On 05/10/2023 12:10, koteswara Rao Gundapaneni wrote:
Here is my Tomcat environment details

java version "1.8.0_202"
Apache Ant(TM) version 1.10.13
Windows 10 Pro
apache-tomcat-10.1.12-src

Tomcat 10.1.x requires a minimum of Java 11 to build.

Mark





On Thu, Oct 5, 2023 at 3:10 AM Mark Thomas <ma...@apache.org> wrote:

On 05/10/2023 10:32, koteswara Rao Gundapaneni wrote:
I am getting the build failure for the tomcat 10.1.x, as I dig in I find
the below is the root cause

[javac]

E:\apache-tomcat-10.1.12-src\apache-tomcat-10.1.12-src\webapps\examples\WEB-INF\classes\websocket\drawboard\DrawboardEndpoint.java:168:
error: cannot infer type arguments for Whole<T>
      [javac]             new MessageHandler.Whole<>() {
      [javac]                                     ^
      [javac]   reason: cannot use '<>' with anonymous inner classes
      [javac]   where T is a type-variable:
      [javac]     T extends Object declared in interface Whole
      [javac] 1 error


Please help how to overcome this error

How are you building Tomcat to get this error.

A clean build of 10.1.x works for me.
- Ant 1.10.13
- Java 11.0.20 (Temurin)

Mark

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