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https://issues.apache.org/jira/browse/MDEP-679?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17064230#comment-17064230
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Elliotte Rusty Harold commented on MDEP-679:
--------------------------------------------
Just mentioning that you shouldn't rely on mvn dependency:analyze as an
ultimate source of truth. Once reflection gets mixed in, it's probably
impossible to be 100% sure whether a dependency is or isn't used based on
static analysis of the JARs. I suspect it's equivalent to the the halting
problem.
> mvn dependency:analyze detected wrong transitive dependency
> -----------------------------------------------------------
>
> Key: MDEP-679
> URL: https://issues.apache.org/jira/browse/MDEP-679
> Project: Maven Dependency Plugin
> Issue Type: Bug
> Components: analyze
> Affects Versions: 3.1.1
> Reporter: John Lin
> Priority: Minor
> Time Spent: 10m
> Remaining Estimate: 0h
>
> To illustrate this issue, I created a sample project here:
> [https://github.com/johnlinp/misc-demo/tree/master/maven-dependency-analyze-dnsjava]
> The dependency tree is like this:
> {code:java}
> My app ---> ApacheJMeter_http ---> dnsjava
> {code}
> I didn't use any code directly from the artifact {{dnsjava}} in my app. I
> only used {{ApacheJMeter_http}}. However, the command {{mvn
> dependency:analyze}} will report a used undeclared dependency: {{dnsjava}}.
> {code:java}
> [INFO] --- maven-dependency-plugin:3.1.1:analyze (default-cli) @
> maven-dependency-analyze-dnsjava ---
> [WARNING] Used undeclared dependencies found:
> [WARNING] dnsjava:dnsjava:jar:2.1.9:runtime {code}
> It seems that the problem came from the line:
> {code:java}
> map.put("update", null);
> {code}
> If I change it into {{map.put("create", null);}} or even {{map.put("UPDATE",
> null);}}, the problem will disappear. Therefore, I think there might be
> something to do with the string "update".
> Note that this issue is not reproducible in maven-dependency-plugin:2.8.
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