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im doing web application using java ee, sqlserver database. im trying to add new client into a db using entitymanager and im getting such an exception. Server (glassfish) runs with no errors

[2018-11-09T13:20:33.396+0100] [glassfish 4.1] [WARNING] [AS-EJB-00056] [javax.enterprise.ejb.container] [tid: _ThreadID=32 _ThreadName=http-listener-1(5)] [timeMillis: 1541766033396] [levelValue: 900] [[
 A system exception occurred during an invocation on EJB KontoBean, method: public void rental.KontoBean.addNewClient(rental.DaneLogowaniaEntity,rental.DaneKlientEntity,rental.KlientEntity)]]

[2018-11-09T13:20:33.397+0100] [glassfish 4.1] [WARNING] [javax.enterprise.ejb.container] [tid: _ThreadID=32 _ThreadName=http-listener-1(5)] [timeMillis: 1541766033397] [levelValue: 900] [[

javax.ejb.EJBException
 at com.sun.ejb.containers.EJBContainerTransactionManager.processSystemException(EJBContainerTransactionManager.java:752)
 at com.sun.ejb.containers.EJBContainerTransactionManager.completeNewTx(EJBContainerTransactionManager.java:702)
 at com.sun.ejb.containers.EJBContainerTransactionManager.postInvokeTx(EJBContainerTransactionManager.java:507)
 at com.sun.ejb.containers.BaseContainer.postInvokeTx(BaseContainer.java:4566)
 at com.sun.ejb.containers.BaseContainer.postInvoke(BaseContainer.java:2074)
 at com.sun.ejb.containers.BaseContainer.postInvoke(BaseContainer.java:2044)
 at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:220)
 at com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate.invoke(EJBLocalObjectInvocationHandlerDelegate.java:88)
 at com.sun.proxy.$Proxy212.addNewClient(Unknown Source)
 at rental.__EJB31_Generated__KontoBean__Intf____Bean__.addNewClient(Unknown Source)
 at rental.KontoNamed.addNewKlientEntity(KontoNamed.java:54)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:498)
 at com.sun.el.parser.AstValue.invoke(AstValue.java:289)
 at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:304)
 at org.jboss.weld.util.el.ForwardingMethodExpression.invoke(ForwardingMethodExpression.java:40)
 at org.jboss.weld.el.WeldMethodExpression.invoke(WeldMethodExpression.java:50)
 at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
 at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:87)
 at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
 at javax.faces.component.UICommand.broadcast(UICommand.java:315)
 at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:790)
 at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1282)
 at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
 at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
 at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198)
 at javax.faces.webapp.FacesServlet.service(FacesServlet.java:658)
 at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:318)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734)
 at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673)
 at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174)
 at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:416)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:283)
 at com.sun.enterprise.v3.services.impl.ContainerMapper$HttpHandlerCallable.call(ContainerMapper.java:459)
 at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:167)
 at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:206)
 at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:180)
 at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:235)
 at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
 at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:283)
 at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:200)
 at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:132)
 at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:111)
 at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
 at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:536)
 at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:112)
 at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:117)
 at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:56)
 at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:137)
 at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:591)
 at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:571)
 at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.IllegalStateException: Unable to retrieve EntityManagerFactory for unitName null
 at com.sun.enterprise.container.common.impl.EntityManagerWrapper.init(EntityManagerWrapper.java:138)
 at com.sun.enterprise.container.common.impl.EntityManagerWrapper.doTxRequiredCheck(EntityManagerWrapper.java:158)
 at com.sun.enterprise.container.common.impl.EntityManagerWrapper.doTransactionScopedTxCheck(EntityManagerWrapper.java:151)
 at com.sun.enterprise.container.common.impl.EntityManagerWrapper.persist(EntityManagerWrapper.java:281)
 at rental.KontoBean.addNewClient(KontoBean.java:34)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:498)
 at org.glassfish.ejb.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1081)
 at org.glassfish.ejb.security.application.EJBSecurityManager.invoke(EJBSecurityManager.java:1153)
 at com.sun.ejb.containers.BaseContainer.invokeBeanMethod(BaseContainer.java:4786)
 at com.sun.ejb.EjbInvocation.invokeBeanMethod(EjbInvocation.java:656)
 at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:822)
 at com.sun.ejb.EjbInvocation.proceed(EjbInvocation.java:608)
 at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:64)
 at org.jboss.weld.ejb.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:52)
 at sun.reflect.GeneratedMethodAccessor57.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:498)
 at com.sun.ejb.containers.interceptors.AroundInvokeInterceptor.intercept(InterceptorManager.java:883)
 at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:822)
 at com.sun.ejb.EjbInvocation.proceed(EjbInvocation.java:608)
 at com.sun.ejb.containers.interceptors.SystemInterceptorProxy.doCall(SystemInterceptorProxy.java:163)
 at com.sun.ejb.containers.interceptors.SystemInterceptorProxy.aroundInvoke(SystemInterceptorProxy.java:140)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:498)
 at com.sun.ejb.containers.interceptors.AroundInvokeInterceptor.intercept(InterceptorManager.java:883)
 at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:822)
 at com.sun.ejb.containers.interceptors.InterceptorManager.intercept(InterceptorManager.java:369)
 at com.sun.ejb.containers.BaseContainer.__intercept(BaseContainer.java:4758)
 at com.sun.ejb.containers.BaseContainer.intercept(BaseContainer.java:4746)
 at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:212)
 ... 50 more
]]

