 1 
> php_admin_value error_reporting E_ALL
> 
> php_admin_flag display_startup_errors on
> php_admin_flag display_errors on
> php_flag display_startup_errors on
> php_flag display_errors on
> 
> php_flag log_errors on
> php_value error_log /var/log/apache/php_errors.log
> 
> I have done the same in an .htaccess file
> 
> I have checked that my logfile was writable by www-data,
> I have created a page with only 
>  
> to check that my parameters were effective and they were
> I added on this page just after a fake function :
> fake_func($_SERVER);
> but there wasn't any error like Function fake_func() does not exist after
> the phpinfo arrays
> 
> I added an error in my function by removing a bracket :
> fake_func($_SERVER;
> And I got a blank page 
> 
> 
> Whatever I do I never see any error on the screen and there isn't
> anything in my log file.
> So it is really hard to debug php without any information about the
> errors.
> 
> 
> -- Package-specific info:
> ==== Additional PHP 5 information ====
> 
> ++++ PHP 5 SAPI (php5query -S): ++++
> cli
> apache2
> 
> ++++ PHP 5 Extensions (php5query -M -v): ++++
> pdo (Enabled for cli by maintainer script)
> pdo (Enabled for apache2 by maintainer script)
> pdo_mysql (Enabled for cli by maintainer script)
> pdo_mysql (Enabled for apache2 by maintainer script)
> opcache (Enabled for cli by maintainer script)
> opcache (Enabled for apache2 by maintainer script)
> json (Enabled for cli by maintainer script)
> json (Enabled for apache2 by maintainer script)
> mysql (Enabled for cli by maintainer script)
> mysql (Enabled for apache2 by maintainer script)
> xdebug (Enabled for cli by maintainer script)
> xdebug (Enabled for apache2 by maintainer script)
> mysqli (Enabled for cli by maintainer script)
> mysqli (Enabled for apache2 by maintainer script)
> mcrypt (Enabled for cli by maintainer script)
> mcrypt (Enabled for apache2 by maintainer script)
> 
> ++++ Configuration files: ++++
> [PHP]
> engine = On
> short_open_tag = On
> asp_tags = Off
> precision = 14
> output_buffering = 4096
> zlib.output_compression = Off
> implicit_flush = Off
> unserialize_callback_func =
> serialize_precision = 17
> disable_functions =
> pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,
> disable_classes =
> zend.enable_gc = On
> expose_php = Off
> max_execution_time = 30
> max_input_time = 60
> memory_limit = 128M
> error_reporting = E_ALL
> display_errors = On
> display_startup_errors = On
> log_errors = On
> log_errors_max_len = 1024
> ignore_repeated_errors = Off
> ignore_repeated_source = Off
> report_memleaks = On
> track_errors = Off
> html_errors = On
> error_log = /var/log/apache2/php_errors.log
> variables_order = "GPCS"
> request_order = "GP"
> register_argc_argv = Off
> auto_globals_jit = On
> post_max_size = 8M
> auto_prepend_file =
> auto_append_file =
> default_mimetype = "text/html"
> default_charset = "UTF-8"
> doc_root =
> user_dir =
> enable_dl = Off
> file_uploads = On
> upload_max_filesize = 2M
> max_file_uploads = 20
> allow_url_fopen = On
> allow_url_include = Off
> default_socket_timeout = 60
> [CLI Server]
> cli_server.color = On
> [Date]
> [filter]
> [iconv]
> [intl]
> [sqlite]
> [sqlite3]
> [Pcre]
> [Pdo]
> [Pdo_mysql]
> pdo_mysql.cache_size = 2000
> pdo_mysql.default_socket=
> [Phar]
> [mail function]
> SMTP = localhost
> smtp_port = 25
> mail.add_x_header = On
> [SQL]
> sql.safe_mode = Off
> [ODBC]
> odbc.allow_persistent = On
> odbc.check_persistent = On
> odbc.max_persistent = -1
> odbc.max_links = -1
> odbc.defaultlrl = 4096
> odbc.defaultbinmode = 1
> [Interbase]
> ibase.allow_persistent = 1
> ibase.max_persistent = -1
> ibase.max_links = -1
> ibase.timestampformat = "%Y-%m-%d %H:%M:%S"
> ibase.dateformat = "%Y-%m-%d"
> ibase.timeformat = "%H:%M:%S"
> [MySQL]
> mysql.allow_local_infile = On
> mysql.allow_persistent = On
> mysql.cache_size = 2000
> mysql.max_persistent = -1
> mysql.max_links = -1
> mysql.default_port =
> mysql.default_socket =
> mysql.default_host =
> mysql.default_user =
> mysql.default_password =
> mysql.connect_timeout = 60
> mysql.trace_mode = Off
> [MySQLi]
> mysqli.max_persistent = -1
> mysqli.allow_persistent = On
> mysqli.max_links = -1
> mysqli.cache_size = 2000
> mysqli.default_port = 3306
> mysqli.default_socket =
> mysqli.default_host =
> mysqli.default_user =
> mysqli.default_pw =
> mysqli.reconnect = Off
> [mysqlnd]
> mysqlnd.collect_statistics = On
> mysqlnd.collect_memory_statistics = Off
> [OCI8]
> [PostgreSQL]
