Fix the null pointer exception for some cases in the log with the timeout settings
Fix the null pointer exception for some cases in the log with the timeout settings

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