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  • java.lang.IllegalStateException: Parent was not null, but this component not related

    - by Muneeswaran Balasubramanian
    Hi to all, I have the following exception at the time of running jsf program. org.apache.jasper.JasperException: An exception occurred processing JSP page /pages/general/internalServerErrorPage.jsp at line 44 41: <link rel="shortcut icon" href="<%=request.getContextPath()%>/resources/images/infomindzicon.ico" type="image/x-icon" /> 42: </head> 43: <body id="sscmsMainBody"> 44: <h:form id="internalServerErrorPageForm" binding="#{ServerErrorBean.initForm}"> 45: <rich:page id="richPage" theme="#{LayoutSkinBean.layoutTheme}" 46: width="#{LayoutSkinBean.layoutScreenWidth}" 47: sidebarWidth="0"> Caused by: javax.servlet.ServletException: javax.servlet.jsp.JspException: java.lang.IllegalStateException: Parent was not null, but this component not related at org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:858) at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:791) at org.apache.jsp.pages.general.internalServerErrorPage_jsp._jspService(internalServerErrorPage_jsp.java:207) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377) What is the meaning of this exception and how can i resolve this?Please help me.Thanks in advance.

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  • How to perform insert and update with Ado.net dataservices (EF and Inheritance)

    - by Thurein
    Hi, I have an entity model, in which I have a table per type inheritance. There are 3 types, first, Contact, which I defined as abstract in my EF model and the rest are Company and person types which are derived from contact type. Is it possible to perform an insert using ado.net dataservice and asp.net ajax library? I was trying the following client code : dataContext.insertEntity(person, "Contacts"); I was getting this response from server : Error processing request stream. Type information must be specified for types that take part in inheritance. Thanks.

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  • Ending a Rails 2 URL with an IP address causes routing error?

    - by Dave Williams
    I'm trying to construct URLs in the format http://servername/find/by/CRITERION/VALUE CRITERION is a finite set of strings, as is VALUE. Trouble is, VALUE needs to be an IP address in some situations, and it's causing me a routing error. Here's my route: map.find 'find/by/:criterion/:query', :controller => "find", :action => "by" And the error, from the Mongrel logs: Processing ApplicationController#index (for 127.0.0.1 at 2010-05-07 10:20:32) [GET] ActionController::RoutingError (No route matches "/find/by/ip/1.2.3.4" with {:method=>:get}): Rendering rescues/layout (not_found) If I visit /find/by/foo/bar or /find/by/foo/1234 I don't have problems. I suspect the problem might be Rails' inference of MIME types based on periods in the URL, but I don't really know how I can disable that. I've tried passing a :defaults = {:format = :html} to the route but that causes Mongrel to fail to start entirely. Any help appreciated!

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  • Keep-alive for long-lived HTTP session (not persistent HTTP)

    - by stackoverflowuser2010
    At work, we have a client-server system where clients submit requests to a web server through HTTP. The server-side processing can sometimes take more than 60 seconds, which is the proxy timeout value set by our company's IT staff and cannot be changed. Is there a way to keep the HTTP connection alive for longer than 60 seconds (preferably for an arbitrarily long period of time), either by heartbeat messages from the server or the client? I know there are HTTP 1.1 persistent connections, but that is not what I want. Does HTTP have a keep-alive capability, or would this have to be done at the TCP level through some sort of socket option?

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  • Java: Read POST data from a socket on an HTTP server

    - by danpalmer
    I have a website (python/django) that needs to use a load of Java resources that may or may not be on the same server. Therefore I am writing a mini webserver in Java that will receive a request and then when processing is finished, POST some data back to a url on the site. I have got the java code receiving connections on sockets and responding with some simple HTML. My problem is that I will POST data to the Java server and that code needs to act on the data. How do I go about reading the data that is posted in the HTML request, if it is even possible. If not, is there any other way you would do this. If you think I am going about this in completely the wrong way then please tell me and I will consider another method, but after conversing with some Java developers, this seemed like the best way for what I was doing. Thanks

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  • Which audio library to use?

    - by Jeb
    I want to build a .Net application for processing audio, and distribute it using ClickOnce deployment. I need access to a raw audio pipeline. Which audio library should I be using? I've heard the managed libraries for DirectSound are a dead end. I need as little as possible to be installed on the client's machine. Anything outside of the ClickOnce process isn't going to work. NAudio might be a possibility, but isn't there potentially a separate driver install? There's also SlimDX. It's a shame -- the managed DirectX libraries seem to work nicely and from what I've read, DirectX can be included in the ClickOnce install.

