Duplicate compiler errors
-------------------------
Key: MNG-3733
URL: http://jira.codehaus.org/browse/MNG-3733
Project: Maven 2
Issue Type: Bug
Affects Versions: 2.0.7
Reporter: Trevor Harmon
Priority: Minor
I often get duplicate Java compiler errors when building with Maven. Here's how
to reproduce:
mvn archetype:create -DarchetypeGroupId=org.apache.maven.archetypes
-DgroupId=com.mycompany.app -DartifactId=my-app
Then change App.java to this:
package com.mycompany.app;
interface Foo {
void bar();
}
public class App implements Foo {}
Running "mvn compile" at this point produces:
...
[INFO] Compilation failure
/Users/trevor/Desktop/test/maven/my-app/src/main/java/com/mycompany/app/App.java:[7,7]
com.mycompany.app.App is not abstract and does not override abstract method
bar() in com.mycompany.app.Foo
/Users/trevor/Desktop/test/maven/my-app/src/main/java/com/mycompany/app/App.java:[7,7]
com.mycompany.app.App is not abstract and does not override abstract method
bar() in com.mycompany.app.Foo
...
Compiling the same code with javac gives only one.
Seems like a bug in Maven itself. It is logging both the exception and the
nested compile exception (shown by running with -e). It should just show the
actual failure.
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