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  • Vikas 1 post 72 karma points
    Oct 28, 2016 @ 22:28
    Vikas
    1

    Umbraco (v6.2.1)- Content Sync Issue - Error Refreshing Distributed List

    I am facing issues with changes posted on server to reflect in second server in Load balanced environment. The two servers are always in sync. Any file delete , change and addition is automatically reflected in the second server. But when the changes are published, one server always show old page. I have already gone through different questions on the forum and have listed below my observations\ configuration settings.

    I have set up the distributedCall element in config/umbracoSettings.config file as shown below

    <distributedCall enable="true">
    <user>0</user>
    <servers>
        <server>ourserver-node1</server>
        <server>ourserver-node2</server>
    </servers>
</distributedCall>

    But whenever I publish content, its available only on one server and does not gets replicated on another server. I see following entries in the logs

    2016-10-28 09:20:14,220 [7] ERROR Umbraco.Web.BatchedServerMessenger - [Thread 175] Error refreshing a node in the distributed list, URI attempted: http://ourserver-node1/umbraco/webservices/cacheRefresher.asmx
System.Net.WebException: The request failed with the error message:
--
<html><head><title>Object moved</title></head><body>
<h2>Object moved to <a href="/login.aspx?ReturnUrl=%2fumbraco%2fwebservices%2fcacheRefresher.asmx">here</a>.</h2>
</body></html>

--.
   at System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall)
   at System.Web.Services.Protocols.SoapHttpClientProtocol.EndInvoke(IAsyncResult asyncResult)
   at Umbraco.Core.Sync.ServerSyncWebServiceClient.EndBulkRefresh(IAsyncResult asyncResult)
   at Umbraco.Web.BatchedServerMessenger.SendMessages(IEnumerable`1 messages)

    This makes me think that when system is trying to invoke cacheRefresher webservice at umbraco/webservices/cacheRefresher.asmx, the system tries to redirect it to login page or asks for authentication.

    I tried opening both links in incognito window. I got redirected (302) to login.aspx page then to homepage of the site. 

    http://ourserver-node1/umbraco/webservices/cacheRefresher.asmx
http://ourserver-node2/umbraco/webservices/cacheRefresher.asmx

    I also checked authentication configuration in web.config file. 

    <authentication mode="Forms">
  <forms name="yourAuthCookie" loginUrl="login.aspx" protection="All" path="/" />
</authentication>
<authorization>
  <allow users="?" />
</authorization>

    I also see observed that write.lock file is present in index locations on one server 

    root\App_Data\TEMP\ExamineIndexes\Internal\Index
root\App_Data\TEMP\ExamineIndexes\External\Index
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  • Dave Woestenborghs 3325 posts 11170 karma points MVP 5x admin c-trib
    Oct 30, 2016 @ 09:29
    Dave Woestenborghs
    1

    Hi Vikas,

    Can you check if you have a admin user with id 0 ?

    Because that is configured in the distributed calls :

    <distributedCall enable="true">
<user>0</user>
<servers>
    <server>ourserver-node1</server>
    <server>ourserver-node2</server>
</servers>

    Make sure the user node contains a valid user id.

    Dave

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