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POHow to use EJB 3.1 DI in Servlet ? (Could not inject session bean by @EJB from web application)
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  1. POHow to use EJB 3.1 DI in Servlet ? (Could not inject session bean by @EJB from web application)
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    copied!<p>I am tying to merging web application(gwt, jpa) to an separate 2 application(business login in ejb/jpa and web client in gwt). Currently i can`t inject my beans from web application (simple servlet)</p> <p>I am using glassfish v3. module limbo(ejb jar) is in dependency of module lust (war).</p> <p>If I use lust with compiler output of limbo everything work perfect (if ejb in web application and the are deploying together as one application).</p> <p>Have I messed some container configuration ?</p> <p><em>Here is my steps:</em> </p> <p>I have some limbo.jar (ejb-jar) deployed to ejb container. I do not use any ejb-jar.xml, only annotations.</p> <hr> <pre><code>package ua.co.inferno.limbo.persistence.beans; import javax.ejb.Remote; @Remote public interface IPersistentServiceRemote { ArrayList&lt;String&gt; getTerminalACPList(); ArrayList&lt;String&gt; getBoxACPList(); ArrayList&lt;String&gt; getCNPList(); ArrayList&lt;String&gt; getCNSList(); String getProductNamebyID(int boxid); ArrayList&lt;String&gt; getRegionsList(String lang); long getSequence(); void persistEntity (Object ent); } </code></pre> <hr> <pre><code>package ua.co.inferno.limbo.persistence.beans; import ua.co.inferno.limbo.persistence.entitis.EsetChSchemaEntity; import ua.co.inferno.limbo.persistence.entitis.EsetKeyActionsEntity; @Local public interface IPersistentService { ArrayList&lt;String&gt; getTerminalACPList(); ArrayList&lt;String&gt; getBoxACPList(); ArrayList&lt;String&gt; getCNPList(); ArrayList&lt;String&gt; getCNSList(); String getProductNamebyID(int boxid); ArrayList&lt;String&gt; getRegionsList(String lang); long getSequence(); long persistPurchaseBox(EsetRegPurchaserEntity rp); void removePurchaseTempBox(EsetRegPurchaserTempEntity rpt); EsetRegionsEntity getRegionsById(long rid); void persistEntity (Object ent); } </code></pre> <hr> <pre><code>package ua.co.inferno.limbo.persistence.beans; import ua.co.inferno.limbo.persistence.entitis.EsetChSchemaEntity; import ua.co.inferno.limbo.persistence.entitis.EsetKeyActionsEntity; import ua.co.inferno.limbo.persistence.entitis.EsetRegBoxesEntity; import javax.ejb.Stateless; import javax.persistence.EntityManager; import javax.persistence.PersistenceContext; @Stateless(name = "PersistentService") public class PersistentServiceEJB implements IPersistentService, IPersistentServiceRemote{ @PersistenceContext(unitName = "Limbo") EntityManager em; public PersistentServiceEJB() { } ......... } </code></pre> <hr> <p>Than i trying to use PersistentService session bean(included in limbo.jar) from web application in lust.war (the limbo.jar &amp; lust.war is <strong>not in ear</strong>)</p> <hr> <pre><code>package ua.co.lust; import ua.co.inferno.limbo.persistence.beans.IPersistentService; import javax.ejb.EJB; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; @WebServlet(name = "ServletTest", urlPatterns = {"/"}) public class ServletTest extends HttpServlet { protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { service(request, response); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { service(request, response); } @EJB private IPersistentService pService; public void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String hi = pService.getCNPList().toString(); System.out.println("testBean.hello method returned: " + hi); System.out.println("In MyServlet::init()"); System.out.println("all regions" + pService.getRegionsList("ua")); System.out.println("all regions" + pService.getBoxACPList()); } } </code></pre> <hr> <p>web.xm</p> <hr> <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0"&gt; &lt;servlet&gt; &lt;servlet-name&gt;ServletTest&lt;/servlet-name&gt; &lt;servlet-class&gt;ua.co.lust.ServletTest&lt;/servlet-class&gt; &lt;/servlet&gt; &lt;/web-app&gt; </code></pre> <hr> <p>When servelt is loading i ge 404 eror (The requested resource () is not available.)</p> <p>And errors in logs :</p> <p>global</p> <pre><code>Log Level SEVERE Logger global Name-Value Pairs {_ThreadName=Thread-1, _ThreadID=31} Record Number 1421 Message ID Complete Message Class [ Lua/co/inferno/limbo/persistence/beans/IPersistentService; ] not found. Error while loading [ class ua.co.lust.ServletTest ] </code></pre> <hr> <p>javax.enterprise.system.tools.deployment.org.glassfish.deployment.common</p> <pre><code>Log Level WARNING Logger javax.enterprise.system.tools.deployment.org.glassfish.deployment.common Name-Value Pairs {_ThreadName=Thread-1, _ThreadID=31} Record Number 1422 Message ID Error in annotation processing Complete Message java.lang.NoClassDefFoundError: Lua/co/inferno/limbo/persistence/beans/IPersistentService; </code></pre> <hr> <p>ejb jar was deployed with this info log :</p> <hr> <pre><code>Log Level INFO Logger javax.enterprise.system.container.ejb.com.sun.ejb.containers Name-Value Pairs {_ThreadName=Thread-1, _ThreadID=26} Record Number 1436 Message ID Glassfish-specific (Non-portable) JNDI names for EJB PersistentService Complete Message [ua.co.inferno.limbo.persistence.beans.IPersistentServiceRemote#ua.co.inferno.limbo.persistence.beans.IPersistentServiceRemote, ua.co.inferno.limbo.persistence.beans.IPersistentServiceRemote] </code></pre> <hr> <pre><code>Log Level INFO Logger javax.enterprise.system.tools.admin.org.glassfish.deployment.admin Name-Value Pairs {_ThreadName=Thread-1, _ThreadID=26} Record Number 1445 Message ID Complete Message limbo was successfully deployed in 610 milliseconds. </code></pre> <hr> <p>Do i nee to add some additional configuration in a case of injections from others application?