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https://issues.apache.org/jira/browse/MNG-6337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16322669#comment-16322669
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Robert Scholte commented on MNG-6337:
-------------------------------------
Maven makes use of CDI. If you take a look at [the
source|https://maven.apache.org/ref/3.5.2/maven-core/xref/org/apache/maven/settings/DefaultMavenSettingsBuilder.html]
you'll see some Plexus Annotations. The @Requires annotation is equivalent to
@Inject.
These classes are not intended to be created without a CDI container.
I tend to close this as "Won't Fix", making all code accessible by constructor
alone would come with a lot of unnecessary overhead.
> NPE on usage of DefaultMavenSettingsBuilder
> -------------------------------------------
>
> Key: MNG-6337
> URL: https://issues.apache.org/jira/browse/MNG-6337
> Project: Maven
> Issue Type: Bug
> Components: core
> Affects Versions: 3.5.2
> Reporter: Dominic Monroe
> Attachments: mng-6337-1.patch
>
>
> Basic usage of the class results in an error. I am not writing java, but I
> have tried to translate.
> {code:title=Bar.java|borderStyle=solid}
> DefaultMavenSettingsBuilder x = new DefaultMavenSettingsBuilder();
> x.buildSettings();
> {code}
> This is the stacktrace, sorry that there is frames mixed in:
> {code}
> java.lang.NullPointerException
> at
> org.apache.maven.settings.DefaultMavenSettingsBuilder.build(DefaultMavenSettingsBuilder.java:90)
> at
> org.apache.maven.settings.DefaultMavenSettingsBuilder.buildSettings(DefaultMavenSettingsBuilder.java:76)
> at
> org.apache.maven.settings.DefaultMavenSettingsBuilder.buildSettings(DefaultMavenSettingsBuilder.java:56)
> at user$eval3.invokeStatic(NO_SOURCE_FILE:2)
> at user$eval3.invoke(NO_SOURCE_FILE:2)
> at clojure.lang.Compiler.eval(Compiler.java:6927)
> at clojure.lang.Compiler.eval(Compiler.java:6890)
> at clojure.core$eval.invokeStatic(core.clj:3105)
> at clojure.core$eval.invoke(core.clj:3101)
> at
> clojure.main$repl$read_eval_print__7408$fn__7411.invoke(main.clj:240)
> at clojure.main$repl$read_eval_print__7408.invoke(main.clj:240)
> at clojure.main$repl$fn__7417.invoke(main.clj:258)
> at clojure.main$repl.invokeStatic(main.clj:258)
> at clojure.main$repl_opt.invokeStatic(main.clj:322)
> at clojure.main$main.invokeStatic(main.clj:421)
> at clojure.main$main.doInvoke(main.clj:384)
> at clojure.lang.RestFn.invoke(RestFn.java:397)
> at clojure.lang.Var.invoke(Var.java:375)
> at clojure.lang.AFn.applyToHelper(AFn.java:152)
> at clojure.lang.Var.applyTo(Var.java:700)
> at clojure.main.main(main.java:37)
> {code}
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