Silvio,

Thanks for the info, I will look into it.

The intention of the AliasChecker change was not to break the usage of
symlinks but to improve safety. The fact that you have experienced a change
in behaviour probably means there is a bug in the
new SymlinkAllowedResourceAliasChecker implementation.

For now you should be able to revert to the previous behaviour by adding
the AllowSymLinkAliasChecker which has now been deprecated. But we will try
to get a fix out in the upcoming 10.0.8 release.

cheers

On Mon, Nov 29, 2021 at 12:39 PM Silvio Bierman <[email protected]>
wrote:

> Hi Lachlan,
>
> An additional observation:
>
> Th symbolic link helps us (among other things) to use the same
> configuration properties in various development and testing environments as
> we use in most production environments. I manually modified one development
> configuration to not use the symbolic link and upgraded it to Jetty 10.0.7.
> And as you expected that does work correctly.
>
> Can you explain to me what the issue is with having symbolic links in
> paths and what the consequence would be if I turned off this behavior in
> production? I would expect symbolic links in paths to be transparent to the
> application.
>
> Kind regards,
>
> Silvio
>
>
> On 11/29/21 00:53, Lachlan Roberts wrote:
>
> Hi Silvio,
>
> Do you have any symlink in the path to these static resources? If so, this
> could be related to the AliasChecker changes. You can test if this is
> related to the AliasCheckers by adding the `ContextHandler.ApproveAliases`
> to the `ContextHandler` and see if you still get the 404's. But even if
> this fixes it, do not add `ContextHandler.ApproveAliases` to your
> production code.
>
> Would you be able to post a simple reproducer that works on 10.0.6 but not
> on 10.0.7?
>
> cheers,
> Lachlan
>
> On Sun, Nov 28, 2021 at 2:40 AM Silvio Bierman <
> [email protected]> wrote:
>
>> Hello all,
>>
>> I use an embedded Jetty 10 server. My server setup code adds a number of
>> ContextHandlers that each wrap a ResourceHandler to server static
>> content on paths like /images and /scripts etc. Finally a single
>> ServletContextHandler that wraps a ServletHolder is added at / to handle
>> all other requests.
>>
>> This same setup code has been used through various Jetty versions (with
>> some slight modifications for major version jumps) and has worked fine
>> up until Jetty 10.0.6. But starting from Jetty 10.0.7 it no longer works
>> because requests for the static contents all result in 404 errors.
>>
>> Did anything change in the 10.0.7 release that could explain this? I did
>> not see anything in the change log that sounds remotely related but I
>> could be wrong.
>>
>> Thanks,
>>
>> Silvio
>>
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