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From <jonmcalexan...@wellsfargo.com.INVALID>
Subject RE: Tomcat 8.5.48: NullPointerException in ApplicationMapping.getHttpServletMapping()
Date Mon, 18 Nov 2019 14:10:57 GMT
-----Original Message-----
From: Mark Thomas <markt@apache.org> 
Sent: Monday, November 18, 2019 3:41 AM
To: users@tomcat.apache.org
Subject: Re: Tomcat 8.5.48: NullPointerException in ApplicationMapping.getHttpServletMapping()

On 18/11/2019 04:36, jonmcalexander@wellsfargo.com.INVALID wrote:
> Oh yippee. Another release. :-D

>I'm not sure how to take that. My impression is that you think another release is a bad
thing. My expectation was that regular releases would be viewed as a good thing. I apologise
if I have misinterpreted your comment but, if I haven't, could you explain why another release
is a bad thing?

Don't take it the wrong way. It just means work on my side when these come out. I was being
sarcastic, but not trying to be mean sarcastic. :-D

> Do you have an ETA on 8.5.49 Mark?

> Voting started yesterday. Votes typically run for 72 hours. While we can use shorter
/ longer voting periods, I'm expecting this one to be the typical 72 hours. Assuming the vote
passes, I'll move everything to the release area. It then takes ~24 hours for the mirrors
to pick up the release and we announce shortly afterwards.

> That said, the actual bits don't change. So you can get a copy of 8.5.49 whenever you
like and can consider it released as soon as the VOTE passes on the dev@ list. I'd expect
that some time Wednesday evening / Thursday morning (UTC).

> Mark

Thanks Mark,




Dream * Excel * Explore * Inspire
Jon McAlexander
Asst Vice President

Middleware Product Engineering
Enterprise CIO | Platform Services | Middleware | Infrastructure Solutions

Upcoming PTO: 11/8, 11/11, 11/15, 11/22, 11/28, 11/29, 12/2, 12/6, 12/13, 12/20 – 12/31

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Tel 515-988-2508 | Cell 515-988-2508

jonmcalexander@wellsfargo.com


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> 
> 
> Dream * Excel * Explore * Inspire
> Jon McAlexander
> Asst Vice President
> 
> Middleware Product Engineering
> Enterprise CIO | Platform Services | Middleware | Infrastructure 
> Solutions
> 
> Upcoming PTO: 11/8, 11/11, 11/15, 11/22, 11/28, 11/29, 12/2, 12/6, 
> 12/13, 12/20 – 12/31
> 
> 8080 Cobblestone Rd | Urbandale, IA 50322
> MAC: F4469-010
> Tel 515-988-2508 | Cell 515-988-2508
> 
> jonmcalexander@wellsfargo.com
> 
> 
> This message may contain confidential and/or privileged information. If you are not the
addressee or authorized to receive this for the addressee, you must not use, copy, disclose,
or take any action based on this message or any information herein. If you have received this
message in error, please advise the sender immediately by reply e-mail and delete this message.
Thank you for your cooperation.
> 
> -----Original Message-----
> From: Mark Thomas <markt@apache.org>
> Sent: Sunday, November 17, 2019 11:01 AM
> To: users@tomcat.apache.org
> Subject: Re: Tomcat 8.5.48: NullPointerException in 
> ApplicationMapping.getHttpServletMapping()
> 
> On 16/11/2019 22:08, Adam Rauch wrote:
>> While testing 8.5.48, we now see NullPointerExceptions when our 
>> ImageServlet code attempts to forward a request to a new location. In 
>> 8.5.47, the code works fine.
> 
> Thanks for reporting this. I can see what the problem is.
> 
> I updated the servlet4preview API in 8.5.x to align it with what was 
> released in Servlet 4 (some names changed). As part of that I aligned 
> the 8.5.x implementation code with 9.0.x. That removed a null check 
> that 8.5.x needs. I'll cancel the 8.5.48 vote, get that fixed and roll 
> an
> 8.5.49 release.
> 
> Mark
> 
> 
>>
>> A simplified version of our code:
>>
>>     public void sendResource(HttpServletRequest request, 
>> HttpServletResponse response) throws IOException, ServletException
>>     {
>> request.getRequestDispatcher(getForwardLocation(request)).forward(req
>> u
>> est,
>> response);
>>     }
>>
>> The NPE stack trace we see:
>>
>>     java.lang.NullPointerException
>>          at
>> org.apache.catalina.core.ApplicationMapping.getHttpServletMapping(App
>> l
>> icationMapping.java:36)
>>
>>          at
>> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationD
>> i
>> spatcher.java:380)
>>
>>          at
>> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDis
>> p
>> atcher.java:316)
>>
>>          at
>> org.labkey.api.settings.TemplateResourceHandler.sendResource(Template
>> R
>> esourceHandler.java:202)
>>
>>          at
>> org.labkey.api.attachments.ImageServlet.service(ImageServlet.java:72)
>>          at
>> javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
>>          at
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
>> i
>> cationFilterChain.java:231)
>>
>>          at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
>> i
>> lterChain.java:166)
>>
>>          at
>> org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52
>> )
>>
>> Let me know if you'd like me to open a Bugzilla and/or provide more 
>> context.
>>
>> Thanks,
>> Adam
>>
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> 
> 
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