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https://issues.apache.org/jira/browse/MTOOLCHAINS-49?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17822619#comment-17822619
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ASF GitHub Bot commented on MTOOLCHAINS-49:
-------------------------------------------
gnodet commented on code in PR #14:
URL:
https://github.com/apache/maven-toolchains-plugin/pull/14#discussion_r1509160636
##########
src/site/apt/toolchains/discovery.apt.vm:
##########
@@ -0,0 +1,148 @@
+~~ Licensed to the Apache Software Foundation (ASF) under one
+~~ or more contributor license agreements. See the NOTICE file
+~~ distributed with this work for additional information
+~~ regarding copyright ownership. The ASF licenses this file
+~~ to you under the Apache License, Version 2.0 (the
+~~ "License"); you may not use this file except in compliance
+~~ with the License. You may obtain a copy of the License at
+~~
+~~ http://www.apache.org/licenses/LICENSE-2.0
+~~
+~~ Unless required by applicable law or agreed to in writing,
+~~ software distributed under the License is distributed on an
+~~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+~~ KIND, either express or implied. See the License for the
+~~ specific language governing permissions and limitations
+~~ under the License.
+
+ ------
+ Discovery mechanism
+ ------
+ Guillaume Nodet
+ ------
+ 2024-02-28
+ ------
+
+JDK Toolchain discovery mechanism
+
+ Since version 3.2.0, the plugin provides a heuristic to discover installed
JDK toolchains, by looking
+ at known installation directories and at environment variables.
+
+ The list of discovered toolchains can be easily displayed using the command
+ <<<mvn
org.apache.maven.plugins:maven-toolchains-plugin:${project.version}:display-discovered-jdk-toolchains>>>.
+ This will print something like:
+
++---+
+[INFO] Discovered 10 JDK toolchains:
+[INFO] - /Users/gnodet/.sdkman/candidates/java/21.0.2-graalce
+[INFO] provides:
+[INFO] version: 21.0.2
+[INFO] runtime.name: OpenJDK Runtime Environment
+[INFO] runtime.version: 21.0.2+13-jvmci-23.1-b30
+[INFO] vendor: GraalVM Community
+[INFO] vendor.version: GraalVM CE 21.0.2+13.1
+[INFO] current: true
+[INFO] lts: true
+[INFO] env: JAVA_HOME,JAVA21_HOME
+...
++---+
+
+ If you have installed JDK using standard tools and they are not listed here,
feel free
Review Comment:
Yes, exactly as pointed by @mthmulders with scoop installer on windows.
Given this is a heuristic, it can be improve over time. I'll rephrase.
> Automatic discovery of JDK toolchains
> -------------------------------------
>
> Key: MTOOLCHAINS-49
> URL: https://issues.apache.org/jira/browse/MTOOLCHAINS-49
> Project: Maven Toolchains Plugin
> Issue Type: Improvement
> Reporter: Guillaume Nodet
> Assignee: Guillaume Nodet
> Priority: Major
>
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