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• tomcat processParameters complains about "invalid chunk ignored"

  - by cgicgi

  I am hosting a software system running under tomcat for quite a number of customers. Some of these send invalid URLs as request. These URLs may contain "&=" or "&&", which is not within the http specs. Now my tomcat complains about the following: "08.09.2010 12:36:04 org.apache.tomcat.util.http.Parameters processParameters WARNING: Parameters: Invalid chunk '' ignored." It is no problem, as is doesn't affect the operation in any way. Only problem ist that the tomcat/logs/catalina.out is growing with every single request. In the net you can find suggestions like: - Fix your URLs (which I can't, as it is the customers who send them) - Raise tomcats log level to ERROR (which I don't want to do, as it would suppress INFO like "INFO: Reloading context [/ContextName]" and other stuff you want to know. - Redirect the log to the application log (which won't solve the problem, as the message will flood just another log) Does anyone know how to solve the problem at its ROOT, which means: Tell tomcat not to complain about invalid request parameters any longer

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• I can write code...but can't design well. Any suggestions?

  - by user396089

  I feel that I am good at writing code in bits and pieces, but my designs really suck. The question is how do I improve my designs (in order to become a better designer). I think schools and colleges do a good job of teaching people as to how to become good at mathematical problem solving, but lets admit the fact that most programs taught at school are generally around 1000 - 2000 lines long, which means that it is mostly an academic exercise and no way reflects the complexity of real world software (a few hundred thousand to millions of lines of code). This is where I believe that even projects like topcoder/project euler also won't be of much help, they might sharpen your mathematical problem solving ability - but you might become a theoretician programmer; someone who is more interested in the nice, clean stuff, and someone who is utterly un-interested in the day to day mundane and hairy stuff that most application programmers deal with. So my question is how do I improve my design skills? That is the ability to design small/medium scale applications that will go into a few thousand of lines of code? How can I learn design skills that would help me build a better html editor kit, or some graphics program like gimp?

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• How to effectively secure a dedicated server for intranet use?

  - by Mark

  I need to secure a dedicated server for intranet use, the server is managed so will have software based security, but what other security should be considered for enterprise level security? The intranet is a host for an ECM (Alfresco) managing and storing sensitive documents. As the information is sensitive we are trying to make it as secure as reasonably possible (requirement in UK law). We plan to encrypt the data on the database. It will be connected to via SSL encryption. Should we consider Hardware firewall, Private lan between the application server and database server?

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• NAS device for distributed team

  - by user5959

  We are a distributed team spread across 5 locations. We have a shared drive (1 TB data) at our former location that we are currently accessing via Hamachi VPN. Our shared drive is a network folder on a Windows Server located at one of our locations. The current connection speed is terrible. The upload speed at the current location of the shared drive is very slow. We looking for a NAS device that we can host at another location with better upload speed that all of us can access. I am looking for a NAS device that has these features: Minimal Maintenance as we do not have dedicated IT resources Access data on the device from multiple locations. Ability to create network drive (On Windows Computers Map Network Drive) Upload data from random client computers without having to install software. (Right now, we use LogMeIn Rescue's file manager) Ability handle slow or dropped connections when transferring files (Maximum size 1.5 GB)

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• Why does Windows 7 update fail with error 800706BE?

  - by parsley72

  I have 18 updates appearing for Windows 7 x64 but when I try to install any of them I get the error 800706BE. The Microsoft help that appears gives several solutions: Fix It button. This downloads MicrosoftFixit50123.msi from http://go.microsoft.com/?linkid=9666880 (963KB). After running it displays the message "This Microsoft Fix It has been processed". System Update Readiness Tool. This is actually in response to error 800B0100 which isn't the one I'm seeing. You download the file from http://windows.microsoft.com/en-US/windows7/What-is-the-System-Update-Readiness-Tool (362 MB). After running it says "Do you want to install the following Windows software update: Hotfix for Windows (KB947821)"

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• Can I rent exclusive time on a powerful server running linux? [closed]

  - by Mark Borgerding

  My company is involved in a proposal that requires speed estimates of our software on a server with the latest & greatest processors. This is not the first time we've been in this situation. The servers themselves are too expensive to buy a new one every time, so we end up extrapolating from what we have. There are so many variables: processor generation & speed, memory speed, memory channels, cache configurations; it makes extrapolation difficult and error-prone. Is there a business that rents time on the newest servers? At least part of the time we'd need exclusive access to an otherwise quiescent system either via ssh shell access or unattended batch jobs. I am not looking for general cloud computing services. I don't need much time on the server, but it needs to be exclusive. And the server needs to be pretty cutting edge for a solid basis of estimate.

