java - Glassfish Connection could not be allocated because: Identifier name '...' is too long -

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so im trying run java ee project developed couple years ago , im getting error:

connection not allocated because: identifier name 'c:\glassfish-3.0\glassfish\domains\domain1/lib/databases/ejbtimer' long

trying run on jdk7 , glassfish 3

tried searching similar no avail

any suggestions cause/how solve it?

edit: stack trace (ext. link not make post long) http://pastebin.com/rzjs60ax

it seems documentation project had error , pool in glassfish set wrong datasource classname


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