fix nil pointer exception
fix nil pointer exception

grodrigues3/contrib,spxtr/contrib,olark/kubernetes-contrib,fcvarela/contrib,fcvarela/contrib,kskalski/contrib,girishkalele/contrib,k8s-packages-power/contrib,rmmh/kubernetes-contrib,girishkalele/contrib,eastbanctech/kubernetes-contrib,thockin/contrib,vishpat/contrib,foxish/contrib,spxtr/contrib,ixdy/kubernetes-contrib,k8s-packages-power/contrib,aledbf/contrib,Wattpad/kubernetes-contrib,fcvarela/contrib,jcmoraisjr/k8s-contrib,gouyang/contrib,piosz/contrib,marketlogicsoftware/contrib,eparis/contrib,marketlogicsoftware/contrib,kskalski/contrib,rchicoli/kubernetes-contrib,pwittrock/contrib,xialonglee/contrib,xialonglee/contrib,Q-Lee/contrib,ixdy/contrib,cdemers/contrib,foxish/contrib,jcmoraisjr/k8s-contrib,devlinmr/contrib,spxtr/contrib,x13n/contrib,rchicoli/kubernetes-contrib,cdemers/contrib,verb/contrib,spxtr/contrib,pwittrock/contrib,xialonglee/contrib,eastbanctech/kubernetes-contrib,kow3ns/contrib,gouyang/contrib,gouyang/contrib,thockin/contrib,caesarxuchao/contrib,micheleorsi/contrib,Q-Lee/contrib,endocode/contrib,chiradeep/contrib,endocode/contrib,kskalski/contrib,luxas/contrib,jcmoraisjr/k8s-contrib,caesarxuchao/contrib,moul/contrib,krzyzacy/contrib,mikedanese/contrib,micheleorsi/contrib,pwittrock/contrib,ixdy/contrib,jcmoraisjr/k8s-contrib,chiradeep/contrib,krzyzacy/contrib,caesarxuchao/contrib,piosz/contrib,hongchaodeng/contrib,krzyzacy/contrib,girishkalele/contrib,eastbanctech/kubernetes-contrib,danushkaf/contrib,chiradeep/contrib,vishpat/contrib,Wattpad/kubernetes-contrib,gouyang/contrib,ixdy/kubernetes-contrib,foxish/contrib,ingvagabund/contrib,chiradeep/contrib,x13n/contrib,verb/contrib,devlinmr/contrib,marketlogicsoftware/contrib,mikedanese/contrib,pwittrock/contrib,aledbf/contrib,eastbanctech/kubernetes-contrib,pwittrock/contrib,jasonbrooks/contrib,upmc-enterprises/contrib,widgetpl/contrib,rmmh/kubernetes-contrib,Wattpad/kubernetes-contrib,grodrigues3/contrib,kskalski/contrib,piosz/contrib,stephenrlouie/contrib,widgetpl/contrib,devlinmr/contrib,cdemers/contrib,girishkalele/contrib,stephenrlouie/contrib,eastbanctech/kubernetes-contrib,ixdy/kubernetes-contrib,olark/kubernetes-contrib,Pensu/contrib,olark/kubernetes-contrib,Pensu/contrib,luxas/contrib,moul/contrib,moul/contrib,stephenrlouie/contrib,upmc-enterprises/contrib,grodrigues3/contrib,fcvarela/contrib,grodrigues3/contrib,fcvarela/contrib,ingvagabund/contrib,verb/contrib,stephenrlouie/contrib,vishpat/contrib,eparis/contrib,olark/kubernetes-contrib,gmarek/contrib,marketlogicsoftware/contrib,marketlogicsoftware/contrib,Q-Lee/contrib,k8s-packages-power/contrib,cdemers/contrib,luxas/contrib,ixdy/kubernetes-contrib,rchicoli/kubernetes-contrib,eparis/contrib,rmmh/kubernetes-contrib,Wattpad/kubernetes-contrib,Q-Lee/contrib,thockin/contrib,piosz/contrib,olark/kubernetes-contrib,Q-Lee/contrib,rmmh/kubernetes-contrib,ingvagabund/contrib,aledbf/contrib,hongchaodeng/contrib,hongchaodeng/contrib,x13n/contrib,caesarxuchao/contrib,ingvagabund/contrib,aledbf/contrib,pwittrock/contrib,devlinmr/contrib,grodrigues3/contrib,thockin/contrib,aledbf/contrib,moul/contrib,lewislyou/contrib,xialonglee/contrib,olark/kubernetes-contrib,devlinmr/contrib,endocode/contrib,x13n/contrib,jasonbrooks/contrib,kskalski/contrib,jasonbrooks/contrib,kow3ns/contrib,thockin/contrib,ingvagabund/contrib,kow3ns/contrib,stephenrlouie/contrib,Pensu/contrib,rchicoli/kubernetes-contrib,kow3ns/contrib,jcmoraisjr/k8s-contrib,thockin/contrib,devlinmr/contrib,vishpat/contrib,ixdy/kubernetes-contrib,luxas/contrib,eastbanctech/kubernetes-contrib,rchicoli/kubernetes-contrib,x13n/contrib,lewislyou/contrib,kow3ns/contrib,moul/contrib,hongchaodeng/contrib,Wattpad/kubernetes-contrib,danushkaf/contrib,danushkaf/contrib,cdemers/contrib,fcvarela/contrib,lewislyou/contrib,ingvagabund/contrib,girishkalele/contrib,luxas/contrib,chiradeep/contrib,micheleorsi/contrib,mikedanese/contrib,eparis/contrib,jcmoraisjr/k8s-contrib,gmarek/contrib,widgetpl/contrib,k8s-packages-power/contrib,verb/contrib,Pensu/contrib,danushkaf/contrib,luxas/contrib,vishpat/contrib,rchicoli/kubernetes-contrib,lewislyou/contrib,endocode/contrib,girishkalele/contrib,verb/contrib,k8s-packages-power/contrib,foxish/contrib,widgetpl/contrib,k8s-packages-power/contrib,micheleorsi/contrib,hongchaodeng/contrib,gmarek/contrib,gmarek/contrib,x13n/contrib,chiradeep/contrib,rmmh/kubernetes-contrib,foxish/contrib,cdemers/contrib,lewislyou/contrib,ixdy/kubernetes-contrib,chiradeep/contrib,piosz/contrib,micheleorsi/contrib,kskalski/contrib,hongchaodeng/contrib,marketlogicsoftware/contrib,aledbf/contrib,lewislyou/contrib,piosz/contrib,caesarxuchao/contrib,rmmh/kubernetes-contrib,upmc-enterprises/contrib,jasonbrooks/contrib,Wattpad/kubernetes-contrib,danushkaf/contrib,endocode/contrib,xialonglee/contrib,gouyang/contrib,gmarek/contrib,mikedanese/contrib,verb/contrib,danushkaf/contrib,Q-Lee/contrib,mikedanese/contrib,Pensu/contrib,widgetpl/contrib,krzyzacy/contrib,Pensu/contrib,gmarek/contrib,caesarxuchao/contrib,foxish/contrib,jasonbrooks/contrib,spxtr/contrib,eparis/contrib,grodrigues3/contrib,ixdy/contrib,mikedanese/contrib,xialonglee/contrib,upmc-enterprises/contrib,micheleorsi/contrib,upmc-enterprises/contrib,jasonbrooks/contrib,krzyzacy/contrib,vishpat/contrib,stephenrlouie/contrib,widgetpl/contrib,eparis/contrib,gouyang/contrib,endocode/contrib,spxtr/contrib,krzyzacy/contrib,kow3ns/contrib,upmc-enterprises/contrib