java.lang.NullPointerException: This exception has no message.

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via Oracle Community by 843797, 1 year ago
at java.util.Hashtable.access$100(
at java.util.Hashtable$EntrySet.iterator(
at java.util.Collections$SynchronizedCollection.iterator(
at java.util.Hashtable.hashCode(
at java.util.Hashtable.get(
at mypackage.serializer.XMLSerializer.buildXML(
at mypackage.serializer.XMLSerializer.buildXML(
at mypackage.serializer.XMLSerializer.main(

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