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• Server overloaded: DBCP issue on Mysql.

  - by taras

  Hi, I have 2 setups tomcat5.5.20 on Redhat and mysql 4.1.22 on another Redhat server. Recently i started getting the repeating error(each seconds) in catalina.out: DBCP object created 2010-12-22 13:33:12 by the following code was never closed: java.lang.Exception at org.apache.tomcat.dbcp.dbcp.AbandonedTrace.init(AbandonedTrace.java:96) at org.apache.tomcat.dbcp.dbcp.AbandonedTrace.(AbandonedTrace.java:79) at org.apache.tomcat.dbcp.dbcp.DelegatingResultSet.(DelegatingResultSet.java:71) at org.apache.tomcat.dbcp.dbcp.DelegatingResultSet.wrapResultSet(DelegatingResultSet.java:80) at org.apache.tomcat.dbcp.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:92) at org.apache.jsp.external_005fpage.signup_jsp._jspService(signup_jsp.java:1185) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:334) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:199) at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:282) at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:767) at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:697) at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:889) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) at java.lang.Thread.run(Thread.java:595) i have to restart tomcat once a day when server load reaches 80-90%. Also catalina.out file is growing too fast which every few hours need to clear the logs. My datasource config: <bean id="myDataSource" class="org.apache.tomcat.dbcp.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName"> <value>com.mysql.jdbc.Driver</value> </property> jdbc:mysql://XXX/XXX?autoReconnect=true 20 20 <property name="maxIdle"> <value>50</value> </property> <property name="maxActive"> <value>50</value> </property> <property name="removeAbandoned"> <value>false</value> </property> <property name="removeAbandonedTimeout"> <value>2400</value> </property> <property name="username"> <value>XXX</value> </property> <property name="password"> <value>XXX</value> </property> </bean> Any idea what can be the issue ? Thanks for any direction.

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• Invalid keystore format with SSL in Tomcat 6

  - by strauberry

  I'm trying to setup SSL in my local Tomcat 6 installation. For this, I followed the official How-To doing the following: $JAVA_HOME/bin/keytool -genkey -v -keyalg RSA -alias tomcat -keypass changeit -storepass changeit $JAVA_HOME/bin/keytool -export -alias tomcat -storepass changeit -file /root/server.crt Then changing the $CATALINA_BASE/conf/server.xml, in-commenting this: <Connector port="8443" protocol="HTTP/1.1" SSLEnabled="true" maxThreads="150" scheme="https" secure="true" clientAuth="false" sslProtocol="TLS" keystoreFile="/root/.keystore" keystorePass="changeit" /> After starting Tomcat, I get this Exception: INFO: Initializing Coyote HTTP/1.1 on http-8080 30.06.2011 10:15:24 org.apache.tomcat.util.net.jsse.JSSESocketFactory getStore SCHWERWIEGEND: Failed to load keystore type JKS with path /root/.keystore due to Invalid keystore format java.io.IOException: Invalid keystore format at sun.security.provider.JavaKeyStore.engineLoad(JavaKeyStore.java:633) at sun.security.provider.JavaKeyStore$JKS.engineLoad(JavaKeyStore.java:38) at java.security.KeyStore.load(KeyStore.java:1185) When I look into the keystore with keytool -list I get root@host:~# $JAVA_HOME/bin/keytool -list Enter key store password: changeit Key store type: gkr Key store provider: GNU-CRYPTO Key store contains 1 entry(ies) Alias name: tomcat Creation timestamp: Donnerstag, 30. Juni 2011 - 10:13:40 MESZ Entry type: key-entry Certificate fingerprint (MD5): 6A:B9:...C:89:1C Obviously, the keystore types are different. How can I change the type and will this fix my problem? Thank you!

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• weblogic plug-in apache http server location directive question

  - by user39510

  We are using Weblogic Portal and Apache 2.x http server with the weblogic plug-in for apache for load-balancing. We have an application that right now can only be accessed from one of our managed servers. What I would like to do is use the Location directive to direct all requests for that page to the one managed server and I can't get it to work. The context that the portal tries to forward to is something like /MyWebApp?portalusername= (where equals a legitimate user. For example /MyWebApp?portalusername=joesmith. All other applications and the plug-in is load balancing as expected because every now and then you'll get sent to the second managed server for this particular application and its not deployed. I tried various things in the Apache http.conf like the following but can't seem to get it work. Any suggestions? The following is a snippet of the httpd.conf. Its a standard out of the box httpd.conf file with the weblogic plugin configuration. <Location /MyWebApp> SetHandler weblogic-handler WebLogicCluster myserver:7011 </Location> <Location /?> SetHandler weblogic-handler WebLogicCluster myserver:7011, myserver2:7012 </Location>

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• Get-ChildItem fails to connect in SQLSERVER drive

