java.lang.NoClassDefFoundError: org/apache/poi/ss/usermodel/RichTextString


If you get the following exception you need to download the related jar file named poi-3.7.xyz.jar here

java.lang.NoClassDefFoundError: org/apache/poi/ss/usermodel/RichTextString
    org.primefaces.component.export.ExporterFactory.getExporterForType(ExporterFactory.java:22)
    org.primefaces.component.export.DataExporter.processAction(DataExporter.java:94)
    javax.faces.event.ActionEvent.processListener(ActionEvent.java:88)
    javax.faces.component.UIComponentBase.broadcast(UIComponentBase.java:769)
    javax.faces.component.UICommand.broadcast(UICommand.java:300)
    javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:794)
    javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1259)
    com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
    com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
    com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
    javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)

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