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From "Tobias Schulte (JIRA)" <j...@apache.org>
Subject [jira] Commented: (JEXL-101) Vararg methods where the first argument is no vararg can not be called with only the fixed parameters given
Date Mon, 03 May 2010 08:42:57 GMT

    [ https://issues.apache.org/jira/browse/JEXL-101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12863274#action_12863274
] 

Tobias Schulte commented on JEXL-101:
-------------------------------------

I wanted to give another example, that shows the real problem, but it seems that java.util.Formatter,
where i thought would be a problem, itself is not consistent.

{code:java}formatter.format("%1$s", null);{code}
outputs "null"

{code:java}formatter.format("%1$s %2$s %3$s", null);{code}
outputs "null null null" (but should throw a MissingFormatArgumentException, at least if I
understand the documentation correctly)

but

{code:java}formatter.format("%1$s %2$s %3$s", null, null);{code}
throws a MissingFormatArgumentException. 

Since we are using formatters I thought your optimization in MethodExecutor would cause MissingFormatArgumentExceptions,
which it does not seem to do.

But nontheless I would expect callMixed(1, null) to be equal to callMixed(1, new Integer[]{null}).

> Vararg methods where the first argument is no vararg can not be called with only the
fixed parameters given
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: JEXL-101
>                 URL: https://issues.apache.org/jira/browse/JEXL-101
>             Project: Commons JEXL
>          Issue Type: Bug
>    Affects Versions: 2.0.1
>            Reporter: Tobias Schulte
>            Assignee: Henri Biestro
>             Fix For: 2.0.2
>
>         Attachments: jexl-varargs.patch
>
>
> When you have a public String testVarArgsMixed(Integer fixed, Integer[] args) in a class
Test, put a test instance in the context and evaluate the expression test.testVarArgsMixed(1),
the MethodExecutor is not able to find the method.

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