fix 给groupId 添加默认值

Author: dapeng

kafka-base/kafka-base-source/src/main/java/com/dtstack/flink/sql/source/kafka/table/KafkaSourceParser.java

@@ -46,7 +46,7 @@ public AbstractTableInfo getTableInfo(String tableName, String fieldsInfo, Map<S
         kafkaSourceTableInfo.setType(MathUtil.getString(props.get(KafkaSourceTableInfo.TYPE_KEY.toLowerCase())));
         kafkaSourceTableInfo.setParallelism(MathUtil.getIntegerVal(props.get(KafkaSourceTableInfo.PARALLELISM_KEY.toLowerCase())));
         kafkaSourceTableInfo.setBootstrapServers(MathUtil.getString(props.get(KafkaSourceTableInfo.BOOTSTRAPSERVERS_KEY.toLowerCase())));
-        kafkaSourceTableInfo.setGroupId(MathUtil.getString(props.get(KafkaSourceTableInfo.GROUPID_KEY.toLowerCase())));
+        kafkaSourceTableInfo.setGroupId(MathUtil.getString(props.getOrDefault(KafkaSourceTableInfo.GROUPID_KEY.toLowerCase(), "dtstack_flinksql")));
         kafkaSourceTableInfo.setTopic(MathUtil.getString(props.get(KafkaSourceTableInfo.TOPIC_KEY.toLowerCase())));
         kafkaSourceTableInfo.setTopicIsPattern(MathUtil.getBoolean(props.get(KafkaSourceTableInfo.TOPICISPATTERN_KEY.toLowerCase()), false));
         kafkaSourceTableInfo.setOffsetReset(MathUtil.getString(props.getOrDefault(KafkaSourceTableInfo.OFFSETRESET_KEY.toLowerCase(), EKafkaOffset.LATEST.name().toLowerCase())));