NPE making stage history before task scheduler is initialized

ava.lang.NullPointerException
        at org.apache.tajo.querymaster.Stage.makeStageHistory(Stage.java:471)
        at org.apache.tajo.querymaster.Stage.getStageHistory(Stage.java:445)
        at org.apache.tajo.querymaster.Query.makeStageHistories(Query.java:295)
        at org.apache.tajo.querymaster.Query.getQueryHistory(Query.java:288)
        at org.apache.tajo.querymaster.QueryMaster$QueryMasterContext.stopQuery(QueryMaster.java:369)
        at org.apache.tajo.querymaster.QueryMaster$QueryStopEventHandler.handle(QueryMaster.java:425)
        at org.apache.tajo.querymaster.QueryMaster$QueryStopEventHandler.handle(QueryMaster.java:422)
        at org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:173)
        at org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:106)
        at java.lang.Thread.run(Thread.java:701)