Fix initialization problem (#5771)
Fix initialization problem (#5771)

* Fix initialization problem

* Comment signal handler due to scala error

reminisce/mxnet,zhreshold/mxnet,ykim362/mxnet,coder-james/mxnet,danithaca/mxnet,arikpoz/mxnet,sxjscience/mxnet,larroy/mxnet,kkk669/mxnet,yuruofeifei/mxnet,Northrend/mxnet,navrasio/mxnet,coder-james/mxnet,yuruofeifei/mxnet,crazy-cat/incubator-mxnet,nicklhy/mxnet,mbaijal/incubator-mxnet,saurabh3949/mxnet,antoan2/incubator-mxnet,hotpxl/mxnet,Ldpe2G/mxnet,smolix/incubator-mxnet,nicklhy/mxnet,ForkedReposBak/mxnet,likelyzhao/mxnet,kevinthesun/mxnet,hotpxl/mxnet,jermainewang/mxnet,hpi-xnor/BMXNet,ykim362/mxnet,weleen/mxnet,crazy-cat/incubator-mxnet,jamesliu/mxnet,likelyzhao/mxnet,piiswrong/mxnet,lxn2/mxnet,sergeykolychev/mxnet,zhreshold/mxnet,hotpxl/mxnet,arank/mxnet,LinkHS/incubator-mxnet,ykim362/mxnet,CodingCat/mxnet,xcgoner/dist-mxnet,Prasad9/incubator-mxnet,fullfanta/mxnet,solin319/incubator-mxnet,ForkedReposBak/mxnet,luoyetx/mxnet,ShownX/incubator-mxnet,tlby/mxnet,jiajiechen/mxnet,xcgoner/dist-mxnet,piiswrong/mxnet,reminisce/mxnet,piiswrong/mxnet,mbaijal/incubator-mxnet,smolix/incubator-mxnet,luoyetx/mxnet,ZihengJiang/mxnet,tornadomeet/mxnet,eric-haibin-lin/mxnet,Northrend/mxnet,jamesliu/mxnet,jennyzhang0215/incubator-mxnet,weleen/mxnet,LinkHS/incubator-mxnet,jennyzhang0215/incubator-mxnet,stefanhenneking/mxnet,coder-james/mxnet,antoan2/incubator-mxnet,CodingCat/mxnet,yajiedesign/mxnet,coder-james/mxnet,wangyum/mxnet,nicklhy/mxnet,mbaijal/incubator-mxnet,ShownX/incubator-mxnet,fullfanta/mxnet,ZihengJiang/mxnet,smolix/incubator-mxnet,arikpoz/mxnet,saurabh3949/mxnet,rahul003/mxnet,kevinthesun/mxnet,piiswrong/mxnet,coder-james/mxnet,likelyzhao/mxnet,Ldpe2G/mxnet,hesseltuinhof/mxnet,eric-haibin-lin/mxnet,arank/mxnet,EvanzzzZ/mxnet,Mega-DatA-Lab/mxnet,fullfanta/mxnet,kevinthesun/mxnet,solin319/incubator-mxnet,ZihengJiang/mxnet,fullfanta/mxnet,wangyum/mxnet,vikingMei/mxnet,saurabh3949/mxnet,ptrendx/mxnet,CodingCat/mxnet,fullfanta/mxnet,nicklhy/mxnet,danithaca/mxnet,jennyzhang0215/incubator-mxnet,gautamkmr/incubator-mxnet,szha/mxnet,antoan2/incubator-mxnet,apaleyes/mxnet,larroy/mxnet,eric-haibin-lin/mxnet,danithaca/mxnet,arank/mxnet,kkk669/mxnet,TuSimple/mxnet,rishita/mxnet,sxjscience/mxnet,jermainewang/mxnet,rishita/mxnet,piiswrong/mxnet,szha/mxnet,lxn2/mxnet,sergeykolychev/mxnet,weleen/mxnet,leezu/mxnet,dmlc/mxnet,arank/mxnet,rishita/mxnet,arank/mxnet,rahul003/mxnet,lxn2/mxnet,reminisce/mxnet,jiajiechen/mxnet,antoan2/incubator-mxnet,wangyum/mxnet,pluskid/mxnet,precedenceguo/mxnet,larroy/mxnet,lxn2/mxnet,mbaijal/incubator-mxnet,ZihengJiang/mxnet,rahul003/mxnet,kevinthesun/mxnet,LinkHS/incubator-mxnet,TuSimple