[2018-11-09T13:20:33.401+0100] [glassfish 4.1] [SEVERE] [tid: _ThreadID=32 _ThreadName=Thread-9] [timeMillis: 1541766033401] [levelValue: 1000] [[
 javax.ejb.EJBException
 at com.sun.ejb.containers.EJBContainerTransactionManager.processSystemException(EJBContainerTransactionManager.java:752)
 at com.sun.ejb.containers.EJBContainerTransactionManager.completeNewTx(EJBContainerTransactionManager.java:702)
 at com.sun.ejb.containers.EJBContainerTransactionManager.postInvokeTx(EJBContainerTransactionManager.java:507)
 at com.sun.ejb.containers.BaseContainer.postInvokeTx(BaseContainer.java:4566)
 at com.sun.ejb.containers.BaseContainer.postInvoke(BaseContainer.java:2074)
 at com.sun.ejb.containers.BaseContainer.postInvoke(BaseContainer.java:2044)
 at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:220)
 at com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate.invoke(EJBLocalObjectInvocationHandlerDelegate.java:88)
 at com.sun.proxy.$Proxy212.addNewClient(Unknown Source)
 at rental.__EJB31_Generated__KontoBean__Intf____Bean__.addNewClient(Unknown Source)
 at rental.KontoNamed.addNewKlientEntity(KontoNamed.java:54)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:498)
 at com.sun.el.parser.AstValue.invoke(AstValue.java:289)
 at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:304)
 at org.jboss.weld.util.el.ForwardingMethodExpression.invoke(ForwardingMethodExpression.java:40)
 at org.jboss.weld.el.WeldMethodExpression.invoke(WeldMethodExpression.java:50)
 at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
 at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:87)
 at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
 at javax.faces.component.UICommand.broadcast(UICommand.java:315)
 at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:790)
 at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1282)
 at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
 at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
 at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198)
 at javax.faces.webapp.FacesServlet.service(FacesServlet.java:658)
 at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:318)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734)
 at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673)
 at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174)
 at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:416)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:283)
 at com.sun.enterprise.v3.services.impl.ContainerMapper$HttpHandlerCallable.call(ContainerMapper.java:459)
 at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:167)
 at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:206)
 at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:180)
 at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:235)
 at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
 at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:283)
 at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:200)
 at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:132)
 at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:111)
 at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
 at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:536)
 at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:112)
 at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:117)
 at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:56)
 at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:137)
 at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:591)
 at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:571)
 at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.IllegalStateException: Unable to retrieve EntityManagerFactory for unitName null
 at com.sun.enterprise.container.common.impl.EntityManagerWrapper.init(EntityManagerWrapper.java:138)
 at com.sun.enterprise.container.common.impl.EntityManagerWrapper.doTxRequiredCheck(EntityManagerWrapper.java:158)
 at com.sun.enterprise.container.common.impl.EntityManagerWrapper.doTransactionScopedTxCheck(EntityManagerWrapper.java:151)
 at com.sun.enterprise.container.common.impl.EntityManagerWrapper.persist(EntityManagerWrapper.java:281)
 at rental.KontoBean.addNewClient(KontoBean.java:34)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:498)
 at org.glassfish.ejb.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1081)
 at org.glassfish.ejb.security.application.EJBSecurityManager.invoke(EJBSecurityManager.java:1153)
 at com.sun.ejb.containers.BaseContainer.invokeBeanMethod(BaseContainer.java:4786)
 at com.sun.ejb.EjbInvocation.invokeBeanMethod(EjbInvocation.java:656)
 at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:822)
 at com.sun.ejb.EjbInvocation.proceed(EjbInvocation.java:608)
 at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:64)
 at org.jboss.weld.ejb.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:52)
 at sun.reflect.GeneratedMethodAccessor57.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:498)
 at com.sun.ejb.containers.interceptors.AroundInvokeInterceptor.intercept(InterceptorManager.java:883)
 at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:822)
 at com.sun.ejb.EjbInvocation.proceed(EjbInvocation.java:608)
 at com.sun.ejb.containers.interceptors.SystemInterceptorProxy.doCall(SystemInterceptorProxy.java:163)
 at com.sun.ejb.containers.interceptors.SystemInterceptorProxy.aroundInvoke(SystemInterceptorProxy.java:140)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:498)
 at com.sun.ejb.containers.interceptors.AroundInvokeInterceptor.intercept(InterceptorManager.java:883)
 at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:822)
 at com.sun.ejb.containers.interceptors.InterceptorManager.intercept(InterceptorManager.java:369)
 at com.sun.ejb.containers.BaseContainer.__intercept(BaseContainer.java:4758)
 at com.sun.ejb.containers.BaseContainer.intercept(BaseContainer.java:4746)
 at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java]]

