To access the same service tables in different portlets, do not recreate the services in each of them. Instead, create the service in one portlet and copy it docroot/WEB-INF/lib/<pluginmame>-portlet-service.jarto the directory of the docroot/WEB-INF/lib/other portlets. Let's see an example.
Suppose you have the following service.xmlin a portlet person-portlet:
<service-builder package-path="br.com.seatecnologia.stackoverflow.person">
<author>brandizzi</author>
<namespace>StackOverflowPerson</namespace>
<entity name="Person" local-service="true" remote-service="false">
<column name="personId" type="long" primary="true" />
<column name="name" type="String" />
<column name="age" type="int" />
</entity>
</service-builder>
, . , JSP :
<%@page import="br.com.seatecnologia.stackoverflow.person.service.PersonLocalServiceUtil"%>
<%@page import="br.com.seatecnologia.stackoverflow.person.model.Person"%>
<%@ taglib uri="http://java.sun.com/portlet" prefix="portlet" %>
<%@ taglib uri="http://liferay.com/tld/aui" prefix="aui" %>
<portlet:actionURL name="addPerson" var="url" />
<aui:form action="<%= url %>" name="fm" method="POST">
<aui:fieldset>
<aui:input name="name" />
<aui:input name="age" />
<aui:button type="submit" />
</aui:fieldset>
</aui:form>
<ul>
<% for (Person person : PersonLocalServiceUtil.getPersons(-1, -1)) { %>
<li><%= person.getName() %> : <%= person.getAge() %></li>
<% } %>
</ul>
, , - Hello World, . , , multiple-hello-portlet, person-portlet-service.jar person-portlet/docroot/WEB-INF/lib multiple-hello-portlet/docroot/WEB-INF/lib. , _, , person-portlet, multiple-hello-portlet . , multiple-hello-portlet JSP, :
<%@page import="br.com.seatecnologia.stackoverflow.person.service.PersonLocalServiceUtil"%>
<%@page import="br.com.seatecnologia.stackoverflow.person.model.Person"%>
<%@ taglib uri="http://java.sun.com/portlet" prefix="portlet" %>
<% for (Person person : PersonLocalServiceUtil.getPersons(-1, -1)) { %>
<div class="portlet-msg-info">
Hello, <%= person.getName() %>!
You are <%= person.getAge() %> years old.
</div>
<% } %>
, BitBucket.