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Publication process stops at upload stage or at finalize stage. Examining the problem shows either of two options:

Failed to upload document

A specific file could not be uploaded and publish engine retried to upload the file several times. Each time failed. Log message in publish.log is similar to:

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AssertWeb Verbose: 0 : 2017-10-13 12.35.46:ProcessRequest:/AssertWeb/Publisher/UploadHandler.ashx?site=<site>&item=...:(noSession):NT AUTHORITY\IUSR:Uploading Site:<site> Directory:Documents\en-US FileName: <filename>.pdf
AssertWeb Error: 0 : 2017-10-13 12.35.47:ProcessRequest:/AssertWeb/Publisher/UploadHandler.ashx?site=<site>&item=...:(noSession):NT AUTHORITY\IUSR:An error occured in UploadHandler when processing request to site: <site>
AssertWeb Error: 0 : System.OutOfMemoryException: Exception of type 'System.OutOfMemoryException' was thrown.
   at System.Web.HttpRawUploadedContent.AddBytes(Byte[] data, Int32 offset, Int32 length)
   at System.Web.HttpRequest.GetEntireRawContent()
   at System.Web.HttpRequest.get_InputStream()
   at Signifikant.Assert.Web.Viewer.Publisher.UploadHandler.StoreFile(HttpContext context, SiteFileItem item)
   at Signifikant.Assert.Web.Viewer.Publisher.UploadHandler.ProcessDocument(HttpContext context, SiteFileItem item)
   at Signifikant.Assert.Web.Viewer.Publisher.UploadHandler.ProcessRequest(HttpContext context)

Failed to finalize publication

The database file could not be uploaded to the server. Publish.log contains something like this:

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Solution is to run web viewer in 64 bit mode. Disable the 32 bit option in IIS to resolve the issue.

Temporary workaround

A temporary work around involve trying:

1. Reset IIS prior to publish to free resources and memory
2. Manually copy the files that failed to upload.

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