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Opening Hours

Sunday - Thursday, 8:30 a.m. to 3:30 p.m.
closed: Friday, Saturday and holidays.
The library closes at 2:30 p.m. during Ramadan.

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The Marilyn M. and William Kelly Simpson Library

Address: American Research Center in Egypt 2 Midan Símon Bolívar (Qasr al-Dubara) Garden City Cairo 11461 Egypt

Email: library@arce.org

Phone: tel: 20 2 2794-8239, use extension 117 or 118

Fax: 20 2 2795-3052

Whoops! There was an error.

Whoops \ Exception \ ErrorException (E_WARNING)

fopen(/tmp/vufind_sessions/sess_nbkvt5ueeqdushs508bh83iddq): failed to open stream: No space left on device

Whoops\Exception\ErrorException thrown with message "fopen(/tmp/vufind_sessions/sess_nbkvt5ueeqdushs508bh83iddq): failed to open stream: No space left on device" Stacktrace: #5 Whoops\Exception\ErrorException in /usr/local/vufind/module/VuFind/src/VuFind/Session/File.php:151 #4 fopen in /usr/local/vufind/module/VuFind/src/VuFind/Session/File.php:151 #3 VuFind\Session\File:saveSession in /usr/local/vufind/module/VuFind/src/VuFind/Session/AbstractBase.php:185 #2 VuFind\Session\AbstractBase:write in [internal]:0 #1 session_write_close in /usr/local/vufind/vendor/laminas/laminas-session/src/SessionManager.php:235 #0 Laminas\Session\SessionManager:writeClose in [internal]:0

Application frames (0) All frames (6)

Whoops\Exception\ErrorException

…/module/VuFind/src/VuFind/Session/File.php151

fopen

…/module/VuFind/src/VuFind/Session/File.php151

VuFind\Session\File saveSession

…/module/VuFind/src/VuFind/Session/AbstractBase.php185

VuFind\Session\AbstractBase write

[internal]0

session_write_close

…/vendor/laminas/laminas-session/src/SessionManager.php235

Laminas\Session\SessionManager writeClose

[internal]0

Open: /usr/local/vufind/module/VuFind/src/VuFind/Session/File.php

        foreach (glob($this->path . "/sess_*") as $filename) {
            if (filemtime($filename) + $maxlifetime < time()) {
                unlink($filename);
            }
        }
        return true;
    }
 
    /**
     * A function that is called internally when session data is to be saved.
     *
     * @param string $sessId The current session ID
     * @param string $data   The session data to write
     *
     * @return bool
     */
    protected function saveSession($sessId, $data)
    {
        $sessFile = $this->path . '/sess_' . $sessId;
        if ($handle = fopen($sessFile, "w")) {
            $return = fwrite($handle, $data);
            fclose($handle);
            if ($return !== false) {
                return true;
            }
        }
        // If we got this far, something went wrong with the file output...
        // It is tempting to throw an exception here, but this code is called
        // outside of the context of exception handling, so all we can do is
        // echo a message.
        echo 'Cannot write session to ' . $sessFile . "\n";
        return false;
    }
}

Open: /usr/local/vufind/module/VuFind/src/VuFind/Session/File.php

        foreach (glob($this->path . "/sess_*") as $filename) {
            if (filemtime($filename) + $maxlifetime < time()) {
                unlink($filename);
            }
        }
        return true;
    }
 
    /**
     * A function that is called internally when session data is to be saved.
     *
     * @param string $sessId The current session ID
     * @param string $data   The session data to write
     *
     * @return bool
     */
    protected function saveSession($sessId, $data)
    {
        $sessFile = $this->path . '/sess_' . $sessId;
        if ($handle = fopen($sessFile, "w")) {
            $return = fwrite($handle, $data);
            fclose($handle);
            if ($return !== false) {
                return true;
            }
        }
        // If we got this far, something went wrong with the file output...
        // It is tempting to throw an exception here, but this code is called
        // outside of the context of exception handling, so all we can do is
        // echo a message.
        echo 'Cannot write session to ' . $sessFile . "\n";
        return false;
    }
}

