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Maven exec:exec fails to see executables
I am stumped at Maven exec plugin.
Running mvn exec:exec -Dexec.executable="curl" (or "echo") works. But when running mvn exec:exec or mvn exec:exec@b (or @a) it fails saying
The parameter 'executable' is missing or invalid
My POM's relevant part:
<plugin>
<artifactId>maven-exec-plugin</artifactId>
<version>${version-exec-maven-plugin}</version>
<configuration>
<executable>curl</executable>
</configuration>
<executions>
<execution>
<id>a</id>
<phase>compile</phase>
<goals><goal>exec</goal></goals>
</execution>
<execution>
<id>b</id>
<goals><goal>exec</goal></goals>
<configuration>
<executable>curl</executable>
</configuration>
</execution>
</executions>
</plugin>
1 answer
The groupId and artifactId are wrong (this plugin is not from Maven but from codehaus). Additionally, the configuration is not applied to the relevant execution. If you reshuffle the part like so…
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${version-exec-maven-plugin}</version>
<executions>
<execution>
<id>a</id>
<phase>compile</phase>
<goals><goal>exec</goal></goals>
<configuration>
<executable>curl</executable>
</configuration>
</execution>
<execution>
<id>b</id>
<goals><goal>exec</goal></goals>
<configuration>
<executable>curl</executable>
</configuration>
</execution>
</executions>
</plugin>
… then it should work if invoked as mvn exec:exec@a.
Running just mvn exec:exec with no execution ID specified and nothing else… probably works in some cases but is not something you should do, as you could accidentally trigger an execution buried in a parent POM somewhere or something.
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