Hi
I am using glassfish and postgresql and I have created a web services when I am testing it is giving me error
Source code for web services is:-
/*
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*/
package p;
import javax.jws.WebMethod;
import javax.jws.WebParam;
import javax.jws.WebService;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.PersistenceUnit;
import javax.persistence.Query;
/**
*
* @author 288949
*/
@WebService()
@Stateless()
public class DemoWebServices {
@PersistenceUnit
private EntityManagerFactory emf;
private EntityManager getEntityManager() {
return emf.createEntityManager();
}
public EntityManagerFactory getEmf() {
return emf;
}
public void setEmf(EntityManagerFactory emf) {
this.emf = emf;
}
/**
* Web service operation
*/
@WebMethod(operationName = "Fetch")
public String Fetch(@WebParam(name = "EmailId")
String EmailId) {
System.out.print("ViewDetail");
Metadatatable objMetadatatable=new Metadatatable();
EntityManager em = getEntityManager();
System.out.print("ViewDetail1");
// Query query1 = em.createNamedQuery("Metadatatable.findByEmailid").setParameter("emailid", "Manish_at_Gmail.com");
Query query = em.createQuery("select e.creatatorname from Metadatatable e where e.emailid=(:emailid) ").setParameter("emailid", "Manish_at_Gmail.com");
String iecode= (String) query.getSingleResult();
System.out.print(iecode);
// Query query = em.createNamedQuery(EmailId, null)
// String iecode= (String) query.getSingleResult();
// System.out.print(iecode);
//
// System.out.print("MA");
//
return iecode;
}
}
Exceptions details : null
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java.lang.NullPointerException at java.io.File.(File.java:222) at org.glassfish.webservices.monitoring.WebServiceTesterServlet.initializePort(WebServiceTesterServlet.java:505) at org.glassfish.webservices.monitoring.WebServiceTesterServlet.doGet(WebServiceTesterServlet.java:165) at org.glassfish.webservices.monitoring.WebServiceTesterServlet.invoke(WebServiceTesterServlet.java:100) at org.glassfish.webservices.JAXWSServlet.doGet(JAXWSServlet.java:193) at javax.servlet.http.HttpServlet.service(HttpServlet.java:734) 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(PESessionLockingStandardPipeline.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)
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