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From Mark Thomas <>
Subject [ANN] Apache Tomcat 9.0.33 available
Date Tue, 17 Mar 2020 14:05:44 GMT
The Apache Tomcat team announces the immediate availability of Apache
Tomcat 9.0.33.

Apache Tomcat 9 is an open source software implementation of the Java
Servlet, JavaServer Pages, Java Unified Expression Language, Java
WebSocket and JASPIC technologies.

Apache Tomcat 9.0.33 is a bugfix and feature release. The notable
changes compared to 9.0.31 include:

- Add new attribute persistAuthentication to both StandardManager and
  PersistentManager to support authentication persistence.
  Patch provided by Carsten Klein

- A zero length AJP secret will now behave as if it has not been

- Add the TLS request attributes used by IIS to the attributes that
  an AJP Connector will always accept.

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


Migration guides from Apache Tomcat 7.x and 8.x:


- The Apache Tomcat team

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