Dear all,

I developed a tool which allows an optional selection as input amongst others. It works quite neat if I run it via "Analyse Data".
Actually, it only breaks in one condition:
If I try to run it "as a Workflow" and set the "multiple selection input" to be set at runtime AND do not select anything at runtime it'll raise a Cheetah error. Even if I select nothing but prior to runtime as workflow it works fine again.


The multiple selection is based on a data table/ loc-file.

Any ideas?

Cheers,
Christan


relevant tool specification snippet:
---------------------------------------------

[...]
<param [...] type="select" optional="true" multiple="true" display="checkboxes" [...]>
        <options from_data_table="fmi_[...]"/>
    </param>
[...]


Cheetah error:
--------------------

Traceback (most recent call last):
File "[...]/galaxy/galaxy_dist/lib/galaxy/jobs/runners/__init__.py", line 123, in prepare_job
    job_wrapper.prepare()
File "[...]/galaxy/galaxy_dist/lib/galaxy/jobs/__init__.py", line 702, in prepare
    self.command_line = self.tool.build_command_line( param_dict )
File "[...]/galaxy/galaxy_dist/lib/galaxy/tools/__init__.py", line 2639, in build_command_line
    command_line = fill_template( self.command, context=param_dict )
File "[...]/galaxy/galaxy_dist/lib/galaxy/util/template.py", line 9, in fill_template
    return str( Template( source=template_text, searchList=[context] ) )
File "[...]/galaxy/galaxy_dist/eggs/Cheetah-2.2.2-py2.6-linux-x86_64-ucs4.egg/Cheetah/Template.py", line 1004, in __str__
    return getattr(self, mainMethName)()
File "cheetah_DynamicallyCompiledCheetahTemplate_1391423600_85_54475.py", line 89, in respond File "cheetah_DynamicallyCompiledCheetahTemplate_1391423600_85_54475.py", line 89, in <lambda>
IndexError: list index out of range


Galaxy:
----------
changeset:   11219:5c789ab4144a
branch:      stable



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