50db02a82d02f2b50e1bf081dddd288c1a1df908,src/frontend/org/voltdb/compiler/PlannerTool.java,PlannerTool,PlannerTool,#Cluster#Database#number#,56

Before Change


            if (m_plannerStats == null) {
                m_plannerStats = new PlannerStatsCollector(-1);
                final StatsAgent statsAgent = VoltDB.instance().getStatsAgent();
                statsAgent.registerStatsSource(SysProcSelector.PLANNER, -1, m_plannerStats);
            }
        }
    }

After Change


        synchronized (this) {
            if (m_plannerStats == null) {
                final StatsAgent statsAgent = VoltDB.instance().getStatsAgent();
                if (statsAgent != null) {
                    m_plannerStats = new PlannerStatsCollector(-1);
                    statsAgent.registerStatsSource(SysProcSelector.PLANNER, -1, m_plannerStats);
                }
            }
        }