[jboss-jira] [JBoss JIRA] (WFLY-11722) Internal Server Error (500) when using directory-listing in FileHandler

[Ingo Weiss (Jira)]

     [ https://issues.jboss.org/browse/WFLY-11722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ingo Weiss resolved WFLY-11722.
-------------------------------
    Resolution: Done


> Internal Server Error (500) when using directory-listing in FileHandler
> -----------------------------------------------------------------------
>
>                 Key: WFLY-11722
>                 URL: https://issues.jboss.org/browse/WFLY-11722
>             Project: WildFly
>          Issue Type: Bug
>          Components: Web (Undertow)
>    Affects Versions: 15.0.1.Final
>            Reporter: Adam Krajcik
>            Assignee: Ingo Weiss
>            Priority: Minor
>
> When I added a bad symlink to the *welcome-content* and allowed *directory-listing* in the file handler of the *welcome-content* server returns Internal Server Error (500) when accessing the folder containing the bad symlink. However, no exception is logged in the output on WildFly.
> I also tried to use simple  example application - _File Serving_ from [Undertow Examples|https://github.com/undertow-io/undertow/tree/master/examples] where I can see the following exception when accessing the directory with the bad symlink:
> {code}
> java.lang.RuntimeException: java.nio.file.NoSuchFileException: /home/akrajcik/Pictures/pictures
> 	at io.undertow.server.handlers.resource.PathResource.getLastModified(PathResource.java:62)
> 	at io.undertow.server.handlers.resource.DirectoryUtils.renderDirectoryListing(DirectoryUtils.java:139)
> 	at io.undertow.server.handlers.resource.DirectoryUtils.renderDirectoryListing(DirectoryUtils.java:162)
> 	at io.undertow.server.handlers.resource.ResourceHandler$1.handleRequest(ResourceHandler.java:233)
> 	at io.undertow.server.Connectors.executeRootHandler(Connectors.java:364)
> 	at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1160)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
> 	at java.lang.Thread.run(Thread.java:811)
> Caused by: java.nio.file.NoSuchFileException: /home/akrajcik/Pictures/pictures
> 	at sun.nio.fs.UnixException.translateToIOException(UnixException.java:98)
> 	at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:114)
> 	at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:119)
> 	at sun.nio.fs.UnixFileAttributeViews$Basic.readAttributes(UnixFileAttributeViews.java:67)
> 	at sun.nio.fs.UnixFileSystemProvider.readAttributes(UnixFileSystemProvider.java:156)
> 	at sun.nio.fs.LinuxFileSystemProvider.readAttributes(LinuxFileSystemProvider.java:111)
> 	at java.nio.file.Files.readAttributes(Files.java:1748)
> 	at java.nio.file.Files.getLastModifiedTime(Files.java:2277)
> 	at io.undertow.server.handlers.resource.PathResource.getLastModified(PathResource.java:60)
> 	... 8 more
> {code}



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