</p> <p>Some ideas? </p> <hr> <p>in a case of @Remote</p> <pre><code>package ua.co.lust; import ua.co.inferno.limbo.persistence.beans.PersistentServiceRemote; import javax.naming.Context; import javax.naming.InitialContext; import javax.naming.NamingException; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; @WebServlet(name = "ServletTest", urlPatterns = {"/"}) public class WebTestServlet extends HttpServlet { protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { service(request, response); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { service(request, response); } // @EJB // private PersistentServiceRemote pService; &lt;&lt;-- DI not working :( - same errs as with Local interface (class not found) public void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { Context ctx = null; try { ctx = new InitialContext(); PersistentServiceRemote pService = (PersistentServiceRemote) ctx.lookup("java:global/limbo/PersistentServiceBean!ua.co.inferno.limbo.persistence.beans.PersistentServiceRemote"); String hi = pService.getCNPList().toString(); System.out.println("testBean.hello method returned: " + hi); System.out.println("In MyServlet::init()"); System.out.println("all regions" + pService.getRegionsList("ua")); System.out.println("all regions" + pService.getBoxACPList()); } catch (NamingException e) { e.printStackTrace(); } } } </code></pre> <hr> <p>Log :</p> <pre><code> Log Level SEVERE Logger javax.enterprise.system.std.com.sun.enterprise.v3.services.impl Name-Value Pairs {_ThreadName=Thread-1, _ThreadID=32} Record Number 1963 Message ID javax.naming.NamingException Complete Message Lookup failed for 'java:global/limbo/PersistentServiceBean!ua.co.inferno.limbo.persistence.beans.PersistentServiceRemote' in SerialContext [Root exception is javax.naming.NamingException: ejb ref resolution error for remote business interfaceua.co.inferno.limbo.persistence.beans.PersistentServiceRemote [Root exception is java.lang.ClassNotFoundException: ua.co.inferno.limbo.persistence.beans.PersistentServiceRemote]] at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:442) at javax.naming.InitialContext.lookup(InitialContext.java:392) at javax.naming.InitialContext.lookup(InitialContext.java:392) at ua.co.lust.WebTestServlet.service(WebTestServlet.java:45) at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1523) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:279) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:188) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:641) at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:97) at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipel ine.java:85) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:185) at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:332) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:233) at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:165) at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:791) at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:693) at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:954) at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:170) at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:135) at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:102) at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:88) at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:76) at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:53) at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:57) at com.sun.grizzly.ContextTask.run(ContextTask.java:69) at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:330) at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:309) at java.lang.Thread.run(Thread.java:619) Caused by: javax.naming.NamingException: ejb ref resolution error for remote business interfaceua.co.inferno.limbo.persistence.beans.PersistentServiceRemote [Root exception is java.lang.ClassNotFoundException: ua.co.inferno.limbo.persistence.beans.PersistentServiceRemote] at com.sun.ejb.EJBUtils.lookupRemote30BusinessObject(EJBUtils.java:430) at com.sun.ejb.containers.RemoteBusinessObjectFactory.getObjectInstance(RemoteBusinessObjectFac tory.java:70) at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:304) at com.sun.enterprise.naming.impl.SerialContext.getObjectInstance(SerialContext.java:472) at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:437) ... 28 more Caused by: java.lang.ClassNotFoundException: ua.co.inferno.limbo.persistence.beans.PersistentServiceRemote at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at org.glassfish.web.loader.WebappClassLoader.findClass(WebappClassLoader.java:959) at org.glassfish.web.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1430) at com.sun.ejb.EJBUtils.getBusinessIntfClassLoader(EJBUtils.java:678) at com.sun.ejb.EJBUtils.loadGeneratedRemoteBusinessClasses(EJBUtils.java:459) at com.sun.ejb.EJBUtils.lookupRemote30BusinessObject(EJBUtils.java:410) ... 32 more </code></pre> <hr> <p>Info deploy log</p> <pre><code>Log Level INFO Logger javax.enterprise.system.container.ejb.com.sun.ejb.containers Name-Value Pairs {_ThreadName=Thread-1, _ThreadID=11} Record Number 1899 Message ID Portable JNDI names for EJB PersistentServiceBean Complete Message [java:global/limbo/PersistentServiceBean!ua.co.inferno.limbo.persistence.beans.PersistentServiceRemote, java:global/limbo/PersistentServiceBean!ua.co.inferno.limbo.persistence.beans.PersistentServiceLocal] </code></pre> <hr> <p>Do I need include my ejb jar into WEB=INF/lib if I am using Remote business logic call? Why DI not working in a case of remote?</p> <blockquote> <p>and it work prefect if I include compile output from limbo module and provide :</p> </blockquote> <pre><code>PersistentServiceRemote pService = (PersistentServiceRemote) ctx.lookup("java:global/lust/PersistentServiceBean!ua.co.inferno.limbo.persistence.beans.PersistentServiceRemote"); </code></pre> <p>Why I couldn`t look up for the PersistentServiceRemote (Remote interface of PersistentServiceBean ) for another web application ?</p> <p>By sample`s code from glassfish It should work (.</p> <p>Any ideas?</p> <hr> <p><strong>Ok. So as Pascal said. We need to package remote interface in webapp. We can use Local interface injection in different application. If you need use Local interface you need to include ejb jar in your application. Current design - package remote interface to webapp</strong></p>
 

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