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https://issues.apache.org/jira/browse/MNG-8177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17872454#comment-17872454
]
ASF GitHub Bot commented on MNG-8177:
-------------------------------------
slawekjaranowski commented on code in PR #1636:
URL: https://github.com/apache/maven/pull/1636#discussion_r1712173011
##########
maven-api-impl/src/main/java/org/apache/maven/internal/impl/resolver/RequestTraceHelper.java:
##########
@@ -0,0 +1,62 @@
+/*
+ * 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.
+ */
+package org.apache.maven.internal.impl.resolver;
+
+import java.util.stream.Collectors;
+
+import org.eclipse.aether.RequestTrace;
+import org.eclipse.aether.collection.CollectRequest;
+import org.eclipse.aether.collection.CollectStepData;
+import org.eclipse.aether.resolution.ArtifactDescriptorRequest;
+import org.eclipse.aether.resolution.ArtifactRequest;
+import org.eclipse.aether.resolution.DependencyRequest;
+
+/**
+ * Helper class to manage {@link RequestTrace} for better error logging.
+ */
+public final class RequestTraceHelper {
+
+ /**
+ * Method that creates some informational string based on passed in {@link
RequestTrace}. The contents of request
+ * trace can literally be anything, but this class tries to cover "most
common" cases that are happening in Maven.
+ */
+ public static String interpretTrace(boolean explain, RequestTrace
requestTrace) {
Review Comment:
`explain` is always `true`
> Warning "'dependencyManagement.dependencies.dependency.systemPath' for
> com.sun:tools:jar refers to a non-existing file
> C:\Temp\jdk-11.0.23\..\lib\tools.jar"
> ------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: MNG-8177
> URL: https://issues.apache.org/jira/browse/MNG-8177
> Project: Maven
> Issue Type: Bug
> Components: Core
> Affects Versions: 3.9.8
> Environment: Java 11
> Reporter: Wolfgang Knauf
> Assignee: Tamas Cservenak
> Priority: Minor
> Fix For: 4.0.0, 3.9.9, 4.0.0-beta-4
>
>
> This warning pops up first with Maven 3.9.8, previous versions up to 3.9.7
> did not report it:
> {{[WARNING] 1 problem was encountered while building the effective model for
> org.jboss:jboss-dmr:jar:1.3.0.Final}}
> When using the "-X" switch, I see this additional message:
> {{[WARNING] 'dependencyManagement.dependencies.dependency.systemPath' for
> com.sun:tools:jar refers to a non-existing file
> C:\Temp\jdk-11.0.23\..\lib\tools.jar. Please verify that you run Maven using
> a JDK and not just a JRE. @ org.jboss:jboss-dmr:1.3.0.Final}}
>
> I run it with JDK 11, but downloaded the zip file only. There is no
> "tools.jar", which was removed as part of Java 9.
>
> To reproduce: create a project from this archetype:
> {{mvn archetype:generate -DarchetypeCatalog=local -DgroupId=com.acme
> -DartifactId=example-subsystem -Dversion=1.0-SNAPSHOT
> -Dmodule=org.test.subsystem -Dpackage=com.acme.example
> -DarchetypeGroupId=org.wildfly.archetype
> -DarchetypeArtifactId=wildfly-subsystem -DarchetypeVersion=32.0.0.Final
> -DinteractiveMode=false}}
>
> Then run this command to see the warning:
> {{mvn dependency:tree -X}}
>
> Actually, I don't know why jboss-dmr:1.3.0 is tested, as the project should
> reference jboss-dmr:1.7.0.
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