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  Error:  000819: The tool is not assigned when running a Python toolbox in background geoprocessing

【相关信息】
Article ID: 40933
Software:
ArcGIS for Desktop Advanced 10.1
ArcGIS for Desktop Standard 10.1
ArcGIS for Desktop Basic 10.1
Platforms:
Windows XP, Server 2003, Windows 8, Server 2012, Vista, Server 2008, Windows 7

【错误信息】
After installing the 64-bit Background Geoprocessing Upgrade, and running a Python toolbox in the background, the following error is shown in the results window and the tool fails to run:

"Error 000819: The tool is not assigned."



【错误原因】
A third-party Python module that is referenced in the toolbox is not installed in the 64-bit Python folder for access by background geoprocessing. When the Python toolbox tool is run, 64-bit background geoprocessing cannot access the module in the 32-bit Python folder.

The toolbox appears to be valid with correct syntax because ArcGIS has access to the 32-bit modules, but does not check for the 64-bit modules.
2015-11-26 添加评论
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    【解决方案】
    Install a 64-bit version of the third party module in the 64-bit Python folder.


    -OR- 
    Edit the Python toolbox's tools so they always run in the foreground by assigning the "self.canRunInBackground" line of code with False. For example:
    class Tool(object):
    
    def __init__(self):
    
        """Define the tool (tool name is the name of the class)."""
    
        self.label = "Tool"
    
        self.description = ""
    
        self.canRunInBackground = False



    【创建及修改时间】
    Created: 3/12/2013

    Last Modified: 8/6/2013
    【原文链接】
    http://support.esri.com/en/kno ... 40933
    回复时间：2015-12-04 03:31:48 0 0
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