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• How to maximize http.sys file upload performance

  - by anelson

  I'm building a tool that transfers very large streaming data sets (possibly on the order of terabytes in a single stream; routinely in the tens of gigabytes) from one server to another. The client portion of the tool will read blocks from the source disk, and send them over the network. The server side will read these blocks off the network and write them to a file on the server disk. Right now I'm trying to decide which transport to use. Options are raw TCP, and HTTP. I really, REALLY want to be able to use HTTP. The HttpListener (or WCF if I want to go that route) make it easy to plug in to the HTTP Server API (http.sys), and I can get things like authentication and SSL for free. The problem right now is performance. I wrote a simple test harness that sends 128K blocks of NULL bytes using the BeginWrite/EndWrite async I/O idiom, with async BeginRead/EndRead on the server side. I've modified this test harness so I can do this with either HTTP PUT operations via HttpWebRequest/HttpListener, or plain old socket writes using TcpClient/TcpListener. To rule out issues with network cards or network pathways, both the client and server are on one machine and communicate over localhost. On my 12-core Windows 2008 R2 test server, the TCP version of this test harness can push bytes at 450MB/s, with minimal CPU usage. On the same box, the HTTP version of the test harness runs between 130MB/s and 200MB/s depending upon how I tweak it. In both cases CPU usage is low, and the vast majority of what CPU usage there is is kernel time, so I'm pretty sure my usage of C# and the .NET runtime is not the bottleneck. The box has two 6-core Xeon X5650 processors, 24GB of single-ranked DDR3 RAM, and is used exclusively by me for my own performance testing. I already know about HTTP client tweaks like ServicePointManager.MaxServicePointIdleTime, ServicePointManager.DefaultConnectionLimit, ServicePointManager.Expect100Continue, and HttpWebRequest.AllowWriteStreamBuffering. Does anyone have any ideas for how I can get HTTP.sys performance beyond 200MB/s? Has anyone seen it perform this well on any environment?

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• How to update facebook status by http request

  - by Narjes

  I try to send http request like: ..."POST http://api.facebook.com/restserver.php?method=facebook.users.setStatus&api_key=762ec91e7987aaeaee7e2cdfdfcb3c30&call_id=$call_id&sig=$s&v=1.0&uid=1533439618&status=44 HTTP/1.1";.... but I receive nothing... in twitter I success: .. "POST ht tp://twitter.com/statuses/update.xml?status=123123 HTTP/1.1" ...

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• How to make from your Custom HTTP Module a stand alone HTTP server?

  - by Ole Jak

  How to make from your Custom HTTP Module a stand aloun TCP\HTTP server capable of for example runing near to any other HTTP server (on same port, just taking some URL namespace like www.example.com/myModule/blabla?id=anyID, and not beeng rood to my other servers like apache HTTP server with PHP (so I can steel call it www.example.com/myApach/blabla?id=anyID) and with my other C\C++ based servers.)? I need CODE examples...)

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• how to call service inside service layer

  - by cometta

  in my service layer public class MyServiceLayerImpl{ @Autowired MyServiceInterface MyServiceLayer } if i have method inside service layer that need to call another service inside service layer. i cannot use this._method ,because, i'm using AOP for caching. In order for the caching to work, i have to use @Autowired to get the service. Therefore, is the above style ok?

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• Http.Request and cookies Python

  - by Kyle

  I am trying to retrieve source code from a webpage with an already issued cookie and write the source code to a txt file. If I remove the cookies=cookie portion I can retrieve the source code but I need to somehow send the cookie with the http.request. output = open('Filler.txt', 'w+') http = urllib3.PoolManager() cookie =('users' , '1597413515') r = http.request('http://google.com' , 'GET' , cookies=cookie) output.write(r.data) output.close() I get a KeyError: None

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• what can be causes of http server crash?

  - by mithunmo

  Hello , I am using WAMP server on Windows XP. Apache 2.2.11 MySQL 5.1.36 (INNODB engine) PHP 5.3.0 I observe that my WAMP server crashes in the following scenarios IF I use a Low end PC ( low processor speed and low RAM) After making some changes to httpd.conf file .For eg changing the Allow from IP address . But here it crashes only once and then it starts to work fine. Random crashes CRASH LOG szAppName : httpd.exe szAppVer : 2.2.11.0 szModName : php5ts.dll szModVer : 5.3.0.0 offset : 0000c309 C:\DOCUME~1\blrcom\LOCALS~1\Temp\WERc677.dir00\httpd.exe.mdmp C:\DOCUME~1\blrcom\LOCALS~1\Temp\WERc677.dir00\appcompat.txt My questions Does high CPU utilization/LOW RAM can also cause the HTTP server to crash ? excessive file reading as in every 10 seconds ? unlimited script execution time . I have set the maximum execution time in php script to 0 as my script has to execute for sometimes 2-3 days. Is there any way to avoid this ? Access to Database ? Should we use lock before reading and writing Can these be the reasons for random wamp server crashes ? OR is is some other programming error ? Please guide me . Regards, Mithun