Open: /usr/local/vufind/module/VuFind/src/VuFind/Session/AbstractBase.php

        // Anecdotal testing Today and Yesterday seems to indicate destroy()
        //   is called by the garbage collector and everything is good.
        // Something to keep in mind though.
        return true;
    }
 
    /**
     * Write function that is called when session data is to be saved.
     *
     * @param string $sessId The current session ID
     * @param string $data   The session data to write
     *
     * @return bool
     */
    public function write($sessId, $data)
    {
        if ($this->writesDisabled) {
            return true;
        }
        return $this->saveSession($sessId, $data);
    }
 
    /**
     * A function that is called internally when session data is to be saved.
     *
     * @param string $sessId The current session ID
     * @param string $data   The session data to write
     *
     * @return bool
     */
    abstract protected function saveSession($sessId, $data);
}

Open: [internal]

Open: /usr/local/vufind/vendor/laminas/laminas-session/src/SessionManager.php

     *
     * @return void
     */
    public function writeClose()
    {
        // The assumption is that we're using PHP's ext/session.
        // session_write_close() will actually overwrite $_SESSION with an
        // empty array on completion -- which leads to a mismatch between what
        // is in the storage object and $_SESSION. To get around this, we
        // temporarily reset $_SESSION to an array, and then re-link it to
        // the storage object.
        //
        // Additionally, while you _can_ write to $_SESSION following a
        // session_write_close() operation, no changes made to it will be
        // flushed to the session handler. As such, we now mark the storage
        // object isImmutable.
        $storage  = $this->getStorage();
        if (! $storage->isImmutable()) {
            $_SESSION = $storage->toArray(true);
            session_write_close();
            $storage->fromArray($_SESSION);
            $storage->markImmutable();
        }
    }
 
    /**
     * Attempt to set the session name
     *
     * If the session has already been started, or if the name provided fails
     * validation, an exception will be raised.
     *
     * @param  string $name
     * @return SessionManager
     * @throws Exception\InvalidArgumentException
     */
    public function setName($name)
    {
        if ($this->sessionExists()) {
            throw new Exception\InvalidArgumentException(
                'Cannot set session name after a session has already started'

Open: [internal]

Environment & details:

GET Data

Key	Value
lookfor	"(((derive or (driver OR river)) droite) or ((derive or (driver OR river)) droit))"
type	AllFields

POST Data empty

Files empty

Key	Value
ui	standard
VUFINDSESSION	nbkvt5ueeqdushs508bh83iddq

Session

Key	Value
__Laminas	Array ( [_REQUEST_ACCESS_TIME] => 1747969695.8368 [_VALID] => Array ( [Laminas\Session\Validator\Id] => nbkvt5ueeqdushs508bh83iddq ) )
SessionState	Laminas\Stdlib\ArrayObject Object ( [storage:protected] => Array ( [cookiePath] => / ) [flag:protected] => 2 [iteratorClass:protected] => ArrayIterator [protectedProperties:protected] => Array ( [0] => storage [1] => flag [2] => iteratorClass [3] => protectedProperties ) )
Search	Laminas\Stdlib\ArrayObject Object ( [storage:protected] => Array ( [last] => /portal/Search/Results?lookfor=%22%28%28%28derive+or+%28driver+OR+river%29%29+droite%29+or+%28%28derive+or+%28driver+OR+river%29%29+droit%29%29%22&type=AllFields [params\|Solr\|hiddenFilters] => Array ( ) [params\|Solr\|limit] => 20 [params\|Solr\|sort] => [params\|Solr\|view] => list ) [flag:protected] => 2 [iteratorClass:protected] => ArrayIterator [protectedProperties:protected] => Array ( [0] => storage [1] => flag [2] => iteratorClass [3] => protectedProperties ) )
FlashMessenger	Laminas\Stdlib\ArrayObject Object ( [storage:protected] => Array ( ) [flag:protected] => 2 [iteratorClass:protected] => ArrayIterator [protectedProperties:protected] => Array ( [0] => storage [1] => flag [2] => iteratorClass [3] => protectedProperties ) )