[2018-11-09T13:20:33.401+0100] [glassfish 4.1] [SEVERE] [tid: _ThreadID=32 _ThreadName=Thread-9] [timeMillis: 1541766033401] [levelValue: 1000] [[
 :212)
 ... 50 more]]

My KlientEntity.java

package rental;

import javax.persistence.*;

@Entity
@Table(name = "Klient", schema = "dbo", catalog = "Test")
public class KlientEntity 
 private int id;

 @Id
 @GeneratedValue(strategy = GenerationType.IDENTITY)
 @Column(name = "ID",nullable = false)
 public int getId() 
 return id;
 

 public void setId(int id) 
 this.id = id;
 

 @OneToOne(cascade = CascadeType.PERSIST)
 private DaneKlientEntity daneKlientEntity;

 @OneToOne(cascade = CascadeType.PERSIST)
 private DaneLogowaniaEntity daneLogowaniaEntity;



 public DaneKlientEntity getDaneKlientEntity() 
 return daneKlientEntity;
 

 public void setDaneKlientEntity(DaneKlientEntity daneKlientEntity) 
 this.daneKlientEntity = daneKlientEntity;
 

 public DaneLogowaniaEntity getDaneLogowaniaEntity() 
 return daneLogowaniaEntity;
 

 public void setDaneLogowaniaEntity(DaneLogowaniaEntity daneLogowaniaEntity) 
 this.daneLogowaniaEntity = daneLogowaniaEntity;
 

KontoBean.java

package rental;

import javax.ejb.LocalBean;
import javax.ejb.Stateless;
import javax.inject.Named;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

@LocalBean
@Stateless
public class KontoBean 

 public KontoBean()

 
 @PersistenceContext
 EntityManager entityManager;

 public void addNewClient(DaneLogowaniaEntity daneLogowaniaEntity, DaneKlientEntity daneKlientEntity, KlientEntity klientEntity) 

 entityManager.persist(daneLogowaniaEntity);
 entityManager.persist(daneKlientEntity);
 entityManager.persist(klientEntity);
 entityManager.flush();
 
 public void updateDaneKlientaEntity(DaneKlientEntity daneKlientEntity)
 
 DaneKlientEntity entity = entityManager.find(DaneKlientEntity.class,daneKlientEntity.getId());
 entity.setEmail(daneKlientEntity.getEmail());
 entity.setImie(daneKlientEntity.getImie());
 entity.setNazwisko(daneKlientEntity.getNazwisko());
 entity.setTel(daneKlientEntity.getTel());
 entityManager.persist(entity);
 

 public void updateDaneLogowaniaEntity(DaneLogowaniaEntity daneLogowaniaEntity)
 
 DaneLogowaniaEntity daneLogowaniaEntity1 = entityManager.find(DaneLogowaniaEntity.class,daneLogowaniaEntity.getId());
 
 public void updateKlientEntity(DaneKlientEntity daneKlientEntity, DaneLogowaniaEntity daneLogowaniaEntity)
 
 updateDaneKlientaEntity(daneKlientEntity);
 updateDaneLogowaniaEntity(daneLogowaniaEntity);
 