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• Outbound HTTP performance tuning recommendations

  - by Richard Gadsden

  I'll detail my exact setup below, but general recommendations for a better web-browsing experience will be useful. A nice checklist of things to try would be great! I have 600 users on a single site with an 8MB leased line. I get a lot of moans about the performance of "the internet" (ie web-browsing). What recommendations do the community have for speeding things up without just throwing more bandwidth at it? I expect I will end up buying some more, but good management tips are always valuable. My setup is this: Cisco PIX (515E) firewall on the edge of the network. It's just doing some basic NAT, and opening up a handful of ports to various bastion hosts (aka DMZ servers). The DMZ is just a switch that the servers are plugged into. ISA 2006 Enterprise array (two servers) connecting DMZ to the internal LAN, with WebSense Web Security filtering HTTP traffic so users can't look at porn or waste bandwidth on YouTube during working hours. I've done a few things - I've just switched my internal DNS over to use root hints, which halved DNS query latency from 500ms to 250ms. Well worth doing. I'm trying to cache more aggressively, but so much more of the internet is AJAXy and doesn't cache very well as compared to five years ago. Plus the 70GB of cache which felt like a lot a few years ago really isn't any more. I'm getting about 45% cache hits by number of requests, but only about 22% by size, ie larger objects are less likely to be cached. Latency seems to be part of the problem. Is that attributable to the bandwidth problem, or are there things I can look at to try to reduce latency even on heavily-loaded bandwidth?

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• HTTP Upload Problems

  - by jfoster

  We are running a marketplace on ColdFusion8 and IIS with a widely geographically distributed user base and have been receiving complaints of issues with some HTTP uploads. Most of the complaints are coming from geographically distant locations from our main datacenter on the US east coast. I've attempted to upload the same 70MB file from a US West coast test server to both our main site and a backup running the same code on a different network route and I saw the same issues fairly consistently in both places, so I've ruled out the code, route, and internal network errors. I've also tested uploads using both the native cf upload tag and a third party tool called SaFileUp. I saw the same issues with both upload tools, so I also don't think this is necessarily a ColdFusion problem. I don't have any problems uploading the test file from the East coast to other east coast servers, so I'm beginning to think that the distance between our users and our equipment is a factor. I've also found that smaller files are more likely to succeed than large ones (< 10MB) I tried the test upload with both IE and FF and did notice a difference in the way that the browsers seemed to handle packet errors. IE seemed to have a tough time continuing an upload after dropped / bad packets, whereas FF seemed to have the ability to gracefully resume an upload after experiencing packet problems. Has anyone experienced similar issues? Is there anything we can do on our side to make uploads more forgiving to packet loss or resumable after an error? A different upload tool etc… Do we need upload servers in more than one location to shorten the network routes between clients and servers? Does anyone think that switching uploads to SSL will help (no layer7 packet sniffing may lead to a smoother upload). Thanks.

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• chef deploy start service and restart service in sequence

  - by Ryan

  Chef stop and start service in sequence and would like to ask different procedure. Step 1: framework bootstrap to jboss service bash "bootstrap application" do code <<-EOF ant bootstrap EOF end Step 2: then start jboss service "jboss" do action :start end Step 3: install application bash "install application" do code <<-EOF ant install EOF end in between step 2 and 3, ant install returns error because jboss is not started yet. but successful on the 2nd run. obviously step 3 doesnt know if the jboss already started. how to do this on chef?

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• HTTP cache for my virtual machines

  - by MathematicalOrchid

  I have several Linux virtual machines running on my home PC. One of the quirks of Linux is that every time you run a package manager, it wants to "refresh" the configured software repositories - which basically means it wants to download a file from the Internet. If I revert to an earlier snapshot of the VM, then next time I run the package manager it will re-download the exact same data again [since it no longer exists in the VM]. It seems a shame to waste bandwidth endlessly downloading the same data over and over again, so I was wondering if there's some way I can set up some kind of HTTP proxy server that caches downloaded files. I have no idea how you would do such a thing though. In particular, it needs to be set up so that the VMs don't need to "know" that the cache is there; it needs to be transparent. But I don't know how to do that. Any suggestions on what software I'd need to use? It would be nice if I could run it under the Windows host OS, but running a small VM with a Linux guest is also possible...

