change few static variables to non-static. make sure all error info are written to file properly.
change few static variables to non-static. make sure all error info are written to file properly.

kumarrus/voltdb,flybird119/voltdb,kumarrus/voltdb,VoltDB/voltdb,migue/voltdb,deerwalk/voltdb,kumarrus/voltdb,migue/voltdb,deerwalk/voltdb,VoltDB/voltdb,creative-quant/voltdb,migue/voltdb,zuowang/voltdb,kumarrus/voltdb,wolffcm/voltdb,creative-quant/voltdb,wolffcm/voltdb,migue/voltdb,paulmartel/voltdb,simonzhangsm/voltdb,wolffcm/voltdb,zuowang/voltdb,flybird119/voltdb,flybird119/voltdb,flybird119/voltdb,deerwalk/voltdb,simonzhangsm/voltdb,ingted/voltdb,ingted/voltdb,deerwalk/voltdb,migue/voltdb,paulmartel/voltdb,zuowang/voltdb,wolffcm/voltdb,flybird119/voltdb,wolffcm/voltdb,creative-quant/voltdb,ingted/voltdb,deerwalk/voltdb,deerwalk/voltdb,ingted/voltdb,zuowang/voltdb,simonzhangsm/voltdb,paulmartel/voltdb,deerwalk/voltdb,creative-quant/voltdb,zuowang/voltdb,VoltDB/voltdb,paulmartel/voltdb,kumarrus/voltdb,ingted/voltdb,simonzhangsm/voltdb,ingted/voltdb,VoltDB/voltdb,creative-quant/voltdb,kumarrus/voltdb,zuowang/voltdb,migue/voltdb,creative-quant/voltdb,flybird119/voltdb,VoltDB/voltdb,flybird119/voltdb,wolffcm/voltdb,simonzhangsm/voltdb,simonzhangsm/voltdb,flybird119/voltdb,deerwalk/voltdb,paulmartel/voltdb,kumarrus/voltdb,wolffcm/voltdb,kumarrus/voltdb,creative-quant/voltdb,simonzhangsm/voltdb,ingted/voltdb,wolffcm/voltdb,paulmartel/voltdb,creative-quant/voltdb,migue/voltdb,VoltDB/voltdb,migue/voltdb,paulmartel/voltdb,paulmartel/voltdb,VoltDB/voltdb,zuowang/voltdb,ingted/voltdb,simonzhangsm/voltdb,zuowang/voltdb