Javac Throws "error: incompatible types: cannot infer type-variable(s)" with Valid Inferences
(Doc ID 2171428.1)
Last updated on MARCH 31, 2023
Applies to:
Java SE JDK and JRE - Version 8 to 8Information in this document applies to any platform.
Symptoms
The Java SE 8 javac compiler rejects code which should compile due to a type inference problem.
Disclaimer:
This sample code is provided for educational purposes only. It is not supported by Oracle Support. It has been tested internally, however we do not guarantee that it will work for you. Ensure that you run it in a safe test environment. Additionally, the code and object names used in this article represent fictitious sample names that make up an example. Any similarity to actual code is purely coincidental and not intended in any other manner.
This sample code is provided for educational purposes only. It is not supported by Oracle Support. It has been tested internally, however we do not guarantee that it will work for you. Ensure that you run it in a safe test environment. Additionally, the code and object names used in this article represent fictitious sample names that make up an example. Any similarity to actual code is purely coincidental and not intended in any other manner.
Consider the following code sample:
Changes
Cause
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In this Document
| Symptoms |
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| Cause |
| Solution |
| References |