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• Is it bad to redirect http to https?

  - by jasondavis

  I just installed an SSL Certificate on my server. I use a web hosting panel called ZPanel that is an open source project. It then set up a redirect for all traffic on my domain on Port 80 to redirect it to Port 443. In other words, all my http://example.com traffic is now redirected to the appropriate https://example.com version of the page. The redirect is done in my Apache Virtual Hosts file with something like this... RewriteEngine on ReWriteCond %{SERVER_PORT} !^443$ RewriteRule ^/(.*) https://%{HTTP_HOST}/$1 [NC,R,L] My question is, are there any drawbacks to using SSL? Since this is not a 301 Redirect, will I lose link juice/ranking in search engines by switching to https? I appreciate the help. I have always wanted to set up SSL on a server, just for the practice of doing it, and I finally decided to do it tonight. It seems to be working well so far, but I am not sure if it's a good idea to use this on every page. My site is not eCommerce and doesn't handle sensitive data; it's mainly for looks and the thrill of installing it for learning. UPDATED ISSUE Strangely Bing creates this screenshot from my site now that it is using HTTPS everywhere...

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• Oracle Announces Leading ISV Integration With Oracle Sales and Marketing Cloud Service

  - by Richard Lefebvre

  More Than 100 ISVs, including Big Machines, Marketo and Xactly, now Provide Integrated Offerings to Help Maximize Sales and Single Customer Viewpoint Demonstrating its continued commitment to business value via open standards and the cloud, Oracle today announced that more than 100 leading ISVs are integrating in the cloud with Oracle Sales and Marketing Cloud Service, a service available through Oracle Cloud. For the first time Oracle Sales and Marketing Cloud Service users can choose from a wide array of directly integrated third-party solutions, providing a new level of choice, seamless deployment and single view of customers with preferred implementations. Top partners, including ActivePrime, Avaya, BigMachines, Box, Brainshark, Callidus Software, CirrusPath, Clicktools, CRMIT, DBSync, EchoSign from Adobe, Eloqua, Fliptop, FPX, HarQen, HubSpot, iHance, InsideSales.com, InsideView, Interactive Intelligence, Lingotek, LinkPoint360, Marketo, Nuance, PerspecSys, Postcode Anywhere, Revegy, salesElement, StrikeIron, upsourceIT, White Springs, X+1 and Xactly, have announced their availability and integration today. By integrating with Oracle Sales and Marketing Cloud Service, ISV solutions can easily be leveraged by customersBy choosing Oracle Sales and Marketing Cloud Service as a sales platform, customers will continue to have complete choice of their own quoting, lead management and sales methodology solutions and it will all be pre-integrated with Oracle Sales and Marketing Cloud Service. With demonstrable integration fusing standards-based technologies, such as SOAP web services, Oracle Sales and Marketing Cloud Service customers choosing ISV integrations will also benefit from familiar ease-of-use and the Oracle Sales and Marketing Cloud ervice user interface, including buttons, links and custom objects for a rich user experience. ISV integration with Oracle Sales and Marketing Cloud Service also enables on-demand contextual data exchange capabilities, linking Oracle Sales and Marketing Cloud Service business data with third-party application data for a complete CRM view. ISVs building robust, repeatable integrations with Oracle Sales and Marketing Cloud Service can begin the process of achieving Oracle Validated Integration, an Oracle PartnerNetwork program that recognizes Oracle partner solutions with proven integration to Oracle Applications. ISVs can learn more about Oracle Validated Integration    here. For customers, Oracle Validated Integration means that a partner’s integration has been tested and validated as functionally and technically sound, that the partner solution is integrated with Oracle Sales and Marketing Cloud Service in a reliable, standardized way, and that the integration operates and performs as documented. Oracle Cloud provides a broad portfolio of Platform Services, Application Services, and Social Services, all on a subscription basis. Oracle Cloud delivers instant value and productivity for end users, administrators, and developers through functionally rich, integrated, secure, enterprise cloud services. Supporting Quotes “BigMachines is a leader in Configure, Price, and Quote solutions in the Cloud. Our solution delivers accurate quotes directly from an opportunity, integrated with the leading Oracle Sales and Marketing Cloud application from Oracle,” says John Pulling, Senior Vice President of Products at Big Machines. “Together, Big Machines and Oracle efficiently automate changes, enabling a faster, more efficient sales process for our joint customers.”   ”Modern marketing and sales must engage customers and prospects in real time across the web, email, social media, online and offline channels to understand where and how to allocate their budgets for maximum return,” said Srini Venkatesan, Senior VP, Products and Engineering at Marketo. “Alignment and integration with Oracle Sales and Marketing Cloud Service allows Marketo’s solutions to deliver innovative capabilities for sales and marketing to adapt and grow their business on the core Oracle platform for CRM.”   “Sales incentives are the best way to drive better performance. Well managed incentives improve the bottom line, particularly when combined with effective sales systems,” said Christopher Cabrera, president and CEO of Xactly Corporation. “With Oracle Sales and Marketing Cloud Service and Xactly working together, customers gain insight and efficiencies. The combination can create more effective compensation programs, while motivating sales to work to its full potential."   “The tremendous integration of leading ISVs with Oracle Sales and Marketing Cloud Service is a testament to the undeniable business value and demand from customers,” said Anthony Lye, SVP of Oracle CRM. “Oracle Sales and Marketing Cloud Service continues to define the industry, and we are proud to work with these leading ISVs to help users simultaneously maximize sales and revenue and extend their current deployments for a deeper and single customer viewpoint.” Supporting Resources Oracle Sales and Marketing Cloud Service Learn More About Oracle Cloud

