java.lang.NullPointerException
<UIViewRootBridgeImpl id="_drivesskilldetail_WAR_euprojectdrivesplatformgui_" inView="true" locale="en_US" renderKitId="HTML_BASIC" rendered="true" transient="false" viewId="/WEB-INF/views/skill_detail/view.xhtml">javax_faces_location_HEAD<ComponentResourceContainer id="javax_faces_location_HEAD" inView="true" rendered="true" transient="false"><UIOutput id="j_idt2" inView="false" rendered="true" transient="false"/><UIOutput inView="true" rendered="true" transient="false"/><UIOutput inView="true" rendered="true" transient="false"/><UIOutput inView="true" rendered="true" transient="false"/><UIOutput inView="true" rendered="true" transient="false"/><UIOutput inView="true" rendered="true" transient="false"/><InlineScript id="j_id2" inView="true" rendered="true" transient="false"/></ComponentResourceContainer><UIOutput id="j_idt1" inView="true" rendered="true" transient="false"/><HtmlBody id="j_idt3" inView="true" rendered="true" transient="false"><HtmlForm enctype="application/x-www-form-urlencoded" id="sckForm" inView="true" prependId="true" rendered="true" submitted="false" transient="false"><BreadCrumb homeDisplay="icon" id="j_idt4" inView="true" rendered="true" tabindex="0" transient="false"><UIMenuItem ajax="true" async="false" disableClientWindow="false" disabled="false" escape="true" global="true" iconPos="right" id="j_idt5" ignoreAutoUpdate="false" immediate="false" inView="true" includeViewParams="false" partialSubmit="false" rendered="true" resetValues="false" styleClass="ui-icon ui-icon-home" timeout="0" transient="false" value="Home"/><UIMenuItem ajax="true" async="false" disableClientWindow="false" disabled="false" escape="true" global="true" iconPos="right" id="j_idt6" ignoreAutoUpdate="false" immediate="false" inView="true" includeViewParams="false" partialSubmit="false" rendered="true" resetValues="false" timeout="0" transient="false" value="Training Courses"/><UIMenuItem ajax="true" async="false" disableClientWindow="false" disabled="false" escape="true" global="true" iconPos="right" id="j_idt7" ignoreAutoUpdate="false" immediate="false" inView="true" includeViewParams="false" partialSubmit="false" rendered="true" resetValues="false" timeout="0" transient="false" value="Training Detail"/><UIMenuItem ajax="true" async="false" disableClientWindow="false" disabled="false" escape="true" global="true" iconPos="right" id="j_idt8" ignoreAutoUpdate="false" immediate="false" inView="true" includeViewParams="false" partialSubmit="false" rendered="true" resetValues="false" timeout="0" transient="false" value="Skills/Competence, Knowledge Detail"/></BreadCrumb><h1>#{skillDetailViewBean.sck.preferredLabel}</h1> <div class="card"><PanelGrid columns="3" id="j_idt10" inView="true" layout="grid" rendered="true" role="grid" transient="false"><ComponentRef id="j_idt11" inView="true" rendered="true" transient="false"><HtmlOutputText escape="true" id="j_idt12" inView="true" rendered="true" styleClass="bold font-detail-grid-bigger" transient="false"/><br/><HtmlOutputText escape="true" id="j_idt14" inView="true" rendered="true" styleClass="text-capitals small" transient="false" value="Database"/></ComponentRef><ComponentRef id="j_idt15" inView="true" rendered="true" transient="false"><HtmlOutputText escape="true" id="j_idt16" inView="true" rendered="true" styleClass="bold font-detail-grid-bigger" transient="false"/><br/><HtmlOutputText escape="true" id="j_idt18" inView="true" rendered="true" styleClass="text-capitals small" transient="false" value="Working Group"/></ComponentRef><ComponentRef id="j_idt19" inView="true" rendered="true" transient="false"><HtmlOutputText escape="true" id="j_idt20" inView="true" rendered="true" styleClass="bold font-detail-grid-bigger" transient="false"/><br/><HtmlOutputText escape="true" id="j_idt22" inView="true" rendered="true" styleClass="text-capitals small" transient="false" value="Type"/></ComponentRef></PanelGrid></div> <div