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Cannot create a session after the response has been committed

Community Beginner ,
Dec 04, 2017 Dec 04, 2017

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Windows 2016 Server

MSSQL Web Edition 2017

Coldfusion 2016 - 2016.0.05.303689, Tomcat - 8.5.11.0

IIS 10.0.14393.0

I randomly get an error emailed to me from multiple sites (see below) how can I resolve this?  No other information is provided to solve the problem.  We did check "Use J2EE session variables" because we need them for a project and then this started to happen.  A google search reveals that this could be the issue.  Anyone have a solution on how to keep this setting and not get this error?

Cannot create a session after the response has been committed

Type:java.lang.IllegalStateException

StackTrace:

java.lang.IllegalStateException: Cannot create a session after the response has been committed at org.apache.catalina.connector.Request.doGetSession(Request.java:2955) at org.apache.catalina.connector.Request.getSession(Request.java:2368) at org.apache.catalina.connector.RequestFacade$GetSessionPrivilegedAction.run(RequestFacade.java:216) at org.apache.catalina.connector.RequestFacade$GetSessionPrivilegedAction.run(RequestFacade.java:205) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.connector.RequestFacade.getSession(RequestFacade.java:894) at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:231) at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:231) at coldfusion.runtime.AppHelper.setupJ2eeSessionScope(AppHelper.java:1042) at coldfusion.runtime.AppHelper.setupSessionScope(AppHelper.java:1141) at coldfusion.filter.ApplicationFilter.invoke(ApplicationFilter.java:415) at coldfusion.filter.RequestMonitorFilter.invoke(RequestMonitorFilter.java:43) at coldfusion.filter.MonitoringFilter.invoke(MonitoringFilter.java:40) at coldfusion.filter.PathFilter.invoke(PathFilter.java:153) at coldfusion.filter.ExceptionFilter.invoke(ExceptionFilter.java:94) at coldfusion.filter.ClientScopePersistenceFilter.invoke(ClientScopePersistenceFilter.java:28) at coldfusion.filter.BrowserFilter.invoke(BrowserFilter.java:38) at coldfusion.filter.NoCacheFilter.invoke(NoCacheFilter.java:60) at coldfusion.filter.GlobalsFilter.invoke(GlobalsFilter.java:38) at coldfusion.filter.DatasourceFilter.invoke(DatasourceFilter.java:22) at coldfusion.filter.CachingFilter.invoke(CachingFilter.java:62) at coldfusion.filter.RequestThrottleFilter.invoke(RequestThrottleFilter.java:151) at coldfusion.CfmServlet.service(CfmServlet.java:219) at coldfusion.bootstrap.BootstrapServlet.service(BootstrapServlet.java:89) at sun.reflect.GeneratedMethodAccessor61.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:279) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:314) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:170) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:224) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:46) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:148) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:144) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:143) at coldfusion.monitor.event.MonitoringServletFilter.doFilter(MonitoringServletFilter.java:42) at coldfusion.bootstrap.BootstrapFilter.doFilter(BootstrapFilter.java:46) at sun.reflect.GeneratedMethodAccessor58.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:279) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:314) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:253) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:46) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:148) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:144) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:143) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at sun.reflect.GeneratedMethodAccessor58.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:279) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:314) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:253) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:46) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:148) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:144) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:143) at com.seefusion.Filter.doFilter(Filter.java:92) at sun.reflect.GeneratedMethodAccessor58.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:282) at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:279) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAsPrivileged(Subject.java:549) at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:314) at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:253) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:190) at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:46) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:148) at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:144) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:143) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:474) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at com.seefusion.SeeFusionValve.invoke(SeeFusionValve.java:52) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:363) at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:507) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:798) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1434) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:745)

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LEGEND ,
Dec 05, 2017 Dec 05, 2017

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We've been occasionally seeing a flood of these (everything is fine for weeks, then one day we'll get a flood of them for the whole day, then it goes back to normal for a few weeks.)  We have not been able to track down the cause.  I hope someone has some insight into this and can share it, here.

V/r,

^ _ ^

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Community Expert ,
Dec 08, 2017 Dec 08, 2017

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An idea. Might this be the result of a request coming in without a session ID? We could test the idea by putting the following condition in onRequestStart, just before the return-statement:

<cfif not structKeyExists(session, "sessionID")>

    <cflog file="#this.name#" type="Warning" text="Request came in without session ID at #now()#">

    <!--- ColdFusion does not process the request --->

    <cfreturn false>

</cfif>

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LEGEND ,
Dec 28, 2017 Dec 28, 2017

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Hi, BKBK​,

I just tried this on my application, and I'm still getting the error message "Cannot create session after the response has been committed".

Matter of fact, the weird thing is that everything was smooth, yesterday, in our DEV environment; but this morning, every time I submit a form, I get this message.  Nothing changed between last night and this morning, so I'm really confuzzed by it.

Any thoughts?

V/r,

^ _ ^

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LEGEND ,
Dec 28, 2017 Dec 28, 2017

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Adding a CFDUMP from the error page.  Apparently, something is triggering an error, but the error template is never displayed, even though the email is sent.  ???

EXCEPTION - struct

Message

Cannot create a session after the response has been committed

StackTrace

java.lang.IllegalStateException: Cannot create a session after the response has been committed at org.apache.catalina.connector.Request.doGetSession(Request.java:3044) at org.apache.catalina.connector.Request.getSession(Request.java:2416) at org.apache.catalina.connector.RequestFacade.getSession(RequestFacade.java:897) at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:229) at coldfusion.runtime.AppHelper.setupJ2eeSessionScope(AppHelper.java:976) at coldfusion.runtime.AppHelper.setupSessionScope(AppHelper.java:1069) at coldfusion.filter.ApplicationFilter.invoke(ApplicationFilter.java:361) at coldfusion.filter.RequestMonitorFilter.invoke(RequestMonitorFilter.java:48) at coldfusion.filter.BrowserDebugFilter.invoke(BrowserDebugFilter.java:79) at coldfusion.filter.MonitoringFilter.invoke(MonitoringFilter.java:40) at coldfusion.filter.PathFilter.invoke(PathFilter.java:112) at coldfusion.filter.LicenseFilter.invoke(LicenseFilter.java:30) at coldfusion.filter.ExceptionFilter.invoke(ExceptionFilter.java:94) at coldfusion.filter.ClientScopePersistenceFilter.invoke(ClientScopePersistenceFilter.java:28) at coldfusion.filter.BrowserFilter.invoke(BrowserFilter.java:38) at coldfusion.filter.NoCacheFilter.invoke(NoCacheFilter.java:58) at coldfusion.filter.GlobalsFilter.invoke(GlobalsFilter.java:38) at coldfusion.filter.DatasourceFilter.invoke(DatasourceFilter.java:22) at coldfusion.xml.rpc.CFCServlet.invoke(CFCServlet.java:155) at coldfusion.xml.rpc.CFCServlet.doPost(CFCServlet.java:331) at javax.servlet.http.HttpServlet.service(HttpServlet.java:650) at javax.servlet.http.HttpServlet.service(HttpServlet.java:731) at coldfusion.bootstrap.BootstrapServlet.service(BootstrapServlet.java:89) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at coldfusion.monitor.event.MonitoringServletFilter.doFilter(MonitoringServletFilter.java:42) at coldfusion.bootstrap.BootstrapFilter.doFilter(BootstrapFilter.java:46) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:450) at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:197) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:722)

Suppressed

EXCEPTION - array [empty]

TagContext

EXCEPTION - array [empty]

Type

java.lang.IllegalStateException

SESSION - struct

ERROREMAIL

[redacted]

MSGTMPLT

false

CGI - struct

AUTH_PASSWORD

[empty string]

AUTH_TYPE

[empty string]

AUTH_USER

[empty string]

CERT_COOKIE

[empty string]

CERT_FLAGS

[empty string]

CERT_ISSUER

[empty string]

CERT_KEYSIZE

[empty string]

CERT_SECRETKEYSIZE

[empty string]

CERT_SERIALNUMBER

[empty string]

CERT_SERVER_ISSUER

[empty string]

CERT_SERVER_SUBJECT

[empty string]

CERT_SUBJECT

[empty string]

CF_TEMPLATE_PATH

[redacted]\components\ERC.cfc

CONTENT_LENGTH

3581

CONTENT_TYPE

application/x-www-form-urlencoded; charset=UTF-8

CONTEXT_PATH

[empty string]

GATEWAY_INTERFACE

[empty string]

HTTPS

off

HTTPS_KEYSIZE

[empty string]

HTTPS_SECRETKEYSIZE

[empty string]

HTTPS_SERVER_ISSUER

[empty string]

HTTPS_SERVER_SUBJECT

[empty string]

HTTP_ACCEPT

*/*

HTTP_ACCEPT_ENCODING

gzip, deflate

HTTP_ACCEPT_LANGUAGE

en-US,en;q=0.5

HTTP_CONNECTION

keep-alive

HTTP_COOKIE

CFGLOBALS=urltoken%3DCFID%23%3D83547%26CFTOKEN%23%3D274d333caa66e363%2D6F736CE5%2DD431%2DE4E1%2DF52E8925EFF37246%26jsessionid%23%3DC5072E611469A9C02D101B4BDB8F7151%2Ecfusion%23lastvisit%3D%7Bts%20%272017%2D12%2D28%2011%3A13%3A26%27%7D%23timecreated%3D%7Bts%20%272017%2D06%2D08%2009%3A47%3A50%27%7D%23hitcount%3D3559%23cftoken%3Dd7f223c9ef76c2e7%2D2A7AA293%2D093B%2D9F4A%2D027D67AA8F07B549%23cfid%3D18881%23; CFID=Z3s74zilmdrhg6d0o8ssfrtrhsplrrfhk7wkt92pyp1639kitea-83547; CFTOKEN=Z3s74zilmdrhg6d0o8ssfrtrhsplrrfhk7wkt92pyp1639kitea-274d333caa66e363-6F736CE5-D431-E4E1-F52E8925EFF37246; CFADMIN_LASTPAGE_ADMIN=%2FCFIDE%2Fadministrator%2Fsecurity%2Fcfrdspassword%2Ecfm; JSESSIONID=C5072E611469A9C02D101B4BDB8F7151%2Ecfusion

HTTP_HOST

[redacted].mil

HTTP_REFERER

http:// [redacted]/common/trans_form_new.cfm

HTTP_URL

[empty string]

HTTP_USER_AGENT

Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:54.0) Gecko/20100101 Firefox/54.0

LOCAL_ADDR

[redacted].mil

PATH_INFO

[empty string]

PATH_TRANSLATED

[redacted]\components\ERC.cfc

QUERY_STRING

method=[redacted]

REMOTE_ADDR

[redacted].203

REMOTE_HOST

[redacted].203

REMOTE_USER

[empty string]

REQUEST_METHOD

POST

SCRIPT_NAME

[redacted]/components/ERC.cfc

SERVER_NAME

[redacted].mil

SERVER_PORT

80

SERVER_PORT_SECURE

0

SERVER_PROTOCOL

HTTP/1.1

SERVER_SOFTWARE

[redacted]

WEB_SERVER_API

[empty string]

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Community Expert ,
Dec 28, 2017 Dec 28, 2017

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Hi WolfShade

Curious. What was the result of logging the absence of a session ID, as I suggested earlier?

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LEGEND ,
Dec 28, 2017 Dec 28, 2017

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  wrote

Hi

Curious. What was the result of logging the absence of a session ID, as I suggested earlier?

It's not logging anything.

V/r,

^ _ ^

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LEGEND ,
Dec 28, 2017 Dec 28, 2017

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Here's another weird thing:  the form has the ability to dynamically add form elements by clicking an "ADD ITEM [+]" button; it adds fields for shipping items.  If I submit with one or two individual items, no problem.  As soon as I add a third, I get the session error message.

???

V/r,

^ _ ^


CORRECTION:  It gives me a page cannot be displayed error, not the session error.  SMH.

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Community Expert ,
Dec 30, 2017 Dec 30, 2017

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WolfShade  wrote

Here's another weird thing:  the form has the ability to dynamically add form elements by clicking an "ADD ITEM [+]" button; it adds fields for shipping items.  If I submit with one or two individual items, no problem.  As soon as I add a third, I get the session error message.

Thanks for the PM.

It appears that, during the dynamic events at the client, ColdFusion inadvertently receives a request, processes it and sends back a response header. That is, it commits a response while still composing the output for the request. Hence the IllegalStateException.

If so, then you can try the following desperate workaround. Put at the beginning:

<cfflush interval=5000>

It tells ColdFusion to flush the output after a relatively large number of bytes is available.

Caveat: There are a number of warnings you should be aware of when using cfflush. Check out the cfflush documentation.

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Community Expert ,
Dec 28, 2017 Dec 28, 2017

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You should report what you observe as a ColdFusion/Tomcat bug.

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LEGEND ,
Dec 28, 2017 Dec 28, 2017

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Nevermind.. I finally figured out what is going wrong.  I'll PM you the details.

V/r,

^ _ ^

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Community Beginner ,
Jan 03, 2018 Jan 03, 2018

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LATEST

We changed vulnerability scanning providers and this error popped up.

 

Took a while to get this far, but it looks like if I post some invalid data as a post using fiddler to our cf app it throws that error (curl was able to reproduce the problem too).

 

--------- post from fiddler using 'raw' and don't forget the two carriage returns and last period (.)--------------------

POST https://[yoursite.com]/ HTTP/1.1

Connection: keep-alive

Content-Length: 1

Content-Type: application/x-www-form-urlencoded

User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_8; en-us) AppleWebKit/534.57.2 (KHTML, like Gecko) Version/5.1.6 Safari/534.57.2

Accept: text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5

Referer: http://www.qualys.com/was/

 

.

-------------------------- / end --------------------------------------

 

If you change that last period to something more like a form submission, like:

 

name=foo

 

...then it seems to work fine...if you're having trouble getting the data that's being posted, try getting dumping GetHttpRequestData()*

 

* if you dump that GetHttpRequestData() and look at GetHttpRequestData().content you might see just a string, BUT there might be a null (or other control characters) in there which I think is what's causing our problem.  To find the null I needed to something like:

 

<cffile action="write" file="#thisFile#.log" output="#GetHttpRequestData().content#-#toBase64(GetHttpRequestData().content)#">

 

I could then see the string that was posted and the base64 encoded version of the string which would help find any.... odd characters that could be be getting dropped because of character sets, trimming, etc.    In notepad++ I was able to see the null value, but decoding the base64 string also showed a extra character in the post.

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