Oh yippee. Another release. :-D Do you have an ETA on 8.5.49 Mark?
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-----Original Message-----
From: Mark Thomas <ma...@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(requ
> est,
> response);
> }
>
> The NPE stack trace we see:
>
> java.lang.NullPointerException
> at
> org.apache.catalina.core.ApplicationMapping.getHttpServletMapping(Appl
> icationMapping.java:36)
>
> at
> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDi
> spatcher.java:380)
>
> at
> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDisp
> atcher.java:316)
>
> at
> org.labkey.api.settings.TemplateResourceHandler.sendResource(TemplateR
> 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(Appli
> cationFilterChain.java:231)
>
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFi
> 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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