CommunicationObjectFaultedException Occurring Only In Test Environment?
Aug 20, 2010
I have a WCF service than in my development and production environments works without any trouble but in my test environment it will occasionally throw a CommunicationObjectFaultedException. This has been very difficult to track down but it seems to happen only after going a long time with out calling it.client is a web applictaion running on two load balanced servers, the WCF service is hosted in IIS and running on two load balanced servers.There is no difference in the WCF configuration between the three environments so I believe there must be something different in the way the servers are set up. What are some things I can ask my server admins to check? (I don't have proper access to these servers to check stuff myself).
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Nov 17, 2010
I'm currently developing a website using VS2010 Express/SQL Express 2008, and am using the applications development server to test.
I have created an access layer which effectively takes all my cachable data and creates datasets.
I've also created a system wheras for each dataset, For each dataset I also create a token cached object (a string), which is set to expire before the dataset. The theory behind this is that when my token expires and is removed from cache, it calls a routine to rebuild the dataset, and re-caches the new result, then creates a new token. Think of it as a poor mans SQL dependency.
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Jul 21, 2010
I am using the following code in my Global.asax.cs file:
public static readonly IMyCommunicationService GlobalCommunicationChannel =
new ChannelFactory<IMyCommunicationService>("NetTcpBinding_IMyCommunicationService").CreateChannel();
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I get no more information than that. After some minutes it is working again. Don't know why. I think the connection is re-established or something like that.
What causes this error? Is there a way to avoid this error in future without adding a try/catch and a retry everywhere?
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Mar 19, 2010
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In the Windows event log, the following error can be seen:
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Application ID: DefaultDomain
Process ID: 3972
Exception: System.Runtime.Serialization.SerializationException
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StackTrace: at System.Runtime.Serialization.Formatters.Binary.BinaryAssemblyInfo.GetAssembly()
at System.Runtime.Serialization.Formatters.Binary.ObjectReader.GetType(BinaryAssemblyInfo assemblyInfo, String name)
at System.Runtime.Serialization.Formatters.Binary.ObjectMap..ctor(String objectName, String[] memberNames, BinaryTypeEnum[] binaryTypeEnumA, Object[] typeInformationA, Int32[] memberAssemIds, ObjectReader objectReader, Int32 objectId, BinaryAssemblyInfo assemblyInfo,
SizedArray assemIdToAssemblyTable)
[code]....
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Mar 29, 2010
I have a requirement where I want to change the text of the text fields when ever a new I tem is selected from the list
my code at Interface Layer is as follows
[Code]....
Code at BLL is as follows
[Code]....
At ASP is as follows
[Code]....
I Debugged to check but on selecting a different value from list the event handler is not being called..
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Apr 23, 2010
When I run my app locally I get no errors. No error from Global.asax, no redirection to an error page. Everythings works fine.
When I deploy my app to a test server, my app run there with no errors. No error from Global.asax, no redirection to an error page. Everythings works fine on the test server.
But when I deploy my app to production server, the app runs fine but I keep getting errors (emailed to me) from Global.asax. On production server we have these security apps that run and keep hitting all URLs of the app on the server. Just to make sure they are working fine. When these security app hit URL of my app, my application runs fine but it gives out this global.asax error. The funny thing is that error is empty. The error are emailed to me and the email is empty. Nothing there.
There are several other apps running on the same server. My app has its own app pool and is configured correctly.
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<
StackPanel Orientation="Horizontal"
VerticalAlignment="Top" HorizontalAlignment="Right"
Margin="5, 1">
<HyperlinkButton x:Name
="ReportsLink"
[Code]....
