java - NotImplementedException is internal proprietary API -

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i became following warning when try build project ant. build.xml ist auto-generated eclipse:

warning: notimplementedexception internal proprietary api , may removed in future release

in eclipse there no error @ line , if remove line (are annotation hibernate) error occur in line. seems error comes in first line of java file.

i tried replace hibernate , annotations new version javax persistence. nothing helped.

i hope else has same failure , knows need do.

edit:

@entity @inheritance(strategy=inheritancetype.table_per_class) @table(name="myclass") public class myclass implements cloneable {

the second row generates warning. if remove row next generate same warning. if remove annotations last line generates warning.

are importing sun.reflect.generics.reflectiveobjects.notimplementedexception somewhere?. sun classes not part of official java api , may changed/removed @ time without notice. apart that, might missing if runs application on different jvm oracle one. example ibm jvm not have access sun classes , therefore program fail @ runtime.


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