  - by Norman Kelm

  I'm having some trouble with the SQLSERVER PSDRIVE. See error below. I only have named instances on my PC, both 2005 and 2008 Added the SQL snapins. The PC is named YODA The SQL instance is SQL2008 Navigate to the Databases folder for YODA\SQL2008. You can see the path below. dir -name spits out a connection error trying to connect to YODASQL2008\DEFAULT when it should be trying to connect to YODA\SQL2008. Then it outputs the db name which is Twitter in this case. Is there something missing from my config? Output: PS SQLSERVER:\SQL\YODA\SQL2008\Databases dir -name Get-ChildItem : SQL Server PowerShell provider error: Could not connect to 'YODASQL2008\DEFAULT'. [Failed to connect to server YODASQL2008. -- A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)] At line:1 char:4 + dir <<<< -name + CategoryInfo : OpenError: (SQLSERVER:\SQL\...tabases\Twitter:SqlPath) [Get-ChildItem], GenericProviderException + FullyQualifiedErrorId : ConnectFailed,Microsoft.PowerShell.Commands.GetChildItemCommand Twitter Repeats with error for every database. Thanks, Norman

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• linked-server sql - access

  - by user22121

  Hi, I have a SQL server 2000 and an Access database mdb connected by Linked server on the other hand I have a program in c # that updates data in a SQL table (Users) based data base access. When running my program returns the following error message: OLE DB provider 'Microsoft.Jet.OLEDB.4.0' reported an error. Authentication failed. [OLE / DB provider returned message: Can not start the application. Missing information file of the working group or is opened exclusively by another user.] OLE DB error trace [OLE / DB Provider 'Microsoft.Jet.OLEDB.4.0' IDBInitialize:: Initialize returned 0x80040E4D: Authentication failed.] . Both the program, the sql server and database access are on a remote server. On the local server the problem was solved by running the following: "sp_addlinkedsrvlogin 'ActSC', 'false', NULL, 'admin', NULL". Try on the remote server the next, without result: "sp_addlinkedsrvlogin 'ActSC', true, null, 'user', 'pass'". On the remote server and from the "Query Analyzer" sql update statements are working correctly. Can you think of what may be the problem? Thanks!

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• Caused by: java.net.SocketException: Software caused connection abort: socket write error

  - by jrishere

  I running JSP on Oracle 11g, Weblogic 10.3.4. I have 2 managed server and a oracle admin server installed. I am encountering an error where intermittently the log file of the 2 managed server and admin server will show java.net.SocketException: Software caused connection abort: socket write error. The application can run for 2 days without showing this error or it can show up a few times in a day. The server load are similar everday. When this error is been encountered, the server will just stop accepting connections and will not be able to access the application. Even if I try to access the application through localhost, I will not be able to access the JSP pages and a 503 http status is shown but then I am able to access the static HTML page. I will not be able to access the Oracle 11g Weblogic admin console page. When I take a look at admin server log, it shows that the managed servers are disconnected from the admin server and vice versa. Magically the application is able to recover by its own and the application is able to access again or I need to restart the server as restarting the service of the application does not work. The FTP connections that the application is connected to are closed as well. I am able to ping to telnet to the server port. The event log doesn't seem to be leaving any information. We did run wireshark to see the packet traffic and it seems that the application port is sending a RST, ACK packet to the load balancer. Any kind help will greatly be appreciated. Should you need more info, feel free to ask me. Thanks in advance.

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• Why should one have a secondary DNS server?

  - by Sam Levin

  I'm very confused. I basically understand how DNS works. Here's an example that helps illustrate what I'm having trouble understanding. Right now, I run a small web-server. I use my provider's DNS manager, so I don't have a DNS server hosted on the machine. Let's say for a second, that I don't use my host's DNS, and I decide to set up a DNS server on my server. Hypothetical scenario: my server (entire) server goes down - DNS included. Why do I need backup DNS? If the server is down, who cares if the DNS server is down too, considering that even if I had DNS up (it wasn't on the crashed server), it wouldn't be able to forward requests anyway since the server would be down? Is the point of having secondary DNS, to be able to change the IP addresses that your DNS server points to, so if your webserver was down, you could redirect traffic to a backup? How would you switch to the secondary provider, in the event that your main DNS provider becomes unavailable? Is a backup DNS system basically up all the time? How is it configured? Is it just an exact clone of the DNS server you would have on your server? Do they run simultaneously? Hopefully someone can see what I'm hung up on, and provide some guidance. Thanks

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• IP address from a MAC address

  - by acermate433s

  I'm writing a class to integrate a POS card reader device to our software. In order for it to work I must know what IP it's using. We were given some sample code by the service provider and the way they do this is they open a website (http://www.ebizchargeemv.com/getip.php?mac={MAC address of device}) and it would return the IP address of the device. The device I'm using is a POSLynx220 Mini. It has an ethernet port that connects to the internet to communicate with the service provider. I send TCP data to it and the device then controls a PIN pad that prompts a client to swipe his card. It's probably a mini computer that communicates with the service provider and uses the PIN pad as its input device. Just being curious but how did they implement this? Are they implementing it using ARP? I'm planning on not using their website to determine the IP of the device. I've seen some code that uses ARP but using executing ARP in one of the PC didn't detect the POS device.