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• about Linux read/write only permissions

  - by Bimal

  My question looks similar to another thread: Linux directory permissions read write but not delete Here, I want to create a directory where I can give the permissions like: A user can create/upload any files. A user can re-upload and overwrite the files. A user cannot remove the file anymore. I am on CentOS 5.5, basic user only. How can I do that? Or is there any third party software that can be installed to do this? Or, create a new process which will lock the permissions right after a new file is uploaded via ssh?

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• Are my negative internship experiences representative of the real world? [closed]

  - by attemptAtAnonymity

  I'm curious if my current experiences as an intern are representative of actual industry. As background, I'm through the better part of two computing majors and a math major at a major university; I've aced every class and adored all of them, so I'd like to think that I'm not terrible at programming. I got an internship with one of the major software companies, and half way through now I've been shocked at the extraordinarily low quality of code. Comments don't exist, it's all spaghetti code, and everything that could be wrong is even worse. I've done a ton of tutoring/TAing, so I'm very used to reading bad code, but the major industry products I've been seeing trump all of that. I work 10-12 hours a day and never feel like I'm getting anywhere, because it's endless hours of trying to figure out an undocumented API or determine the behavior of some other part of the (completely undocumented) product. I've left work hating the job every day so far, and I desperately want to know if this is what is in store for the rest of my life. Did I draw a short straw on internships (the absurdly large paychecks imply that it's not a low quality position), or is this what the real world is like?

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• Shockwave not responding in Google Chrome

  - by Nithish Inpursuit Ofhappiness

  When browsing in Google chrome, I get an error message The exception unknown software exception (0x40000015) occurred in the application at location 0x0025bf18. I get a pop-up message later saying that the shockwave plugin is not responding. I've tried uninstalling and re-installing Chrome (even by clearing my browsing data while uninstalling) and still the error persists. There are 2 instances of shockwave that I could see in my chrome by typing chrome://plugins. I've tried disabling either of those alternatively too. This prevents me from browsing a lot of sites including FB and Stackoverflow through my favorite browser. I dont have any problem when I work from Internet Explorer. Please help!

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• Why Does My Laptop Freeze Up When Docked?

  - by Michael Haren

  I have a Dell Latitude D520. First with Windows XP and now with Windows 7, it completely freezes/locks up if I dock it while it's awake. If I hibernate/sleep, dock, then wake/resume, everything's fine. I installed the Dell Notebook System Software for Vista (No Win7 version available) and updated the bios to the latest version but the problem persists. As long as I remember to put this thing in standby before I dock it, it's extremely reliable--it survives my daily commute and heavy use and typically only reboots a few times a month. Any other ideas for things I can try?

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• Hyper-v back-up

  - by Ddave23

  We are trying to decide a good backup strategy for our new Hyper-V setup. We have 3 VMs on Windows 2008 R2 Hyper-V host. We installed Symantec BackupExec 2010 on the host and have the Hyper-V Agent installed. We would like to perform a full backup at night to tape, and an incremental twice a day to a daily tape. Our environment needs constant protection for our database (Microsoft Access). Any thoughts? Should I be looking at different software?

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• Quit job for another but current employer doesn't want to lose me. Would it be a bad idea to stay?

  - by Confused

  So I've handed in my notice at my current job as I've been offered a job at another company. However, my current employer doesn't want to lose me and they want to know what I want to stay. I mostly enjoy working there so I'd be open to negiotiation. The new job was an unexpected opportunity that presented itself. Such things I'd be looking for are: Better computers for developers Opportunity to work from home occasionally Improved internet access (e.g. able to download software, no keyword blocking) Chance to work on other technologies than my primary (we do have projects on other technologies) Pay increase (though this isn't my primary motivation) I found out that some of these were already in progress when I handed in my notice :( Is it ever a good idea to remain at a company after you've resigned? What if they meet all my conditions and alter my contract accordingly? Will I burn my bridges at the new company (I've already told them I'd accept their offer)? Update: Thanks for the answers. Quite a mixed bag which was interesting. Anyway, just so you know, I've chosen to stay at my current company. So far, it definately feels like the right decision. Guess I won't know for a few months whether is was though.

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• Determining where a file is being cached

  - by RoadieRich

  I've got a debian webserver running apache, from which I regularly download an executable using IE 8 on an XP virtual machine (over LAN). However, I realised that somewhere along the line that I've been repeatedly running the same version (and wondering why my changes weren't being displayed). A Ctrl+F5 in IE will let me download the new version (although the page is always updated with a simple F5). This makes me suspect that the caching is happening in windows/IE, but I'm not certain. Wherever it's happening, is there an easy way to prevent it at the server? Eventually, we're hoping to offer the software to the entire company, and we'd like to avoid having to tell everyone to do a Ctrl+F5 every time there's an updated version.

