当我将 managedbean 从 requestscoped 更改为 sessionscoped 时，在部署应用程序时会出现此错误。谁能解释发生了什么？
ejb 注入是否在 postconstruct 中失败？此外，将其更改回 requestscoped 时，我也会遇到相同的错误。重新启动 NetBeans 时，requestscoped 工作。
SEVERE: ContainerBase.addChild: start:
org.apache.catalina.LifecycleException: java.lang.IllegalArgumentException: javax.servlet.ServletException: com.sun.enterprise.container.common.spi.util.InjectionException: Error creating managed object for class: class org.glassfish.webservices.WSServletContextListener
at org.apache.catalina.core.StandardContext.start(StandardContext.java:5332)
at com.sun.enterprise.web.WebModule.start(WebModule.java:498)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:917)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:901)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:733)
at com.sun.enterprise.web.WebContainer.loadWebModule(WebContainer.java:2018)
at com.sun.enterprise.web.WebContainer.loadWebModule(WebContainer.java:1669)
at com.sun.enterprise.web.WebApplication.start(WebApplication.java:109)
at org.glassfish.internal.data.EngineRef.start(EngineRef.java:130)
at org.glassfish.internal.data.ModuleInfo.start(ModuleInfo.java:269)
at org.glassfish.internal.data.ApplicationInfo.start(ApplicationInfo.java:301)
at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:461)
at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:240)
at org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:389)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$1.execute(CommandRunnerImpl.java:348)
at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:363)
at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:1085)
at com.sun.enterprise.v3.admin.CommandRunnerImpl.access$1200(CommandRunnerImpl.java:95)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1291)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1259)
at com.sun.enterprise.v3.admin.AdminAdapter.doCommand(AdminAdapter.java:461)
at com.sun.enterprise.v3.admin.AdminAdapter.service(AdminAdapter.java:212)
at com.sun.grizzly.tcp.http11.GrizzlyAdapter.service(GrizzlyAdapter.java:179)
at com.sun.enterprise.v3.server.HK2Dispatcher.dispath(HK2Dispatcher.java:117)
at com.sun.enterprise.v3.services.impl.ContainerMapper$Hk2DispatcherCallable.call(ContainerMapper.java:354)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:195)
at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:849)
at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:746)
at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1045)
at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:228)
at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
at java.lang.Thread.run(Thread.java:680)
Caused by: java.lang.IllegalArgumentException: javax.servlet.ServletException: com.sun.enterprise.container.common.spi.util.InjectionException: Error creating managed object for class: class org.glassfish.webservices.WSServletContextListener
at org.apache.catalina.core.StandardContext.addListener(StandardContext.java:2743)
at org.apache.catalina.core.StandardContext.addApplicationListener(StandardContext.java:1966)
at com.sun.enterprise.web.TomcatDeploymentConfig.configureApplicationListener(TomcatDeploymentConfig.java:235)
at com.sun.enterprise.web.TomcatDeploymentConfig.configureWebModule(TomcatDeploymentConfig.java:94)
at com.sun.enterprise.web.WebModuleContextConfig.start(WebModuleContextConfig.java:274)
at com.sun.enterprise.web.WebModuleContextConfig.lifecycleEvent(WebModuleContextConfig.java:172)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:149)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:5329)
... 39 more
Caused by: javax.servlet.ServletException: com.sun.enterprise.container.common.spi.util.InjectionException: Error creating managed object for class: class org.glassfish.webservices.WSServletContextListener
at org.apache.catalina.core.StandardContext.createListener(StandardContext.java:2853)
at org.apache.catalina.core.StandardContext.loadListener(StandardContext.java:4806)
at com.sun.enterprise.web.WebModule.loadListener(WebModule.java:1599)
at org.apache.catalina.core.StandardContext.addListener(StandardContext.java:2740)
... 46 more
Caused by: com.sun.enterprise.container.common.spi.util.InjectionException: Error creating managed object for class: class org.glassfish.webservices.WSServletContextListener
at com.sun.enterprise.container.common.impl.util.InjectionManagerImpl.createManagedObject(InjectionManagerImpl.java:315)
at com.sun.enterprise.web.WebContainer.createListenerInstance(WebContainer.java:761)
at com.sun.enterprise.web.WebModule.createListenerInstance(WebModule.java:1987)
at org.apache.catalina.core.StandardContext.createListener(StandardContext.java:2851)
... 49 more
Caused by: java.lang.NullPointerException
at com.sun.enterprise.container.common.impl.managedbean.ManagedBeanManagerImpl.createManagedBean(ManagedBeanManagerImpl.java:477)
at com.sun.enterprise.container.common.impl.managedbean.ManagedBeanManagerImpl.createManagedBean(ManagedBeanManagerImpl.java:420)
at com.sun.enterprise.container.common.impl.util.InjectionManagerImpl.createManagedObject(InjectionManagerImpl.java:299)
... 52 more
WARNING: java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: java.lang.IllegalArgumentException: javax.servlet.ServletException: com.sun.enterprise.container.common.spi.util.InjectionException: Error creating managed object for class: class org.glassfish.webservices.WSServletContextListener
