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https://issues.apache.org/jira/browse/MPOM-44?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Stevo Slavic updated MPOM-44:
-----------------------------
Attachment: MPOM-44-extended.patch
Attaching [^MPOM-44-extended.patch], an extended and more complete variant of
the fix which changes both Apache parent POM and Maven parent POM.
Patch also includes version bump to latest ones of all the plugins which are
managed/used throughout Apache and Maven POMs, and a touch of DRYness as well.
> Compiler version settings cannot be overridden by defining
> maven.compiler.source/target
> ---------------------------------------------------------------------------------------
>
> Key: MPOM-44
> URL: https://issues.apache.org/jira/browse/MPOM-44
> Project: Maven POMs
> Issue Type: Bug
> Components: maven-plugins
> Affects Versions: ASF-13
> Reporter: Sebb
> Attachments: MPOM-44-extended.patch, MPOM-44.patch
>
>
> The compiler plugin by default picks up the source and target from the
> properties
> maven.compiler.source and maven.compiler.target.
> Unfortunately, the Apache POM uses the following fixed values to specify the
> version:
> {code}
> <build>
> <pluginManagement>
> <plugins>
> <plugin>
> <groupId>org.apache.maven.plugins</groupId>
> <artifactId>maven-compiler-plugin</artifactId>
> <version>2.5.1</version>
> <configuration>
> <source>1.4</source>
> <target>1.4</target>
> </configuration>
> {code}
> This means that child poms which use the properties expecting them to be
> honoured have to override the configuration as follows:
> {code}
> <plugin>
> <groupId>org.apache.maven.plugins</groupId>
> <artifactId>maven-compiler-plugin</artifactId>
> <configuration>
> <source>${maven.compile.source}</source>
> <target>${maven.compile.target}</target>
> </configuration>
> </plugin>
> {code}
> This is unnecessary and wrong.
> For compatibility, the Apache Pom does need to still specify the default
> source/target as 1.4 (the plugin default is 1.5), but it should do so by
> using the standard properties which can then be overridden.
> In fact, if the properties are defined, the compiler plugin config could be
> dropped, as it is the default behaviour.
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