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• BSOD / Reboot Cycling (possibly after windows update?)

  - by Mikey.B

  Windows XP SP3 Hi Guys, My desktop PC rebooted during the night (presumably due to an automated Windows update) and was stuck on a file system check. I forced a reboot as it had been stuck for hours and now the system won't finish booting. It shows the Windows XP splash screen, briefly flickers what looks to be a BSOD, and then reboots. So far, I've tried: Booting into all variations of safe mode (just hangs) Setting BIOS settings to fail-safe defaults (still reboots) Choosing the start-up option to load last known good configuration (still reboots) Any suggestions on how to proceed here? I haven't installed any recent software or hardware so I don't think this is a result of any explicit change I've made. -M

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• How to record audio in Windows Server 2008 Web SP2?

  - by Aurelio De Rosa

  I face into this problem and before ask here I've searched and read a lot of question but no-one seems to fit to my problem. I have a server running Windows Server 2008 Web with the SP2 and a headset attached to it using audio jack. The server has audio driver since I can listen audio. This OS does not came with the built-in audio record tool (the one I have in Windows 7). I can access physically and remotely (using RDC) to this server with administration permission. My local pc has Windows 7 if it can help. All I want to do is to know if it's possible and how to record audio form the microphone (of the server) and store that file in the server from remote connection. I tried to install several software on the server but everyone fails with a different issues (missing DLL which if I put in the system the error doesn't go away).

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• how to actually install PHP etc on a windows 2003 server

  - by user1624421

  We're just purchasing a dedicated windows 2003 server (in fact I think it's a VPS) How do we actually go about installing software on to it? Simply searching for "installing PHP5 on windows server" just produces material about installing it as if one had access to the computer with a keyboard and mouse. Am I being thick? I've had experience managing a linux server before but that had everything pre-configured and we accessed it via Web Hosting Manager. I don't get the actual concept of connecting to a remote PC and...downloading files? If there's any good books available please point me in the right direction.

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• DKIM sign any outgoing mail as the same domain. is possibly?

  - by Felipe Alcacibar

  I have a website, and the users recommend via email to another persons, so the mail come from my site, but I need to appear the user as sender, but "via" mydomain. The logically and what lists management software and companies do is differ the "MAIL FROM" SMTP command and the "From" header (like mailchimp, for example). So I want to DKIM sign a mail with mydomain.com, even if the From header says another domain. is possibly this? I am using postfix with Debian GNU/Linux, and in this case using dkim-filter and dk-filter.

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• ubuntu 9.10 on an external usb drive: grub1 does not work

  - by Toc

  I have installed Ubuntu on a partition of my external usb drive. Since I had problems with grub2, I have uninstalled it and installed grub1. But then the usb drive didn't boot anymore, and I am forced to the limited shell of grub1. If I write manually kernel (hd0,4)/vmlinuz-2.6.31-15-generic root=/dev/sdb4 ro quiet splash initrd (hd0,4)/boot/initrd.img-2.6.31-15-generic boot then Ubuntu is loaded, but if I execute the commands root (hd0,4) setup (hd0) as explained at http://www.gnu.org/software/grub/manual/html_node/Installing-GRUB-natively.html#Installing-GRUB-natively, next time I boot from usb I am forced again to the grub limited shell. How can I restore a working grub?

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• Need to include Calendar and Email in own CRM system. Whose?

  - by PurplePilot

  I am writing a web based application that needs to have some elements of CRM in it but I cannot use an of-the-shelf CRM to do what I want. (Honestly we have been through it all and it will not work). Now while Tasks, Calls, Meetings and Notes are straightforward the idea of reinventing Mail and Calendars seems a waste of time and effort and also unproductive as most users already have their own and it simply adds to the complexity of my application and hacks users off. My thoughts are going around using Outlook and or GMail/iCal and or Mac Mail/iCal and or Thunderbird and importing the relevant data or if possible integrating it into the application. Any thoughts? Anyone got any experience of this can point me in a few directions. N.B. Not looking for an answer as too complex just some pointers and thoughts. Thanks. p.s. We did look at Sugar CRM as the basis for our project and it is useful to get best practice from but as I say it was not useable due to how we are structuring our software, not Sugar's fault.

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• Synced audio ouput on multiple machines? VLC? hardware solutions?