Server/Request Data

Key	Value
REDIRECT_SCRIPT_URL	/portal/Search/Results
REDIRECT_SCRIPT_URI	https://library.arce.org/portal/Search/Results
REDIRECT_PERL5LIB	/usr/share/koha/lib
REDIRECT_KOHA_CONF	/etc/koha/sites/library/koha-conf.xml
REDIRECT_VUFIND_ENV	development
REDIRECT_VUFIND_LOCAL_DIR	/usr/local/vufind/local
REDIRECT_VUFIND_LOCAL_MODULES	CmsModule
REDIRECT_Shib-Handler	https://library.arce.org/Shibboleth.sso
REDIRECT_HTTPS	on
REDIRECT_SSL_TLS_SNI	library.arce.org
REDIRECT_STATUS	200
SCRIPT_URL	/portal/Search/Results
SCRIPT_URI	https://library.arce.org/portal/Search/Results
PERL5LIB	/usr/share/koha/lib
KOHA_CONF	/etc/koha/sites/library/koha-conf.xml
VUFIND_ENV	development
VUFIND_LOCAL_DIR	/usr/local/vufind/local
VUFIND_LOCAL_MODULES	CmsModule
Shib-Handler	https://library.arce.org/Shibboleth.sso
HTTPS	on
SSL_TLS_SNI	library.arce.org
SSL_SERVER_S_DN_CN	library.arce.org
SSL_SERVER_I_DN_C	US
SSL_SERVER_I_DN_O	Let's Encrypt
SSL_SERVER_I_DN_CN	E6
SSL_SERVER_SAN_DNS_0	library.arce.org
SSL_VERSION_INTERFACE	mod_ssl/2.4.62
SSL_VERSION_LIBRARY	OpenSSL/3.0.15
SSL_PROTOCOL	TLSv1.3
SSL_SECURE_RENEG	true
SSL_COMPRESS_METHOD	NULL
SSL_CIPHER	TLS_AES_256_GCM_SHA384
SSL_CIPHER_EXPORT	false
SSL_CIPHER_USEKEYSIZE	256
SSL_CIPHER_ALGKEYSIZE	256
SSL_CLIENT_VERIFY	NONE
SSL_SERVER_M_VERSION	3
SSL_SERVER_M_SERIAL	052EEE8C3A1ACB80167A1D0988AF6E4CB111
SSL_SERVER_V_START	Apr 27 20:54:28 2025 GMT
SSL_SERVER_V_END	Jul 26 20:54:27 2025 GMT
SSL_SERVER_S_DN	CN=library.arce.org
SSL_SERVER_I_DN	CN=E6,O=Let's Encrypt,C=US
SSL_SERVER_A_KEY	id-ecPublicKey
SSL_SERVER_A_SIG	ecdsa-with-SHA384
SSL_SESSION_ID	b140d51db5d1232b02370dac7fb293c9ebdbcd2b300f7518e4d217db38dbbeac
SSL_SESSION_RESUMED	Initial
HTTP_ACCEPT	/
HTTP_USER_AGENT	Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
HTTP_COOKIE	ui=standard; VUFINDSESSION=nbkvt5ueeqdushs508bh83iddq
HTTP_ACCEPT_ENCODING	gzip, br, zstd, deflate
HTTP_HOST	library.arce.org
PATH	/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
SERVER_SIGNATURE	<address>Apache/2.4.62 (Debian) Server at library.arce.org Port 443</address>
SERVER_SOFTWARE	Apache/2.4.62 (Debian)
SERVER_NAME	library.arce.org
SERVER_ADDR	108.181.242.13
SERVER_PORT	443
REMOTE_ADDR	216.73.216.71
DOCUMENT_ROOT	/usr/share/koha/opac/htdocs
REQUEST_SCHEME	https
CONTEXT_PREFIX	/portal
CONTEXT_DOCUMENT_ROOT	/usr/local/vufind/public
SERVER_ADMIN	webmaster@localhost
SCRIPT_FILENAME	/usr/local/vufind/public/index.php
REMOTE_PORT	30718
REMOTE_USER
REDIRECT_URL	/portal/Search/Results
REDIRECT_QUERY_STRING	lookfor=%22%28%28%28derive+or+%28driver+OR+river%29%29+droite%29+or+%28%28derive+or+%28driver+OR+river%29%29+droit%29%29%22&type=AllFields
GATEWAY_INTERFACE	CGI/1.1
SERVER_PROTOCOL	HTTP/1.1
REQUEST_METHOD	GET
QUERY_STRING	lookfor=%22%28%28%28derive+or+%28driver+OR+river%29%29+droite%29+or+%28%28derive+or+%28driver+OR+river%29%29+droit%29%29%22&type=AllFields
REQUEST_URI	/portal/Search/Results?lookfor=%22%28%28%28derive+or+%28driver+OR+river%29%29+droite%29+or+%28%28derive+or+%28driver+OR+river%29%29+droit%29%29%22&type=AllFields
SCRIPT_NAME	/portal/index.php
PHP_SELF	/portal/index.php
PHP_AUTH_USER
REQUEST_TIME_FLOAT	1747969695.8103
REQUEST_TIME	1747969695