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• How to forward a [sub]domain to another address? (not just HTTP!)

  - by M. Joanis

  Hello everyone! I have bought domain1.me from GoDaddy... (yeah, I know... but ME domain registrars seemed quite hard to find...) I'm mainly hosted at 1and1. I have registered subdomain sub1.domain1.me and redirected it to my 1and1 account. That should eventually work fine. Then I have registered sub2.domain1.me and tried to redirect it to a box at home. It works #1 when for HTTP. I can access SSH server without any problem when I use the IP directly, but not when using sub2.domain1.me:22. The way I see this, they (GoDaddy) are redirecting only on port 80 (why would they?). I have looked at 1and1 forwarding too and they ask for an URI starting with http so I guess that's the same behavior. What are you guys doing to be able to host stuff from home (HTTP, SSH, SVN, Git, etc. etc.) using a domain name to prevent everyone to have to remember your IP??? Heeeelp! Thanks!

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• uploading via http post (multipart/form-data) silently fails with big files

  - by matteo

  When uploading multipart/form-data forms via a http post request to my apache web server, very big files (i.e. 30MB) are silently discarded. On the server side all looks as if the attached file was received with 0 bytes size. On the client side all looks like it had been uploaded succesfully (it takes the expected long time to upload and the browser gives no error message). On the server, nothing is logged into the error log. An entry is logged into the access log as if everything was ok (a post request and a 200 ok response). These uploads are being posted to a php script. In the php script, If I print_r $_FILES, I see the following information for the relevant file: [file5] => Array ( [name] => MOV023.3gp [type] => video/3gpp [tmp_name] => /tmp/phpgOdvYQ [error] => 0 [size] => 0 ) Note both [error] = 0 (which should mean no error) and [size] = 0 (as if the file was empty). My php script runs fine and receives all the rest of the data except these files. move_uploaded_file succeeds on these files and actually copies them as 0byte files. I've already changed the php directives max_upload_size to 50M and post_max_size to 200M, so neither the single file nor the request exceed any size limit. max_execution_time is not relevant, because the time to transfer the data does not count; and I've increased max_input_time to 1000 seconds, though this shouldn't be necessary since this is the time taken to parse the input data, not the time taken to upload it. Is there any apache configuration, prior to php, that could be causing these files to be discarded even prior to php execution? Some limit in size or in upload time? I've read about a default 300 seconds timeout limit, but this should apply to the time the connection is idle, not the time it takes while actually transferring data, right? Needless to say, uploads with all exactly identical conditions (including file format, client and everything) except smaller file size, work seamlessly, so the issue is clearly related to the file or request size, or to the time it takes to send it.