java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: java.lang.IllegalArgumentException: javax.servlet.ServletException: com.sun.enterprise.container.common.spi.util.InjectionException: Error creating managed object for class: class org.glassfish.webservices.WSServletContextListener
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:921)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:901)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:733)
at com.sun.enterprise.web.WebContainer.loadWebModule(WebContainer.java:2018)
at com.sun.enterprise.web.WebContainer.loadWebModule(WebContainer.java:1669)
at com.sun.enterprise.web.WebApplication.start(WebApplication.java:109)
at org.glassfish.internal.data.EngineRef.start(EngineRef.java:130)
at org.glassfish.internal.data.ModuleInfo.start(ModuleInfo.java:269)
at org.glassfish.internal.data.ApplicationInfo.start(ApplicationInfo.java:301)
at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:461)
at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:240)
at org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:389)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$1.execute(CommandRunnerImpl.java:348)
at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:363)
at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:1085)
at com.sun.enterprise.v3.admin.CommandRunnerImpl.access$1200(CommandRunnerImpl.java:95)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1291)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1259)
at com.sun.enterprise.v3.admin.AdminAdapter.doCommand(AdminAdapter.java:461)
at com.sun.enterprise.v3.admin.AdminAdapter.service(AdminAdapter.java:212)
at com.sun.grizzly.tcp.http11.GrizzlyAdapter.service(GrizzlyAdapter.java:179)
at com.sun.enterprise.v3.server.HK2Dispatcher.dispath(HK2Dispatcher.java:117)
at com.sun.enterprise.v3.services.impl.ContainerMapper$Hk2DispatcherCallable.call(ContainerMapper.java:354)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:195)
at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:849)
at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:746)
at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1045)
at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:228)
at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
at java.lang.Thread.run(Thread.java:680)
SEVERE: Exception while invoking class com.sun.enterprise.web.WebApplication start method
java.lang.Exception: java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: java.lang.IllegalArgumentException: javax.servlet.ServletException: com.sun.enterprise.container.common.spi.util.InjectionException: Error creating managed object for class: class org.glassfish.webservices.WSServletContextListener
at com.sun.enterprise.web.WebApplication.start(WebApplication.java:138)
at org.glassfish.internal.data.EngineRef.start(EngineRef.java:130)
at org.glassfish.internal.data.ModuleInfo.start(ModuleInfo.java:269)
at org.glassfish.internal.data.ApplicationInfo.start(ApplicationInfo.java:301)
at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:461)
at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:240)
at org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:389)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$1.execute(CommandRunnerImpl.java:348)
at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:363)
at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:1085)
at com.sun.enterprise.v3.admin.CommandRunnerImpl.access$1200(CommandRunnerImpl.java:95)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1291)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1259)
at com.sun.enterprise.v3.admin.AdminAdapter.doCommand(AdminAdapter.java:461)
at com.sun.enterprise.v3.admin.AdminAdapter.service(AdminAdapter.java:212)
at com.sun.grizzly.tcp.http11.GrizzlyAdapter.service(GrizzlyAdapter.java:179)
at com.sun.enterprise.v3.server.HK2Dispatcher.dispath(HK2Dispatcher.java:117)
at com.sun.enterprise.v3.services.impl.ContainerMapper$Hk2DispatcherCallable.call(ContainerMapper.java:354)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:195)
at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:849)
at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:746)
at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1045)
at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:228)
at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
at java.lang.Thread.run(Thread.java:680)
豆子：
package Controllers;
import Domain.Device;
import Domain.Employee;
import Domain.Tags;
import Service.CompanyFacade;
import Service.DeviceFacade;
import Service.EmployeeFacade;
import java.util.*;
import javax.annotation.PostConstruct;
import javax.inject.Named;
import javax.enterprise.context.RequestScoped;
import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
import javax.faces.event.ValueChangeEvent;
import javax.inject.Inject;
@Named(value = "employeeController")
@RequestScoped
public class EmployeeController {
@Inject
private EmployeeFacade employeeFacade;
@Inject
private CompanyFacade companyFacade;
@Inject
private DeviceFacade deviceFacade;
private Employee selectedEmployee;
private String emptyMessage;
private Long employeeID;
private String firstNameOld;
private String firstNameNew;
private String insertionOld;
private String insertionNew;