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  • Unable to build mercurial on OSX - Python.h not found

    - by Oscar Reyes
    For what I've read I need Python-Dev, how do I install it on OSX? I think the problem I have, is, my Xcode was not properly installed, and I don't have the paths where I should. This previous question: http://stackoverflow.com/questions/2685887/where-is-gcc-on-osx-i-have-installed-xcode-already Was about I couldn't find gcc, now I can't find Python.h Should I just link my /Developer directory to somewhere else in /usr/ ??? This is my output: $ sudo easy_install mercurial Password: Searching for mercurial Reading http://pypi.python.org/simple/mercurial/ Reading http://www.selenic.com/mercurial Best match: mercurial 1.5.1 Downloading http://mercurial.selenic.com/release/mercurial-1.5.1.tar.gz Processing mercurial-1.5.1.tar.gz Running mercurial-1.5.1/setup.py -q bdist_egg --dist-dir /tmp/easy_install-_7RaTq/mercurial-1.5.1/egg-dist-tmp-l7JP3u mercurial/base85.c:12:20: error: Python.h: No such file or directory ... Thanks in advance.

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  • How to check misspelled email during user registration

    - by Nulldevice
    I use an email registration and confirmation in my project (yes, I know about OpenID. In my counry, a main email service lack it). Sometimes users misspell their email addresses. I know about this due to "message could not be delivered" letters in a mailbox. A misspelled address is absolutely correct, because I check it with a regular expression - say, [email protected] intstead of [email protected]. And I do not want to duplicate a email field in a registration form (who likes it?). Request processing routine cannot wait for email delivery - it could take an unpredictable time. So, my script will return to user a confirmation message "An email was sent". And the user will wait for it forever (of cause, not - he/she will turn to an alternative project with a more perfect registration system). Does someone knows how it can be improved (in any programming language)?

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  • Multi-threading mechanisms to run some lengthy operations from winforms code and communication with

    - by tmarouda
    What do I want to achieve: I want to perform some time consuming operations from my MDI winforms application (C# - .NET). An MDI child form may create the thread with the operation, which may take long time (from 0.1 seconds, to even half hour) to complete. In the meantime I want the UI to respond to user actions, including manipulation of data in some other MDI child form. When the operation completes, the thread should notify the MDI child that the calculations are done, so that the MDI child can perform the post-processing. How can I achieve this: Should I use explicit threading (i.e., create explicit threads), thread pools? Or simply just propose your solution. Should I create foreground or background threads? And how does the thread communicates with the GUI, according the solution you propose? If you know of a working example that handles a similar situation, please make a note.

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  • C# GridView dynamically built columns with textboxes ontextchanged

    - by tnriverfish
    My page is a bulk order form that has many products and various size options. I've got a gridview that has a 3 static columns with labels. There are then some dynamically built columns. Each of the dynamically built columns have a textbox in them. The textbox is for quantity. Trying to either update the server with the quantity entered each time a textbox is changed (possibly ontextchanged event) or loop though each of the rows column by column and gather all the items that have a quantity and process those items and their quantities all at once (via button onclick). If I put the process that builds the GridView behind a if(!Page.IsPostBack) then the when a textchanged event fires the gridview only gets the static fields and the dynamic ones are gone. If I remove the if(!Page.IsPostBack) the process to gather and build the page is too heavy on processing and takes too long to render the page again. Some advice would be appreciated. Thanks

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  • Best and simple data structure

    - by anshu
    I am trying to create the below matrix in my vb.net so during processing I can get the match scores for the alphabets, for example: What is the match for A and N?, I will look into my inbuilt matrix and return -2 Similarly, What is the match for P and L?, I will look into my inbuilt matrix and return -3 Please suggest me how to go about it, I was trying to use nested dictionary like this: Dim myNestedDictionary As New Dictionary(Of String, Dictionary(Of String, Integer))() Dim lTempDict As New Dictionary(Of String, Integer) lTempDict.Add("A", 4) myNestedDictionary.Add("A", lTempDict) The other way could be is to read the Matrix from a text based file and then fill the two dimensional array. Thanks.

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  • Thread and two dimensional array in objective C?