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• IIS 401.3 - Unauthorized on only 1 server out of 3 set up for network load balancing

  - by Tony

  Over the weekend our Server Admin set up two virtual Windows 2008 machines with IIS installed and set them up under NLB. I came in and changed the application pool the website was running under to our domain account that has proper access to the database and the file share hosting our .NET web application Sitefinity, and changed it to .NET 4 Integrated. NLB and everything was running fine on both servers. He brought up the third server for our cluster on Tuesday and I performed the same actions.. The only difference was that I was given admin rights for the third server so I could set it up remotely instead of going to his office. He has full control over the share and NTFS perms on \\hostname\Sitefinity and I believe I only had read access. I pointed the web site to the same \\hostname\Sitefinity\sitename share that the others were on and the authentication/authorization test settings passed. I hit the site from http://localhost (like I did successfully from the other two before trying the cluster's IP address) and I received a HTTP Error 401.3 - Unauthorized. I've verified many times that the application pool is running under the same service account. I tried hitting just a simple test.htm.. works fine on both of the first two servers but I get the same 401.3 on the third. I copied my dev project to the local inetpub directory and re-pointed the website and that ran perfectly. I turned on Failed Request Tracing and it acts like it's still running the local IUSR account I guess (instead of my domain account)? Here is an excerpt of the File Cache Access Start and the error from the trace: FileName \\hostname\sitefinity\sitename\test.htm UserName IUSR DomainName NT AUTHORITY ---------- Successful false FileFromCache false FileAddedToCache false FileDirmoned true LastModCheckErrorIgnored true ErrorCode 2147942405 LastModifiedTime ErrorCode Access is denied. (0x80070005) ---------- ModuleName IIS Web Core Notification 2 HttpStatus 401 HttpReason Unauthorized HttpSubStatus 3 ErrorCode 2147942405 ConfigExceptionInfo Notification AUTHENTICATE_REQUEST ErrorCode Access is denied. (0x80070005) ---------- My personal AD account was then granted read/write perms to the share so I created a new application pool and set the site under it in case there was an issue with the application pool but no success. I created another under my own account and it still failed. It just seems like maybe it's not trying to access the files under the account my application pools are running under although that's the only way I've done things before. I set the Physicial Path Credentials in Advanced Settings on the site to the service account and it threw a 500 error of some sort so I assume that's not the answer (and I don't have to do it on the other servers). It's like somehow I'm trying to force impersonation on the IUSR account or something?

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• SQL Server service accounts and SPNs

  - by simonsabin

  Service Principal Names (SPNs) are a must for kerberos authentication which is a must when using sharepoint, reporting services and sql server where you access one server that then needs to access another resource, this is called the double hop. The reason this is a complex problem is that the second hop has to be done with impersonation/delegation. For this to work there needs to be a way for the security system to make sure that the service in the middle is allowed to impersonate you, after all you are not giving the service your password. To do this you need to be using kerberos. The following is my simple interpretation of how kerberos works. I find the Kerberos documentation rediculously complex so the following might be sligthly wrong but I think its close enough. Keberos works on a ticketing system, the prinicipal is that you get a security token from AD and then you can pass that to the service in the middle which can then use that token to impersonate you. For that to work AD has to be able to identify who is allowed to use the token, in this case the service account.But how do you as a client know what service account the service in the middle is configured with. The answer is SPNs. The SPN is the mapping between your logical connection to the service account. One type of SPN is for the DNS name for the server and the port. i.e. MySQL.mydomain.com and 1433. You can see how this maps to SQL Server on that server, but how does it map to the account. Well it can be done in two ways, either you can have a mapping defined in AD or AD can use a default mapping (this is something I didn't know about). To map the SPN in AD then you have to add the SPN to the user account, this is documented in the first link below either directly or using a tool called SetSPN. You might say that is complex, well it is and thats why SQL Server tries to do it for you, at start up it tries to connect to AD and set the SPN on the account it is running as, clearly that can only happen IF SQL is running as a domain account AND importantly it has permission to do so. By default a normal domain user account doesn't have the correct permission, and is why so many people have this problem. If the account is a domain admin then it will have permission, but non of us run SQL using domain admin accounts do we. You might also note that the SPN contains the port number (this isn't a requirement now in sql 2008 but I won't go into that), so if you set it manually and you are using dynamic ports (the default for a named instance) what do you do, well every time the port changes you need to change the SPN allocated to the account. Thats why its advised to let SQL Server register the SPN itself. You may also have thought, well what happens if I change my service account, won't that lead to two accounts with the same SPN. Possibly. Having two accounts with the same SPN is definitely a problem. Why? Well because if there are two accounts Kerberos can't identify the exact account that the service is running as, it could be either account, and so your security falls back to NTLM. SETSPN is useful for finding duplicate SPNs Reading this you will probably be thinking Oh my goodness this is really difficult. It is however I've found today in investigating something else that there is an easy option. Use Network Service as your service account. Network Service is a special account and is tied to the computer. It appears that Network Service has the update rights to AD to set an SPN mapping for the computer account. This then allows the SPN mapping to work. I believe this also works for the local system account. To get all the SPNs in your AD run the following, it could be a large file, so you might want to restrict it to a specific OU, or CN ldifde -d "DC=<domain>" -l servicePrincipalName -F spn.txt You will read in the links below that you need SQL to register the SPN this is done how to use Kerberos authenticaiton in SQL Server - http://support.microsoft.com/kb/319723 Using Kerberos with SQL Server - http://blogs.msdn.com/sql_protocols/archive/2005/10/12/479871.aspx Understanding Kerberos and NTLM authentication in SQL Server Connections - http://blogs.msdn.com/sql_protocols/archive/2006/12/02/understanding-kerberos-and-ntlm-authentication-in-sql-server-connections.aspx Summary The only reason I personally know to use a domain account is when you can't get kerberos to work and you want to do BULK INSERT or other network service that requires access to a a remote server. In this case you have to resort to using SQL authentication and the SQL Server uses its service account to access the remote service, and thus you need a domain account. You migth need this if using some forms of replication. I've always found Kerberos awkward to setup and so fallen back to this domain account approach. So in summary to get Kerberos to work try using the network service or local system accounts. For a great post from the Adam Saxton of the SQL Server support team go to http://blogs.msdn.com/psssql/archive/2010/03/09/what-spn-do-i-use-and-how-does-it-get-there.aspx 

