https://bz.apache.org/bugzilla/show_bug.cgi?id=69623
Bug ID: 69623
Summary: regression between 9.0.27 and 9.0.29:
UnknownServiceException: no content-type
Product: Tomcat 9
Version: 9.0.29
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: cri...@kth.se
Target Milestone: -----
something seems to have changed in the classloader available to webapps just
after version 9.0.27
We used to load files from WEB-INF/classes/fileName.mdd (i.e. a custom
extension) using:
this.getClass().getClassLoader().getResource(filePath).getContent();
This code used to work in versions <= 9.0.27 but it fails in 9.0.29 and later
(and a few late 8 versions)
java.net.UnknownServiceException: no content-type
at java.net.URLConnection.getContentHandler(URLConnection.java:1241)
at java.net.URLConnection.getContent(URLConnection.java:740)
at java.net.URL.getContent(URL.java:1081)
Tested this regression with a number of Java runtimes from versions 8 to 23.
Checked the Tomcat changelog and I cannot find any change at 9.0.28 or 9.0.29
that looks related to the classloader. So I wonder what Tomcat change could
have lead to this, and whether the change is intended.
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