    - by mactonny
    Hey, guys, I am just starting to wrap my head around objective C and I am doing a little project on Iphone. And I just encountered a weird problem. I had to deal with images in my program so I have a lot local variables declared like temp[width][height]. If I am not using NSThread to perform image processing, it works all fine. However, if I use NSThread, it'll keep giving me EXC_BAD_ACCESS on whenever I try to access a 2-D array declared like temp[widht][height]. So I have to allocate memory from heap in order to have a 2-D array. That'll solve the problem but I still don't get it. My first thought would be stack over flow, but it worked all fine with one thread. I just don't get it.

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  • What useful GDB scripts have you used/written?

    - by nik
    People use gdb on and off for debugging, of course there are lots of other debugging tools across the varied OSes, with and without GUI and, maybe other fancy IDE features. I would like to know what useful gdb scripts you have written and liked. While, I do not mean a dump of commands in a something.gdb file that you source to pull out a bunch of data, if that made your day, go ahead and talk about it. Lets think conditional processing, control loops and functions written for more elegant and refined programming to debug and, maybe even for whitebox testing Things get interesting when you start debugging remote systems (say, over a serial/ethernet interface) And, what if the target is a multi-processor (and, multithreaded) system Let me put a simple case as an example... Say, A script that traversed serially over entries to locate a bad entry in a large hash-table that is implemented on an embedded platform. That helped me debug a broken hash-table once.

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  • Loading dynamic content and rewrite URL on Hashchange event with Jquery Mobile

    - by user3611500
    I'm building a mobile version for my website using Jquery Mobile API. The framework provides automate AJAX navigation processing. But as far as i know it require "real" pages for loading purpose. What i want to do is override the automate navigation process of it and process the hashchange on my own. But i can't not rewrite the url using window.hashChange, which is running well on my non-mobile website version : $(function () { $(window).off().hashchange(function () { if (location.hash.length > 1) { PageSelect(); } }); $(window).hashchange(); }); I just only want to take advantage on jquery mobile interfaces, i don't want anything with its automate ajax navigation stuff ! I tried to disable it using ajaxEnabled() but got no luck.

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  • Best practices for combining Lucene.NET and a relational database?

    - by FlySwat
    I'm working on a project where I will have a LOT of data, and it will be searchable by several forms that are very efficiently expressed as SQL Queries, but it also needs to be searched via natural language processing. My plan is to build an index using Lucene for this form of search. My question is that if I do this, and perform a search, Lucene will then return the ID's of matching documents in the index, I then have to lookup these entities from the relational database. This could be done in two ways (That I can think of so far): N amount of queries (Horrible) Pass all the ID's to a stored procedure at once (Perhaps as a comma delimited parameter). This has the downside of being limited to the max parameter size, and the slow performance of a UDF to split the string into a temporary table. I'm almost tempted to mirror everything into lucenes index, so that I can periodicly generate the index from the backing store, but only need to access it for the frontend. Advice?

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  • Using Timthumb to Resize Images from CKEditor

    - by Edward Coleridge Smith
    I am using CKEditor to do basic text and image input into my website. I have noticed that it is quite sporadic in it's method of generating HTML for images when you add them. (Sometimes it might use height and width tags, other times it might use CSS). I use Timthumb for on the fly image resizing on a number of other websites and find it very useful. I use a mod_rewrite rule in my .htaccess file to allow me to create domains like http://localhost/images/800x600/image.jpg and achieve resizing. I would like to somehow incorporate this into CKEditor. I cannot find how to do this looking through the documentation so I have tried post-processing the data produced by CKEditor using Regex, however as mentioned before CKEditor seems to be too sporadic to be able to get this to work all the time. Anyone else done this before? How did you achieve it?

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  • Neon toolkit and Gate Web Service

    - by blueomega
    I am trying to run any of the services from gate web service, in neon 2.3. Even Annie that runs so well in gate doesn't run, or better, it stay for indefinite time processing, a thing that should take no more than a couple of seconds. I run wizard, set input directory, leave file pattern as default and set a folder and name for the output ontology, shouldn't it be enough? Shouldn't i get something, even an error? I think its the location who's giving me problems. http://safekeeper1.dcs.shef.ac.uk/neon/services/sardine http://safekeeper1.dcs.shef.ac.uk/neon/services/sprat http://safekeeper1.dcs.shef.ac.uk/neon/services/annie http://safekeeper1.dcs.shef.ac.uk/neon/services/termraider How can i confirm it? Can i run it offline? Can anyone give me a hand? Also, i've seen sprat running on gate, on "SPRAT: a tool for automatic semantic pattern-based ontology population" Can anyone teach me how, and with what versions? Thx, Celso Costa

