[GitHub] [incubator-hugegraph] joyemang33 commented on issue #2138: [Bug] Unexpected exception [java.lang.IllegalArgumentException] when ordering edges by an aggregate such as "value().min()"

Wed, 01 Mar 2023 05:56:53 -0800 


joyemang33 commented on issue #2138:
URL: 
https://github.com/apache/incubator-hugegraph/issues/2138#issuecomment-1450191342

   > > However, I try the 
hugegraph.traversal().E().order().by(values("prop10").fold().min(local)) where 
still returns an unexpected exception java.lang.IllegalArgumentException.
   > 
   > can you share more details of the exception?
   
   Sure, the information from server is ```ERROR:root:{'exception': 
'java.lang.IllegalArgumentException', 'message': 'The provided traverser does 
not map to a value: 
e[L695415354955923456>6>>L695415355421491200][695415354955923456-Elabel6->695415355421491200]->[PropertiesStep([prop10],value),
 FoldStep, MinLocalStep]', 'cause': '[java.lang.IllegalArgumentException]'}```.
   
   And the information from hubble is in the following pic:
   
![1677678987361](https://user-images.githubusercontent.com/37923722/222161084-12233049-9c34-4029-9e83-0fd38af36797.png)
   
   
   


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