Archive for the ‘Uncategorized’ Category

NoClassDefFoundError por jars en Dynamic Web Project de Eclipse WTP

septiembre 9, 2012

Luego de incluir un jar y usarlo en un servlet, al ejecutarlo en Tomcat termina en exception con este mensaje:

HTTP Status 500 – Servlet execution threw an exception

type Exception report

message Servlet execution threw an exception

description The server encountered an internal error that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Servlet execution threw an exception

root cause

java.lang.NoClassDefFoundError: ( clase en el jar )
	(paqute y clase del servlet ) :34)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:722)

Para que el jar esté presente en Tomcat durante la ejecución se lo debe agregar en Run Configurations.

Para eso con botón derecho sobre el proyecto > Run As > Run Configurations …

Image

Luego en la pestaña de Classpath. Seleccionar “User Entries” y entrar en “Add Jars”.

Detener y volver a iniciar el servidor y ya tendrá disponible el jar.

 

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Benchmark de notebook Asus N53SV

noviembre 8, 2011

Hoy corrí passmark para mi notebook Asus N53SV. Acá van los resultados usando la placa integrada de Intel.

Para ver los resultados usando la placa Nvidia ver Benchmark de NVIDIA GeForce GT 540M en Asus N53SV

Benchmark Results

Test Name This Computer
CPU – Integer Math 804.9
CPU – Floating Point Math 934.3
CPU – Find Prime Numbers 512.1
CPU – SSE 12.6
CPU – Compression 3324.2
CPU – Encryption 9.5
CPU – Physics 170.1
CPU – String Sorting 1992.4
Graphics 2D – Solid Vectors 4.4
Graphics 2D – Transparent Vectors 4.3
Graphics 2D – Complex Vectors 95.1
Graphics 2D – Fonts and Text 159.4
Graphics 2D – Windows Interface 85.2
Graphics 2D – Image Filters 237.2
Graphics 2D – Image Rendering 434.4
Graphics 3D – Simple 193.3
Graphics 3D – Medium 62.8
Graphics 3D – Complex 25.9
Graphics 3D – DirectX 10 4.0
Memory – Allocate Small Block 3871.9
Memory – Read Cached 1652.2
Memory – Read Uncached 1584.0
Memory – Write 1515.2
Memory – Large RAM 1502.6
Disk – Sequential Read 74.9
Disk – Sequential Write 69.6
Disk – Random Seek + RW 4.2
CD – Read 1.6
CPU Mark 2869.4
2D Graphics Mark 542.5
Memory Mark 894.3
Disk Mark 537.5
CD Mark 192.2
3D Graphics Mark 229.0
PassMark Rating 1114.5

System information – This Computer

System Summary

PerformanceTest 7.0 1025 64-bit
Windows 7 (64-bit)
Intel Core i3-2310M @ 2.10GHz
4007 MB RAM
Intel(R) HD Graphics Family
466GB HDD
CD-RW/DVDRW, CD/DVD/BD/HD DVD-ROM

System Information

System Name: 24HNERD-PC
Operating System: Windows 7 (64-bit)
Motherboard Manufacturer: ASUSTeK Computer Inc.
Motherboard Model: N53SV
Motherboard Version: 1.0
BIOS Manufacturer: American Megatrends Inc.
BIOS Version: N53SV.209
BIOS Release Date: 02/10/2011

Memory Information

Total Physical Memory: 4007 MB RAM
Available Physical Memory: 2581 MB RAM
Slot 1: Not populated
Slot 2: Not populated
Slot 3: 4096MB, 1333MHz
Slot 4: Not populated
Virtual Memory: C:\pagefile.sys (4007 MB)

CPU Information

Manufacturer: GenuineIntel
Type: Intel Core i3-2310M @ 2.10GHz
Number of CPU’s: 1
Cores per CPU: 2
Hyperthreading: Enabled
Measured Speed: 2095.5 MHz
L1 Instruction Cache: 4 x 32 KB
L1 Data Cache: 4 x 32 KB
L2 Cache Size: 4 x 256 KB
L3 Cache: 3 MB

Disk Information

Drive Letter (Number): C (Physical drive 0)
Model Number: ST9500325AS
Disk Size (Free space): 116.4 GBytes (30.0 GBytes)
Disk Cluster Size: 4 KBytes
File System: NTFS
Drive Letter (Number): D (Physical drive 0)
Model Number: ST9500325AS
Disk Size (Free space): 327.8 GBytes (251.3 GBytes)
Disk Cluster Size: 4 KBytes
File System: NTFS

