ENG-4528: Consolidate error response generation/sending.
ENG-4528: Consolidate error response generation/sending.

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