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May 11, 2010
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'// Event that Occurs when the Delete Button is Clicked //'
Protected Sub Confirm_Delete(ByVal sender As Object, ByVal e As GridViewDeleteEventArgs) Handles GridView1.RowDeleting
Dim file_name As Array = Split(GridView1.Rows.Item(e.rowIndex).Cells.Item(10).Text, "/")
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End If
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<!-- // Main Data Table Section // -->
<asp:GridView ID="GridView1" runat="server" AllowPaging="True" AllowSorting="True" AutoGenerateColumns="False" BackColor="Black" BorderColor="#E7E7FF" BorderStyle="None" BorderWidth="1px" CellPadding="3" DataKeyNames="ID" DataSourceID="ArrestsDB" CellSpacing
= "1" GridLines="None" CssClass = "GV_Row" >
<PagerSettings Mode="NumericFirstLast" Position="TopAndBottom" />
<RowStyle CssClass = "GV_RowStyle" />
<Columns>
<asp:CommandField ButtonType="Button" ShowDeleteButton="True" CausesValidation = "True"
ShowEditButton="True" ShowSelectButton="True" HeaderText="Options" />
<asp:BoundField DataField="ID" HeaderText="ID" InsertVisible="False"
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<ItemTemplate>
<img class = "GridViewImg" onclick = "popup_EnlargePhoto_EditForms(this.id)" id = "<%# DataBinder.Eval(Container.DataItem, "FileNumber") %>, <%# DataBinder.Eval(Container.DataItem, "LastName") %>, <%# DataBinder.Eval(Container.DataItem, "FirstName") %>"
alt = "<%# DataBinder.Eval(Container.DataItem, "LastName") %>, <%# DataBinder.Eval(Container.DataItem, "FirstName") %>" src = "<%# DataBinder.Eval(Container.DataItem, "PhotoLink") %>"></img>
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</asp:TemplateField>
<asp:BoundField DataField="FileNumber" HeaderText="File #"
SortExpression="FileNumber" />
<asp:BoundField DataField="LastName" HeaderText="Last Name"
SortExpression="LastName" />
<asp:BoundField DataField="FirstName" HeaderText="First Name"
SortExpression="FirstName" />
<asp:BoundField DataField="MiddleName" HeaderText="Middle Name"
SortExpression="MiddleName" />
<asp:BoundField HeaderText="DOB (mm/dd/yyyy)" SortExpression = "DOB" DataField = "DOB" DataFormatString = "{0:MM/dd/yyyy}" />
<asp:BoundField DataField="Charge" HeaderText="Charge"
SortExpression="Charge" />
<asp:BoundField DataField="OfficerInCharge" HeaderText="Officer"
SortExpression="OfficerInCharge" />
<asp:BoundField DataField="PhotoLink" HeaderText="Photo Link"
SortExpression="PhotoLink" />
<asp:BoundField DataField="LocationOfArrest" HeaderText="Location Of Arrest"
SortExpression="LocationOfArrest" />
<asp:BoundField DataField="AdditionalInfo" HeaderText="Additional Info"
SortExpression="AdditionalInfo" />
<asp:BoundField DataField="Zone" HeaderText="Zone" SortExpression="Zone" />
<asp:BoundField DataField="DateOfArrest" HeaderText="Date Of Arrest (mm/dd/yyyy)"
SortExpression="DateOfArrest" DataFormatString="{0:MM/dd/yyyy}" />
<asp:BoundField DataField="DateAdded" HeaderText="Date Added (mm/dd/yyyy)"
SortExpression="DateAdded" DataFormatString="{0:MM/dd/yyyy}" />
</Columns>
<FooterStyle BackColor="#B5C7DE" ForeColor="#4A3C8C" />
<PagerStyle BackColor="#E7E7FF" ForeColor="#4A3C8C" HorizontalAlign="Center" />
<SelectedRowStyle CssClass = "GV_SelectedRow" />
<HeaderStyle CssClass = "GV_Header" />
<AlternatingRowStyle CssClass = "GV_AltRowStyle" />
</asp:GridView>
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I am building an asp.net application, using II6 on windows server 2003 (vps hosting).
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Memory gates checking failed because the free memory (43732992 bytes) is less than 5% of total memory. As a result, the service will not be available for incoming requests. To resolve this, either reduce the load on the machine or adjust the value of minFreeMemoryPercentageToActivateService on the serviceHostingEnvironment config element.
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Mar 24, 2010
I am doing Automated coded ui testing in asp.net 2010 for web application. I am testing site and i need to know how can i create the test which will work with all browsers. Right now i created test in IE 8 but its not working in Firefox. So is there any way i can create one test and will work in all browser.
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Mar 3, 2011
i have datagrid , data coming from database but data in database as formated , i want to show data wihotu format
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i am getting same data from database.
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Jan 8, 2010
At our company we are going to develop more for the Windows platform than we have done up until now. As this scale of Windows development is new to us it would be nice with some feedback from experienced developers. Requirements we have: 5 developers from the beginning. 15 developers a year from now. All developers should be able to develop at the same time. Be able to develop solution for ASP.NET and EpiServer 5. Our idea:
A shared server which developers use for development through Terminal Services. SQL Server Express. Start with some free express edition of Visual Studio, upgrade to a commercial version if we need the additional features. Use IIS and not the web server built into Visual Studio. Questions:
Are we on the right track?
In terms of license costs the above should be cheapest, right?
What do you think about multiple developers doing development using a shared TS-server?
Do you know of any company which has a similar development environment?
Are we going to miss some features of the full Visual Studio version immediately? Is using Express version a bad choice? Is IIS the best choice? If use IIS the developers may use the same port for deployment. If we use the built in web server each one has to set their own port as we're sharing a machine.