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  • Application creashing in saveAction of Coredata iphone sdk

    - by neha
    Hi all, In my application I'm inserting data using Coredata like this: GoodWork * newGoodwork = (GoodWork *)[NSEntityDescription insertNewObjectForEntityForName:@"GoodWork" inManagedObjectContext:self.managedObjectContext]; // Step 2: Set Properties [newGoodwork setEletitle:[NSString stringWithFormat:@"%@", aGoodwork.eletitle]]; [newGoodwork setEletxt:[NSString stringWithFormat:@"%@", aGoodwork.eletxt]]; [newGoodwork setSortId:[NSNumber numberWithInt:sortId]]; // Step 3: Save Object [self saveAction]; Everythinng is working fine but in saveAction which is: - (void)saveAction { NSError *error; if (![self.managedObjectContext save:&error]) { NSLog(@"Unresolved Core Data Save error %@, %@", error, [error userInfo]); exit(-1); } } My application is crashing after processing if condition. I'm not inserting all the fields in the entity "Goodwork". Can that be the reason? Thanx in advance.

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  • Where to get apache poi port for .net

    - by Nassign
    I would like to know if there is a website where I could download the Apache POI ported for .net? I already found this link in the web http://www.apache.org/~avik/dist/poi-2.5.1-dev-20040708.dll But the version of apache poi now is 3.6, I was wondering if there is a latest version out there? Does the apache foundation support such porting? I already tried to search the apache website too with no avail. As for using Microsoft library, the excel interopt is not that good for concurrent processing like a web backend. If I use the DocumentFormat.OpenXML library, I have a limitation of creating office 2007 document only.

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  • samsung HMX-H100P camcorder and video encoding with mencoder

    - by jskg
    Hi everyone, my background is totally not related to video stuff so pardon my newbie style. I own a samsung HMX-H100P camcorder and I'm trying to encode videos to be uploaded to Youtube and Vimeo. First problem: videos generated by the camera with no processing appear like this: http://www.youtube.com/watch?v=AANbl_DTuzE when I play them with Totem(Linux) or VideoLan. Second problem: When I try to encode the videos produced by the camera using mencoder I get the video at the resolution I chose but those ugly lines and lagging are still present. Here's the command I use: mencoder $inputFile -aspect 16:9 -of lavf -lavfopts format=psp -oac lavc -ovc lavc -lavcopts aglobal=1:vglobal=1:coder=0:vcodec=libx264:acodec=libfaac:vbitrate=4500:abitrate=128 -vf scale=1280:720 -ofps 25000/1001 -o $outputFile Any ideas? Thanks in advance

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  • Is there a way to make PHP progressively output as the script executes?

    - by Iain Fraser
    So I'm writing a disposable script for my own personal single use and I want to be able see how the process is going. Basically I'm processing a couple of thousand media releases and sending them to our new CMS. So I don't hammer the CMS, I'm making the script sleep for a couple of seconds after every 5 requests. I would like - as the script is executing - to be able to see my echos telling me the script is going to sleep or that the last transaction with the webservice was successful. Is this possible in PHP? Thanks for your help! Iain

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  • Python vs Ruby Top Sites

    - by Steve
    Hi, I was just trying to find some comparison of the existing python web frameworks and ruby frameworks. There are few promising frameworks in python but I was not able to find a top 100 site using python except for google, which uses python extensively. Python has great frameworks but I am not able to find a really popular sites using python. Definitely most of the site would use python for background processing and stuff. On the other hand, ruby on rails has a few sites like twitter,hulu,yellowpages,scribd are present in top 100 sites. Can you mention some really popular sites using either of these languages.

