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 JIRA by Tony Sandin, 1 year ago
com.izforge.izpack.api.data.Pack; local class incompatible: stream classdesc serialVersionUID = -7841139470853935196, local class serialVersionUID = -8210246855986030287
java.io.InvalidClassException: com.izforge.izpack.api.data.Pack; local class incompatible: stream classdesc serialVersionUID = -7841139470853935196, local class serialVersionUID = -8210246855986030287	at java.io.ObjectStreamClass.initNonProzy(ObjectStreamClass.java:616)