i made some changes to hello3services.java and recompiled it i got the following errors.How do i remove them?
Hello3Services.java:34: package org.ofbiz.base.util does not exist import org.ofbiz.base.util.Debug; // uses Log4J ^ Hello3Services.java:35: package org.ofbiz.base.util does not exist import org.ofbiz.base.util.UtilMisc; // helpful utility for working with Map s, Lists, etc. ^ Hello3Services.java:36: package org.ofbiz.entity does not exist import org.ofbiz.entity.GenericDelegator; ^ Hello3Services.java:37: package org.ofbiz.entity does not exist import org.ofbiz.entity.GenericEntityException; ^ Hello3Services.java:38: package org.ofbiz.entity does not exist import org.ofbiz.entity.GenericValue; ^ Hello3Services.java:39: package org.ofbiz.service does not exist import org.ofbiz.service.DispatchContext; ^ Hello3Services.java:40: package org.ofbiz.service does not exist import org.ofbiz.service.ServiceUtil; ^ Hello3Services.java:51: cannot resolve symbol symbol : class DispatchContext location: class org.ofbiz.hello3.Hello3Services public static Map createHelloPerson(DispatchContext dctx, Map context) { ^ Hello3Services.java:76: cannot resolve symbol symbol : class DispatchContext location: class org.ofbiz.hello3.Hello3Services public static Map searchHelloPerson(DispatchContext dctx, Map context) { ^ Hello3Services.java:52: cannot resolve symbol symbol : class GenericDelegator location: class org.ofbiz.hello3.Hello3Services GenericDelegator delegator = dctx.getDelegator(); // always passed in w ith DispatchContext ^ Hello3Services.java:56: cannot resolve symbol symbol : variable Debug location: class org.ofbiz.hello3.Hello3Services Debug.logInfo("helloPersonId = " + helloPersonId, module); // prints to the console or console.log ^ Hello3Services.java:57: cannot resolve symbol symbol : class GenericValue location: class org.ofbiz.hello3.Hello3Services GenericValue helloPerson = delegator.makeValue("HelloPerson", ^ Hello3Services.java:58: cannot resolve symbol symbol : variable UtilMisc location: class org.ofbiz.hello3.Hello3Services UtilMisc.toMap("helloPersonId", helloPersonId)); // create a GenericValue from ID we just got ^ Hello3Services.java:62: cannot resolve symbol symbol : variable ServiceUtil location: class org.ofbiz.hello3.Hello3Services Map result = ServiceUtil.returnSuccess(); // gets standard Map for s uccessful service operations ^ Hello3Services.java:65: cannot resolve symbol symbol : class GenericEntityException location: class org.ofbiz.hello3.Hello3Services } catch (GenericEntityException ex) { // required if you use delegator i n Java ^ Hello3Services.java:66: cannot resolve symbol symbol : variable ServiceUtil location: class org.ofbiz.hello3.Hello3Services return ServiceUtil.returnError(ex.getMessage()); ^ Hello3Services.java:77: cannot resolve symbol symbol : class GenericDelegator location: class org.ofbiz.hello3.Hello3Services GenericDelegator delegator = dctx.getDelegator(); // always passed in w ith DispatchContext ^ Hello3Services.java:84: cannot resolve symbol symbol : variable Debug location: class org.ofbiz.hello3.Hello3Services Debug.logInfo("helloPersonId = " + helloPersonId, module); ^ Hello3Services.java:88: cannot resolve symbol symbol : variable UtilMisc location: class org.ofbiz.hello3.Hello3Services UtilMisc.toMap ("helloPersonId",hello PersonId)); ^ Hello3Services.java:89: cannot resolve symbol symbol : variable Debug location: class org.ofbiz.hello3.Hello3Services Debug.logInfo("queryResult = " + queryResult, module); ^ Hello3Services.java:92: cannot resolve symbol symbol : variable UtilMisc location: class org.ofbiz.hello3.Hello3Services Map result = UtilMisc.toMap("helloPersonIdOut", helloPersonId); ^ Hello3Services.java:98: cannot resolve symbol symbol : variable Debug location: class org.ofbiz.hello3.Hello3Services Debug.logInfo("result = " + result, module); ^ Hello3Services.java:102: cannot resolve symbol symbol : class GenericEntityException location: class org.ofbiz.hello3.Hello3Services } catch (GenericEntityException ex) { // required if you use delegator i n Java ^ Hello3Services.java:103: cannot resolve symbol symbol : variable ServiceUtil location: class org.ofbiz.hello3.Hello3Services return ServiceUtil.returnError(ex.getMessage());