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  • terminate called after throwing an instance of 'std::length_error'

    - by mark
    hello all, this is my first post here. As i am newbie, the problem might be stupid. I was writing a piece of code while the following error message shown, terminate called after throwing an instance of 'std::length_error' what(): basic_string::_S_create /home/gcj/finals /home/gcj/quals where Aborted the following is the offending code especially Line 39 to Line 52. It is weired for me as this block of code is almost same as the Line64 to Line79. int main(){ std::vector<std::string> dirs, need; std::string tmp_str; std::ifstream fp_in("small.in"); std::ofstream fp_out("output"); std::string::iterator iter_substr_begin, iter_substr_end; std::string slash("/"); int T, N, M; fp_in>>T; for (int t = 0; t < T; t++){ std::cout<<" time "<< t << std::endl; fp_in >> N >> M; for (int n =0; n<N; n++){ fp_in>>tmp_str; dirs.push_back(tmp_str); tmp_str.clear(); } for (int m=0; m<M; m++){ fp_in>>tmp_str; need.push_back(tmp_str); tmp_str.clear(); } for (std::vector<std::string>::iterator iter = dirs.begin(); iter!=dirs.end(); iter++){ for (std::string::iterator iter_str = (*iter).begin()+1; iter_str<(*iter).end(); ++iter_str){ if ((*iter_str)=='/') { std::string tmp_str2((*iter).begin(), iter_str); if (find(dirs.begin(), dirs.end(), tmp_str2)==dirs.end()) { dirs.push_back(tmp_str2); } } } } for (std::vector<std::string>::iterator iter_tmp = dirs.begin(); iter_tmp!= dirs.end(); ++iter_tmp) std::cout<<*iter_tmp<<" "; dirs.clear(); std::cout<<std::endl; std::cout<<" need "<<std::endl; //processing the next for (std::vector<std::string>::iterator iter_tmp = need.begin(); iter_tmp!=need.end(); ++iter_tmp) std::cout<<*iter_tmp<<" "; std::cout<<" where "; for (std::vector<std::string>::iterator iter = need.begin(); iter!=need.end(); iter++){ for (std::string::iterator iter_str = (*iter).begin()+1; iter_str<(*iter).end(); ++iter_str){ if ((*iter_str)=='/') { std::string tmp_str2((*iter).begin(), iter_str); if (find(need.begin(), need.end(), tmp_str2)==need.end()) { need.push_back(tmp_str2); } } } } for (std::vector<std::string>::iterator iter_tmp = need.begin(); iter_tmp!= need.end(); ++iter_tmp) std::cout<<*iter_tmp<<" "; need.clear(); std::cout<<std::endl; //finish processing the next } for (std::vector<std::string>::iterator iter= dirs.begin(); iter!=dirs.end(); iter++) std::cout<<*iter<<" "; std::cout<<std::endl; for (std::vector<std::string>::iterator iter= need.begin(); iter!=need.end(); iter++) std::cout<<*iter<<" "; std::cout<<std::endl; fp_out.close(); } best regards, Mark

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  • SynchronizationContext and Bookmarks in WF4

    - by DBatisse
    I am running workflows under asp.net and using SynchronizationContext to make the page "wait" for the workflow. Here is how I run the workflow instance under asp.net: var workflowApplication = new WorkflowApplication(activity); SynchronizationContext syncContext = SynchronizationContext.Current; workflowApplication.Completed = delegate { syncContext.OperationCompleted(); }; workflowApplication.SynchronizationContext = syncContext; syncContext.OperationStarted(); workflowApplication.Run(); In one of the activities I use a bookmark. Now I want the page processing to continue whenever I call CreateBookmark. I tried calling SynchronizationContext.Current.OperationCompleted() before setting the bookmark but that crushes asp.net site when the workflow resumes and completes (I think the workflow instance calls OperationCompleted again when it completes and the error raises) How can I work with bookmarks under Asp.Net, any ideas?

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  • Java exception: "Can't get a Writer while an OutputStream is already in use" when running xAgent

    - by Steve Zavocki
    I am trying to implement Paul Calhoun's Apache FOP solution for creating PDF's from Xpages (from Notes In 9 #102). I am getting the following java exception when trying to run the xAgent that does the processing -- Can't get a Writer while an OutputStream is already in use The only changes that I have done from Paul's code was to change the package name. I have isolated when the exception happens to the SSJS line: var jce: DominoXMLFO2PDF = new DominoXMLFO2PDF(); All that line does is instantiate the class, there is no custom constructor. I don't believe it is the code itself, but some configuration issue. The SSJS code is in the beforeRenderResponse event where it should be, I haven't changed anything on the xAgent. I have copied the jar files from Paul's sample database to mine, I have verified that the build paths are the same between the two databases. Everything compiles fine (after I did all this.) This exception appears to be an xpages only exception.

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