Resultados de búsqueda - Universidad Nacional de La Plata. Departamento de Electrotecnia, :: Bibliotecas UNLP

Whoops \ Exception \ ErrorException (E_WARNING)

fopen(/tmp/vufind_sessions/sess_v75usk7jdqcd69gd6r5eajqvuj): Failed to open stream: No space left on device

Whoops\Exception\ErrorException thrown with message "fopen(/tmp/vufind_sessions/sess_v75usk7jdqcd69gd6r5eajqvuj): 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:158 #4 fopen in /usr/local/vufind/module/VuFind/src/VuFind/Session/File.php:158 #3 VuFind\Session\File:saveSession in /usr/local/vufind/module/VuFind/src/VuFind/Session/AbstractBase.php:193 #2 VuFind\Session\AbstractBase:write in [internal]:0 #1 session_write_close in /usr/local/vufind/vendor/laminas/laminas-session/src/SessionManager.php:242 #0 Laminas\Session\SessionManager:writeClose in [internal]:0

Application frames (0) All frames (6)

Whoops\Exception\ErrorException

…/module/VuFind/src/VuFind/Session/File.php158

fopen

…/module/VuFind/src/VuFind/Session/File.php158

VuFind\Session\File saveSession

…/module/VuFind/src/VuFind/Session/AbstractBase.php193

VuFind\Session\AbstractBase write

[internal]0

session_write_close

…/vendor/laminas/laminas-session/src/SessionManager.php242

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): bool
    {
        $sessFile = $this->path . '/sess_' . $sessId;
        if ($handle = fopen($sessFile, 'w')) {
            $return = false;
            // Lock the file for exclusive access to avoid issues with multiple
            // processes writing session simultaneously:
            if (flock($handle, LOCK_EX)) {
                $return = fwrite($handle, $data);
                // Make sure that there's no trailing data by truncating the file to
                // the correct length:
                ftruncate($handle, strlen($data));
                fflush($handle);
                flock($handle, LOCK_UN);
            }
            fclose($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.

Arguments

              "fopen(/tmp/vufind_sessions/sess_v75usk7jdqcd69gd6r5eajqvuj): Failed to open stream: No space left on device"

          

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): bool
    {
        $sessFile = $this->path . '/sess_' . $sessId;
        if ($handle = fopen($sessFile, 'w')) {
            $return = false;
            // Lock the file for exclusive access to avoid issues with multiple
            // processes writing session simultaneously:
            if (flock($handle, LOCK_EX)) {
                $return = fwrite($handle, $data);
                // Make sure that there's no trailing data by truncating the file to
                // the correct length:
                ftruncate($handle, strlen($data));
                fflush($handle);
                flock($handle, LOCK_UN);
            }
            fclose($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.

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, $data): bool
    {
        if ($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): bool;
}

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	"Universidad Nacional de La Plata. Departamento de Electrotecnia,"
type	"Publisher"

POST Data empty

Files empty

Key	Value
language	"es"
ui	"standard"
VUFIND_SESSION	"v75usk7jdqcd69gd6r5eajqvuj"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1738356661.5606 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "v75usk7jdqcd69gd6r5eajqvuj" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#906}
Search	Laminas\Stdlib\ArrayObject {#1212}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1406}
SessionHelper	Laminas\Stdlib\ArrayObject {#1693}

Server/Request Data

Key	Value
REDIRECT_VUFIND_ENV	"development"
REDIRECT_VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
REDIRECT_HTTPS	"on"
REDIRECT_SSL_TLS_SNI	"catalogo.bibliotecas.unlp.edu.ar"
REDIRECT_STATUS	"200"
VUFIND_ENV	"development"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"catalogo.bibliotecas.unlp.edu.ar"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"language=es; ui=standard; VUFIND_SESSION=v75usk7jdqcd69gd6r5eajqvuj"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_HOST	"catalogo.bibliotecas.unlp.edu.ar"
PATH	"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin"
SERVER_SIGNATURE	"<address>Apache/2.4.52 (Ubuntu) Server at catalogo.bibliotecas.unlp.edu.ar Port 443</address>\n"
SERVER_SOFTWARE	"Apache/2.4.52 (Ubuntu)"
SERVER_NAME	"catalogo.bibliotecas.unlp.edu.ar"
SERVER_ADDR	"172.17.0.170"
SERVER_PORT	"443"
REMOTE_ADDR	"18.224.64.51"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"webmaster@bibliotecas.unlp.edu.ar"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"34645"
REDIRECT_URL	"/Search/Results"
REDIRECT_QUERY_STRING	"lookfor=Universidad+Nacional+de+La+Plata.+Departamento+de+Electrotecnia%2C&type=Publisher"
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	"lookfor=Universidad+Nacional+de+La+Plata.+Departamento+de+Electrotecnia%2C&type=Publisher"
REQUEST_URI	"/Search/Results?lookfor=Universidad+Nacional+de+La+Plata.+Departamento+de+Electrotecnia%2C&type=Publisher"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1738356661.546
REQUEST_TIME	1738356661

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

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:242 #1 session_write_close in /usr/local/vufind/vendor/laminas/laminas-session/src/SessionManager.php:242 #0 Laminas\Session\SessionManager:writeClose in [internal]:0

Application frames (0) All frames (3)

Whoops\Exception\ErrorException

…/vendor/laminas/laminas-session/src/SessionManager.php242

session_write_close

…/vendor/laminas/laminas-session/src/SessionManager.php242

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'

Arguments

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

          

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	"Universidad Nacional de La Plata. Departamento de Electrotecnia,"
type	"Publisher"

