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- about web server
- i have linux web server that is linux as3 & tomcat apache installed .i have following error when browsing the sites.but when i restarts the httpd service manually than it works fine but it is not a prmanent solution .error is following :-HTTP Status 500 - --------------------------------------------------------------------------------type Exception...
- Tags: Web servers, Linux, OPEN SOURCE, deepak3i@..., server, Web server, HttpServlet.java:802, javax.servlet.http.HttpServlet.service, org.apache.jasper.servlet.JspServletWrapper.service, org.apache.jasper.servlet.JspServlet.serviceJspFile, JspServlet.java:292, JspServlet
- Discussion threads 2007-04-29
Additional Resources
- Creating Reusable graph background in JSP
- Creating Reusable graph background in JSPI am trying to compile the sample code fromCreate a reusable graph background in JSP byDonovan Cowie given at builder.comIt gives the following error.I am using NetBeans 4 which uses tomcat, can anyone please help.2005-01-07 08:59:50 StandardWrapperValve[jsp]: Servlet.service for servlet jsp threw exceptionorg.apache.jasper.JasperException: /index.jsp(8,0)...
- Tags: JSP, org.apache.catalina.core.StandardPipeline.invoke, org.apache.catalina.core.StandardValveContext.invokeNext, org.apache.jasper.compiler.Compiler.compile, palla_manjula@..., StandardPipeline.java:520, StandardValveContext.java:104
- Discussion threads 2005-01-07
- Making 802.11g Transmitter Measurements
- 802.11g is the latest standard in wireless computer networking. It follows on the developments of 802.11a and 802.11b, combining the speed of 802.11a with the low cost and installed base of 802.11b devices. The aim of 802.11g - to be interoperable with 802.11b and have acceptable performance, cost, and design...
- Tags: IEEE 802.11, IEEE 802.11g, Transmitter, Wireless LANs, Wi-Fi, Wireless
- White papers 2002-11-20
- 802.11n: The Next Generation of Wireless Performance
- The IEEE 802.11 Working Group has been working for the last few years to standardize an upgrade to the 802.11 radio that provides a new set of capabilities dramatically improving the reliability of 802.11 communications, the predictability of 802.11 coverage, and the overall throughput of 802.11 devices. This paper describes...
- Tags: IEEE 802.11, IEEE 802.11n, IEEE 802.11 Working Group, Wireless LANs, Wi-Fi, Wireless
- White papers 2007-08-01
- 802.11 Wireless LAN Performance
- This white paper compares the performance of a variety of widely available 802.11 retail products, and shows that Atheros-based 802.11a, 802.11b, and 802.11g solutions significantly outperform the competition in both range and throughput.
- Tags: 802.11 Wireless LAN, IEEE 802.11, Atheros Communications, Wireless LANs, Wi-Fi, Wireless
- White papers 2003-04-09
- Question about 802.11b and 802.11g
- Hi,I have run experiments with 802.11b and 802.11g and the results are extremely different. I would like to know if someone could help me identifying the main differences.I am using a max 3 hops ad hoc wireless network. the maximum throughput I get with 802.11g is 8Mbps so the difference...
- Tags: Wi-Fi, WIRELESS, Wireless LANs, IEEE 802.11g
- Q&A 2005-01-19
- IEEE 802.11b
- IEEE 802.11 specifies a 2.4 GHz operating frequency with data rates of 1 and 2 Mbps using either Direct Sequence Spread Spectrum DSSS or Frequency Hopping Spread Spectrum FHSS. This white paper starts with introduction to IEEE 802.11b and then describes CCK used in IEEE 802.11b, Walsh and Complementary Codes...
- Tags: IEEE 802.11, Wireless LANs, Wi-Fi, Wireless
- White papers 2003-10-23
- Capacity Coverage & Deployment Considerations for IEEE 802.11g
- 802.11g is an exciting new technology that offers additional performance, while providing investment protection for 802.11b clients through backward compatibility. By using previous technologies and economies of scale, 802.11g devices are available at little or no additional cost relative to 802.11b. As such, there are many reasons to begin migrating...
- Tags: IEEE 802.11, IEEE 802.11g, Wi-Fi, Wireless, Wireless LANs
- White papers 2007-12-01
- 802.11n draft 1.10 - A kinder gentler neighbor
- Are you going to 802.11n or sticking with 802.11 b/g802.11n has entered the new 1.10 draft faze.http://blogs.techrepublic.com.com/Ou/?p=410Are you even interested? Most enterprises are sticking to 802.11a for the massive channel allocation.
- Tags: george_ou@..., IEEE 802.11n
- Discussion threads 2007-01-23
- IEEE 802.11h: Technology and Application
- This paper focuses on the 802.11h specification for spectrum and transmit power management. The paper overviews the two new mechanisms the 802.11h defines on top of the 802.11 MAC and the 802.11a PHY [8], namely, DFS Dynamic Frequency Selection and TPC Transmit Power Control, and then describe an example DFS...