Video Adapters

Description: Intel(R) HD Graphics Family
Chip Type: Intel(R) HD Graphics Family
DAC Type: Internal
Memory: 1811MB
Video BIOS: Intel Video BIOS
Driver Provider: Intel Corporation
Driver Version: 8.15.10.2342
Driver Date: 3-25-2011
Monitor 1: 1366x768x32 60Hz (Primary monitor)
Description: NVIDIA GeForce GT 540M
Chip Type: GeForce GT 540M
DAC Type: Integrated RAMDAC
Memory: 1024MB
Video BIOS: Version 70.8.45.0.22
Driver Provider: NVIDIA
Driver Version: 8.17.12.7061
Driver Date: 4-7-2011

PassMark(TM) PerformanceTest 7.0 Evaluation Version (http://www.passmark.com)
Results generated on: lunes, 07 de noviembre de 2011

Benchmark de NVIDIA GeForce GT 540M en Asus N53SV

noviembre 8, 2011

Los resultados de Passmark para la tarjeta de video Nvidia en la Asus N53SV:

Benchmark Results

Test Name This Computer
Graphics 3D – Simple 616.6
Graphics 3D – Medium 295.0
Graphics 3D – Complex 51.9
Graphics 3D – DirectX 10 10.5
3D Graphics Mark 674.1
PassMark Rating 1631.4

System information – This Computer

System Summary

PerformanceTest 7.0 1025 64-bit
Windows 7 (64-bit)
Intel Core i3-2310M @ 2.10GHz
4007 MB RAM
Intel(R) HD Graphics Family
466GB HDD
CD-RW/DVDRW, CD/DVD/BD/HD DVD-ROM

System Information

System Name: GUISH-PC
Operating System: Windows 7 (64-bit)
Motherboard Manufacturer: ASUSTeK Computer Inc.
Motherboard Model: N53SV
Motherboard Version: 1.0
BIOS Manufacturer: American Megatrends Inc.
BIOS Version: N53SV.209
BIOS Release Date: 02/10/2011

Memory Information

Total Physical Memory: 4007 MB RAM
Available Physical Memory: 2747 MB RAM
Slot 1: Not populated
Slot 2: Not populated
Slot 3: 4096MB, 1333MHz
Slot 4: Not populated
Virtual Memory: C:\pagefile.sys (4007 MB)

CPU Information

Manufacturer: GenuineIntel
Type: Intel Core i3-2310M @ 2.10GHz
Number of CPU’s: 1
Cores per CPU: 2
Hyperthreading: Enabled
Measured Speed: 2095.7 MHz
L1 Instruction Cache: 4 x 32 KB
L1 Data Cache: 4 x 32 KB
L2 Cache Size: 4 x 256 KB
L3 Cache: 3 MB

Disk Information

Drive Letter (Number): C (Physical drive 0)
Model Number: ST9500325AS
Disk Size (Free space): 116.4 GBytes (30.0 GBytes)
Disk Cluster Size: 4 KBytes
File System: NTFS
Drive Letter (Number): D (Physical drive 0)
Model Number: ST9500325AS
Disk Size (Free space): 327.8 GBytes (251.3 GBytes)
Disk Cluster Size: 4 KBytes
File System: NTFS

Video Adapters

Description: Intel(R) HD Graphics Family
Chip Type: Intel(R) HD Graphics Family
DAC Type: Internal
Memory: 1811MB
Video BIOS: Intel Video BIOS
Driver Provider: Intel Corporation
Driver Version: 8.15.10.2342
Driver Date: 3-25-2011
Monitor 1: 1366x768x32 60Hz (Primary monitor)
Description: NVIDIA GeForce GT 540M
Chip Type: GeForce GT 540M
DAC Type: Integrated RAMDAC
Memory: 1024MB
Video BIOS: Version 70.8.45.0.22
Driver Provider: NVIDIA
Driver Version: 8.17.12.7061
Driver Date: 4-7-2011

 

PassMark(TM) PerformanceTest 7.0 Evaluation Version (http://www.passmark.com)
Results generated on: lunes, 07 de noviembre de 2011

sincronizar playcount entre last.fm y songbird

agosto 15, 2011

Este add-on permite actualizar la librería de Songbird con el contador de last.fm

Sirve para iniciar el contador de Songbird en una instalación nueva, o para actualizar Songbird con la música escuchada en otros dispositivos que scroblean a last.fm.

http://addons.songbirdnest.com/addon/1458

Teclado en pantalla en Ubuntu

diciembre 28, 2010

para usar el teclado en pantalla o teclado virtual en ubunto, abrir un terminal y ejecutar  el comando:

onboard