https://issues.apache.org/bugzilla/show_bug.cgi?id=57287
Bug ID: 57287
Summary: Sort files listed by DefaultServlet
Product: Tomcat 8
Version: 8.0.15
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: knst.koli...@gmail.com
When DefaultServlet has file listings enabled, in Tomcat 8.0.15 and 7.0.57 it
does not sort the files.
It lists them in the order provided by the underlying resources implementation.
It is a bit harder to see on Windows, where the file system lists the files in
a sorted order, but here is a reproduction recipe
1) Unpack apache-tomcat-8.0.15.zip
2) Add the following lines to webapps/ROOT/WEB-INF/web.xml
<servlet>
<servlet-name>default</servlet-name>
<servlet-class>org.apache.catalina.servlets.DefaultServlet</servlet-class>
<init-param>
<param-name>listings</param-name>
<param-value>true</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>default</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
3) Delete file
webapps/ROOT/index.jsp
4) Create directory
webapps/ROOT/WEB-INF/lib/
and copy there the following file from source code
(apache-tomcat-8.0.15-src.zip):
/test/webapp-fragments/WEB-INF/lib/resources2.jar
5) Start Tomcat and access http://localhost:8080/
Actual behaviour:
Note that files "resourceB.jsp" and "resourceF.jsp" are listed at the end of
the file list, instead of any alphabetical order.
A mention of this issue by a user:
https://stackoverflow.com/questions/27166274/directory-listings-sort-order-in-tomcat-8
Expected behaviour:
List the files alphabetically.
Though my preference for the sort order is
a) sort case-insensitively
b) list the directories first
It could be improved by offering a configurable sort order:
a) by a parameter in the request
b) by a user cookie
Tomcat 7
=========
The same recipe reproduces the issue for Tomcat 7.0.57.
Workaround
===========
DefaultServlet can be configured to generate listing in XML and apply an XSLT
transformation to it. XSLT can perform sorting.
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