NullPointerException in HiveParser.g

protected boolean useSQL11ReservedKeywordsForIdentifier() {
return !HiveConf.getBoolVar(hiveConf, HiveConf.ConfVars.HIVE_SUPPORT_SQL11_RESERVED_KEYWORDS);
}

java.lang.NullPointerException
        at org.apache.hadoop.hive.conf.HiveConf.getBoolVar(HiveConf.java:2583)
        at org.apache.hadoop.hive.ql.parse.HiveParser.useSQL11ReservedKeywordsForIdentifier(HiveParser.java:1000)
        at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.useSQL11ReservedKeywordsForIdentifier(HiveParser_IdentifiersParser.java:726)
        at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.identifier(HiveParser_IdentifiersParser.java:10922)
        at org.apache.hadoop.hive.ql.parse.HiveParser.identifier(HiveParser.java:45808)
        at org.apache.hadoop.hive.ql.parse.HiveParser.columnNameType(HiveParser.java:38008)
        at org.apache.hadoop.hive.ql.parse.HiveParser.columnNameTypeList(HiveParser.java:36167)
        at org.apache.hadoop.hive.ql.parse.HiveParser.createTableStatement(HiveParser.java:5214)
        at org.apache.hadoop.hive.ql.parse.HiveParser.ddlStatement(HiveParser.java:2640)
        at org.apache.hadoop.hive.ql.parse.HiveParser.execStatement(HiveParser.java:1650)
        at org.apache.hadoop.hive.ql.parse.HiveParser.statement(HiveParser.java:1109)
        at org.apache.hadoop.hive.ql.parse.ParseDriver.parse(ParseDriver.java:202)
        at org.apache.hadoop.hive.ql.parse.ParseDriver.parse(ParseDriver.java:166)
        at org.apache.hadoop.hive.ql.parse.ParseDriver.parse(ParseDriver.java:161)