eclipse - Exception in thread "main" java.lang.NoClassDefFoundError: org/pdfbox/util/PDFTextStripper -

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i trying resolve issue.

steps taken resolve issue:

1): have downloaded frontbox-1.2.1.jar , pdfbox-1.2.1.jar , went eclipse->build path-> libraries , added jar file.

this error:

exception in thread "main" java.lang.noclassdeffounderror: org/pdfbox/util/pdftextstripper     @ java.lang.class.getdeclaredmethods0(native method)     @ java.lang.class.privategetdeclaredmethods(unknown source)     @ java.lang.class.getdeclaredmethods(unknown source)     @ gate.creole.creoleannotationhandler.processparameters(creoleannotationhandler.java:365)     @ gate.creole.creoleannotationhandler.processannotationsforresource(creoleannotationhandler.java:225)     @ gate.creole.creoleannotationhandler.processannotations(creoleannotationhandler.java:169)     @ gate.creole.creoleannotationhandler.processannotations(creoleannotationhandler.java:173)     @ gate.creole.creoleannotationhandler.processannotations(creoleannotationhandler.java:173)     @ gate.creole.creoleannotationhandler.processannotations(creoleannotationhandler.java:157)     @ gate.creole.creoleregisterimpl.parsedirectory(creoleregisterimpl.java:318)     @ gate.creole.creoleregisterimpl.registerbuiltins(creoleregisterimpl.java:358)     @ gate.gate.initcreoleregister(gate.java:477)     @ gate.gate.init(gate.java:221)     @ yelpservlet.yelpgate.<init>(yelpgate.java:47)     @ yelpservlet.yelpgate.getinstance(yelpgate.java:75)     @ yelpservlet.yelpgate.main(yelpgate.java:328) caused by: java.lang.classnotfoundexception: org.pdfbox.util.pdftextstripper     @ java.net.urlclassloader$1.run(unknown source)     @ java.net.urlclassloader$1.run(unknown source)     @ java.security.accesscontroller.doprivileged(native method)     @ java.net.urlclassloader.findclass(unknown source)     @ java.lang.classloader.loadclass(unknown source)     @ sun.misc.launcher$appclassloader.loadclass(unknown source)     @ java.lang.classloader.loadclass(unknown source)     ... 16 more

java code

public class yelpgate {      // remember create log4j.properties file under project dir!!!     string homedir = "c:/program files/gate_developer_7.1/";     string ruledir = "c:/users/rupesh/workspace/yelpmongo/yelp/yelp.xgapp";      // used corpus control     private static gate.corpuscontroller ctrl;      // singleton     private static yelpgate instance = null;      /*      * constructor of yelpgate, load gate plugins when initializaion      */     private yelpgate()     {         system.out.println("start initialization...");         try {             if (gate.getgatehome() == null)             {                 gate.setgatehome(new file(homedir));             }              gate.init();             gate.getcreoleregister().registerdirectories(                     new file(homedir + "plugins", "annie").touri().tourl());              //for if using plugin             gate.getcreoleregister().registerdirectories(                     new file(homedir + "plugins", "tools").touri().tourl());              ctrl = ((gate.corpuscontroller)                     loadobjectfromfile(new java.io.file(ruledir)));          } catch (exception e){             system.out.println(e.getmessage());         }     } // end of: private yelpgate()      /*      * instance of yelpgate, create 1 when first called      */      public static yelpgate getinstance()     {         if (instance == null)         {             synchronized (yelpgate.class)              {                 if (instance == null)                  {                     instance = new yelpgate();                 }             }         }         return instance;     } // end of: public static yelpgate getinstance()

please me identify , solve issue.


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