[30567][kafka-source]set a default group.id

Author: simenliuxing

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

@@ -26,6 +26,7 @@
 import com.dtstack.flink.sql.util.MathUtil;
 
 import java.util.Map;
+import java.util.UUID;
 import java.util.stream.Collectors;
 
 /**
@@ -46,7 +47,7 @@ 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.getOrDefault(KafkaSourceTableInfo.GROUPID_KEY.toLowerCase(), "dtstack_flinksql")));
+        kafkaSourceTableInfo.setGroupId(MathUtil.getString(props.getOrDefault(KafkaSourceTableInfo.GROUPID_KEY.toLowerCase(), UUID.randomUUID().toString().replace("-", ""))));
         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())));