Convert PDF to and From Oracle Error

[Nick G-2]

I have been trying to load PDF files into Oracle using Coldfusion and download them again and it seems the data is corrupt (that’s the error message I get when I download it). The files seem to load properly (as byte array) it's when I try to doanload them is when I get the corrupted data error. Any help on what is going on/what the problem is? Here is my code/table:

CREATE TABLE TBL (
USERID NUMBER(10),
DEPARTDOC BLOB
)
<!--- 1.cfm --->
<form action="2.cfm" method="POST" enctype="multipart/form-data">
        File Name: <input name="FileName" type="file">
        <input name="Submit" type="submit" value="Save">
</form>

<!--- 2.cfm --->
<cfset Directory_Path = GetDirectoryFromPath(GetTemplatePath())>
<cfif IsDefined("Form.Submit") AND Trim(form.FileName) NEQ "">
    <cftry>
        <cffile action="upload"
            filefield="form.FileName"
            destination="#Directory_Path#"
            nameconflict="makeunique"
            accept="application/iso-8859-1, application/pdf">

            <cffile
                action = "readbinary"
                file = "#Directory_Path##cffile.serverFile#"
                variable="file_blob">

                <cfquery name="upload" datasource="dsn">
                    INSERT INTO TBL (
                        USERID, DEPARTDOC)
                    VALUES (
                    3,
                    <cfqueryparam
                        value="#file_blob#"
                        cfsqltype="cf_sql_blob">
                    )        
                </cfquery>
    <cfcatch type="application">
        Error...
    </cfcatch>
    </cftry>
</cfif>

<!--- 3.cfm --->
<cfheader
    name="content-disposition"
    value="attachment; filename=myFile.pdf">
<cfquery name="q" datasource="dsn">
   select DEPARTDOC
   from TBL
   where userid = 2
</cfquery>
<cfcontent
    type="application/iso-8859-1, application/pdf"
    variable="#q.DEPARTDOC#">



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