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• Microsoft , Hotmail , Live , MSN, Outlook , unable to send emails and no support received from microsoft in 3 months we are trying asking for that

  - by bombastic

  Ok this is somenthing unbelievable, we have a website, users sign up and receives links to confirm they signed up BUT: 1 - microsoft blocked our IP (no one with microsoft email account can receive our emails) 2 - we tryed contacting microsoft submitting the detailed form about our problem 3 - we posted 3 times in their community about our problem 4 - we tweeted they about our problem 5 - we tryed finding out some telephone support number (the few there are arent' helping at all) Do you think we solved? the answer is NO :/ We still unable to send emails from our IP to microsoft email accounts, since 3 months back. Our emails are perfect we checked all the email headers following microsoft guidelines but it seems not enought, checking our IP reputation it seems everythings ok, indeed we can send email easly to any other provider , gmail, yahoo, etc Do you know any other way to try to get help ? FULL STACK ERROR FROM MICROSOFT: host mx1.hotmail.com[65.55.37.120] said: 550 SC-001 (COL0-MC4-F28) Unfortunately, messages from 94.23.***** weren't sent. Please contact your Internet service provider since part of their network is on our block list. You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors. (in reply to MAIL FROM command) We are running a Virtual Private Server , so no HOSTING SITE, using NGINX too

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• Unable to send mail to hotmail from rackspace cloud

  - by Jo Erlang

  I'm having issue sending mail from postfix on a rackspace cloud instance for my domain. Hotmail says "550 SC-001 (SNT0-MC4-F35) Unfortunately, messages from 198.101.x.x weren't sent. Please contact your Internet service provider since part of their network is on our block list. " Here is the mail log Sep 20 08:02:59 mydomain postfix/smtpd[1810]: disconnect from localhost[127.0.0.1] Sep 20 08:02:59 mydomain postfix/smtp[1814]: 59CFF4B191: to=<[email protected]>, relay=mx3.hotmail.com[65.55.92.184]:25, delay=0.19, delays=0.1/0.01/0.06/0.01, dsn=5.0.0, status=bounced (host mx3.hotmail.com[65.55.92.184] said: 550 SC-001 (SNT0-MC4-F35) Unfortunately, messages from 198.101.x.x weren't sent. Please contact your Internet service provider since part of their network is on our block list. You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors. (in reply to MAIL FROM command)) Sep 20 08:02:59 mydomain postfix/smtp[1814]: 59CFF4B191: lost connection with mx3.hotmail.com[65.55.92.184] while sending RCPT TO I have implemented rDNS, SPF and DKIM they all are looking fine. I have checked my IP and domain, on most of the spam black lists and it is listed as ok on those, (not listed as spamming IP) What should I try next?

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• Domain names timing out after VPS IP change

  - by Fourjays

  I rent a CentOS 5 VPS from a UK-based provider, with DirectAdmin also installed. On Thursday night, they carried out planned maintenance to changed the two IPs I had been assigned to two new ones. On Friday, after the change had taken place, I updated my domain name records to reflect the IP change. Since then, all of the domains pointing to the VPS are timing out. Additionally, DirectAdmin was also not responding, but was was resolved by running the ipswap scripts as found in the DirectAdmin knowledgebase. It did not fix my domains though. I have contacted the VPS provider but I have been waiting for a response for some time now. I have checked again, and again, and all the IPs referenced in DirectAdmin are correct. If I go to the server IP in my browser it responds with "Apache is functioning normally." Email accounts on the server are also functioning correctly. But if I access a domain itself, it times out. Running a ping and a DNS look-up, I can confirm the nameserver IPs are correct. If I run a trace route it reaches an IP that is similar to my VPS IPs (last 2 blocks are different) before timing out (it never shows my server IP). I am relatively new to VPS management so don't have a vast wealth of experience with troubleshooting problems on them. I have checked all of the httpd configuration files, which don't seem to have any IP references in them at all. Looking in the Apache error logs, what errors there are do not coincide with times I have tried to access the site. Is this issue at my provider's end? Is there anything else I can check or test, to rule out post-IP-change problems with my server configuration? It was all running fine prior to the IP change.

