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  1. ,

    Thrown to indicate that a method has been passed an illegal or inappropriate argument. Make sure your getter and setter methods have the same return/parameter types (that is, String for String, Integer for Integer).

Solutions on the web

via Coderanch by Oliver Bachmann, 1 year ago
Can not set java.lang.String field Categories.name to java.lang.String
via Stack Overflow by TKG
, 2 years ago
Can not set K field b.f3 to java.lang.Class
via GitHub by Joshua-Barclay
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Can not set f.q.c.n.Class field f.q.c.n.Class$Model.formShell to com.github.bordertech.wcomponents.WPanel$PanelModel
via Stack Overflow by badaboum
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via Stack Overflow by Stefano Cazzola
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via Stack Overflow by Hassan
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Can not set org.eclipse.swt.internal.cocoa.NSView field org.eclipse.swt.widgets.Control.view to org.eclipse.swt.widgets.TrayItem
java.lang.IllegalArgumentException: Can not set java.lang.String field Categories.name to java.lang.String	at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(Unknown Source)	at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(Unknown Source)	at sun.reflect.UnsafeFieldAccessorImpl.ensureObj(Unknown Source)	at sun.reflect.UnsafeObjectFieldAccessorImpl.get(Unknown Source)	at java.lang.reflect.Field.get(Unknown Source)	at undefined.Reflect.main(Reflect.java:45)