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[#12288] Doc: <activation> limit on resolver-config profiles #1602

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ascheman merged 2 commits into from
Jul 18, 2026
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[#12288] Doc: <activation> limit on resolver-config profiles #1602

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0874f09
[#12288] Doc <activation> limit on resolver props
ascheman Jun 17, 2026
b01f578
[#12288] Address Copilot review: fix typo + split NOTICE for readability
Jun 23, 2026
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2 changes: 2 additions & 0 deletions content/markdown/guides/introduction/introduction-to-profiles.md
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Expand Up @@ -126,6 +126,8 @@ Example to set a profile active by default.
</profiles>
```

**Note for resolver configuration:** When configuring [Maven Resolver](../mini/guide-resolver-transport.html#system-level) low-level options (`aether.*` system properties) in a `settings.xml` profile, `<activeByDefault>true</activeByDefault>` does **not** suffice -- the resolver session is built before profile activation conditions are evaluated. List the profile id under `<activeProfiles>` (or pass `-P <id>`) instead.

##### JDK

The following configuration will trigger the profile when the JDK's version _starts with_ `1.4` (for example `1.4.0_08`, `1.4.2_07`, `1.4`), in particular it _won't be active_ for **newer** versions like `1.8` or `11`:
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10 changes: 7 additions & 3 deletions content/markdown/guides/mini/guide-resolver-transport.md
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Expand Up @@ -148,10 +148,14 @@ Configuration can be provided on global level as properties in `settings.xml`
</settings>
```

**NOTICE**
- only profiles activated by `settings/activeProfiles` will be taken for consideration - you can not use `profile/activation` in such case
**NOTICE:** Only profiles activated explicitly are honored here:

You can also use environment variable `MAVEN_OPTS` ot `MAVEN_ARGS`
* via `<activeProfiles>` (the explicit list at the bottom of `settings.xml`), or
* via CLI `-P <id>`.

Profiles activated through `<activation>` conditions in the profile itself — `<activeByDefault>`, `<jdk>`, `<os>`, `<property>`, `<file>` — are **not** taken into account for the resolver session config: the resolver session is built before Maven evaluates those conditions.

You can also use environment variable `MAVEN_OPTS` or `MAVEN_ARGS`

```
export MAVEN_ARGS="-Daether.connector.http.preemptiveAuth=true"
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