2 replies to this topic

[priteshdesai]

I'm doing a project about Revalidation of XML documents based on this IEEE paper.
http://portal.acm.or....cfm?id=1263349
I have uploaded the code. It is in the folder 'parse' in it there is a file
PropertiesUnit.java
When I try to run PropertiesUnit.java i get the following error.

--------------------Configuration: <Default>--------------------
Exception in thread "main" java.lang.NullPointerException
at com.tjsoft.xml.parse.PropertiesUnit.main(PropertiesUnit.java:86)

Process completed.


What is the reason? How can I correct it?

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[Sinipull]

You are trying to access a memory part, that doesn't exist, which causes NullPointerException.
Something in some point, catches "null" and you are trying to access it's methods or fields.

[priteshdesai]

But what is the solution to my problem?