- Tags: IEEE 802.11, Seoul National University, IEEE, Wireless LANs, Wi-Fi, Wireless
- White papers 2004-09-21
- Practical Considerations for Deploying 802.11n
- Download this White Paper from Siemens Enterprise Communications to demystify the current confusion surrounding the new 802.11n WiFi standard.Find out more about the key issues when considering a move to 802.11n and how HiPath Wireless 802.11n can address them.
- Tags: Siemens AG, IEEE 802.11n, Wi-Fi, Wireless
- White papers 2008-06-06
- Real-Exams.net- 640-802 Practice Test, 640-802 Practice Exam (zip)
- 640-802 practice exam covers all the practice test objectives to pass 640-802 Exam. It includes 640-802 study guide, 640-802 Braindumps, As well Audio exam, Realistic Practice Labs, and Interactive Testing Engine Exam. This version is the first release on CNET Download.com.
- Tags: Exam, Real-Exams
- Software downloads 2008-06-13
- The role of 802.11n in the Enterprise
- If it Isn't Broke, Don't Fix ItSure, some uber-huge organization who has the moola, or needs the bigger pipe, or loves being the early adopter will jump on the bandwagon. But I'll bet it will be a big mess until the device manufacturers figure out what configuration they want...
- Tags: Wi-Fi, TBBrick, IEEE 802.11n
- Discussion threads 2007-06-22
- An Evaluation of the Performance of IEEE 802.11a and 802.11g Wireless Local Area Networks in a Corporate Office Environment
- In recent years there has been considerable interest in the development of standards for Wireless Local Area Networks. In particular, IEEE's 802.11 standard has now been extended to a family of WLAN standards. 802.11a and 802.11g both employ Coded Orthongonal Frequency Division Multiplexing COFDM but operate in different frequency bands....
- Tags: IEEE 802.11, Performance, Network, Environment, Microsoft Office, IEEE 802.11g, WLAN, IEEE, Wireless LANs, Wi-Fi, LANs, Wireless, Networking
- White papers 2005-02-07
- IEEE 802.11g: The New Mainstream Wireless LAN Standard
- Today’s popular IEEE 802.11b (802.11b) for wireless local area networks WLANs has changed the face of networking, providing tremendous flexibility for mobile workers and hassle-free Internet sharing for home users. The next milestone in the evolution of WLANs is the introduction of IEEE 802.11g (802.11g). This new IEEE standard will...
- Tags: IEEE 802.11g, WLAN, Wireless LANs, LANs, Wi-Fi, Wireless, Networking
- White papers 2003-07-02
- 802.11 - A Standard for the Present and Future
- This paper describes IEEE 802.11 standard. The 802.11 family of specifications and 802.1X for authentication build on strong existing standards such as EAP, RADIUS, LDAP, and others to meet these needs. Support for advanced EAP types such as TTLS and PEAP enable 802.1X-based products to serve as one proof point...
- Tags: IEEE 802.11, Meetinghouse, IEEE 802.1X, Wireless LANs, Wi-Fi, Wireless
- White papers 2003-02-01
- What is the big deal about 802.11n?
- Sounds interesting...Okay, so I'm not too bright on 802.11n, or even earlier versions, but this article doesn't really help someone like me. Can someone please explain in a low level enough language for me to understand? How does this physically work? What are the physical connections? ...
- Tags: Wi-Fi, WIRELESS, wolffjw@..., IEEE 802.11n
- Discussion threads 2007-11-20
- Adapting to the Wireless Environment With 802.11k
- This webcast will explain what is 802.11k and why is it needed, 802.11k and the wireless environment, radio resource measurement and control and how 802.11k will impact IT Adaptive algorithms.
- Tags: Environment, Radio, Intel Corp., Advertising & Promotion, Wi-Fi, Wireless, Marketing
- Webcasts
- Performance Analysis and Enhancements for IEEE 802.11e Wireless Networks
- The IEEE 802.11 WLAN legacy standard cannot provide QoS support for multimedia applications. Thus, considerable research efforts have been carried out to enhance QoS support for 802.11. Among them, 802.11e is the upcoming QoS-enhanced standard proposed by the IEEE working group. This paper describes in detail the new QoS features...
- Tags: QoS, Performance, Network, IEEE, Wireless Network, Wireless LANs, Wireless
- White papers 2005-07-01
- A Comparison of Bluetooth and IEEE 802.11
- This document provides a comparison of Bluetooth and 802.11. It provides information on forecasted markets, an 802.11 technical overview, OSI models, modes, features, international band plans, usage scenarios, and interoperability - UPF, Wi-Fi, coexistence, interference, associations, 802.15.1, band plan, FCC, comparison summary of Bluetooth to 802.11b, bill of materials and...
- Tags: IEEE 802.11, Bluetooth, Wireless LANs, Wi-Fi, Wireless
- White papers 2001-12-04
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