/mxnet,leezu/mxnet,tlby/mxnet,leezu/mxnet,jiajiechen/mxnet,zhreshold/mxnet,TuSimple/mxnet,eric-haibin-lin/mxnet,precedenceguo/mxnet,stefanhenneking/mxnet,ZihengJiang/mxnet,LinkHS/incubator-mxnet,ShownX/incubator-mxnet,yajiedesign/mxnet,formath/mxnet,hotpxl/mxnet,hotpxl/mxnet,madjam/mxnet,larroy/mxnet,CodingCat/mxnet,crazy-cat/incubator-mxnet,danithaca/mxnet,szha/mxnet,nicklhy/mxnet,gautamkmr/incubator-mxnet,saurabh3949/mxnet,hpi-xnor/BMXNet,leezu/mxnet,rishita/mxnet,kevinthesun/mxnet,zhreshold/mxnet,hesseltuinhof/mxnet,arikpoz/mxnet,jiajiechen/mxnet,crazy-cat/incubator-mxnet,indhub/mxnet,jiajiechen/mxnet,stefanhenneking/mxnet,tornadomeet/mxnet,eric-haibin-lin/mxnet,EvanzzzZ/mxnet,wangyum/mxnet,gautamkmr/incubator-mxnet,Mega-DatA-Lab/mxnet,yuruofeifei/mxnet,DickJC123/mxnet,saurabh3949/mxnet,precedenceguo/mxnet,vikingMei/mxnet,dmlc/mxnet,reminisce/mxnet,dmlc/mxnet,rishita/mxnet,rahul003/mxnet,tlby/mxnet,xcgoner/dist-mxnet,hotpxl/mxnet,tlby/mxnet,arank/mxnet,likelyzhao/mxnet,sergeykolychev/mxnet,apaleyes/mxnet,ZihengJiang/mxnet,hotpxl/mxnet,hpi-xnor/BMXNet,stefanhenneking/mxnet,thirdwing/mxnet,CodingCat/mxnet,thirdwing/mxnet,rishita/mxnet,LinkHS/incubator-mxnet,jennyzhang0215/incubator-mxnet,gautamkmr/incubator-mxnet,hpi-xnor/BMXNet,arikpoz/mxnet,ForkedReposBak/mxnet,fullfanta/mxnet,ptrendx/mxnet,DR08/mxnet,szha/mxnet,solin319/incubator-mxnet,ptrendx/mxnet,wangyum/mxnet,DickJC123/mxnet,stefanhenneking/mxnet,lxn2/mxnet,piiswrong/mxnet,DR08/mxnet,jermainewang/mxnet,navrasio/mxnet,indhub/mxnet,Ldpe2G/mxnet,EvanzzzZ/mxnet,eric-haibin-lin/mxnet,ptrendx/mxnet,dmlc/mxnet,EvanzzzZ/mxnet,sergeykolychev/mxnet,navrasio/mxnet,precedenceguo/mxnet,mbaijal/incubator-mxnet,sxjscience/mxnet,saurabh3949/mxnet,mbaijal/incubator-mxnet,Ldpe2G/mxnet,crazy-cat/incubator-mxnet,ptrendx/mxnet,ykim362/mxnet,kkk669/mxnet,rishita/mxnet,madjam/mxnet,xcgoner/dist-mxnet,indhub/mxnet,lxn2/mxnet,Northrend/mxnet,apaleyes/mxnet,gautamkmr/incubator-mxnet,tlby/mxnet,jennyzhang0215/incubator-mxnet,saurabh3949/mxnet,yajiedesign/mxnet,szha/mxnet,tornadomeet/mxnet,reminisce/mxnet,solin319/incubator-mxnet,luoyetx/mxnet,danithaca/mxnet,EvanzzzZ/mxnet,Mega-DatA-Lab/mxnet,piiswrong/mxnet,formath/mxnet,szha/mxnet,DickJC123/mxnet,ykim362/mxnet,danithaca/mxnet,Northrend/mxnet,ykim362/mxnet,kevinthesun/mxnet,yuruofeifei/mxnet,kevinthesun/mxnet,eric-haibin-lin/mxnet,LinkHS/incubator-mxnet,hpi-xnor/BMXNet,TuSimple/mxnet,stefanhenneking/mxnet,tornadomeet/mxnet,hesseltuinhof/mxnet,jiajiechen/mxnet,gautamkmr/incubator-mxnet,Mega-DatA-Lab/mxnet,navrasio/mxnet,vikingMei/mxnet,reminisce/mxnet,tornadomeet/mxnet,DR08/mxnet,hesseltuinhof/mxnet,Ldpe2G/mxnet,coder-james/mxnet,pluskid/mxnet,nicklhy/mxnet,saurabh3949/mxnet,Mega-DatA-Lab/mxnet,ForkedReposBak/mxnet,jermainewang/mxnet,luoyetx/mxnet,ForkedReposBak/mxnet,piiswrong/mxnet,stefanhenneking/mxnet,ShownX/incubator-mxnet,xcgoner/dist-mxnet,sxjscience/mxnet,sergeykolychev/mxnet,jamesliu/mxnet,madjam/mxnet,luoyetx/mxnet,kkk669/mxnet,Ldpe2G/mxnet,vikingMei/mxnet,precedenceguo/mxnet,ptrendx/mxnet,coder-james/mxnet,EvanzzzZ/mxnet,hpi-xnor/BMXNet,weleen/mxnet,jamesliu/mxnet,jamesliu/mxnet,Prasad9/incubator-mxnet,gautamkmr/incubator-mxnet,ykim362/mxnet,hesseltuinhof/mxnet,jiajiechen/mxnet,sergeykolychev/mxnet,rahul003/mxnet,yuruofeifei/mxnet,gautamkmr/incubator-mxnet,weleen/mxnet,apaleyes/mxnet,dmlc/mxnet,apaleyes/mxnet,solin319/incubator-mxnet,DR08/mxnet,Prasad9/incubator-mxnet,jennyzhang0215/incubator-mxnet,vikingMei/mxnet,indhub/mxnet,madjam/mxnet,TuSimple/mxnet,zhreshold/mxnet,ForkedReposBak/mxnet,smolix/incubator-mxnet,precedenceguo/mxnet,jermainewang/mxnet,madjam/mxnet,ptrendx/mxnet,sergeykolychev/mxnet,nicklhy/mxnet,nicklhy/mxnet,likelyzhao/mxnet,formath/mxnet,leezu/mxnet,kkk669/mxnet,Prasad9/incubator-mxnet,likelyzhao/mxnet,LinkHS/incubator-mxnet,pluskid/mxnet,larroy/mxnet,DR08/mxnet,fullfanta/mxnet,tlby/mxnet,arikpoz/mxnet,piiswrong/mxnet,Mega-DatA-Lab/mxnet,kevinthesun/mxnet,arikpoz/mxnet,thirdwing/mxnet,leezu/mxnet,fullfanta/mxnet,CodingCat/mxnet,sxjscience/mxnet,nicklhy/mxnet,hpi-xnor/BMXNet,indhub/mxnet,larroy/mxnet,arikpoz/mxnet,ptrendx/mxnet,crazy-cat/incubator-mxnet,pluskid/mxnet,yajiedesign/mxnet,tornadomeet/mxnet,saurabh3949/mxnet,yajiedesign/mxnet,Mega-DatA-Lab/mxnet,gautamkmr/incubator-mxnet,jamesliu/mxnet,leezu/mxnet,TuSimple/mxnet,kkk669/mxnet,antoan2/incubator-mxnet,tornadomeet/mxnet,arikpoz/mxnet,Mega-DatA-Lab/mxnet,rishita/mxnet,sergeykolychev/mxnet,likelyzhao/mxnet,hpi-xnor/BMXNet,pluskid/mxnet,thirdwing/mxnet,reminisce/mxnet,weleen/mxnet,fullfanta/mxnet,EvanzzzZ/mxnet,yuruofeifei/mxnet,hotpxl/mxnet,formath/mxnet,formath/mxnet,mbaijal/incubator-mxnet,kkk669/mxnet,leezu/mxnet,stefanhenneking/mxnet,smolix/incubator-mxnet,jamesliu/mxnet,hesseltuinhof/mxnet,zhreshold/mxnet,Mega-DatA-Lab/mxnet,apaleyes/mxnet,reminisce/mxnet,apaleyes/mxnet,Northrend/mxnet,ZihengJiang/mxnet,antoan2/incubator-mxnet,mbaijal/incubator-mxnet,LinkHS/incubator-mxnet,jermainewang/mxnet,lxn2/mxnet,indhub/mxnet,arank/mxnet,ForkedReposBak/mxnet,yajiedesign/mxnet,thirdwing/mxnet,xcgoner/dist-mxnet,zhreshold/mxnet,indhub/mxnet,ShownX/incubator-mxnet,kkk669/mxnet,lxn2/mxnet,DR08/mxnet,pluskid/mxnet,yajiedesign/mxnet,apache/incubator-mxnet,dmlc/mxnet,likelyzhao/mxnet,sxjscience/mxnet,hesseltuinhof/mxnet,mbaijal/incubator-mxnet,yajiedesign/mxnet,indhub/mxnet,rahul003/mxnet,lxn2/mxnet,weleen/mxnet,larroy/mxnet,