Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Oracle Community by 843797, 1 year ago
java.lang.NullPointerException: 	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(