mongodb - Java server stopped working -

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i have java server, know little java. develop company in html, css, js , js libraries, today unable start server again. each file has error, example, first 1 on 5 line, code

 import org.jongo.mongocollection;

and says error 

`the import org.jongo cannot resolved`

and dont know now. worked yesterday , lot of time before, have no need know more java , on. little company, works home, developer, created java server have no time till afternoon, try ask here, if similiar happens else.

simply application not getting required classes, reason either lib files not present in class path. check class path. clean application.


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