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• switching dns server providers

  - by Yoav Aner

  I'm trying to wrap my head around something that I thought I kinda understood, but clearly there's some piece missing. We're currently using Zerigo as our primary dns, with slave dns running on linode. This works quite well. However, recent DDOS attacks on zerigo meant that whilst dns queries were still resolved, we were unable to make any dns changes. Since we rely on dns changes on our own infrastructure, I'm looking to improve this somehow. I'd rather not ditch zerigo completely, and realise that this or similar problems can happen with ANY primary dns hosting provider. It might not be DDOS, but a bug on their server, or something that means we can no longer issue updates. For this I want to have some fallback option: a completely independent (primary) dns provider (maybe AWS), which we will keep in-sync manually. We will switch-over to it when there's a problem. This brings me to my question: How do I make sure we can switch those providers quickly enough? specifically, on our registrar, there's a list of name servers, but no settings like TTL etc. How do dns clients know to use the newly updated name server records? Is this configured in the SOA? However, the SOA itself is hosted with the dns provider and we might not be able to update it... This is not a question about a one-time move, which can be planned and scheduled and tested, but rather to be able to do so when things are half-broken.

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• How can you connect to a SQL Server not on your domain?

  - by scotty2012

  I have a test machine that's not allowed on our domain because we are testing corporately unsupported applications (SQL 2008 and Server 2008). I want to use management studio to connect to the SQL2008 server but can't get it working. I have authentication set to mixed-mode, I've checked 'allow remote connections to this server', but when I try to access it, I get the error A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) (Microsoft SQL Server, Error: 53) Since it says the provider is Named Pipes, I enabled Named Pipes on the server, but still no dice. I've tried connecting to the system name, the IP, the system name\instance and IP\instance, all to no avail. Is what I'm trying to do not possible? Edit: Well, through some basic troubleshooting, I've found that I can't ping the server from my client computer, but I can ping the client computer from the server? They are both plugged into the same switch, and are sitting next to each other. The windows firewall on the server is turned on, is there some specific settings I need to enable? DAH! So it was the firewall blocking me. How can I enable the firewall and still connect?

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• Exchange 2003 - how to route ALL mail (including internal) via an external SMTP gateway? (Or, domain

  - by Scandalon

  Short version: Is there a way to have Exchange route all email, including internal AD users that would normally be routed directly, through an external gateway? (SMTP, probably a "Smart Host" in exchange nomenclature.) Longer version: I'm not an email expert/admin/orevencompetent. Inherited an exchange 2003 server, migrating to web-based SaaS provider. To add to the fun, we're also (forced by deadlines) transitioning domains. What we (my boss) wants is any email sent to the new domain to have a copy sent to both domains. Getting mail sent to the new domain/provider to then be copied/forwarded to our old domain/exchange is easy. But we want mail sent from the old domain to the old domain to get sent to the new domain as well. However: If we route all outgoing exchange mail through the new provider gateway, w/ the new domain forwarding to the old, we'd get an email loop. The "solution" desired is for an exchange user that sends to another exchange user to still be sent via the external gateway, which would in turn be sent to the new domain, and copied/forwarded back to the old domain. Is it possible? A bit of a strange request I'm sure. And I expect that what we're attempting to do is DoingItWrong(tm). Any better ideas?

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• Upgrading MySQL Connector/Net

  - by Todd Grover

  I am trying to publish a website with our hosting provider. I am getting error due to the fact that they only allow a medium trust and the MySQL Connector/Net that I am using requires reflection to work. Unfortunately, reflection is not allowed in a medium trust. After some research I found out that the newest version of the MySQL Connector/Net may solve this problem. Connector/Net 6.6 includes enhancements to partial trust support to allow hosting services to deploy applications without installing the Connector/Net library in the GAC. I am thinking that will solve my problem. So, I unistalled MySQL Connector/Net 6.4.4 and I installed MySQL Connector/Net 6.6.4. When I run the application in Visual Studio 2010 I get the error: ProviderIncompatibleException was unhandled by user code The message is An error occurred while getting provider information from the database. This can be caused by Entity Framework using an incorrect connection string. Check the inner exceptions for details and ensure that the connection string is correct. InnerException is The provider did not return a ProviderManifestToken string. Everything works fine when I have Connector/Net 6.4.4 installed. I can access the database and perform Read/Write/Delete action against it. I have a reference to the following in the project: MySql.Data MySql.Data.Entity MySql.Web My connection string in Web.config <connectionStrings> <add name="AESSmartEntities" connectionString="server=ec2-xxx-xx-xxx-xx.compute-1.amazonaws.com; user=root; database=nunya; port=3306; password=xxxxxxx;" providerName="MySql.Data.MySqlClient" /> </connectionStrings> What might I be doing wrong? Do I need any additional setting(s) to work with version 6.6.4 that wasn't required in the older version 6.4.4?