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Cannot write session to /tmp/vufind_sessions/sess_nbkvt5ueeqdushs508bh83iddq Whoops! There was an error.

Whoops \ Exception \ ErrorException (E_WARNING)

session_write_close(): Failed to write session data using user defined save handler. (session.save_path: /var/lib/php/sessions)

Whoops\Exception\ErrorException thrown with message "session_write_close(): Failed to write session data using user defined save handler. (session.save_path: /var/lib/php/sessions)" Stacktrace: #2 Whoops\Exception\ErrorException in /usr/local/vufind/vendor/laminas/laminas-session/src/SessionManager.php:235 #1 session_write_close in /usr/local/vufind/vendor/laminas/laminas-session/src/SessionManager.php:235 #0 Laminas\Session\SessionManager:writeClose in [internal]:0

Application frames (0) All frames (3)

Whoops\Exception\ErrorException

…/vendor/laminas/laminas-session/src/SessionManager.php235

session_write_close

…/vendor/laminas/laminas-session/src/SessionManager.php235

Laminas\Session\SessionManager writeClose

[internal]0

Open: /usr/local/vufind/vendor/laminas/laminas-session/src/SessionManager.php

     *
     * @return void
     */
    public function writeClose()
    {
        // The assumption is that we're using PHP's ext/session.
        // session_write_close() will actually overwrite $_SESSION with an
        // empty array on completion -- which leads to a mismatch between what
        // is in the storage object and $_SESSION. To get around this, we
        // temporarily reset $_SESSION to an array, and then re-link it to
        // the storage object.
        //
        // Additionally, while you _can_ write to $_SESSION following a
        // session_write_close() operation, no changes made to it will be
        // flushed to the session handler. As such, we now mark the storage
        // object isImmutable.
        $storage  = $this->getStorage();
        if (! $storage->isImmutable()) {
            $_SESSION = $storage->toArray(true);
            session_write_close();
            $storage->fromArray($_SESSION);
            $storage->markImmutable();
        }
    }
 
    /**
     * Attempt to set the session name
     *
     * If the session has already been started, or if the name provided fails
     * validation, an exception will be raised.
     *
     * @param  string $name
     * @return SessionManager
     * @throws Exception\InvalidArgumentException
     */
    public function setName($name)
    {
        if ($this->sessionExists()) {
            throw new Exception\InvalidArgumentException(
                'Cannot set session name after a session has already started'