Comment answer:
We are thinking about a shared server as it will most likely decrease the license costs. So it's purely a cost issue. We are using CVS for version control. Our situation is that we develop on Mac and Linux, that's why buying 1 server license + Visual Studio licenses seems to be a cost effective way of starting this type of development.
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Jun 22, 2010
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Jan 19, 2010
I'm from PHP background. I used to use Apache, MySQL and PHP for web development. I'm just starting asp.net mvc. I've Visual Studio 2008 Pro SP1 & .NET 3.5 SP1 already installed on my computer. So, I installed ASP.NET MVC 1.0 Created a "ASP.NET MVC Web Application" project when I hit F5 it gives error Unable to connect to the ASP.NET Development Server No wonder. In this process I didn't setup the webserver. Can I use apache here? I guess IIS is the default. Where is it? How do I configure it? What is the WebRoot directory for IIS server? Where can I find it? On searching for "Unable to connect to the ASP.NET Development Server" I found this solution:
Step 1: Select the "Tools->External Tools" menu option in VS or Visual Web
Developer. This will allow you to configure and add new menu items to your Tools menu.
Step 2: Click the "Add" button to add a new external tool menu item. Name it "WebServer on Port 8010" (or anything else you want).
Step 3: For the "Command" textbox setting enter this value: C:WINDOWSMicrosoft.NETFrameworkv2.0.50727WebDev.WebServer.EXE (note: this points to the web-server that VS usually automatically runs).
Step 4: For the "Arguments" textbox setting enter this value: /port:8010 /path:$(ProjectDir) (or any port you like)
Step 5: Select the "Use Output Window" checkbox (this will prevent the command-shell window from popping up. Once you hit apply and ok you will now have a new menu item in your "Tools" menu called "WebServer on Port8010". You can now select any web project in your solution and then choose this menu option to launch a web-server that has a root site on port 8010 (or whatever other port you want) for the project. You can then connect to this site in a browser by simply saying [URL] All root based references will work fine.
Step 6: The last step is to configure your web project to automatically reference this web-server when you run or debug a site instead of launching the built-in web-server itself. To-do this, select your web-project in the solution explorer, right click and select "property pages". Select the "start options" setting on the left, and under server change the radio button value from the default (which is use built-in webserver) to instead be "Use custom server". Then set theBase URL value to be: [URL] But there is no C:WINDOWSMicrosoft.NETFrameworkv2.0.50727WebDev.WebServer.EXE such file on my system. Did I forget to install something?
EDIT:
I'm using Windows XP SP2 and logged in as a user with Administrative previlages. from this [URL]
Disable IPv6
Done
Make sure there isnt an edit in the hosts file for localhost There is no single entry in my hosts file (%SystemRoot%system32driversetchosts) with 'localhost' in it. Check firewall/virus settings to allow connections to/from devenv.exe I tried by disabling the firewall/antivirus If you can preview in the browser make sure the URL in the browser uses the same port number as the port number shown in the ASP.NET dev server taskbar icon. No, Actually there is no such dev server taskbar icon. Try setting a fixed, predefined port in project properties Tried it. But no positive result. S
Solution:
After trying everything. I came to conclusion that WebDev.WebServer.exe may be corrupt. So, I've replaced C:Program FilesCommon Filesmicrosoft sharedDevServer9.0WebDev.WebServer.EXE with a fresh copy : [URL]
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Mar 9, 2011
I have 4 servers participating in load balancing environment. The same ASP.NET application is being hosted in each server.
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Request.Url.Host
Environment.MachineName
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[Code]....
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Compiler Error Message: CS1026: ) expected
Source Error:
Line 69: <table border="1" width="600" cellpadding="2">
Line 70: <tr>
Line 71: <td colspan="5"><asp:HyperLink runat="server" NavigateUrl='<%# Eval("Id", "~/ShowAd.aspx?id={0}") %>'><asp:Image runat="server" ImageUrl='<%# IIf(Eval("PreviewImageId") Is DbNull.Value, "Images/NoImage-Sm.jpg", Eval("PreviewImageId", "PhotoDisplay.ashx?photoid={0}&size=Small")) %>' />
Line 72: </asp:HyperLink>
Line 73: </td>
<asp:HyperLink runat="server" NavigateUrl='<%# Eval("Id", "~/ShowAd.aspx?id={0}") %>'>
<asp:Image AlternateText="Ad preview photo" runat="server"
ImageUrl='<%# IIf(Eval("PreviewImageId") Is DbNull.Value, "Images/NoImage-Sm.jpg", Eval("PreviewImageId", "PhotoDisplay.ashx?photoid={0}&size=Small")) %>' />
</asp:Hyperlink>
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