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• Time sync fails on Hyper-V VM, but succeeds when I log in as a domain user

  - by Richard Beier

  We have a Windows Server 2003 SP2 VM running on Hyper-V (Server 2008 R2 host). The VM has Hyper-V time synchronization enabled. I noticed that the time on the VM was fast by around 25 minutes. I saw the following in the event log: The time provider NtpClient is configured to acquire time from one or more time sources, however none of the sources are currently accessible. No attempt to contact a source will be made for 15 minutes. NtpClient has no source of accurate time. The time provider NtpClient cannot reach or is currently receiving invalid time data from ourdc.ourdomain.local (ntp.d|192.168.2.18:123-192.168.2.2:123). Time Provider NtpClient: No valid response has been received from domain controller ourdc.ourdomain.local after 8 attempts to contact it. This domain controller will be discarded as a time source and NtpClient will attempt to discover a new domain controller from which to synchronize. I had been logged in as a local user. (We have an old app that runs on this VM - it requires a user to be logged in at all times, and we use a non-domain user account for this.) When I logged in as a domain user, the clock almost immediately corrected itself. Running "w32tm /monitor" and "net time" as the domain user showed no errors, and indicated that our domain controller was the time source. Does anyone know what might cause this, and why logging in under a domain account fixes the problem? I'm wondering if the time will start to drift again. Thanks for your help, Richard

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• What are the "least legally restrictive" well-connected countries to host a website?

  - by monster

  NB: I am aware that this question is subjective, as it can't be defined precisely, but the answers should still be "objective": Country name, and what makes it legally safer. EDIT: A) I am located in Germany. B) I am NOT looking for a place to offer pirated Software/Media; no binary on my site, except "profile icon". Hello! I want to start publishing "social" websites / apps, and I found that the biggest initial problem is this: Any and all services I have to depend on, including Domain Registrar, DNS provider, Server/Cloud Provider, CDN Provider, ... even my Insurance Agent, basically say that they can "throw me out" if my website contains "unacceptable" content. It's always phrased in such a way that basically anything can fall under "unacceptable" content. This is very frustrating because you just can't fully control what users post on your "social website", and you so you basically have to expect when you go to bed that your site is going to be gone when you wake up. I've heard a lot of horror stories about this. Since the "Terms Of Service" of all those providers are foremost to protect themselves from legal actions, and those legal actions depend on the country where they are located, it seems like the first step is to find which country is the "safest" to locate a site. "Safest" being defined as, where I am least likely to get in legal trouble with the local authorities, if some user posts something unacceptable in some way. The main restriction is that it should also be a "well-connected" country, because there is no point in being "safe", if my users can't get to my sites, or the latency is unacceptable. I am targeting the English speaking people in any country as my future users.

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• Connection between Asp.Net and Oracle 10g Express Edition

  - by l3gion

  Hello, I'm struggling to find a way to connect my Asp .Net + C# application with my Oracle 10g Express Edition. Here's my scenario, I'm at Mac OS and I have 2 Virtual machines, one for Win 7 (VS 2010 app) and another with a Parallels Virtual Appliance with Oracle 10g Express Edition 1.1. Which provider (Oledb, ODP.NET, etc..) should I use? How to make the connection to the server in C#? Right now I have this: <appSettings> <add key="conn" value="Data Source=10.211.55.11;Persist Security Info=True;User ID=l3gion;Password=l3gion;" /> </appSettings> And at the .cs file: SqlCommand cmd = new SqlCommand("insert_thing", new SqlConnection(ConfigurationManager.AppSettings["conn"])); cmd.CommandType = CommandType.StoredProcedure; *insert_thing is a stored procedure Using this I got this error: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) I've searched for some possible solutions. Tried some, including: firewall disabled, allow remote connection at oracle express edition using this cmd line ("EXEC DBMS_XDB.SETLISTENERLOCALACCESS(FALSE);").. The error persists. Can anyone guide me into the right direction? I'm a newbie with this type of things. Thank you for your patience. regards

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• How to have LiveJournal delegate my OpenID to something else?

  - by T-Boy

  I understand that if I have full control over my domain, I can set it up so that I can delegate the task of authenticating to another OpenID service provider. The problem is, what I'd like to do is to get the LiveJournal server to pass the authentication to someone else, instead of having LJ doing it. Preferably what I'd like to do is get LiveJournal, when asked by a web site, say, "No, I don't do it anymore -- go to this address". The plan was that this address would then be in a domain I fully control, which then would pass it on to whichever service provider I choose. I don't even know if I've gotten my understanding of OpenID right, if all this shenanigans are necessary, if my question makes sense, or if it's even possible with a service provider like Livejournal. ETA: Doing a little more reading up, and examining the source for my LiveJournal user page, I note that this particular line in the file's <header> area: <link rel="openid.server" href="http://www.livejournal.com/openid/server.bml" /> I suspect that changing this will allow me to forward OpenID requests to whomever I wish, I think; so far so good. Now comes the hard part -- figuring out how to change all of that using LiveJournal's customization options, if that is at all possible (here's hoping I don't need to pay to get that functionality).

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• How to use a common library of environment variables among different languages?

