spark-sql执行时报错:

在执行spark-shell时没有问题:使用的命令是:./spark-shell --master local[2] --jars /home/iie4bu/software/mysql-connector-java-8.0.15.jar,可以正常使用。
但是使用spark-sql时,命令:./spark-sql --master local[2] --jars /home/iie4bu/software/mysql-connector-java-8.0.15.jar,却发生了报错:

Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. The driver is automatically registered via the SPI and manual loading of the driver class is generally unnecessary.
Exception in thread "main" java.lang.RuntimeException: java.lang.RuntimeException: Unable to instantiate org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient
	at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:522)
	at org.apache.spark.sql.hive.thriftserver.SparkSQLCLIDriver$.main(SparkSQLCLIDriver.scala:133)
	at org.apache.spark.sql.hive.thriftserver.SparkSQLCLIDriver.main(SparkSQLCLIDriver.scala)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.spark.deploy.JavaMainApplication.start(SparkApplication.scala:52)
	at org.apache.spark.deploy.SparkSubmit.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:845)
	at org.apache.spark.deploy.SparkSubmit.doRunMain$1(SparkSubmit.scala:161)
	at org.apache.spark.deploy.SparkSubmit.submit(SparkSubmit.scala:184)
	Caused by: javax.jdo.JDOFatalDataStoreException: Unable to open a test connection to the given database. JDBC url = jdbc:mysql://swarm-manager:3306/sparksql?createDatabaseIfNotExist=true, username = root. Terminating connection pool (set lazyInit to true if you expect to start your database after your app). Original Exception: ------
java.sql.SQLException: No suitable driver found for jdbc:mysql://swarm-manager:3306/sparksql?createDatabaseIfNotExist=true

解决办法是:需要添加--driver-class-path /home/iie4bu/software/mysql-connector-java-5.1.35.jar。即可。
完整命令:./spark-sql --master local[2] --jars /home/iie4bu/software/mysql-connector-java-5.1.35.jar --driver-class-path /home/iie4bu/software/mysql-connector-java-5.1.35.jar

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