jamesliu/mxnet,reminisce/mxnet,wangyum/mxnet,apache/incubator-mxnet,formath/mxnet,yuruofeifei/mxnet,navrasio/mxnet,pluskid/mxnet,xcgoner/dist-mxnet,Ldpe2G/mxnet,EvanzzzZ/mxnet,vikingMei/mxnet,vikingMei/mxnet,xcgoner/dist-mxnet,szha/mxnet,madjam/mxnet,Prasad9/incubator-mxnet,zhreshold/mxnet,ShownX/incubator-mxnet,danithaca/mxnet,CodingCat/mxnet,madjam/mxnet,smolix/incubator-mxnet,arank/mxnet,eric-haibin-lin/mxnet,Prasad9/incubator-mxnet,TuSimple/mxnet,pluskid/mxnet,EvanzzzZ/mxnet,wangyum/mxnet,crazy-cat/incubator-mxnet,Ldpe2G/mxnet,Prasad9/incubator-mxnet,yuruofeifei/mxnet,jennyzhang0215/incubator-mxnet,apache/incubator-mxnet,antoan2/incubator-mxnet,ZihengJiang/mxnet,navrasio/mxnet,Northrend/mxnet,jiajiechen/mxnet,thirdwing/mxnet,sergeykolychev/mxnet,solin319/incubator-mxnet,stefanhenneking/mxnet,zhreshold/mxnet,navrasio/mxnet,kkk669/mxnet,pluskid/mxnet,tlby/mxnet,jennyzhang0215/incubator-mxnet,likelyzhao/mxnet,DR08/mxnet,Prasad9/incubator-mxnet,ZihengJiang/mxnet,luoyetx/mxnet,precedenceguo/mxnet,crazy-cat/incubator-mxnet,ForkedReposBak/mxnet,apaleyes/mxnet,smolix/incubator-mxnet,apache/incubator-mxnet,navrasio/mxnet,madjam/mxnet,precedenceguo/mxnet,coder-james/mxnet,hpi-xnor/BMXNet,wangyum/mxnet,DR08/mxnet,jermainewang/mxnet,tlby/mxnet,rahul003/mxnet,antoan2/incubator-mxnet,arank/mxnet,jennyzhang0215/incubator-mxnet,reminisce/mxnet,madjam/mxnet,jermainewang/mxnet,solin319/incubator-mxnet,tlby/mxnet,rahul003/mxnet,szha/mxnet,dmlc/mxnet,vikingMei/mxnet,navrasio/mxnet,jiajiechen/mxnet,rishita/mxnet,vikingMei/mxnet,thirdwing/mxnet,jamesliu/mxnet,DR08/mxnet,luoyetx/mxnet,CodingCat/mxnet,smolix/incubator-mxnet,solin319/incubator-mxnet,formath/mxnet,TuSimple/mxnet,thirdwing/mxnet,ShownX/incubator-mxnet,sxjscience/mxnet,TuSimple/mxnet,indhub/mxnet,ykim362/mxnet,thirdwing/mxnet,formath/mxnet,apaleyes/mxnet,Northrend/mxnet,Ldpe2G/mxnet,antoan2/incubator-mxnet,larroy/mxnet,ForkedReposBak/mxnet,hesseltuinhof/mxnet,LinkHS/incubator-mxnet,tlby/mxnet,CodingCat/mxnet,coder-james/mxnet,dmlc/mxnet,smolix/incubator-mxnet,DickJC123/mxnet,danithaca/mxnet,ykim362/mxnet,dmlc/mxnet,hesseltuinhof/mxnet,szha/mxnet,eric-haibin-lin/mxnet,crazy-cat/incubator-mxnet,xcgoner/dist-mxnet,ShownX/incubator-mxnet,danithaca/mxnet,sxjscience/mxnet,jermainewang/mxnet,luoyetx/mxnet,Northrend/mxnet,luoyetx/mxnet,kevinthesun/mxnet,yajiedesign/mxnet,arikpoz/mxnet,yuruofeifei/mxnet,weleen/mxnet,wangyum/mxnet,TuSimple/mxnet,hotpxl/mxnet,ptrendx/mxnet,sxjscience/mxnet,Northrend/mxnet,formath/mxnet,rahul003/mxnet,tornadomeet/mxnet,ShownX/incubator-mxnet,precedenceguo/mxnet,larroy/mxnet,weleen/mxnet,leezu/mxnet,solin319/incubator-mxnet,ptrendx/mxnet,tornadomeet/mxnet,Prasad9/incubator-mxnet