KontoNamed.java

package rental;

import javax.annotation.PostConstruct;
import javax.ejb.EJB;
import javax.inject.Named;
import java.security.NoSuchAlgorithmException;


@Named("kontoNamed")
public class KontoNamed 
 private String verificationPassword;
 @EJB
 private MessageBean messageBean;
 public String getMessageBean() return messageBean.getContent();
 @EJB
 KontoBean kontoBean;

 KlientEntity klientEntity = new KlientEntity();
 DaneLogowaniaEntity daneLogowaniaEntity = new DaneLogowaniaEntity();
 DaneKlientEntity daneKlientEntity = new DaneKlientEntity();

 @PostConstruct
 public void init()
 
 klientEntity = new KlientEntity();
 klientEntity.setDaneLogowaniaEntity(new DaneLogowaniaEntity());
 klientEntity.setDaneKlientEntity(new DaneKlientEntity());
 

 public KlientEntity getKlientEntity()return klientEntity;
 public void setKlientEntity(KlientEntity klientEntity)this.klientEntity=klientEntity;

 public DaneKlientEntity getDaneKlientEntity()return daneKlientEntity;
 public void setDaneKlientEntity(DaneKlientEntity daneKlientEntity)this.daneKlientEntity=daneKlientEntity;

 public DaneLogowaniaEntity getDaneLogowaniaEntity()return daneLogowaniaEntity;
 public void setDaneLogowaniaEntity(DaneLogowaniaEntity daneLogowaniaEntity)this.daneLogowaniaEntity=daneLogowaniaEntity;
 public void addNewKlientEntity() 
 klientEntity.setDaneKlientEntity(daneKlientEntity);
 klientEntity.setDaneLogowaniaEntity(daneLogowaniaEntity);
 try 
 kontoBean.addNewClient(daneLogowaniaEntity, daneKlientEntity, klientEntity);
 catch (Exception e) 
 e.printStackTrace();
 messageBean.setContent("Błąd przy dodawaniu nowego konta!");
 return;
 
 messageBean.setContent("Dodanie rekordu zakończone sukcesem!");
 
 public String getVerificationPassword()return verificationPassword;
 public void setVerificationPassword(String verificationPassword) 
 this.verificationPassword = verificationPassword;
 

persistence.xml

<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence" version="2.0">

 <persistence-unit name="NewPersistenceUnit">
 <class>rental.AdminEntity</class>
 <class>rental.DaneKlientEntity</class>
 <class>rental.DaneLogowaniaEntity</class>
 <class>rental.KlientEntity</class>
 <class>rental.NaprawyEntity</class>
 <class>rental.PunktEntity</class>
 <class>rental.RaportyEntity</class>
 <class>rental.RowerEntity</class>
 <class>rental.WypozyczenieEntity</class>

 <properties>
 <property name="eclipselink.jdbc.url" value="jdbc:sqlserver://localhost:1433;database=Test"/>
 <property name="eclipselink.jdbc.driver" value="com.microsoft.sqlserver.jdbc.SQLServerDriver"/>
 <property name="eclipselink.jdbc.user" value="baza"/>
 <property name="eclipselink.jdbc.password" value="03c8bb23"/>

 </properties>
 </persistence-unit>
</persistence>

Exception shows when i click add button on webpage,

You must define connection pool and JDBC resource in glassfish. and use it(it's JNDI name) at the jta-data-sourc tag.

 <persistence-unit name="NewPersistenceUnit" transaction-type="JTA"> 
 <jta-data-source>[your JNDI name]</jta-data-source>

the following link describes the process of defining the connection pool
https://dzone.com/articles/jdbc-connection-pool-for-glassfish-and-payara-java

you do not need to define the database connection properties in persistence.xml

the following lines are not necessary

 <properties>
 <property name="eclipselink.jdbc.url" value="jdbc:sqlserver://localhost:1433;database=Test"/>
 <property name="eclipselink.jdbc.driver" value="com.microsoft.sqlserver.jdbc.SQLServerDriver"/>
 <property name="eclipselink.jdbc.user" value="baza"/>
 <property name="eclipselink.jdbc.password" value="03c8bb23"/>

 </properties>

you also must change the injection point of EntityManager

@PersistenceContext(unitName = "NewPersistenceUnit")