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• Axis 1.4 Java: Modify HTTP response code

  - by Achim Bitzer

  Hello, Is there a way to modify the HTTP response code when using apache axis 1.4 for java? This would be useful for testing purposes, for example simulating server side errors. I've already tried the following: Set the HTTP code directly in the http servlet Request: MessageContext context = MessageContext.getCurrentContext(); HttpServletResponse response = (HttpServletResponse) context.getProperty( HTTPConstants.MC_HTTP_SERVLETRESPONSE); response.setStatus(e.getErrorCode()); // no effect Set the HTTP code as axis message context property: MessageContext context = MessageContext.getCurrentContext(); context.setProperty(HTTPConstants.MC_HTTP_STATUS_CODE, e.getErrorCode()); But this didn't seem to work, the actual HTTP code always was 200. Any ideas would be greatly appreciated :-) Greetings, Achim Bitzer

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• Not getting a response when using Android Async HTTP (from loopj)

  - by conor

  I am using the Async Http library from loopj.com and also the sample code from the site. The problem is that when the request is made I don't get a response. I have even overridden the onFinish() function which isn't getting fire either. I am using the sample code from their site which is as follows: import com.loopj.android.http.AsyncHttpClient; import com.loopj.android.http.AsyncHttpResponseHandler; Log.v("bopzy_debug", "Testing HTTP Connectivity"); System.out.println("123"); AsyncHttpClient client = new AsyncHttpClient(); client.get("http://www.google.com", new AsyncHttpResponseHandler() { @Override public void onSuccess(String response) { Log.v("bopzy_debug", response); } @Override public void onFinish() { Log.v("bopzy_debug", "Finished.."); } }); Any ideas on how to solve would be greatly appreciated, not really sure what is going on here.

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• htaccess mod rewrite changes http://www to http:/www

  - by Nir

  I want to replace calls like this: www.mysite.com/sub/file.php?param1=x&param2=http://www.someurl.com with: www.mysite.com/sub/param1/param2 Param 1 is an integer number Param 2 is a url I wrote this rewrite rule in htaccess: RewriteCond %{REQUEST_URI} \/sub\/ RewriteRule sub\/([0-9]+)\/(.*)$ sub\/file.php?param1=$2&param2=$1 [L] Unfortunately param2 (the URL) starts with http:/www.someurl.com instead of http://www.someurl.com (note the single slash). Any idea what causes it? When I call the same file with same parameters in the format www.mysite.com/sub/file.php?param1=x&param2=http://www.someurl.com , param2 does appear OK so it must be something with the rewrite rule.

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• Server Push / HTTP Streaming on Windows Mobile / Windows CE

  - by afriza

  Hi, I find that HTTP Streaming / Server Push is quite promising for my project. Does someone have any clue on how to implement this in Windows Mobile? .NET / Native / other implementations are welcomed. Preferably with permissive license. some links on HTTP Steaming / Server Push: - Push Technology - Streaming HTTP / Server Push - Cross-browser implementation of “HTTP Streaming” (push) AJAX pattern - XEP-0124: Bidirectional-streams Over Synchronous HTTP (BOSH) I was thinking of using some Qt XMPP library (QXmpp) to do the job, but I'm not sure if it's up for the task and I also want to hear some opinions on this.

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• Are Windows Domain Service Accounts Really Necessary?

