Exception: An error has occured while trying to execute query :LDAP.owl.com:939; socket closed.

I have the following custom-application.cfm file and I kept getting the above error when trying to login.

<!--- Custom-Application.cfm --->

<cfparam name="Cas_Server_Secure" default="https://ash.owl.com/cas">

<!--- <cfparam name="ReturnURL" default="http://#cgi.server_name##cgi.script_name#?#cgi.query_string#"> --->

<cfparam name="ReturnURL" default="http://#cgi.server_name##cgi.script_name#">

<cfparam name="Session.CAS" default="">

<cfparam name="tempMember" default="">

<cfparam name="strstart" default="0">

<cfparam name="strend" default="0">

<cfparam name="teststring" default="">

<cfparam name="strtotalmember" default="">

<cfset session.updatedForGolive = 1 >

<!---include adf core--->

<cfset request.scriptsExecuted = "">

<cfinclude template="/ADF/core/load_site_adf.cfm">  

    <!--- <cfif not IsDefined("url.ticket") >

    <cfset ReturnURL = URLEncodedFormat(ReturnURL)>

    </cfif> --->

<cflock scope="Session" type="ReadOnly" timeout="5" throwontimeout="no">

     <cfscript>

      if (not IsStruct(Session.CAS))

          {

            session.CAS = StructNew();

            session.CAS.IsAuthenticated = "";

            //session.CAS.owlTarget = "http://www2.owl.com";

            session.CAS.owlTarget = URLEncodedFormat(Replace(GetDirectoryFromPath(ReturnURL), "http://www.owl.com/", "http://www2.owl.com/" ));

        }

    //Testing requestTarget

    //needs additional validation

    </cfscript>

</cflock>

<cfif not cgi.query_string contains "csModule=security/logout" and not cgi.SCRIPT_NAME contains "/commonspot/" >

    <cfif SERVER_PORT_SECURE eq 1 >

        <cfset ReturnURL ="https://#cgi.server_name##cgi.script_name#">

    </cfif>  

<cfif not FindNoCase("?login=1", ReturnURL) and not FindNoCase("login.cfm", ReturnURL) >

    <cfif not IsDefined("url.ticket") >

    <cfset ReturnURL = URLEncodedFormat(ReturnURL)>

    </cfif>

    <cflock scope="Session" type="ReadOnly" timeout="5" throwontimeout="no">

                <cfscript>

                    if (not IsDefined("url.ticket")){

                            Session.CAS.owlTarget = ReturnURL;

                    }

                </cfscript>

    </cflock>

</cfif>

<!--- <cfdump var="#session.CAS#"> --->

<!--- <cfabort> --->

<cfscript>

//session.CAS.IsAuthenticated = "";

    //LDAP Starting Point

    LDAP.StartLevel="ou=owl users,dc=owl,dc=com";

    //Active Directory Server or IP Address

    LDAP.Server="cabage.owl.com";

    //LDAP.Server="potato.owl.com";

    //Switch to this when Bob is done

    LDAP.Server="LDAP.owl.com";

    //LDAP Service Port Number

    LDAP.Port="939";

    //LDAP Query Timeout (in seconds)

    LDAP.Timeout="5";

    // what to query for

    strAttributes = "cn,mail,memberOf,dn";

    //LDAP User to run query as ADDED by Bob

    // example: "domainName\userName";

    LDAP.AUser="ldapAuth";

    //LDAP User to run query as ADDED by Bob

    // example: "domainName\userName";

    LDAP.User="tester";

    //Password for LDAP User ADDED by Bob

    LDAP.Password="pass600";

</cfscript>

<!--- if we have a url.ticket then we need to get the users userid back from CAS --->                  

<cfif isDefined("url.ticket")>  

    <!--- Ticket returned from CAS on initial login --->

    <!--- Now we've gotten the service ticket so we must validate it --->

            <cfset casurl = CAS_Server_Secure & "/serviceValidate?ticket=" & url.ticket & "&service=" & "#Session.cas.owlTarget#">

            <cfhttp url="#casurl#" method="get" proxyserver="mstmgproxy.owl.com" proxyport="8080"></cfhttp>