  - by JDS

  We have three main languages with which we perform system tasks: Bash, Ruby, and PHP, and Perl. Four, four main languages. We use managed environment variables to provide authorization info that automated scripts need. For example, a mysql user account and password. We'd like to use one single managed file to maintain these variables. In some instances, for example, in cron, these environment variables are not available. They are made available in CLI scripts because we source the env file in everyone's profile. But something like cron doesn't do that. On the CLI, when the env file is sourced, any given script can access those variables. Bash has them directly, PHP in $_ENV, ruby in ENV, etc. We can't source the file into non-Bash scripts, because most languages implement shell commands by running them in a subshell. We considered parsing the Bash, converting to the script's lang, and running the equivalent of "exec(parsed_output)" on the resulting strings. What is a good solution to providing managed environment vars to scripts running in cron, or similar?

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• How can I have Vhosts with Lighttpd on Windows and keeping PHP through mod_cgi ?

  - by Pixelastic

  Hello, I installed Lighty on Windows 7 and managed to get it correctly serve both static and PHP files (through mod_cgi). At first I got the "No input file selected" message displayed when requesting a .php file. So, I updated the doc_root value in my php.ini to match the server.document-root defined in my Lighty config, and PHP stops complaining. Then I defined a VHost to point all foo.com requests to a specific dir. It worked well for all static files but when requesting a .php file, the mod_cgi was still picking files from the doc_root defined in php.ini, not in the directory I defined for server.document-root in my Vhost. I know its what's supposed to happen, PHP follows the config defined in php.ini. And I have to set this value in my php.ini otherwise no php is processed at all. What I don't understand is how I'm supposed to have virtual hosts with mod_cgi enabled here ? I tried adding [HOST=foo.com] section in the php.ini without any luck. I tried mod_fastcgi but could'n get it to work at all, I also tried mod_simple_host but could get it handle php. I managed to get it working by copying my PHP install to another dir (and changing the doc_root value) and adding a cgi.assign pointing to that install in my vhost. But this is a really hackish way, it means having one PHP install for each virtualhost. Note that I'm working on a development machine running Windows, this is not a production server, I just wanted to emulate the final Server config locally to test some changes. I googled a lot this problem but all I can find are people installing Lighty on windows with mod_cgi, or installing Lighty on Windows with virtual hosts, but I never found anyone who managed to get both.

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• Seeing traffic destined for other people's servers in wireshark

  - by user350325

  I rent a dedicated server from a hosting provider. I ran wireshark on my server so that I could see incoming HTTP traffic that was destined to my server. Once I ran wireshark and filtered for HTTP I noticed a load of traffic, but most of it was not for stuff that was hosted on my server and had a destination IP address that was not mine, there were various source IP addresses. My immediate reaction was to think that somebody was tunnelling their HTTP traffic through my server somehow. However when I looked closer I noticed that all of this traffic was going to hosts on the same subnet and all of these IP addresses belonged to the same hosting provider that I was using. So it appears that wireshark was intercepting traffic destined for other customers who's servers are attached to the same part of the network as mine. Now I always assumed that on a switch based network that this should not happen as the switch will only send data to the required host and not to every box attached. I assume in this case that other customers would also be able to see data going to my server. As well as potential privacy concerns, this would surely make ARP poising easy and allow others to steal IP addresses (and therefor domains and websites)? It would seem odd that a network provider would configure the network in such a way. Is there a more rational explanation here?

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• MvcExtensions – Bootstrapping

