The Apache Tomcat team announces the immediate availability of Apache
Tomcat 10.1.5.

Apache Tomcat 10 is an open source software implementation of the
Jakarta Servlet, Jakarta Server Pages, Jakarta Expression Language,
Jakarta WebSocket, Jakarta Authentication and Jakarta Annotations

Applications that run on Tomcat 9 and earlier will not run on Tomcat 10 without changes. Java EE applications designed for Tomcat 9 and earlier may be placed in the $CATALINA_BASE/webapps-javaee directory and Tomcat will automatically convert them to Jakarta EE and copy them to the webapps directory. This conversion is performed using the Apache Tomcat migration tool for Jakarta EE tool which is also available as a separate download for off-line use.

The notable changes compared to 10.1.4 include:

- Correct a regression in the refactoring that replaced the use of the
  URL constructors. The regression broke lookups for resources that
  contained one or more characters in their name that required escaping
  when used in a URI path.

- When resetting an HTTP/2 stream because the final response has been
  generated before the request has been fully read, use the HTTP/2 error
  code NO_ERROR so that client does not discard the response. Based on a
  suggestion by Lorenzo Dalla Vecchia.

- Change the default of the org.apache.el.GET_CLASSLOADER_USE_PRIVILEGED
  system property to true unless the EL library is running on Tomcat in
  which case the default remains false as the EL library is already
  called from within a privileged block and skipping the unnecessary
  privileged block improves performance.

Please refer to the change log for the complete list of changes:


Migration guides from Apache Tomcat 8.5.x and 9.0.x:


- The Apache Tomcat team

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