  - by Zach Bonham

  One of the biggest problems we have in automating application deployments is the idea that running IIS AppPools and Windows Services under domain service accounts is a 'best practice'. Unfortunately, this best practice sometimes causes deployment headaches in that either we need to provision a new domain level service account quickly, or once we have the account, we now need to manage the account credentials. I had a great conversation about not making domain level service accounts a requirement and effectively taking one of two approaches: Secure at the node level using machine account(domain\machine$) and add the node to appropriate ActiveDirectory/Sql groups/roles Create local app specific accounts on each machine (machine\myapp) and add that account to appropriate ActiveDirectory/Sql groups/roles (the password here can change per deployment, it doesn't need to be stored) In both cases, it seems that its easier to manage either adding an account to appropriate group/role, or even stand up new, local account, than it is to have to provision a new domain level account and manage those credentials. This would hopefully ease the management burden on ActiveDirectory, Sql Server and Operations teams as there would be no more password management. We've not actually been able to implement this in practice yet. I am coming from a development background, so I'm curious as to how many ways this approach could go wrong? Can we really get rid of domain level service accounts with this direction? I'd appreciate any thoughts from anyone who has taken this path! Thanks! Zach

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• Apache - Reverse Proxy and HTTP 302 status messsage

  - by Rob

  My team is trying to setup an Apache reverse proxy from a customer's site into one of our web applications. http://www.example.com/app1/some-path maps to http://internal1.example.com/some-path Inside our application we use struts and have redirect = true set on certain actions in order to provide certain functionality. The 302 status messages from these re-directs cause the user to break out of the proxy resulting in an error page for the end user. HTTP/1.1 302 Found Location: http://internal.example.com/some-path/redirect Is there any way to setup the reverse proxy in apache so that the redirects work correctly? http://www.example.com/app1/some-path/redirect

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• XML over HTTP with JMS and Spring

  - by Will Sumekar

  I have a legacy HTTP server where I need to send an XML file over HTTP request (POST) using Java (not browser) and the server will respond with another XML in its HTTP response. It is similar to Web Service but there's no WSDL and I have to follow the existing XML structure to construct my XML to be sent. I have done a research and found an example that matches my requirement here. The example uses HttpClient from Apache Commons. (There are also other examples I found but they use java.net networking package (like URLConnection) which is tedious so I don't want to use them). But it's also my requirement to use Spring and JMS. I know from Spring's reference that it's possible to combine HttpClient, JMS and Spring. My question is, how? Note that it's NOT in my requirement to use HttpClient. If you have a better suggestion, I'm welcome. Appreciate it. For your reference, here's the XML-over-HTTP example I've been talking about: /* * $Header: * $Revision$ * $Date$ * ==================================================================== * * Copyright 2002-2004 The Apache Software Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. * * [Additional notices, if required by prior licensing conditions] * */ import java.io.File; import java.io.FileInputStream; import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.methods.InputStreamRequestEntity; import org.apache.commons.httpclient.methods.PostMethod; /** * * This is a sample application that demonstrates * how to use the Jakarta HttpClient API. * * This application sends an XML document * to a remote web server using HTTP POST * * @author Sean C. Sullivan * @author Ortwin Glück * @author Oleg Kalnichevski */ public class PostXML { /** * * Usage: * java PostXML http://mywebserver:80/ c:\foo.xml * * @param args command line arguments * Argument 0 is a URL to a web server * Argument 1 is a local filename * */ public static void main(String[] args) throws Exception { if (args.length != 2) { System.out.println( "Usage: java -classpath <classpath> [-Dorg.apache.commons."+ "logging.simplelog.defaultlog=<loglevel>]" + " PostXML <url> <filename>]"); System.out.println("<classpath> - must contain the "+ "commons-httpclient.jar and commons-logging.jar"); System.out.println("<loglevel> - one of error, "+ "warn, info, debug, trace"); System.out.println("<url> - the URL to post the file to"); System.out.println("<filename> - file to post to the URL"); System.out.println(); System.exit(1); } // Get target URL String strURL = args[0]; // Get file to be posted String strXMLFilename = args[1]; File input = new File(strXMLFilename); // Prepare HTTP post PostMethod post = new PostMethod(strURL); // Request content will be retrieved directly // from the input stream // Per default, the request content needs to be buffered // in order to determine its length. // Request body buffering can be avoided when // content length is explicitly specified post.setRequestEntity(new InputStreamRequestEntity( new FileInputStream(input), input.length())); // Specify content type and encoding // If content encoding is not explicitly specified // ISO-8859-1 is assumed post.setRequestHeader( "Content-type", "text/xml; charset=ISO-8859-1"); // Get HTTP client HttpClient httpclient = new HttpClient(); // Execute request try { int result = httpclient.executeMethod(post); // Display status code System.out.println("Response status code: " + result); // Display response System.out.println("Response body: "); System.out.println(post.getResponseBodyAsString()); } finally { // Release current connection to the connection pool // once you are done post.releaseConnection(); } } }

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• How to handle "100 continue" HTTP message ?