> pgsql.allow_persistent = On
> pgsql.auto_reset_persistent = Off
> pgsql.max_persistent = -1
> pgsql.max_links = -1
> pgsql.ignore_notice = 0
> pgsql.log_notice = 0
> [Sybase-CT]
> sybct.allow_persistent = On
> sybct.max_persistent = -1
> sybct.max_links = -1
> sybct.min_server_severity = 10
> sybct.min_client_severity = 10
> [bcmath]
> bcmath.scale = 0
> [browscap]
> [Session]
> session.save_handler = files
> session.use_strict_mode = 0
> session.use_cookies = 1
> session.use_only_cookies = 1
> session.name = PHPSESSID
> session.auto_start = 0
> session.cookie_lifetime = 0
> session.cookie_path = /
> session.cookie_domain =
> session.cookie_httponly =
> session.serialize_handler = php
> session.gc_probability = 0
> session.gc_divisor = 1000
> session.gc_maxlifetime = 1440
> session.referer_check =
> session.cache_limiter = nocache
> session.cache_expire = 180
> session.use_trans_sid = 0
> session.hash_function = 0
> session.hash_bits_per_character = 5
> url_rewriter.tags = "a=href,area=href,frame=src,input=src,form=fakeentry"
> [MSSQL]
> mssql.allow_persistent = On
> mssql.max_persistent = -1
> mssql.max_links = -1
> mssql.min_error_severity = 10
> mssql.min_message_severity = 10
> mssql.compatibility_mode = Off
> mssql.secure_connection = Off
> [Assertion]
> [COM]
> [mbstring]
> [gd]
> [exif]
> [Tidy]
> tidy.clean_output = Off
> [soap]
> soap.wsdl_cache_enabled=1
> soap.wsdl_cache_dir="/tmp"
> soap.wsdl_cache_ttl=86400
> soap.wsdl_cache_limit = 5
> [sysvshm]
> [ldap]
> ldap.max_links = -1
> [mcrypt]
> [dba]
> [opcache]
> [curl]
> [openssl]
> 
> **** /etc/php5/apache2/conf.d/20-mcrypt.ini ****
> extension=mcrypt.so
> 
> **** /etc/php5/apache2/conf.d/05-opcache.ini ****
> zend_extension=opcache.so
> 
> **** /etc/php5/apache2/conf.d/20-mysqli.ini ****
> extension=mysqli.so
> 
> **** /etc/php5/apache2/conf.d/20-mysql.ini ****
> extension=mysql.so
> 
> **** /etc/php5/apache2/conf.d/20-pdo_mysql.ini ****
> extension=pdo_mysql.so
> 
> **** /etc/php5/apache2/conf.d/10-pdo.ini ****
> extension=pdo.so
> 
> **** /etc/php5/apache2/conf.d/20-json.ini ****
> extension=json.so
> 
> 
> -- System Information:
> Debian Release: 8.1
>   APT prefers stable-updates
>   APT policy: (500, 'stable-updates'), (500, 'stable')
> Architecture: amd64 (x86_64)
> 
> Kernel: Linux 3.16.0-4-amd64 (SMP w/2 CPU cores)
> Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/dash
> Init: systemd (via /run/systemd/system)
> 
> Versions of packages libapache2-mod-php5 depends on:
> ii  apache2                             2.4.10-10
> ii  apache2-bin [apache2-api-20120211]  2.4.10-10
> ii  libbz2-1.0                          1.0.6-7+b3
> ii  libc6                               2.19-18
> ii  libcomerr2                          1.42.12-1.1
> ii  libdb5.3                            5.3.28-9
> ii  libgssapi-krb5-2                    1.12.1+dfsg-19
> ii  libk5crypto3                        1.12.1+dfsg-19
> ii  libkrb5-3                           1.12.1+dfsg-19
> ii  libmagic1                           1:5.22+15-2
> ii  libonig2                            5.9.5-3.2
> ii  libpcre3                            2:8.35-3.3
> ii  libqdbm14                           1.8.78-5+b1
> ii  libssl1.0.0                         1.0.1k-3+deb8u1
> ii  libstdc++6                          4.9.2-10
> ii  libxml2                             2.9.1+dfsg1-5
> ii  mime-support                        3.58
> ii  php5-cli                            5.6.9+dfsg-0+deb8u1
> ii  php5-common                         5.6.9+dfsg-0+deb8u1
> ii  php5-json                           1.3.6-1
> ii  tzdata                              2015e-0+deb8u1
> ii  ucf                                 3.0030
> ii  zlib1g                              1:1.2.8.dfsg-2+b1
> 
> libapache2-mod-php5 recommends no packages.
> 
> Versions of packages libapache2-mod-php5 suggests:
> pn  php-pear  <none>
> 
> Versions of packages php5-common depends on:
> ii  libc6   2.19-18
> ii  lsof    4.86+dfsg-1
> ii  psmisc  22.21-2
> ii  sed     4.2.2-4+b1
> ii  ucf     3.0030
> 
> Versions of packages php5-common suggests:
> pn  php5-user-cache  <none>
> 
> -- no debconf information
> 
> _______________________________________________
> pkg-php-maint mailing list
> pkg-php-maint at lists.alioth.debian.org
> http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/pkg-php-maint


-- 
Ondřej Surý <ondrej at sury.org>
Knot DNS (https://www.knot-dns.cz/) – a high-performance DNS server



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