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Posted to users@tomcat.apache.org by eurotrans-Verlag <ve...@t-online.de> on 2011/02/04 02:21:45 UTC

NPE instead of '400 Bad Request' response when sending invalid request on Tomcat 7.0.7

Hi all,

I noticed that when sending an invalid request to Tomcat 7.0.7 (e.g. without
a HTTP method), Tomcat throws a NullPointerException, instead of responding
with a "400 Bad Request".

If you do a request like this for example:

/invalidRequest HTTP/1.1
Host: localhost


Then Tomcat prints:

04.02.2011 02:16:44 org.apache.catalina.connector.CoyoteAdapter service
SCHWERWIEGEND: An exception or error occurred in the container during the
request processing
java.lang.NullPointerException
	at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:409)
	at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:243)
	at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http
11Protocol.java:188)
	at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http
11Protocol.java:166)
	at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:
288)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown
Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown
Source)
	at java.lang.Thread.run(Unknown Source)

and closes the connection without sending a response.

Shouldn't Tomcat respond with "400 Bad Request" instead of throwing a NPE?
;)
(I don't think this is a big issue, just wanted to note that behavior.)

Cheers
Konstantin Preißer


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Re: NPE instead of '400 Bad Request' response when sending invalid request on Tomcat 7.0.7

Posted by Christopher Schultz <ch...@christopherschultz.net>.
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Konstantin,

On 2/3/2011 8:21 PM, eurotrans-Verlag wrote:
> I noticed that when sending an invalid request to Tomcat 7.0.7 (e.g. without
> a HTTP method), Tomcat throws a NullPointerException, instead of responding
> with a "400 Bad Request".
> 
> If you do a request like this for example:
> 
> /invalidRequest HTTP/1.1
> Host: localhost
> 
> Then Tomcat prints:
> 
> 04.02.2011 02:16:44 org.apache.catalina.connector.CoyoteAdapter service
> SCHWERWIEGEND: An exception or error occurred in the container during the
> request processing
> java.lang.NullPointerException
> 	at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:409)

[snip]

> and closes the connection without sending a response.
> 
> Shouldn't Tomcat respond with "400 Bad Request" instead of throwing a NPE?
> ;)
> (I don't think this is a big issue, just wanted to note that behavior.)

Looks like a bug to me: please file this in Bugzilla. Testing against
Tomcat 6.0.x and mentioning the results would also be helpful.

- -chris
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