Open: /usr/local/vufind/vendor/laminas/laminas-session/src/SessionManager.php

     *
     * @return void
     */
    public function writeClose()
    {
        // The assumption is that we're using PHP's ext/session.
        // session_write_close() will actually overwrite $_SESSION with an
        // empty array on completion -- which leads to a mismatch between what
        // is in the storage object and $_SESSION. To get around this, we
        // temporarily reset $_SESSION to an array, and then re-link it to
        // the storage object.
        //
        // Additionally, while you _can_ write to $_SESSION following a
        // session_write_close() operation, no changes made to it will be
        // flushed to the session handler. As such, we now mark the storage
        // object isImmutable.
        $storage  = $this->getStorage();
        if (! $storage->isImmutable()) {
            $_SESSION = $storage->toArray(true);
            session_write_close();
            $storage->fromArray($_SESSION);
            $storage->markImmutable();
        }
    }
 
    /**
     * Attempt to set the session name
     *
     * If the session has already been started, or if the name provided fails
     * validation, an exception will be raised.
     *
     * @param  string $name
     * @return SessionManager
     * @throws Exception\InvalidArgumentException
     */
    public function setName($name)
    {
        if ($this->sessionExists()) {
            throw new Exception\InvalidArgumentException(
                'Cannot set session name after a session has already started'

Open: [internal]

Environment & details:

GET Data

Key	Value
lookfor	"(((derive or (driver OR river)) droite) or ((derive or (driver OR river)) droit))"
type	AllFields

POST Data empty

Files empty

Key	Value
ui	standard
VUFINDSESSION	nbkvt5ueeqdushs508bh83iddq

Session

Key	Value
__Laminas	Array ( [_REQUEST_ACCESS_TIME] => 1747969695.8368 [_VALID] => Array ( [Laminas\Session\Validator\Id] => nbkvt5ueeqdushs508bh83iddq ) )
SessionState	Laminas\Stdlib\ArrayObject Object ( [storage:protected] => Array ( [cookiePath] => / ) [flag:protected] => 2 [iteratorClass:protected] => ArrayIterator [protectedProperties:protected] => Array ( [0] => storage [1] => flag [2] => iteratorClass [3] => protectedProperties ) )
Search	Laminas\Stdlib\ArrayObject Object ( [storage:protected] => Array ( [last] => /portal/Search/Results?lookfor=%22%28%28%28derive+or+%28driver+OR+river%29%29+droite%29+or+%28%28derive+or+%28driver+OR+river%29%29+droit%29%29%22&type=AllFields [params\|Solr\|hiddenFilters] => Array ( ) [params\|Solr\|limit] => 20 [params\|Solr\|sort] => [params\|Solr\|view] => list ) [flag:protected] => 2 [iteratorClass:protected] => ArrayIterator [protectedProperties:protected] => Array ( [0] => storage [1] => flag [2] => iteratorClass [3] => protectedProperties ) )
FlashMessenger	Laminas\Stdlib\ArrayObject Object ( [storage:protected] => Array ( ) [flag:protected] => 2 [iteratorClass:protected] => ArrayIterator [protectedProperties:protected] => Array ( [0] => storage [1] => flag [2] => iteratorClass [3] => protectedProperties ) )

