[jira] Closed: (MCOMPILER-145) Compiler: ${non-existent} resolved as "null", should emit a warning.

["Robert Scholte (JIRA)" <ji...@codehaus.org>]

     [ https://jira.codehaus.org/browse/MCOMPILER-145?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Scholte closed MCOMPILER-145.
------------------------------------

    Resolution: Not A Bug
      Assignee: Robert Scholte

Such expressions are resolved by Maven, not by the plugin. For the plugin it is not possible to determine if the value contained an expression or not, it just gets the resolved value.

> Compiler: <executable>${non-existent}</executable> resolved as "null", should emit a warning.
> ---------------------------------------------------------------------------------------------
>
>                 Key: MCOMPILER-145
>                 URL: https://jira.codehaus.org/browse/MCOMPILER-145
>             Project: Maven 2.x Compiler Plugin
>          Issue Type: Bug
>            Reporter: Ondrej Zizka
>            Assignee: Robert Scholte
>            Priority: Trivial
>
> When having the following in a profile,
>             		<plugin>
>                 		<groupId>org.apache.maven.plugins</groupId>
>                 		<artifactId>maven-compiler-plugin</artifactId>
>                 		<configuration>
>                     		<source>1.6</source>
>                     		<target>1.6</target>
>                     		<compilerVersion>1.6</compilerVersion>
>                     		<executable>${jdk16_home}/bin/javac</executable>
>                     		<fork>true</fork>
>                     		<verbose>true</verbose>
>                 		</configuration>
>             		</plugin>
> the build with ${jdk16_home} not set would fail with:
>     Embedded error: Error while executing the external compiler.
>     java.io.IOException: null/bin/javac: not found
> I think that the unresolved property should emit a warning rather than being converted to "null" since that is harder to track the issue down that way.

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