  - by kazimanzurrashid

  When you create a new ASP.NET MVC application you will find that the global.asax contains the following lines: namespace MvcApplication1 { // Note: For instructions on enabling IIS6 or IIS7 classic mode, // visit http://go.microsoft.com/?LinkId=9394801 public class MvcApplication : System.Web.HttpApplication { public static void RegisterRoutes(RouteCollection routes) { routes.IgnoreRoute("{resource}.axd/{*pathInfo}"); routes.MapRoute( "Default", // Route name "{controller}/{action}/{id}", // URL with parameters new { controller = "Home", action = "Index", id = UrlParameter.Optional } // Parameter defaults ); } protected void Application_Start() { AreaRegistration.RegisterAllAreas(); RegisterRoutes(RouteTable.Routes); } } } As the application grows, there are quite a lot of plumbing code gets into the global.asax which quickly becomes a design smell. Lets take a quick look at the code of one of the open source project that I recently visited: public static void RegisterRoutes(RouteCollection routes) { routes.IgnoreRoute("{resource}.axd/{*pathInfo}"); routes.MapRoute("Default","{controller}/{action}/{id}", new { controller = "Home", action = "Index", id = "" }); } protected override void OnApplicationStarted() { Error += OnError; EndRequest += OnEndRequest; var settings = new SparkSettings() .AddNamespace("System") .AddNamespace("System.Collections.Generic") .AddNamespace("System.Web.Mvc") .AddNamespace("System.Web.Mvc.Html") .AddNamespace("MvcContrib.FluentHtml") .AddNamespace("********") .AddNamespace("********.Web") .SetPageBaseType("ApplicationViewPage") .SetAutomaticEncoding(true); #if DEBUG settings.SetDebug(true); #endif var viewFactory = new SparkViewFactory(settings); ViewEngines.Engines.Add(viewFactory); #if !DEBUG PrecompileViews(viewFactory); #endif RegisterAllControllersIn("********.Web"); log4net.Config.XmlConfigurator.Configure(); RegisterRoutes(RouteTable.Routes); Factory.Load(new Components.WebDependencies()); ModelBinders.Binders.DefaultBinder = new Binders.GenericBinderResolver(Factory.TryGet<IModelBinder>); ValidatorConfiguration.Initialize("********"); HtmlValidationExtensions.Initialize(ValidatorConfiguration.Rules); } private void OnEndRequest(object sender, System.EventArgs e) { if (((HttpApplication)sender).Context.Handler is MvcHandler) { CreateKernel().Get<ISessionSource>().Close(); } } private void OnError(object sender, System.EventArgs e) { CreateKernel().Get<ISessionSource>().Close(); } protected override IKernel CreateKernel() { return Factory.Kernel; } private static void PrecompileViews(SparkViewFactory viewFactory) { var batch = new SparkBatchDescriptor(); batch.For<HomeController>().For<ManageController>(); viewFactory.Precompile(batch); } As you can see there are quite a few of things going on in the above code, Registering the ViewEngine, Compiling the Views, Registering the Routes/Controllers/Model Binders, Settings up Logger, Validations and as you can imagine the more it becomes complex the more things will get added in the application start. One of the goal of the MVCExtensions is to reduce the above design smell. Instead of writing all the plumbing code in the application start, it contains BootstrapperTask to register individual services. Out of the box, it contains BootstrapperTask to register Controllers, Controller Factory, Action Invoker, Action Filters, Model Binders, Model Metadata/Validation Providers, ValueProvideraFactory, ViewEngines etc and it is intelligent enough to automatically detect the above types and register into the ASP.NET MVC Framework. Other than the built-in tasks you can create your own custom task which will be automatically executed when the application starts. When the BootstrapperTasks are in action you will find the global.asax pretty much clean like the following: public class MvcApplication : UnityMvcApplication { public void ErrorLog_Filtering(object sender, ExceptionFilterEventArgs e) { Check.Argument.IsNotNull(e, "e"); HttpException exception = e.Exception.GetBaseException() as HttpException; if ((exception != null) && (exception.GetHttpCode() == (int)HttpStatusCode.NotFound)) { e.Dismiss(); } } } The above code is taken from my another open source project Shrinkr, as you can see the global.asax is longer cluttered with any plumbing code. One special thing you have noticed that it is inherited from the UnityMvcApplication rather than regular HttpApplication. There are separate version of this class for each IoC Container like NinjectMvcApplication, StructureMapMvcApplication etc. Other than executing the built-in tasks, the Shrinkr also has few custom tasks which gets executed when the application starts. For example, when the application starts, we want to ensure that the default users (which is specified in the web.config) are created. The following is the custom task that is used to create those default users: public class CreateDefaultUsers : BootstrapperTask { protected override TaskContinuation ExecuteCore(IServiceLocator serviceLocator) { IUserRepository userRepository = serviceLocator.GetInstance<IUserRepository>(); IUnitOfWork unitOfWork = serviceLocator.GetInstance<IUnitOfWork>(); IEnumerable<User> users = serviceLocator.GetInstance<Settings>().DefaultUsers; bool shouldCommit = false; foreach (User user in users) { if (userRepository.GetByName(user.Name) == null) { user.AllowApiAccess(ApiSetting.InfiniteLimit); userRepository.Add(user); shouldCommit = true; } } if (shouldCommit) { unitOfWork.Commit(); } return TaskContinuation.Continue; } } There are several other Tasks in the Shrinkr that we are also using which you will find in that project. To create a custom bootstrapping task you have create a new class which either implements the IBootstrapperTask interface or inherits from the abstract BootstrapperTask class, I would recommend to start with the BootstrapperTask as it already has the required code that you have to write in case if you choose the IBootstrapperTask interface. As you can see in the above code we are overriding the ExecuteCore to create the default users, the MVCExtensions is responsible for populating the  ServiceLocator prior calling this method and in this method we are using the service locator to get the dependencies that are required to create the users (I will cover the custom dependencies registration in the next post). Once the users are created, we are returning a special enum, TaskContinuation as the return value, the TaskContinuation can have three values Continue (default), Skip and Break. The reason behind of having this enum is, in some  special cases you might want to skip the next task in the chain or break the complete chain depending upon the currently running task, in those cases you will use the other two values instead of the Continue. The last thing I want to cover in the bootstrapping task is the Order. By default all the built-in tasks as well as newly created task order is set to the DefaultOrder(a static property), in some special cases you might want to execute it before/after all the other tasks, in those cases you will assign the Order in the Task constructor. For Example, in Shrinkr, we want to run few background services when the all the tasks are executed, so we assigned the order as DefaultOrder + 1. Here is the code of that Task: public class ConfigureBackgroundServices : BootstrapperTask { private IEnumerable<IBackgroundService> backgroundServices; public ConfigureBackgroundServices() { Order = DefaultOrder + 1; } protected override TaskContinuation ExecuteCore(IServiceLocator serviceLocator) { backgroundServices = serviceLocator.GetAllInstances<IBackgroundService>().ToList(); backgroundServices.Each(service => service.Start()); return TaskContinuation.Continue; } protected override void DisposeCore() { backgroundServices.Each(service => service.Stop()); } } That’s it for today, in the next post I will cover the custom service registration, so stay tuned.