private String lastNameOld;
private String lastNameNew;
private String functionNameNew;
private String functionNameOld;
private String emailNew;
private String emailOld;
private List<Employee> employees;
/**
* Creates a new instance of EmployeeController
*/
public EmployeeController() {
this.emptyMessage = "Er zijn geen werknemers gevonden.";
}
@PostConstruct
public void init(){
String user = FacesContext.getCurrentInstance()
.getExternalContext()
.getRemoteUser();
Long companyID = null;
System.out.println("user: " + user);
try{
companyID = this.companyFacade.getCompanyIDByUser(user);
}
catch(NullPointerException ex){
FacesContext.getCurrentInstance().addMessage(null,
new FacesMessage(FacesMessage.SEVERITY_ERROR,
"Kan geen werknemers vinden.", ""));
}
System.out.println(companyID);
if (companyID == null) {
this.employees = new ArrayList<Employee>();
}else{
this.employees = (List<Employee>) this.employeeFacade.getAllByCompany(companyID);
}
}
public Collection<Employee> getEmployees(){
return this.employees;
}
public Collection<Tags> getTags(){
return this.employeeFacade.getTags(1L, 1L);
}
public Collection<Device> getDevices(){
return new ArrayList<Device>();
}
public String getEmptyMessage() {
return emptyMessage;
}
public void firstNameChanged(ValueChangeEvent event) {
System.out.println("firstNameChanged called.");
this.firstNameOld = event.getOldValue().toString();
this.firstNameNew = event.getNewValue().toString();
//FacesContext context = FacesContext.getCurrentInstance();
//Employee emp = context.getApplication().evaluateExpressionGet(context, "#{emp}", Employee.class);
this.employeeID = this.selectedEmployee.getId();
}
public void insertionChanged(ValueChangeEvent event){
this.insertionOld = event.getOldValue().toString();
this.insertionNew = event.getNewValue().toString();
// FacesContext context = FacesContext.getCurrentInstance();
// Employee emp = context.getApplication().evaluateExpressionGet(context, "#{emp}", Employee.class);
this.employeeID = this.selectedEmployee.getId();
}
public void lastNameChanged(ValueChangeEvent event){
this.lastNameOld = event.getOldValue().toString();
this.lastNameNew = event.getNewValue().toString();
// FacesContext context = FacesContext.getCurrentInstance();
// Employee emp = context.getApplication().evaluateExpressionGet(context, "#{emp}", Employee.class);
this.employeeID = this.selectedEmployee.getId();
}
public void emailChanged(ValueChangeEvent event){
this.emailOld = event.getOldValue().toString();
this.emailNew = event.getNewValue().toString();
// FacesContext context = FacesContext.getCurrentInstance();
// Employee emp = context.getApplication().evaluateExpressionGet(context, "#{emp}", Employee.class);
this.employeeID = this.selectedEmployee.getId();
}
public void functionNameChanged(ValueChangeEvent event){
this.functionNameOld = event.getOldValue().toString();
this.functionNameNew = event.getNewValue().toString();
// FacesContext context = FacesContext.getCurrentInstance();
// Employee emp = context.getApplication().evaluateExpressionGet(context, "#{emp}", Employee.class);
this.employeeID = this.selectedEmployee.getId();
}
public void saveName(){
System.out.println("saveName called.");
if(this.firstNameNew == null || this.firstNameOld == null){
}
else if(!this.firstNameNew.equals(this.firstNameOld)){
if (this.employeeID != null) {
Employee emp = this.employeeFacade.getByID(this.employeeID);
emp.setFirstName(this.firstNameNew);
this.employeeFacade.edit(emp);
this.employeeID = null;
this.firstNameNew = null;
this.firstNameOld = null;
}
}
}
public void saveInsertion(){
if(this.insertionNew == null || this.insertionOld == null){
}
else if(!this.insertionNew.equals(this.insertionOld)){
if (this.employeeID != null) {
Employee emp = this.employeeFacade.getByID(this.employeeID);
emp.setInsertion(this.insertionNew);
this.employeeFacade.edit(emp);
this.employeeID = null;
this.insertionNew = null;
this.insertionOld = null;
}
}
}
public void saveLastName(){
if(this.lastNameNew == null || this.lastNameOld == null){
}
else if(!this.lastNameNew.equals(this.lastNameOld)){
if (this.employeeID != null) {
Employee emp = this.employeeFacade.getByID(this.employeeID);
emp.setLastName(this.lastNameNew);
this.employeeFacade.edit(emp);
this.employeeID = null;
this.lastNameNew = null;
this.lastNameOld = null;
}
}
}
public void saveFunctionName(){
if(this.functionNameNew == null || this.functionNameOld == null){
}
else if(!this.functionNameNew.equals(this.functionNameOld)){
if (this.employeeID != null) {
Employee emp = this.employeeFacade.getByID(this.employeeID);
emp.setFunctionName(this.functionNameNew);
this.employeeFacade.edit(emp);
this.employeeID = null;
this.functionNameNew = null;
this.functionNameOld = null;
}
}
}
public void saveEmail(){
if(this.emailNew == null || this.emailOld == null){
}
else if(!this.emailNew.equals(this.emailOld)){
if (this.employeeID != null) {
Employee emp = this.employeeFacade.getByID(this.employeeID);
emp.setEmail(this.emailNew);
this.employeeFacade.edit(emp);
this.employeeID = null;
this.emailNew = null;
this.emailOld = null;
}
}
}
public void cancel(){
this.employeeID = null;
}
public Employee getSelectedEmployee() {
return selectedEmployee;
}
public void setSelectedEmployee(Employee selectedEmployee) {
System.out.println("setEmp: " + selectedEmployee.toString());
this.selectedEmployee = selectedEmployee;
}