  - by zimmer62

  I'm wondering if there is any software or hardware solutions to synced audio or audio and video across multiple computers or devices on a network. I've seen Sonos, and it might be a good solution, but it's also a very expensive solution. I'd like to be able to play something with realtime audio output on one PC, but hear it on speakers throughout the house, being it the home theater receiver, or another computer in another room. I saw a solution using the apple iport express, but the latency was unacceptable for anything other than just music. I'd like to avoid running audio wires with baluns to a bunch of amplifiers scattered all over the place when I have cat5 run everywhere. Is anyone familiar with using this kind of process for whole home audio? The latency is a big deal for me, if I've got video attached to the sound (e.g. watching a hockey game)

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• License compatibility question

  - by Ivaylo Slavov

  I have a question regarding software licenses. I plan to put a license to a framework that I have written. My intention is that the license should be open, in order to maintain a community. Also I want to control when a new version is released and which changes will be included. The license should allow the framework to be used with commercial products, therefore respecting their own license. I have done some quick research and I decided to double license my work under the Apache License 2.0 (ASL) and Eclipse Public License (EPL). My point is that the EPL will provide me the ability to control the release cycle as well as the contributions to the project and the Apache license will take care for any patents a 3rd party might want to use in a derived work. Also both are open licenses. My question is related to the GLP and LGPL licenses. If I have the above licenses to my framework, will it be possible and legal, for someone to create a derived work of my framework, that is also a derived work of, or links a library that is under the LGPL license? Thanks in advance. EDIT: To be clear I will explain how I expect things to work. The framework will define some common API for certain functionalities as well as a Wrapper class that will invoke an implementation of that API. The Wrapper will be part of the framework, but it will internally call the actual implementation. This implementation should be in a separate library, and such libraries I would like to be developed and maintained by community. Surely the community will have to access the framework but I want to limit changes to the framework by the community but I want to provide freedom for any API implementation (a derived work of the framework). The framework will enable flexible configuration mechanisms that will tell which implementation of an API will be used.

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• Is my laptop good enough to support my development needs? [closed]

  - by KodeSeeker

  I have an ASUS Pentium-R Dual Core CPU running at 2.20Ghz. It has 4 gb of built in ram, currently running a 64 bit Windows 7 . I just started graduate school and Im wondering whether I should go in for a new laptop or just repair the nagging battery on my current one. My requirements include - -Ability to support IDE's - I may end up running Eclipse, Visual Studio's and the like to help with my work. - Ability to run multiple VM's (not concurrently). Im currently running a Ubuntu 12 and 9 as VM's (not sure if this is overloading the system) - I'm a non gamer so I really dont care about a minor glitch caused by running a uber heavy game. -In addition I will have heavy use of Office Application Software and will be using my computer to watch movies and stream media. Looking forward to your replies and suggestions!

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• linux system problem

  - by snakec

  very first thanks to u all for Ur support. I'm quite new to Linux .i know how to install software but i don't know 1: how to install library .a or .so files i: how to install tar.gz i use the method like ./configure. make make install but most of the time i got the message nothing to make .in lots of tar.gz there is no installation document no make file no .configure file that make me quite confused how to install them or run them now i got sample source code of cuda i got them in tar.gz form when i extract them i found a folder in folder i found folder like c ,doc,shared etc when i open each folder i found more folder n file like that src, doc common ,lib, in these folder i found source code file header files libraries file make files i don't know how to run this kind of project can the be installed on the system how to run them they don't have .run file or script they don't have configure file can any one explain me how to compile them ,how to run them & how to install them

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• My proposed design is usually worse than my colleague's - how do I get better?

  - by user151193

  I have been programming for couple of years and am generally good when it comes to fixing problems and creating small-to-medium scripts, however, I'm generally not good at designing large scale programs in object oriented way. Few questions Recently, a colleague who has same number of years of experience as me and I were working on a problem. I was working on a problem longer than him, however, he came up with a better solution and in the end we're going to use his design. This really affected me. I admit his design is better, but I wanted to come up with a design as good as his. I'm even contemplating quitting the job. Not sure why but suddenly I feel under some pressure e.g. what would juniors think of me and etc? Is it normal? Or I'm thinking a little too much into this? My job involves programming in Python. I try to read source code but how do you think I can improve me design skills? Are there any good books or software that I should study? Please enlighten me. I will really appreciate your help.

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• How can I solve Windows PPTP VPN issues?

  - by Robin M

  I'm having persistent problems with Windows PPTP VPN connections. The VPN appears up whilst the tunnel won't transfer traffic (ping to a remote IP within the VPN works for a while, and then fails). The client receives routing information via DHCP. When the connection fails, the routing table is still correct so I don't think it's a routing problem. My internet connection is via an ADSL2 line. There's software to deal with PPTP problems, like TunnelRat, but I don't want to install v1.1 of the .NET framework and I'd rather get to the bottom of the problem (I have multiple VPN connections and some are more unreliable than others). What can I do to get to the bottom of this? Alternatively, what can I do to keep the connection alive?

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