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• Teamviewer 8 on Kubuntu 13.04 won't start

  - by kirokko

  The problem is I can't run Teamviewer on Kubuntu. That problem exists for me since 12.10 and I as I remember, it was with the 7th version either. I download official package from officical web site, for 64 bit system. Install it, then install all dependencies (apt-get install -f). When I start it, window with License agreement appears and I can't agree with it, because I don't see anything, even mouse cursor is invisible on window area. Here's the trace of teamviewer from console: kirokko ~ $ teamviewer Init... Checking setup... Launching TeamViewer... fixme:service:scmdatabase_autostart_services Auto-start service L"MountMgr" failed to start: 2 fixme:service:scmdatabase_autostart_services Auto-start service L"PlugPlay" failed to start: 2 fixme:actctx:parse_depend_manifests Could not find dependent assembly L"Microsoft.Windows.Common-Controls" (6.0.0.0) fixme:heap:HeapSetInformation (nil) 1 (nil) 0 fixme:ole:CoInitializeSecurity ((nil),-1,(nil),(nil),0,3,(nil),0,(nil)) - stub! fixme:heap:HeapSetInformation (nil) 1 (nil) 0 fixme:process:SetProcessShutdownParameters (00000100, 00000000): partial stub. fixme:resource:GetGuiResources (0xffffffff,0): stub fixme:win:EnumDisplayDevicesW ((null),0,0x32dc60,0x00000000), stub! fixme:win:EnumDisplayDevicesW (L"\\\\.\\DISPLAY1",0,0x32d918,0x00000000), stub! fixme:win:EnumDisplayDevicesW ((null),1,0x32dc60,0x00000000), stub! fixme:winhttp:WinHttpDetectAutoProxyConfigUrl discovery via DHCP not supported fixme:msg:ChangeWindowMessageFilter 233 00000001 fixme:msg:ChangeWindowMessageFilter 4a 00000001 fixme:msg:ChangeWindowMessageFilter 407 00000001 fixme:msg:ChangeWindowMessageFilter 49 00000001 fixme:bitmap:CreateBitmapIndirect planes = 0 fixme:bitmap:CreateBitmapIndirect planes = 0 fixme:wtsapi:WTSRegisterSessionNotification Stub 0x1005a 0x00000000 err:ole:marshal_object couldn't get IPSFactory buffer for interface {00000131-0000-0000-c000-000000000046} err:ole:marshal_object couldn't get IPSFactory buffer for interface {00000122-0000-0000-c000-000000000046} err:ole:StdMarshalImpl_MarshalInterface Failed to create ifstub, hres=0x80040155 err:ole:CoMarshalInterface Failed to marshal the interface {00000122-0000-0000-c000-000000000046}, 80040155 fixme:msg:ChangeWindowMessageFilter c04f 00000001 fixme:richedit:ME_HandleMessage EM_SETFONTSIZE: stub fixme:dbghelp:elf_search_auxv can't find symbol in module wine: Unhandled page fault on read access to 0xffffffff at address 0xf7585c5a (thread 0009), starting debugger... err:seh:start_debugger Couldn't start debugger ("winedbg --auto 8 5552") (2) Read the Wine Developers Guide on how to set up winedbg or another debugger What's the problem? The same problem was when I had Ubuntu 12.10 installed, then the same problem was when I installed Mint 14 KDE (Kubuntu 12.10). Now I moved to Kubuntu 13.04 and the problem still exists.

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• Lancement de la plateforme Microsoft Online Services : testez-la et venez en discuter avec Microsoft

  [IMG]http://www.lgmorand.com/blog/image.axd?picture=2010%2f3%2fhome_header-bg+-+Copie.jpg[/IMG] Après le lancement de sa plateforme Azure en début d'année, Microsoft a lancé début mars sa nouvelle plateforme MOS, pour Microsoft Office Services, une plateforme d'outils de communication externalisés mais restants au service de l'entreprise. Il s'agit un service destiné aux professionnels uniquement qui permet de confier certaines fonctions à Microsoft : messagerie collaborative (Exchange), travail collaboratif (Sharepoint), communications temps réel (Office Communications, Live Meeting, Communicator) et bureautique (Office).

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