error when generate pom after import an old job

1.import the attached job 2.check the error log Expect result: import successfully without error Actual result: Job [MS_Unemployment_Standard_1.1] encountered problems while generating pom java.lang.Exception: Job [MS_Unemployment_Standard_1.1] encountered problems while generating pom : at org.talend.designer.runprocess.java.TalendJavaProjectManager.generatePom(TalendJavaProjectManager.java:528) at org.talend.designer.runprocess.maven.listener.ProcessChangeListener.caseImport(ProcessChangeListener.java:320) at org.talend.designer.runprocess.maven.listener.ProcessChangeListener.access$7(ProcessChangeListener.java:315) at org.talend.designer.runprocess.maven.listener.ProcessChangeListener$1.run(ProcessChangeListener.java:92) at org.talend.repository.RepositoryWorkUnit.executeRun(RepositoryWorkUnit.java:99) at org.talend.core.repository.model.AbstractRepositoryFactory.executeRepositoryWorkUnit(AbstractRepositoryFactory.java:258) at org.talend.repository.localprovider.model.LocalRepositoryFactory.executeRepositoryWorkUnit(LocalRepositoryFactory.java:3446) at org.talend.core.repository.model.ProxyRepositoryFactory.executeRepositoryWorkUnit(ProxyRepositoryFactory.java:2265) at org.talend.designer.runprocess.maven.listener.ProcessChangeListener.propertyChange(ProcessChangeListener.java:97) at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:327) at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263) at org.talend.core.repository.model.ProxyRepositoryFactory.fireRepositoryPropertyChange(ProxyRepositoryFactory.java:193) at org.talend.repository.items.importexport.handlers.ImportExportHandlersManager.fireImportChange(ImportExportHandlersManager.java:815) at org.talend.repository.items.importexport.handlers.ImportExportHandlersManager.access$1(ImportExportHandlersManager.java:810) at org.talend.repository.items.importexport.handlers.ImportExportHandlersManager$3.run(ImportExportHandlersManager.java:772) at org.talend.repository.RepositoryWorkUnit.executeRun(RepositoryWorkUnit.java:99) at org.talend.core.repository.model.AbstractRepositoryFactory.executeRepositoryWorkUnit(AbstractRepositoryFactory.java:258) at org.talend.repository.localprovider.model.LocalRepositoryFactory.executeRepositoryWorkUnit(LocalRepositoryFactory.java:3446) at org.talend.core.repository.model.ProxyRepositoryFactory.executeRepositoryWorkUnit(ProxyRepositoryFactory.java:2265) at org.talend.repository.items.importexport.handlers.ImportExportHandlersManager.importItemRecords(ImportExportHandlersManager.java:777) at org.talend.repository.items.importexport.ui.wizard.imports.ImportItemsWizardPage$20.run(ImportItemsWizardPage.java:1010) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:122) Caused by: java.lang.NullPointerException at org.talend.designer.joblet.JobletProviderService.setPropertyForJobletComponent(JobletProviderService.java:434) at org.talend.designer.core.ui.editor.process.Process.loadNodes(Process.java:2284) at org.talend.designer.core.ui.editor.process.Process.loadXmlFile(Process.java:2080) at org.talend.designer.core.ProcessConvertServiceImpl.getProcessFromItem(ProcessConvertServiceImpl.java:22) at org.talend.designer.core.DesignerCoreService.getProcessFromItemByExtendion(DesignerCoreService.java:160) at org.talend.designer.core.DesignerCoreService.getProcessFromItem(DesignerCoreService.java:153) at org.talend.designer.runprocess.java.TalendJavaProjectManager.generatePom(TalendJavaProjectManager.java:509) ... 22 more