Can only concatenate str not nonetype to str

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Sorry for bringing this up again, but the other questions haven't been answered yet in a way that would help us. I'm getting said error, but only when trying to upload the whole log file. I tried just uploading a single line, that works fine. We're currently using Splunk 6. I already checked the file, if there's any lines with more or less entries, that might result in a null value, but they all had the 12 entries we are expecting.

Can only concatenate str not nonetype to str

I hope this is posted in the right place. I am troubleshooting a script that I have been running for almost a year now which updates a hosted feature service in ArcGIS Online. We recently upgraded our ArcMap and Server to I am wondering if this update has something to do with it? Please help. Go to Solution. Dan and other's who may see this thread. A good old fashion truncate table and append worked! View solution in original post. Thank you for replying. Yes, it says line 49 in the actual script which is calling out the sdItem. Any chance this changed with our upgrade? That gets a bit difficult since you are using the arcgis module which is now at 2.

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In this article, we will discuss what the typeerror: can only concatenate str not nonetype to str error message means and why it occurs. In addition, this error occur if you are trying to concatenate a None value with a string which is the Python cannot determine the data type of the None value, leading to a TypeError. Since name has a value of None , the concatenation will result in an error due to the inability to concatenate a string with a None value. Finally, the print function is called to print the value of the greeting variable, which will fail due to the error. The first solution to solve this error is that you will need to check first the value of your variable using an if statement to avoid concatenating a None with a string. If the variable is not None , then it will concatenate the variable to a string as follows:.

I think this is confusing. In situations where the types of the operands are ambiguous i. Now, it is not completely true, because you can define a custom type which would do arbitrary things when added to str. There is even one such example in the stdlib:. Most people read English from left to right, not from the middle out. I think this problem you are having is probably ideosyncratic to your unusual reading technique. Or even at all. How do you know that the error message order must always reflect that operand order? Is that promised somewhere in the documentation?

Can only concatenate str not nonetype to str

You can also check out our other articles on TypeError here. The TypeError occurs when you try to operate on a value that does not support that operation. What do you expect the output to be?

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That would imply you are using a scripted or modular input. When I stopped using Safari and started using Firefox, it was fixed. Where this occurs depends on whether any of your print statements are even reached. Welcome Feedback. By adding a default value to replace None , you ensure that the TypeError: can only concatenate str not "NoneType" to str is avoided. Chrome handles the upload just fine. Brace yourselves because Splunk University is back, and it's Accepted Solutions. Actual behavior However, when I use the same method with the same parameters, except from obtaining them as results of the previously shown logic, the script transfers all the files of the parent directory and, after the last one, returns the exception "TypeError: can only concatenate str not "NoneType" to str", in the same line of code that worked for the previous iterations. There is even one such example in the stdlib:. Thanks in advance! Mysterious syntax error Python Help help. Ask a Question. Opening the Splunk Web in ' incognito ' mode in Chrome fixed for me. The greet function only returns a string value when the name variable evaluates to True.

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About Hello! When you call a function that has no return statement, the function will return a None value implicitly. I am wondering if this update has something to do with it? A good old fashion truncate table and append worked! How can I prevent the TypeError in Python? Finally, the print function is called to print the value of the greeting variable, which will fail due to the error. Dan and other's who may see this thread. A couple of followup questions Baffled complete newbie Python Help. Welcome Feedback. That gets a bit difficult since you are using the arcgis module which is now at 2. Splunk Answers. User Groups. Posted on Jan 09,