            <!--- Strip out the username that is returned from CAS --->

            <!--- if ticket has expired.  Send back to CAS to reauthenticate --->

            <cfif cfhttp.filecontent contains "not recognized">

                 <cflocation url="#Cas_Server_Secure#/login?service=#Session.cas.owlTarget#" addtoken="No">

            </cfif>

            <cfscript>

            myxmldoc = XmlParse(cfhttp.filecontent);

            selectedElements = XmlSearch(myxmldoc, "cas:serviceResponse/cas:authenticationSuccess/cas:user");

            if(isArray(selectedElements) AND NOT ArrayIsEmpty(selectedElements)) {

            //valid ticket found

            ULuserid = selectedElements[1].XmlText;

            LDAP.user = #ULuserid#;

            }

            else

            //invalid ticket

            ULuserid = 0;

            </cfscript>

                <!--- <cfdump var="#Cas_Server_Secure#/login?service=#ReturnURL#">

                                <cfabort> --->

        <cfif NOT ULuserid is 0>

                <!--- User ID returned with CAS Ticket --->

                <!--- <cfdump var="#ULuserid#">

                                     <cfabort> --->

         <cfset LDAP.User="#ULuserid#">

                <!--- Available cfldap parameters ACTION,ATTRIBUTES,DELIMITER,FILTER,FILTERFILE,MAXROWS,NAME,PASSWORD,PORT,REBIND,REFERRAL, RETURNASBINARY,SCOPE,SECURE,SEPARATOR,SERVER,SORT,SORTCONTROL,START,STARTROW,TIMEOUT,USERN AME --->.

                    <!--- note removed port attribute??????????? --->

                    <!--- Added application ldapuser and pwd these never change --->

                <cfldap

                    server = "#LDAP.server#"

                    action = "query"

                    name = "loginResult"

                    start = "#LDAP.startLevel#"

                    attributes = "#strAttributes#"

                    sort = "cn ASC"

                       filter = "cn=#ldap.user#"

                    port = "939"

                    username = "owl\#ldap.auser#"

                    password = "#LDAP.Password#">

                <cfif loginresult.recordcount>

                    <cfldap

                        server = "#LDAP.server#"

                        action = "query"

                        name = "groupresult"

                        start = "ou=owl groups,dc=owl,dc=com"

                        attributes = "dn,name"

                        sort = "cn ASC"

                        filter = "(&(objectclass=group)(member=#loginResult.dn#))"

                        port = "939"

                        username = "owl\#ldap.auser#"

                        password = "#LDAP.Password#">

                </cfif>

                <cfif groupresult.recordcount>

                    <cfldap action="query"

                    name="getGroups"

                    attributes="name,memberof"

                    start = "ou=owl groups,dc=owl,dc=com"

                    filter="(&(objectclass=group)(member=#loginResult.dn#))"

                    port = "939"

                    server = "#LDAP.server#"

                    sort="cn ASC"

                    username = "owl\#ldap.auser#"

                    password = "#LDAP.Password#"

                    separator=";">

                <cfscript>

                        for ( i=1; i LTE getGroups.RecordCount; i=(i+1)){

                                    teststring = getGroups["memberof"][i];

                                    if ( teststring neq "")

                                    {  

                                            strstart =0;

                                            strend=0;

                                            Do

                                            {

                                                if(Findnocase("cn=",teststring,0) neq 0){

                                                strstart = Findnocase("cn=",teststring,0);

                                                strend = Findnocase(",",teststring,strstart);

                                                //Get group

                                                tempMember = mid(teststring,strstart,strend-strstart);

                                                teststring = Replace(teststring, tempMember, "");

                                                strtotalmember = strtotalmember &","& replacenocase(tempMember, "cn=", "");

                                                }

                                             }

                                             While (Findnocase("cn=",teststring,0));  

                                    }

                            }

                    strtotalmember    = valuelist(groupresult.name) & strtotalmember;  

