Error behind the scenes when loading document

The page load and looks find but an Elmah Error is generated. See below.

System.Web.HttpException: The request queue limit of the session is exceeded.
It is on Document/DocImage.axd

We are using this code to open document per your advice in earlier question. We get a memory stream return from our file storage in Azure.

var config = new PdfConfig { ExtractHyperlinks = true, AllowSearch = true, AllowCopy = true, DefaultRender = true };

        var fileInfofakeName = new FileInfo("fakeName.pdf");
        var token = ctlDoc.OpenDocument(_ms, fileInfofakeName, config);

System.Web.HttpException (0x80004005): The request queue limit of the session is exceeded.

at System.Web.SessionState.SessionStateModule.QueueRef()

at System.Web.SessionState.SessionStateModule.PollLockedSession()

at System.Web.SessionState.SessionStateModule.GetSessionStateItem()

at System.Web.SessionState.SessionStateModule.BeginAcquireState(Object source, EventArgs e, AsyncCallback cb, Object extraData)

at System.Web.HttpApplication.AsyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()

at System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step)

at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

Server Variables

Name Value
ALL_HTTP HTTP_CONNECTION:close HTTP_ACCEPT:image/avif,image/webp,image/apng,image/svg+xml,image/,/*;q=0.8 HTTP_ACCEPT_ENCODING:gzip, deflate, br HTTP_ACCEPT_LANGUAGE:en-US,en;q=0.9 HTTP_COOKIE:PageContainerClass=open; ASP.NET_SessionId=xfy1csfa4qcax1lrv1nrk5zt; BBB=Init=Init&uaiu=https://admin.3breferral.com/images/msthd_demo.png&uaipl=&HideSocialSecurityNumber=zIK6MrlHyt0=&AccountSmsEnabled=B310etiYAzs=&ua_hqr=False&uap=212-691-8081&uae=support@3breferral.com&pccact=False&asact=True; UserLocationId=N2senvxVrqQ0918273654; UserLocationName=Tp9hrGUfPNdiosWS1BBYow09182736540918273654; UserAccountId=v7z96mUo6RY0918273654; UserAccountName=bQ2lKMKGPYTWk7tLq6NUc-EArDizvlIf; .3br.Auth=CfDJ8BHGJXL374dLomg_bV_VdUjleAEpQRdZNSMv6WBCIb5-doVAnrRO_l3M7yjqojOjAG_w_zIkGTi7RHqoNzHqnjTE8-N-DSDMlzWVo8-GM48zZwQsgQZJ6Mf0zmOXZMVQgFku_maof7NRENYNgRsCIyb3TMU0aO9lo9Yba-k-JbqwR9fR9kiVJTsbvB0qWKnC0_U6it3PiSbPfCecj21vJQZ7S6TlgsxIc3o4gJYMjYYrUdgNHrxuoGdzfwx7WhLM6GCX4BeTqTkrwI0ETK8objXF2SpYxJvqFAQ-riOt16snywZmWeS9f_5JeUXoikqjHFqEE-XC1zcaD6WCbyOi5FPT38yn7EwSDFDD–Wv5kcGCA_AoiH4X6SYfLW1aFxw8GPVYmeHxTcs69_n4kwqawALxJ9tDfo7w-DummXSxgwdRjtMUbpV4J_FvHEmKnneSjXIpQeKsssMLry9XoFdpwK0rzCeP9atHWyQ3TCTKI0syXsXKJmBUroGz1okaq15R8bITp6bjk4E_DWHWcS_bFqicb18ZDA7wc9p6ug6yPdWJoB5Q7N9BfL3i9PqGtu-kOsspHdrltGjMsA3ZRs9U5wByGmTfsHQ-bdLfKieGMjpvTMxi-W1POZffRIC_LPLy65ncb7M1LeMfaPbFWnnmWgNTlU4Vu5jIZBsAztZmwio9-7q1gCPUnkLET1_-k-Vq21oRplOkCMiz-BOtAHd7_j_ITl3IWi9jadQiUn97rQIKH_3Sntl35Mk19-cdMVP-LZNw1DwMClW48WBdfOl8PUIUi7NYj42T5lXbwTbFgYo9pdiJnx8HFpYxo4D5tAUUiGBX1DMdj3nkAQYbYmUN0cRyp7s5imFt2_PUmBEf6E8JncZOQiXh-wqwi28SyhvFQf0VBqy-kjhNLb6FXRljDhpTfo2tKla7FcWfgYxFKphfhN_uyG9o-MiO3959c1NH5L4fMNrAIzdkyEzzzdNSqE HTTP_HOST:admin.3breferral.com HTTP_REFERER:https://admin.3breferral.com/Document/View.aspx?Id=226869 HTTP_USER_AGENT:Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36 HTTP_SEC_CH_UA:“Google Chrome”;v=“117”, “Not;A=Brand”;v=“8”, “Chromium”;v=“117” HTTP_SEC_CH_UA_MOBILE:?0 HTTP_SEC_CH_UA_PLATFORM:“Windows” HTTP_SEC_FETCH_SITE:same-origin HTTP_SEC_FETCH_MODE:no-cors HTTP_SEC_FETCH_DEST:image
ALL_RAW Connection: close Accept: image/avif,image/webp,image/apng,image/svg+xml,image/,/*;q=0.8 Accept-Encoding: gzip, deflate, br Accept-Language: en-US,en;q=0.9 Cookie: PageContainerClass=open; ASP.NET_SessionId=xfy1csfa4qcax1lrv1nrk5zt; BBB=Init=Init&uaiu=https://admin.3breferral.com/images/msthd_demo.png&uaipl=&HideSocialSecurityNumber=zIK6MrlHyt0=&AccountSmsEnabled=B310etiYAzs=&ua_hqr=False&uap=212-691-8081&uae=support@3breferral.com&pccact=False&asact=True; UserLocationId=N2senvxVrqQ0918273654; UserLocationName=Tp9hrGUfPNdiosWS1BBYow09182736540918273654; UserAccountId=v7z96mUo6RY0918273654; UserAccountName=bQ2lKMKGPYTWk7tLq6NUc-EArDizvlIf; .3br.Auth=CfDJ8BHGJXL374dLomg_bV_VdUjleAEpQRdZNSMv6WBCIb5-doVAnrRO_l3M7yjqojOjAG_w_zIkGTi7RHqoNzHqnjTE8-N-DSDMlzWVo8-GM48zZwQsgQZJ6Mf0zmOXZMVQgFku_maof7NRENYNgRsCIyb3TMU0aO9lo9Yba-k-JbqwR9fR9kiVJTsbvB0qWKnC0_U6it3PiSbPfCecj21vJQZ7S6TlgsxIc3o4gJYMjYYrUdgNHrxuoGdzfwx7WhLM6GCX4BeTqTkrwI0ETK8objXF2SpYxJvqFAQ-riOt16snywZmWeS9f_5JeUXoikqjHFqEE-XC1zcaD6WCbyOi5FPT38yn7EwSDFDD–Wv5kcGCA_AoiH4X6SYfLW1aFxw8GPVYmeHxTcs69_n4kwqawALxJ9tDfo7w-DummXSxgwdRjtMUbpV4J_FvHEmKnneSjXIpQeKsssMLry9XoFdpwK0rzCeP9atHWyQ3TCTKI0syXsXKJmBUroGz1okaq15R8bITp6bjk4E_DWHWcS_bFqicb18ZDA7wc9p6ug6yPdWJoB5Q7N9BfL3i9PqGtu-kOsspHdrltGjMsA3ZRs9U5wByGmTfsHQ-bdLfKieGMjpvTMxi-W1POZffRIC_LPLy65ncb7M1LeMfaPbFWnnmWgNTlU4Vu5jIZBsAztZmwio9-7q1gCPUnkLET1_-k-Vq21oRplOkCMiz-BOtAHd7_j_ITl3IWi9jadQiUn97rQIKH_3Sntl35Mk19-cdMVP-LZNw1DwMClW48WBdfOl8PUIUi7NYj42T5lXbwTbFgYo9pdiJnx8HFpYxo4D5tAUUiGBX1DMdj3nkAQYbYmUN0cRyp7s5imFt2_PUmBEf6E8JncZOQiXh-wqwi28SyhvFQf0VBqy-kjhNLb6FXRljDhpTfo2tKla7FcWfgYxFKphfhN_uyG9o-MiO3959c1NH5L4fMNrAIzdkyEzzzdNSqE Host: admin.3breferral.com Referer: https://admin.3breferral.com/Document/View.aspx?Id=226869 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36 sec-ch-ua: “Google Chrome”;v=“117”, “Not;A=Brand”;v=“8”, “Chromium”;v=“117” sec-ch-ua-mobile: ?0 sec-ch-ua-platform: “Windows” sec-fetch-site: same-origin sec-fetch-mode: no-cors sec-fetch-dest: image
APPL_MD_PATH /LM/W3SVC/1/ROOT
APPL_PHYSICAL_PATH C:\inetpub\wwwroot\admin.3breferral.com\
AUTH_TYPE Cookies
AUTH_USER
AUTH_PASSWORD
LOGON_USER
REMOTE_USER
CERT_COOKIE
CERT_FLAGS
CERT_ISSUER
CERT_KEYSIZE 256
CERT_SECRETKEYSIZE 2048
CERT_SERIALNUMBER
CERT_SERVER_ISSUER C=GB, S=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
CERT_SERVER_SUBJECT CN=*.3breferral.com
CERT_SUBJECT
CONTENT_LENGTH 0
CONTENT_TYPE
GATEWAY_INTERFACE CGI/1.1
HTTPS on
HTTPS_KEYSIZE 256
HTTPS_SECRETKEYSIZE 2048
HTTPS_SERVER_ISSUER C=GB, S=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
HTTPS_SERVER_SUBJECT CN=*.3breferral.com
INSTANCE_ID 1
INSTANCE_META_PATH /LM/W3SVC/1
LOCAL_ADDR 10.0.3.4
PATH_INFO /Document/DocImage.axd
PATH_TRANSLATED C:\inetpub\wwwroot\admin.3breferral.com\Document\DocImage.axd
QUERY_STRING page=42&zoom=100&token=f7cfb4fb-f0a9-486c-a3e3-ca93f4350d5b&rnd=631696285985725&format=png
REMOTE_ADDR 4.2.164.130
REMOTE_HOST 4.2.164.130
REMOTE_PORT 63469
REQUEST_METHOD GET
SCRIPT_NAME /Document/DocImage.axd
SERVER_NAME admin.3breferral.com
SERVER_PORT 443
SERVER_PORT_SECURE 1
SERVER_PROTOCOL HTTP/1.1
SERVER_SOFTWARE Microsoft-IIS/10.0
URL /Document/DocImage.axd
HTTP_CONNECTION close
HTTP_ACCEPT image/avif,image/webp,image/apng,image/svg+xml,image/,/*;q=0.8
HTTP_ACCEPT_ENCODING gzip, deflate, br
HTTP_ACCEPT_LANGUAGE en-US,en;q=0.9
HTTP_COOKIE PageContainerClass=open; ASP.NET_SessionId=xfy1csfa4qcax1lrv1nrk5zt; BBB=Init=Init&uaiu=https://admin.3breferral.com/images/msthd_demo.png&uaipl=&HideSocialSecurityNumber=zIK6MrlHyt0=&AccountSmsEnabled=B310etiYAzs=&ua_hqr=False&uap=212-691-8081&uae=support@3breferral.com&pccact=False&asact=True; UserLocationId=N2senvxVrqQ0918273654; UserLocationName=Tp9hrGUfPNdiosWS1BBYow09182736540918273654; UserAccountId=v7z96mUo6RY0918273654; UserAccountName=bQ2lKMKGPYTWk7tLq6NUc-EArDizvlIf; .3br.Auth=CfDJ8BHGJXL374dLomg_bV_VdUjleAEpQRdZNSMv6WBCIb5-doVAnrRO_l3M7yjqojOjAG_w_zIkGTi7RHqoNzHqnjTE8-N-DSDMlzWVo8-GM48zZwQsgQZJ6Mf0zmOXZMVQgFku_maof7NRENYNgRsCIyb3TMU0aO9lo9Yba-k-JbqwR9fR9kiVJTsbvB0qWKnC0_U6it3PiSbPfCecj21vJQZ7S6TlgsxIc3o4gJYMjYYrUdgNHrxuoGdzfwx7WhLM6GCX4BeTqTkrwI0ETK8objXF2SpYxJvqFAQ-riOt16snywZmWeS9f_5JeUXoikqjHFqEE-XC1zcaD6WCbyOi5FPT38yn7EwSDFDD–Wv5kcGCA_AoiH4X6SYfLW1aFxw8GPVYmeHxTcs69_n4kwqawALxJ9tDfo7w-DummXSxgwdRjtMUbpV4J_FvHEmKnneSjXIpQeKsssMLry9XoFdpwK0rzCeP9atHWyQ3TCTKI0syXsXKJmBUroGz1okaq15R8bITp6bjk4E_DWHWcS_bFqicb18ZDA7wc9p6ug6yPdWJoB5Q7N9BfL3i9PqGtu-kOsspHdrltGjMsA3ZRs9U5wByGmTfsHQ-bdLfKieGMjpvTMxi-W1POZffRIC_LPLy65ncb7M1LeMfaPbFWnnmWgNTlU4Vu5jIZBsAztZmwio9-7q1gCPUnkLET1_-k-Vq21oRplOkCMiz-BOtAHd7_j_ITl3IWi9jadQiUn97rQIKH_3Sntl35Mk19-cdMVP-LZNw1DwMClW48WBdfOl8PUIUi7NYj42T5lXbwTbFgYo9pdiJnx8HFpYxo4D5tAUUiGBX1DMdj3nkAQYbYmUN0cRyp7s5imFt2_PUmBEf6E8JncZOQiXh-wqwi28SyhvFQf0VBqy-kjhNLb6FXRljDhpTfo2tKla7FcWfgYxFKphfhN_uyG9o-MiO3959c1NH5L4fMNrAIzdkyEzzzdNSqE
HTTP_HOST admin.3breferral.com
HTTP_REFERER https://admin.3breferral.com/Document/View.aspx?Id=226869
HTTP_USER_AGENT Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36
HTTP_SEC_CH_UA “Google Chrome”;v=“117”, “Not;A=Brand”;v=“8”, “Chromium”;v=“117”
HTTP_SEC_CH_UA_MOBILE ?0
HTTP_SEC_CH_UA_PLATFORM “Windows”
HTTP_SEC_FETCH_SITE same-origin
HTTP_SEC_FETCH_MODE no-cors
HTTP_SEC_FETCH_DEST image

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@NancyJane307,

I have not been able to replicate the error that is happening to you.

Could you send me a small sample project with the issue, please?

And just to confirm, are you using .NET Framework 4.7.2?

Hi,

We restarted IIS after our upgrade and this seemed to do the trick. The error disappeared.

Thanks again,
Nancy

1 Like