POST Data empty

Files empty

Key	Value
language	"es"
ui	"standard"
VUFIND_SESSION	"v75usk7jdqcd69gd6r5eajqvuj"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1738356661.5606 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "v75usk7jdqcd69gd6r5eajqvuj" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#906}
Search	Laminas\Stdlib\ArrayObject {#1212}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1406}
SessionHelper	Laminas\Stdlib\ArrayObject {#1693}

Server/Request Data

Key	Value
REDIRECT_VUFIND_ENV	"development"
REDIRECT_VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
REDIRECT_HTTPS	"on"
REDIRECT_SSL_TLS_SNI	"catalogo.bibliotecas.unlp.edu.ar"
REDIRECT_STATUS	"200"
VUFIND_ENV	"development"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"catalogo.bibliotecas.unlp.edu.ar"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"language=es; ui=standard; VUFIND_SESSION=v75usk7jdqcd69gd6r5eajqvuj"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_HOST	"catalogo.bibliotecas.unlp.edu.ar"
PATH	"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin"
SERVER_SIGNATURE	"<address>Apache/2.4.52 (Ubuntu) Server at catalogo.bibliotecas.unlp.edu.ar Port 443</address>\n"
SERVER_SOFTWARE	"Apache/2.4.52 (Ubuntu)"
SERVER_NAME	"catalogo.bibliotecas.unlp.edu.ar"
SERVER_ADDR	"172.17.0.170"
SERVER_PORT	"443"
REMOTE_ADDR	"18.224.64.51"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"webmaster@bibliotecas.unlp.edu.ar"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"34645"
REDIRECT_URL	"/Search/Results"
REDIRECT_QUERY_STRING	"lookfor=Universidad+Nacional+de+La+Plata.+Departamento+de+Electrotecnia%2C&type=Publisher"
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	"lookfor=Universidad+Nacional+de+La+Plata.+Departamento+de+Electrotecnia%2C&type=Publisher"
REQUEST_URI	"/Search/Results?lookfor=Universidad+Nacional+de+La+Plata.+Departamento+de+Electrotecnia%2C&type=Publisher"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1738356661.546
REQUEST_TIME	1738356661

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Analizar de espectros de FM comercial / por Clúa, Raúl

Implementación de control PID's aplicados a un controlador digital : Apéndice. por Alcucero, Marcelo

Implementación de control PID's aplicados a un controlador digital. por Alcucero, Marcelo

Automatización y control del proceso de empalme de bobinas de papel de una máquina rotativa. por Rosito, Pablo

Ingeniería y configuración de redes de banda ancha / por Rodríguez, Martín Facundo

Transmisor de modulación en frecuencia / por Salamanques, Alexis

Implementación de sitema basado en Bluetooth para comunicación celular-radio dentro del automóvil / por Di Cicco, María Teresa

Lector de código de barras tipo lápiz / por Benítez, Juan Manuel

Sistema adquisidor de datos / por Ledesma, Sebastián

Diseño y construcción de un sonómetro / por Vieyro, Damián José

Modulación vectorial de inversores de potencia / por Tonelli, Mauricio A.

Detección y localización de fugas en sistemas de transporte de fluídos incompresibles por conductos / por Di Blasi, Martín Ezequiel

Diseño óptimo de filtros en esquema de modelo paralelo / por Milocco, Rubén H.

Amplificadores de instrumentación en aplicaciones biomédicas / por Spinelli, Enrique Mario

Convertidor de potencia para sistema de generación y almacenamiento de energía eléctrica mediante microgenerador hidroeléctrico por Cassinelli, Nicolás

Cronómetro programable por Abiuso, Hernán Leonardo

Sistema de transmisión de datos PSK-31 por Mattenet, Mariana

Control de acceso monitorable por LAN por Carretero Seisdedos, Damián

Automatización de un sistema de calefacción utilizando estrategias de control difuso por Piemontese, Esteban

Simulador de neuroeje humano. por Cattelani, Juan Pablo

Environment & details:

Environment & details:

Resultados de búsqueda - Universidad Nacional de La Plata. Departamento de Electrotecnia,

Analizar de espectros de FM comercial / por Clúa, Raúl

Implementación de control PID's aplicados a un controlador digital : Apéndice. por Alcucero, Marcelo

Implementación de control PID's aplicados a un controlador digital. por Alcucero, Marcelo

Automatización y control del proceso de empalme de bobinas de papel de una máquina rotativa. por Rosito, Pablo

Ingeniería y configuración de redes de banda ancha / por Rodríguez, Martín Facundo

Transmisor de modulación en frecuencia / por Salamanques, Alexis

Implementación de sitema basado en Bluetooth para comunicación celular-radio dentro del automóvil / por Di Cicco, María Teresa

Lector de código de barras tipo lápiz / por Benítez, Juan Manuel

Sistema adquisidor de datos / por Ledesma, Sebastián

Diseño y construcción de un sonómetro / por Vieyro, Damián José

Modulación vectorial de inversores de potencia / por Tonelli, Mauricio A.

Detección y localización de fugas en sistemas de transporte de fluídos incompresibles por conductos / por Di Blasi, Martín Ezequiel

Diseño óptimo de filtros en esquema de modelo paralelo / por Milocco, Rubén H.

Amplificadores de instrumentación en aplicaciones biomédicas / por Spinelli, Enrique Mario

Convertidor de potencia para sistema de generación y almacenamiento de energía eléctrica mediante microgenerador hidroeléctrico por Cassinelli, Nicolás

Cronómetro programable por Abiuso, Hernán Leonardo

Sistema de transmisión de datos PSK-31 por Mattenet, Mariana

Control de acceso monitorable por LAN por Carretero Seisdedos, Damián

Automatización de un sistema de calefacción utilizando estrategias de control difuso por Piemontese, Esteban

Simulador de neuroeje humano. por Cattelani, Juan Pablo

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