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Amanda Gefter

Amanda Gefter (born 16 August 1980) is an American science writer, noteworthy for her 2014 book ''Trespassing on Einstein's Lawn''. The book won Physics World's 2015 book of the year award. Provided by Wikipedia

In Einsteins achtertuin een duizelingwekkende toer langs de mooiste ideee͏̈n uit de natuurkunde

by Gefter, Amanda
Published 2014

Boek

Whoops! There was an error.

Whoops \ Exception \ ErrorException (E_WARNING)

fopen(/tmp/vufind_sessions/sess_dcq4jpkkk70270i4saqvj3s38s): failed to open stream: No space left on device

Whoops\Exception\ErrorException thrown with message "fopen(/tmp/vufind_sessions/sess_dcq4jpkkk70270i4saqvj3s38s): 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:153 #4 fopen in /usr/local/vufind/module/VuFind/src/VuFind/Session/File.php:153 #3 VuFind\Session\File:saveSession in /usr/local/vufind/module/VuFind/src/VuFind/Session/AbstractBase.php:195 #2 VuFind\Session\AbstractBase:write in [internal]:0 #1 session_write_close in /usr/local/vufind/vendor/zendframework/zend-session/src/SessionManager.php:236 #0 Zend\Session\SessionManager:writeClose in [internal]:0

Stack frames (6)

Whoops\Exception\ErrorException

…/module/VuFind/src/VuFind/Session/File.php153

fopen

…/module/VuFind/src/VuFind/Session/File.php153

VuFind\Session\File saveSession

…/module/VuFind/src/VuFind/Session/AbstractBase.php195

VuFind\Session\AbstractBase write

[internal]0

session_write_close

…/vendor/zendframework/zend-session/src/SessionManager.php236

Zend\Session\SessionManager writeClose

[internal]0

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

        foreach (glob($this->getPath() . "/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 $sess_id The current session ID
     * @param string $data    The session data to write
     *
     * @return bool
     */
    protected function saveSession($sess_id, $data)
    {
        $sess_file = $this->getPath() . '/sess_' . $sess_id;
        if ($fp = fopen($sess_file, "w")) {
            $return = fwrite($fp, $data);
            fclose($fp);
            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 ' . $sess_file . "\n";
        return false;
    }
}

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

        foreach (glob($this->getPath() . "/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 $sess_id The current session ID
     * @param string $data    The session data to write
     *
     * @return bool
     */
    protected function saveSession($sess_id, $data)
    {
        $sess_file = $this->getPath() . '/sess_' . $sess_id;
        if ($fp = fopen($sess_file, "w")) {
            $return = fwrite($fp, $data);
            fclose($fp);
            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 ' . $sess_file . "\n";
        return false;
    }
}

/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 $sess_id The current session ID
     * @param string $data    The session data to write
     *
     * @return bool
     */
    public function write($sess_id, $data)
    {
        if ($this->writesDisabled) {
            return true;
        }
        return $this->saveSession($sess_id, $data);
    }
 
    /**
     * A function that is called internally when session data is to be saved.
     *
     * @param string $sess_id The current session ID
     * @param string $data    The session data to write
     *
     * @return bool
     */
    abstract protected function saveSession($sess_id, $data);
}

[internal]

/usr/local/vufind/vendor/zendframework/zend-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'

[internal]

Environment & details:

GET Data

Key	Value
author	Gefter, Amanda
lng	en
ui	theme2

POST Data empty

Files empty

Key	Value
language	en
VUFIND_SESSION	dcq4jpkkk70270i4saqvj3s38s

Session

Key	Value
__ZF	Array ( [_REQUEST_ACCESS_TIME] => 1748059785.8721 [_VALID] => Array ( [Zend\Session\Validator\Id] => dcq4jpkkk70270i4saqvj3s38s ) )
SessionState	Zend\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	Zend\Stdlib\ArrayObject Object ( [storage:protected] => Array ( [last] => /eind/Author/Home?author=%22Gefter%2C+Amanda%22&type=Author [params\|SolrAuthor\|hiddenFilters] => Array ( ) [params\|SolrAuthor\|limit] => 20 [params\|SolrAuthor\|sort] => [params\|SolrAuthor\|view] => list ) [flag:protected] => 2 [iteratorClass:protected] => ArrayIterator [protectedProperties:protected] => Array ( [0] => storage [1] => flag [2] => iteratorClass [3] => protectedProperties ) )
FlashMessenger	Zend\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_VUFIND_ENV	development
REDIRECT_VUFIND_LOCAL_DIR	/usr/local/vufind/sites/eind
REDIRECT_VUFIND_LOCAL_MODULES	Brocade
REDIRECT_STATUS	200
VUFIND_ENV	development
VUFIND_LOCAL_DIR	/usr/local/vufind/sites/eind
VUFIND_LOCAL_MODULES	Brocade
HTTP_ACCEPT	/
HTTP_USER_AGENT	Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
HTTP_COOKIE	language=en; VUFIND_SESSION=dcq4jpkkk70270i4saqvj3s38s
HTTP_ACCEPT_ENCODING	gzip, br, zstd, deflate
HTTP_HOST	vufind2.brocade.uninova.nl
HTTP_VIA	1.1 squid-proxy-75b5465b89-nkcdk (squid/6.10)
HTTP_X_FORWARDED_FOR	10.1.175.43
HTTP_CACHE_CONTROL	max-age=0
HTTP_CONNECTION	keep-alive
PATH	/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin
SERVER_SIGNATURE	<address>Apache/2.4.29 (Ubuntu) Server at vufind2.brocade.uninova.nl Port 80</address>
SERVER_SOFTWARE	Apache/2.4.29 (Ubuntu)
SERVER_NAME	vufind2.brocade.uninova.nl
SERVER_ADDR	10.251.0.151
SERVER_PORT	80
REMOTE_ADDR	216.73.216.233
DOCUMENT_ROOT	/var/www/html
REQUEST_SCHEME	http
CONTEXT_PREFIX	/eind
CONTEXT_DOCUMENT_ROOT	/usr/local/vufind/public
SERVER_ADMIN	webmaster@localhost
SCRIPT_FILENAME	/usr/local/vufind/public/index.php
REMOTE_PORT	61742
REDIRECT_URL	/eind/Author/Home
REDIRECT_QUERY_STRING	author=Gefter%2C+Amanda&lng=en&ui=theme2
GATEWAY_INTERFACE	CGI/1.1
SERVER_PROTOCOL	HTTP/1.1
REQUEST_METHOD	GET
QUERY_STRING	author=Gefter%2C+Amanda&lng=en&ui=theme2
REQUEST_URI	/eind/Author/Home?author=Gefter%2C+Amanda&lng=en&ui=theme2
SCRIPT_NAME	/eind/index.php
PHP_SELF	/eind/index.php
REQUEST_TIME_FLOAT	1748059785.861
REQUEST_TIME	1748059785

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Amanda Gefter

Related Subjects

Environment & details: