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lukaszlenart avatar lukaszlenart commented on August 12, 2024

Could you add a more complex example? Or even a test case?

from ognl.

ZainlessBrombie avatar ZainlessBrombie commented on August 12, 2024

Sure.
In MethodTest.java the following test case shows the issue:

{ "isThisVarArgsWorking()", Boolean.TRUE },

PS: Also found this in MethodTest.java:

// TODO This one doesn't work - even 'toArray(new String[0]) returns Object[] and so the wrong method is called - currently no idea how to handle this...
{ "testMethods.showList(testMethods.getStringList().toArray(new String[0]))", ROOT.getTestMethods().showList(ROOT.getTestMethods().getStringList().toArray(new String[0])) },

This is not correct, it does not return Object[], it returns String[]{"Hello", "World"} correctly. However, since toArray is generic its head shows the return type to be Object[], not String[]. This causes ognl to resolve the showList(Object[] args) method, not its overload of showList(String[] args), which javac figures out. showList(Object[] args) always returns "Objects" regardless of array component type, so the test fails. The problem then is one of array generics, not an incorrect Array type being instantiated.

:)

from ognl.

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