Error casting handling of Null lang.String cannot be cast to scala.runtime.Null$

[wey-gu]

/data/spark/ spark-2.4.5-bin-hadoop2.6/bin/spark-submit --master "local" --class com.vesoft.nebula.exchange. Exchange /data/spark/exchange/nebula-exchang /10/12 12:29:03 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
84j:WARN No appenders could be found for logger (com.vesoft. exchange. common. config.Configs$). g41:WARN Please initialize the log4j system properly.
84J: WARN See http://logging-apache.org/log4j/1.2/faq.htmlinoconfig for more info.
‹ception in thread "main" java. lang.ClassCastException: java.lang-String cannot be cast to scala.runtime.Null$
at com.vesoft. exchange. common. config.Configs$.com/vesoft$exchange$common§config$Configs$$dataSourceConfig(Configs.scala:899)
at com.vesoft. exchange. common. config.Configs$§anonfun$parse$2.apply(Configs.scala:432) at com.vesoft. exchange. common. config-Configs$§anonfunsparse$2.apply(Configs.scala:394)
at scala. collection.Iterator$class. foreach(Iterator.scala:891)... at scala. collection.AbstractIterator. foreach (Iterator.scala:1334) at scala. collection. Iterablelike$class. foreach (Iterablelike.scala:72) at scala. collection.AbstractIterable. foreach(Iterable.scala:54) at com. vesoft. exchange. common. config.Configs$-parse(Configs.scala: 394) at com. vesoft.nebula. exchange. Exchange$-main(Exchange. scala: 79) at com. vesoft.nebula. exchange.Exchange.main(Exchange. scala) at sun.reflect.NativeMethodAccessor Impl.invoke®(Native Method)
at sun.reflect.NativeMethodAccessor Impl. invoke(NativeMethodAccessor Impl. java: 62)
at sun.reflect.DelegatingMethodAccessor Impl. invoke (DelegatingMethodAccessor Impl. java:43)
at java. lang-reflect.Method. invoke (Method. java:498)
at org-apache. spark. deploy. JavaMainApplication.start (SparkApplication.scala: 52)
at org-apache. spark.deploy-SparkSubmit.org/apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:845) at org-apache. spark.deploy. SparkSubmit.doRurMain$1(SparkSubmit.scala:161) at org-apache.spark.deploy.SparkSubmit. submit (SparkSubmit. scala: 184) at org-apache. spark. deploy-SparkSubmit.doSubmit (SparkSubmit. scala:86) at org-apache. spark.deploy. SparkSubmit$$anon$2. doSubmit (SparkSubmit. scala:920) at org-apache. spark. deploy-SparkSubmit$.main(SparkSubmit,scala: 929) at org-apache. spark.deploy SparkSubmit,main(SparkSubmit, scala)

[wey-gu]

@Nicole00 could you take this?

[Nicole00]

@Nicole00 could you take this?

of course!