Server/Request Data

Key	Value
REDIRECT_SCRIPT_URL	/portal/Search/Results
REDIRECT_SCRIPT_URI	https://library.arce.org/portal/Search/Results
REDIRECT_PERL5LIB	/usr/share/koha/lib
REDIRECT_KOHA_CONF	/etc/koha/sites/library/koha-conf.xml
REDIRECT_VUFIND_ENV	development
REDIRECT_VUFIND_LOCAL_DIR	/usr/local/vufind/local
REDIRECT_VUFIND_LOCAL_MODULES	CmsModule
REDIRECT_Shib-Handler	https://library.arce.org/Shibboleth.sso
REDIRECT_HTTPS	on
REDIRECT_SSL_TLS_SNI	library.arce.org
REDIRECT_STATUS	200
SCRIPT_URL	/portal/Search/Results
SCRIPT_URI	https://library.arce.org/portal/Search/Results
PERL5LIB	/usr/share/koha/lib
KOHA_CONF	/etc/koha/sites/library/koha-conf.xml
VUFIND_ENV	development
VUFIND_LOCAL_DIR	/usr/local/vufind/local
VUFIND_LOCAL_MODULES	CmsModule
Shib-Handler	https://library.arce.org/Shibboleth.sso
HTTPS	on
SSL_TLS_SNI	library.arce.org
SSL_SERVER_S_DN_CN	library.arce.org
SSL_SERVER_I_DN_C	US
SSL_SERVER_I_DN_O	Let's Encrypt
SSL_SERVER_I_DN_CN	E6
SSL_SERVER_SAN_DNS_0	library.arce.org
SSL_VERSION_INTERFACE	mod_ssl/2.4.62
SSL_VERSION_LIBRARY	OpenSSL/3.0.15
SSL_PROTOCOL	TLSv1.3
SSL_SECURE_RENEG	true
SSL_COMPRESS_METHOD	NULL
SSL_CIPHER	TLS_AES_256_GCM_SHA384
SSL_CIPHER_EXPORT	false
SSL_CIPHER_USEKEYSIZE	256
SSL_CIPHER_ALGKEYSIZE	256
SSL_CLIENT_VERIFY	NONE
SSL_SERVER_M_VERSION	3
SSL_SERVER_M_SERIAL	052EEE8C3A1ACB80167A1D0988AF6E4CB111
SSL_SERVER_V_START	Apr 27 20:54:28 2025 GMT
SSL_SERVER_V_END	Jul 26 20:54:27 2025 GMT
SSL_SERVER_S_DN	CN=library.arce.org
SSL_SERVER_I_DN	CN=E6,O=Let's Encrypt,C=US
SSL_SERVER_A_KEY	id-ecPublicKey
SSL_SERVER_A_SIG	ecdsa-with-SHA384
SSL_SESSION_ID	b140d51db5d1232b02370dac7fb293c9ebdbcd2b300f7518e4d217db38dbbeac
SSL_SESSION_RESUMED	Initial
HTTP_ACCEPT	/
HTTP_USER_AGENT	Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
HTTP_COOKIE	ui=standard; VUFINDSESSION=nbkvt5ueeqdushs508bh83iddq
HTTP_ACCEPT_ENCODING	gzip, br, zstd, deflate
HTTP_HOST	library.arce.org
PATH	/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
SERVER_SIGNATURE	<address>Apache/2.4.62 (Debian) Server at library.arce.org Port 443</address>
SERVER_SOFTWARE	Apache/2.4.62 (Debian)
SERVER_NAME	library.arce.org
SERVER_ADDR	108.181.242.13
SERVER_PORT	443
REMOTE_ADDR	216.73.216.71
DOCUMENT_ROOT	/usr/share/koha/opac/htdocs
REQUEST_SCHEME	https
CONTEXT_PREFIX	/portal
CONTEXT_DOCUMENT_ROOT	/usr/local/vufind/public
SERVER_ADMIN	webmaster@localhost
SCRIPT_FILENAME	/usr/local/vufind/public/index.php
REMOTE_PORT	30718
REMOTE_USER
REDIRECT_URL	/portal/Search/Results
REDIRECT_QUERY_STRING	lookfor=%22%28%28%28derive+or+%28driver+OR+river%29%29+droite%29+or+%28%28derive+or+%28driver+OR+river%29%29+droit%29%29%22&type=AllFields
GATEWAY_INTERFACE	CGI/1.1
SERVER_PROTOCOL	HTTP/1.1
REQUEST_METHOD	GET
QUERY_STRING	lookfor=%22%28%28%28derive+or+%28driver+OR+river%29%29+droite%29+or+%28%28derive+or+%28driver+OR+river%29%29+droit%29%29%22&type=AllFields
REQUEST_URI	/portal/Search/Results?lookfor=%22%28%28%28derive+or+%28driver+OR+river%29%29+droite%29+or+%28%28derive+or+%28driver+OR+river%29%29+droit%29%29%22&type=AllFields
SCRIPT_NAME	/portal/index.php
PHP_SELF	/portal/index.php
PHP_AUTH_USER
REQUEST_TIME_FLOAT	1747969695.8103
REQUEST_TIME	1747969695

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler