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Posted to dev@wink.apache.org by "Andrew Berezovskyi (JIRA)" <ji...@apache.org> on 2016/11/08 14:08:58 UTC

[jira] [Commented] (WINK-425) NullPointerException in getContentLengthValue (HeadMethodHandler.java:100)

    [ https://issues.apache.org/jira/browse/WINK-425?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15647655#comment-15647655 ] 

Andrew Berezovskyi commented on WINK-425:
-----------------------------------------

Did you want to return 405 Method Not Allowed?

https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.6

> NullPointerException in getContentLengthValue (HeadMethodHandler.java:100)
> --------------------------------------------------------------------------
>
>                 Key: WINK-425
>                 URL: https://issues.apache.org/jira/browse/WINK-425
>             Project: Wink
>          Issue Type: Bug
>          Components: Server
>    Affects Versions: 1.4
>         Environment: Ubuntu 14.04 LTS, Apache 2.4.7, Tomcat 7, Wink 1.4
>            Reporter: Slawomir Lisznianski
>
> I'd like to reopen bug WINK-357 reported on 11/Jan/12. 
> A web crawler hitting any of my resources with a HEAD request will cause this error since countingStream is NULL here:
> {code:java}
> HeadMethodHandler.java:100:
> getContentLengthValue() {
>   return countingStream.getByteCount();
> }
> {code}
> One should not be required to handle HEAD requests only to avoid this bug from being exposed. 
> {code:xml}
> i2014-08-28 17:19:18:982 [ajp-bio-8009-exec-1] INFO org.apache.wink.server.internal.registry.ResourceRegistry - The system cannot find any method in the ************ class that supports HEAD
> . Verify that a method exists.
> 2014-08-28 17:19:18:987 [ajp-bio-8009-exec-1] INFO org.apache.wink.server.internal.RequestProcessor - The following error occurred during the invocation of the handlers chain: NullPointerException with message 'null' while processing HEAD request sent to https://pushcoin.com/api/v1/guest/fbauths/code
> 2014-08-28 17:19:18:987 [ajp-bio-8009-exec-1] ERROR com.pushcoin.pws.provider.UnknownExceptionMapper - Error: 
> java.lang.NullPointerException
>         at org.apache.wink.server.internal.handlers.HeadMethodHandler$NoBodyResponse.getContentLengthValue(HeadMethodHandler.java:100)
>         at org.apache.wink.server.internal.handlers.HeadMethodHandler.handleResponse(HeadMethodHandler.java:83)
>         at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:26)
>         at org.apache.wink.server.handlers.ResponseHandlersChain.handle(ResponseHandlersChain.java:22)
> {code}



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