align="justify" style="margin: 10px;"><HtmlOutputText escape="true" id="j_idt24" inView="true" rendered="true" styleClass="bold" transient="false"/></div><TabView activeIndex="0" cache="true" dir="ltr" dynamic="false" effectDuration="normal" id="j_idt26" inView="true" index="-1" offset="0" orientation="top" prependId="true" rendered="true" scrollable="false" size="-1" step="1" style="padding:15px;" styleClass="card" transient="false"><Tab closable="false" disabled="false" id="j_idt27" inView="true" loaded="false" transient="false">title<UIPanel inView="true" rendered="true" transient="false"><i class="pi pi-briefcase"/><Spacer id="j_idt29" inView="true" rendered="true" transient="false" width="10"/><HtmlOutputText escape="true" id="j_idt30" inView="true" rendered="true" transient="false" value="Trainings"/></UIPanel><UIRepeat id="j_idt31" inView="true" rendered="true" transient="false" var="training"><Toolbar id="j_idt32" inView="true" rendered="true" styleClass="toolbar-clean" transient="false">left<CommandLink ajax="true" async="false" disabled="false" global="true" id="j_idt33" ignoreAutoUpdate="false" immediate="false" inView="true" partialSubmit="false" rendered="true" resetValues="false" styleClass="bold" timeout="0" transient="false" validateClient="false">#{training.name}</CommandLink>right<UIPanel inView="true" rendered="true" transient="false"><HtmlOutputText escape="true" id="j_idt35" inView="true" rendered="true" transient="false"/><Spacer id="j_idt36" inView="true" rendered="true" transient="false" width="10"/><CommandButton action="#{skillDetailViewBean.trainingDetail(training.id)}" actionExpression="#{skillDetailViewBean.trainingDetail(training.id)}" ajax="true" async="false" disabled="false" escape="true" global="true" iconPos="left" id="j_idt37" ignoreAutoUpdate="false" immediate="false" inView="true" inline="false" partialSubmit="false" readonly="false" renderDisabledClick="true" rendered="true" resetValues="false" timeout="0" transient="false" type="submit" validateClient="false" value="Detail"/></UIPanel></Toolbar><UISeparator id="j_idt38" inView="true" rendered="true" transient="false"/></UIRepeat></Tab><Tab closable="false" disabled="false" id="j_idt39" inView="true" loaded="false" transient="false">title<UIPanel inView="true" rendered="true" transient="false"><i class="pi pi-users"/><Spacer id="j_idt41" inView="true" rendered="true" transient="false" width="10"/><HtmlOutputText escape="true" id="j_idt42" inView="true" rendered="true" transient="false" value="Job Roles"/></UIPanel><UIRepeat id="j_idt43" inView="true" rendered="true" transient="false" var="job"><Toolbar id="j_idt44" inView="true" rendered="true" styleClass="toolbar-clean" transient="false">left<CommandLink ajax="true" async="false" disabled="false" global="true" id="j_idt45" ignoreAutoUpdate="false" immediate="false" inView="true" partialSubmit="false" rendered="true" resetValues="false" styleClass="bold" timeout="0" transient="false" validateClient="false">#{job.preferredLabel}</CommandLink>right<UIPanel inView="true" rendered="true" transient="false"><HtmlOutputText escape="true" id="j_idt47" inView="true" rendered="true" transient="false"/><Spacer id="j_idt48" inView="true" rendered="true" transient="false" width="10"/><CommandButton action="#{skillDetailViewBean.jobDetail(job.id)}" actionExpression="#{skillDetailViewBean.jobDetail(job.id)}" ajax="true" async="false" disabled="false" escape="true" global="true" iconPos="left" id="j_idt49" ignoreAutoUpdate="false" immediate="false" inView="true" inline="false" partialSubmit="false" readonly="false" renderDisabledClick="true" rendered="true" resetValues="false" timeout="0" transient="false" type="submit" validateClient="false" value="Detail"/></UIPanel></Toolbar><UISeparator id="j_idt50" inView="true" rendered="true" transient="false"/></UIRepeat></Tab></TabView></HtmlForm></HtmlBody></UIViewRootBridgeImpl>