  - by Stephane

  Hello, I'm writing a simplistic HTTP server that will accept PUT requests mostly from cURL as client and I'm having a bit of an issue with handling the "Expect: 100-continue" header. As I understand it, the server is supposed to read the header, send back a "HTTP/1.1 100 Continue" response on the connection, read the stream up to the value on "Content-Length" and then send back the real response code (Usually "HTTP/1.1 200 OK" but any other valid HTTP answer should do). Well, that's exactly what my server does. The problem is that, apparently, if I send a "100 Continue" answer, cURL fails to report any subsequent HTTP error code and assumes the upload was a success. For instance, if the upload is rejected due to the nature of the content (there is a basic data check happening), I want the calling client to detect the problem and act accordingly. Am I missing something obvious ? Thanks

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• Calling a WCF service from another WCF service

  - by ultraman69

  Hi ! I have a WCF service hosted on a windows service on my Server1. It also has IIS on this machine. I call the service from a web app and it works fine. But within this service, I have to call another WCF sevice (also hosted on a windows service) located on Server2. The security credentials are set to "Message" and "Username". I have an error like "SOAP protcol negociation failed". It's a problem with my server certificate public key that doesn't seem to be recognise. However, if I call the service on the Server2 from Server1 in a console app, it works fine. I followed this tutorial to set up my certificates : http://www.codeproject.com/KB/WCF/wcf_certificates.aspx Here's the config file from my service on Server1 that tries to call the second one : <endpoint address="" binding="wsHttpBinding" contract="Microsoft.ServiceModel.Samples.ITraitement" /> <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" /> </service> </services> <client> <endpoint address="http://Server2:8000/servicemodelsamples/service" behaviorConfiguration="myClientBehavior" binding="wsHttpBinding" bindingConfiguration="MybindingCon" contract="Microsoft.ServiceModel.Samples.ICalculator" name=""> <identity> <dns value="ODWCertificatServeur" /> </identity> </endpoint> </client> <bindings> <wsHttpBinding> <binding name="MybindingCon"> <security mode="Message"> <message clientCredentialType="UserName" /> </security> </binding> </wsHttpBinding> </bindings> <behaviors> <serviceBehaviors> <behavior name="ServiceTraitementBehavior"> <serviceMetadata httpGetEnabled="True"/> <serviceDebug includeExceptionDetailInFaults="True" /> </behavior> </serviceBehaviors> <endpointBehaviors> <behavior name="myClientBehavior"> <clientCredentials> <clientCertificate findValue="MachineServiceTraitement" x509FindType="FindBySubjectName" storeLocation="LocalMachine" storeName="My" /> <serviceCertificate> <authentication certificateValidationMode="ChainTrust" revocationMode="NoCheck"/> </serviceCertificate> </clientCredentials> </behavior> </endpointBehaviors> </behaviors> And here's the config file from the web app that calls the service on Server1 : <system.serviceModel> <bindings> <wsHttpBinding> <binding name="WSHttpBinding_ITraitement" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" bypassProxyOnLocal="false" transactionFlow="false" hostNameComparisonMode="StrongWildcard" maxBufferPoolSize="524288" maxReceivedMessageSize="65536" messageEncoding="Text" textEncoding="utf-8" useDefaultWebProxy="true" allowCookies="false"> <readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" maxBytesPerRead="4096" maxNameTableCharCount="16384" /> <reliableSession ordered="true" inactivityTimeout="00:10:00" enabled="false" /> <security mode="Message"> <transport clientCredentialType="Windows" proxyCredentialType="None" realm="" /> <message clientCredentialType="Windows" negotiateServiceCredential="true" algorithmSuite="Default" establishSecurityContext="true" /> </security> </binding> </wsHttpBinding> </bindings> <client> <endpoint address="http://localhost:8020/ServiceTraitementPC" binding="wsHttpBinding" bindingConfiguration="WSHttpBinding_ITraitement" contract="ITraitement" name="WSHttpBinding_ITraitement"> </endpoint> </client> Any idea why it works if if I call it in a console app and not from my service ? Maybe it has something to do with the certificateValidationMode="ChainTrust" ?

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