[gant-scm] [jira] Created: (GANT-84) groovy.lang.MissingMethodException provides no information on location

groovy.lang.MissingMethodException provides no information on location
----------------------------------------------------------------------

                 Key: GANT-84
                 URL: http://jira.codehaus.org/browse/GANT-84
             Project: Gant
          Issue Type: Improvement
    Affects Versions: 1.6.1
            Reporter: Bob Swift


I often get messages like this which requires some effort to figure out what caused the problem.  If I monitor for the exception and get a stack trace, it still only narrows the search a bit.

groovy.lang.MissingMethodException: No signature of method: java.lang.String.positive() is applicable for argument types: () values: {}

Regular groovy seems to do better with given a location.



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Russel Winder commented on GANT-84:
-----------------------------------

Is there a small example that you find particularly irritating?  If so maybe we can use it to drive investigation.

> groovy.lang.MissingMethodException provides no information on location
> ----------------------------------------------------------------------
>
>                 Key: GANT-84
>                 URL: http://jira.codehaus.org/browse/GANT-84
>             Project: Gant
>          Issue Type: Improvement
>    Affects Versions: 1.6.1
>            Reporter: Bob Swift
>
> I often get messages like this which requires some effort to figure out what caused the problem.  If I monitor for the exception and get a stack trace, it still only narrows the search a bit.
> groovy.lang.MissingMethodException: No signature of method: java.lang.String.positive() is applicable for argument types: () values: {}
> Regular groovy seems to do better with given a location.

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Bob Swift commented on GANT-84:
-------------------------------

{noformat}
def x = 'a'
        + 'b'
{noformat}

> groovy.lang.MissingMethodException provides no information on location
> ----------------------------------------------------------------------
>
>                 Key: GANT-84
>                 URL: http://jira.codehaus.org/browse/GANT-84
>             Project: Gant
>          Issue Type: Improvement
>    Affects Versions: 1.6.1
>            Reporter: Bob Swift
>
> I often get messages like this which requires some effort to figure out what caused the problem.  If I monitor for the exception and get a stack trace, it still only narrows the search a bit.
> groovy.lang.MissingMethodException: No signature of method: java.lang.String.positive() is applicable for argument types: () values: {}
> Regular groovy seems to do better with given a location.

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     [ http://jira.codehaus.org/browse/GANT-84?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Russel Winder updated GANT-84:
------------------------------

    Fix Version/s: 1.8.0

> groovy.lang.MissingMethodException provides no information on location
> ----------------------------------------------------------------------
>
>                 Key: GANT-84
>                 URL: http://jira.codehaus.org/browse/GANT-84
>             Project: Gant
>          Issue Type: Improvement
>    Affects Versions: 1.6.1
>            Reporter: Bob Swift
>             Fix For: 1.8.0
>
>
> I often get messages like this which requires some effort to figure out what caused the problem.  If I monitor for the exception and get a stack trace, it still only narrows the search a bit.
> groovy.lang.MissingMethodException: No signature of method: java.lang.String.positive() is applicable for argument types: () values: {}
> Regular groovy seems to do better with given a location.

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Russel Winder commented on GANT-84:
-----------------------------------

I suspect the example may not exibit the behaviour being complained about.  Executing the code as a Gant script:
{quote}
|> gant
Error evaluating Gantfile: No signature of method: java.lang.String.positive() is applicable for argument types: () values: []
|>
{quote}
Executing it as a Groovy script:
{quote}
|> groovy build.gant
Caught: org.codehaus.groovy.runtime.metaclass.MissingMethodExceptionNoStack: No signature of method: java.lang.String.positive() is applicable for argument types: () values: []
|>
{quote}
So no line numbers there either.  I think Gant's behaviour here is predicated by Groovy's behaviour, so I am tempted to mark this as "Not A Bug".  However, it maybe that there is a better example that highlights the problem?

Interestingly, the script can be compiled:
{quote}
|> groovyc build.gant
|>
{quote}
I wonder if there is a Groovy bug here?

