Peter Ertl created WICKET-5647:
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Summary: missing generic cast causes compile error on OS X / jdk 8
Key: WICKET-5647
URL: https://issues.apache.org/jira/browse/WICKET-5647
Project: Wicket
Issue Type: Bug
Components: wicket
Affects Versions: 7.0.0-M2
Environment: OS X 10.9.4
JDK 1.8.0_11
Reporter: Peter Ertl
Assignee: Peter Ertl
when trying to compile wicket-7 from HEAD it fails under OS X / JDK 1.8.0_11.
Casting a NULL to generic type (T) solves the issues. This seems like some odd
case of failing type inference.
The problematic source line is:
return getEnumImpl(key, eClass, null);
The compiler error is:
Error:(792, 35) java: incompatible types: inference variable T has
incompatible upper bounds java.lang.Enum<T>,T
This will fix the issue:
return getEnumImpl(key, eClass, (T)null);
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