[jira] [Created] (MCOMPILER-260) Incorrect behavior when multiple number 's have the same value

[Anthony Vanelverdinghe (JIRA)]

Anthony Vanelverdinghe created MCOMPILER-260:
------------------------------------------------

             Summary: Incorrect <compilerArgs> behavior when multiple number 
<arg>'s have the same value
                 Key: MCOMPILER-260
                 URL: https://issues.apache.org/jira/browse/MCOMPILER-260
             Project: Maven Compiler Plugin
          Issue Type: Bug
    Affects Versions: 3.3
         Environment: JDK 1.8.0_45
Maven 3.3.1
            Reporter: Anthony Vanelverdinghe


The following configuration:

<compilerArgs>
    <arg>-Xmaxwarns</arg>
    <arg>7</arg>
    <arg>-Xmaxerrs</arg>
    <arg>7</arg>
</compilerArgs>

always fails, because the last 7 is not passed to javac. However, changing any 
of the numbers so that they're not equal, makes it succeed. Another case where 
it may succeed, is when an additional argument is appended. For example the 
following succeeds:

<compilerArgs>
    <arg>-Xmaxwarns</arg>
    <arg>7</arg>
    <arg>-Xmaxerrs</arg>
    <arg>7</arg>
    <arg>-Werror</arg>
</compilerArgs>

However, this is not always the case. For example, the following fails:

<compilerArgs>
    <arg>-Xmaxwarns</arg>
    <arg>7</arg>
    <arg>-source</arg>
    <arg>7</arg>
    <arg>-Werror</arg>
</compilerArgs>

Also note that the numbers do not necessarily have to be adjacent, e.g. the 
following fails as well:

<compilerArgs>
    <arg>-Xmaxwarns</arg>
    <arg>7</arg>
    <arg>-source</arg>
    <arg>1.5</arg>
    <arg>-Xmaxerrs</arg>
    <arg>7</arg>
</compilerArgs>




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