> groovy.lang.MissingMethodException provides no information on location
> ----------------------------------------------------------------------
>
>                 Key: GANT-84
>                 URL: http://jira.codehaus.org/browse/GANT-84
>             Project: Gant
>          Issue Type: Improvement
>    Affects Versions: 1.6.1
>            Reporter: Bob Swift
>             Fix For: 1.8.0
>
>
> I often get messages like this which requires some effort to figure out what caused the problem.  If I monitor for the exception and get a stack trace, it still only narrows the search a bit.
> groovy.lang.MissingMethodException: No signature of method: java.lang.String.positive() is applicable for argument types: () values: {}
> Regular groovy seems to do better with given a location.

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Russel Winder commented on GANT-84:
-----------------------------------

Are this and GANT-78 expressions of the same problem?

> groovy.lang.MissingMethodException provides no information on location
> ----------------------------------------------------------------------
>
>                 Key: GANT-84
>                 URL: http://jira.codehaus.org/browse/GANT-84
>             Project: Gant
>          Issue Type: Improvement
>    Affects Versions: 1.6.1
>            Reporter: Bob Swift
>             Fix For: 1.8.0
>
>
> I often get messages like this which requires some effort to figure out what caused the problem.  If I monitor for the exception and get a stack trace, it still only narrows the search a bit.
> groovy.lang.MissingMethodException: No signature of method: java.lang.String.positive() is applicable for argument types: () values: {}
> Regular groovy seems to do better with given a location.

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     [ http://jira.codehaus.org/browse/GANT-84?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Russel Winder updated GANT-84:
------------------------------

    Component/s: Core

> groovy.lang.MissingMethodException provides no information on location
> ----------------------------------------------------------------------
>
>                 Key: GANT-84
>                 URL: http://jira.codehaus.org/browse/GANT-84
>             Project: Gant
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 1.6.1
>            Reporter: Bob Swift
>             Fix For: 1.8.0
>
>
> I often get messages like this which requires some effort to figure out what caused the problem.  If I monitor for the exception and get a stack trace, it still only narrows the search a bit.
> groovy.lang.MissingMethodException: No signature of method: java.lang.String.positive() is applicable for argument types: () values: {}
> Regular groovy seems to do better with given a location.

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     [ http://jira.codehaus.org/browse/GANT-84?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Russel Winder resolved GANT-84.
-------------------------------

    Resolution: Fixed

This issue was rasied as GROOVY-3777 and has been fixed (for Groovy 1.6.5 and Groovy 1.7-beta-2), so marking this as resolved.

> groovy.lang.MissingMethodException provides no information on location
> ----------------------------------------------------------------------
>
>                 Key: GANT-84
>                 URL: http://jira.codehaus.org/browse/GANT-84
>             Project: Gant
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 1.6.1
>            Reporter: Bob Swift
>             Fix For: 1.8.0
>
>
> I often get messages like this which requires some effort to figure out what caused the problem.  If I monitor for the exception and get a stack trace, it still only narrows the search a bit.
> groovy.lang.MissingMethodException: No signature of method: java.lang.String.positive() is applicable for argument types: () values: {}
> Regular groovy seems to do better with given a location.

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     [ http://jira.codehaus.org/browse/GANT-84?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Russel Winder closed GANT-84.
-----------------------------

> groovy.lang.MissingMethodException provides no information on location
> ----------------------------------------------------------------------
>
>                 Key: GANT-84
>                 URL: http://jira.codehaus.org/browse/GANT-84
>             Project: Gant
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 1.6.1
>            Reporter: Bob Swift
>             Fix For: 1.8.0
>
>
> I often get messages like this which requires some effort to figure out what caused the problem.  If I monitor for the exception and get a stack trace, it still only narrows the search a bit.
> groovy.lang.MissingMethodException: No signature of method: java.lang.String.positive() is applicable for argument types: () values: {}
> Regular groovy seems to do better with given a location.

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