                    </cfscript>

                </cfif>

            <!--- if we found a user and group then authorize the person --->   

            <!--- Requires finding groups --->

            <!--- <cfif (loginresult.recordcount) and (groupresult.recordcount)> --->

             <cfif (loginresult.recordcount)>

                    <!--- Fix for Alumni Users with Numeric userids --->

                    <cfif IsNumeric(Mid(ULuserid, 1, 1))>

                        <cfset ULuserid = "owl" & #ULuserid#>

                                <!--- <cfoutput>#ULuserid#</cfoutput> --->

                        <!--- <cfexit> --->

                    </cfif>

                        <!--- // authorize the user --->

                        <cfmodule template="/commonspot/security/populate-user-struct.cfm"

                                                        defaultUserID = "#ULuserid#"

                                                        defaultGroupNames = "#strtotalmember#"

                                                        defaultGroupIDs = ""

                                                        additionalGroupNames = "#strtotalmember#">

                            <cfif session.user.LICENSEDCONTRIBUTOR eq 0 >

                                <cftry>

                                    <CFLOCK SCOPE="Session" TYPE="Exclusive"

                                            TIMEOUT="5" THROWONTIMEOUT="Yes">

                                        <cfquery DATASOURCE="#session.user.USERSDATASOURCE#" NAME="updateContributor">

                                           UPDATE Users

                                           SET LicensedContributor = '1'

                                           WHERE ID = #session.user.id#

                                        </cfquery>

                                    <cfset session.user.LicensedContributor = "1">

                                    </CFLOCK>

                                <cfcatch><cfoutput>Error Occurred</cfoutput>

                                </cfcatch>

                                </cftry>

                            </cfif>                                                      

                <!--- We have a valid userid --->

                 <cfscript>

                    session.CAS.IsAuthenticated = "Yes";

                    session.CAS.userid = "#ULuserid#";

                    session.CAS.groups = "#strtotalmember#";

                </cfscript>

                        <!--- <cfdump var="#session#">

                                    <cfabort> --->              

                        <cflocation url="#URLDecode(Session.CAS.owlTarget)#" addtoken="No">

                <cfelse>

                <cflocation url="http://#cgi.server_name##request.subsitecache[1].url#restricted.cfm" addtoken="No">

                </cfif>

        </cfif>

</cfif>

</cfif>

<!--- <cfdump var="#session.user#"> --->

And this the CommonSpot error log.

>> error processing custom application module (/owl/custom-application.cfm)

~~

Exception: An error has occured while trying to execute query :LDAP.owl.com:939; socket closed.

~~~~~ CommonSpot Instance Details ~~~~~

CFML Engine Version: ColdFusion Server 10.0.15.292620 (Apache Tomcat/7.0.54)

CFML Engine Started: 2016-02-12 06:57:23.413 (running for 3 days)

==

Request (GET) from 172.15.1.225

====

Thread 'ajp-bio-8012-exec-2' [ID=77, State='RUNNABLE']

... request started at 2016-02-15 06:42:54.763[running 125 milliseconds]

...  Request (GET) from 172.15.1.225

   ...request mode: : read

minimized stack with 57 entries

   0: ........coldfusion.tagext.net.LdapTag.doStartTag[ldaptag.java:777]

   1: ........coldfusion.runtime.CfJspPage._emptyTcfTag[cfjsppage.java:2795]

   2: CFM....cfcustom2dapplication2ecfm992673038.runPage[c:/owlweb/owl/custom-application.cfm:1 85]

   6: CFM....cfsite2dapplication2dmeat2ecfm185143928._factor10[{CS Root}/commonspot/startup/site-application-meat.cfm:527]

   7: CFM....cfsite2dapplication2dmeat2ecfm185143928._factor13[{CS Root}/commonspot/startup/site-application-meat.cfm:397]

   8: CFM....cfsite2dapplication2dmeat2ecfm185143928.runPage[{CS Root}/commonspot/startup/site-application-meat.cfm:1]

  13: CFM....cfsite2dapplication2ecfm72844038.runPage[{CS Root}/commonspot/site-application.cfm:23]

  17: CFM....cfApplication2ecfm1010495360.runPage[c:/owlweb/owl/computer-science/application.cf m:13]