Answer / guest

Cause: Only scalar values (i.e. values which are not of
object or collection type) can be marked as XML
attribute,i.e. is prefixed by '@'. In this case, a
non-scalar value was prefixed with '@'

Action: Remove the '@' sign, or make the value a scalar.

Please add more information about this Error

TNS-01152: All addresses specified for the listener name, string, failed

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LPX-00265: read failed from to host ~s

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