我在Kafka connect中使用debezium oracle连接器。当启动连接器时，我得到以下错误，

java.lang.RuntimeException: Failed to resolve Oracle database version
        at io.debezium.connector.oracle.OracleConnection.resolveOracleDatabaseVersion(OracleConnection.java:159)
        at io.debezium.connector.oracle.OracleConnection.<init>(OracleConnection.java:71)
        at io.debezium.connector.oracle.OracleConnector.validateConnection(OracleConnector.java:74)
        at io.debezium.connector.common.RelationalBaseSourceConnector.validate(RelationalBaseSourceConnector.java:52)
        at org.apache.kafka.connect.runtime.AbstractHerder.validateConnectorConfig(AbstractHerder.java:400)
        at org.apache.kafka.connect.runtime.AbstractHerder.lambda$validateConnectorConfig$2(AbstractHerder.java:351)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
Caused by: java.sql.SQLException: No suitable driver found for jdbc:oracle:thin:@**.**.*.**:1521/CDB
        at java.sql.DriverManager.getConnection(DriverManager.java:689)
        at java.sql.DriverManager.getConnection(DriverManager.java:208)
        at io.debezium.jdbc.JdbcConnection.lambda$patternBasedFactory$0(JdbcConnection.java:184)
        at io.debezium.jdbc.JdbcConnection$ConnectionFactoryDecorator.connect(JdbcConnection.java:121)
        at io.debezium.jdbc.JdbcConnection.connection(JdbcConnection.java:890)
        at io.debezium.jdbc.JdbcConnection.connection(JdbcConnection.java:885)
        at io.debezium.jdbc.JdbcConnection.queryAndMap(JdbcConnection.java:643)
        at io.debezium.jdbc.JdbcConnection.queryAndMap(JdbcConnection.java:517)
        at io.debezium.connector.oracle.OracleConnection.resolveOracleDatabaseVersion(OracleConnection.java:129)
        ... 10 more

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我正在访问Oracle设置和连接器配置的链接，

**https://debezium.io/documentation/reference/connectors/oracle.html#setting-up-oracle**

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connector-configuration.properties

name=debeziumoraclesource
connector.class=io.debezium.connector.oracle.OracleConnector
database.hostname=**.*.**.**
database.port=1521
database.user=username
database.password=password
database.dbname=CDBNAME
database.server.name=**.*.**.**
tasks.max=1
database.pdb.name=PDBNAME
database.history.kafka.bootstrap.servers=kafka:9092
database.history.kafka.topic=history.ENTITY_GROUP_PARAMETER_VALUES
database.connection.adaptor=logminer
snapshot.mode=initial
table.include.list=schema.ENTITY_GROUP_PARAMETER_VALUES

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另外，我已经下载了ojdbc8.jar并放置在Kafka/libs文件夹中。我尝试使用不同版本的jar，如ojdbc 10和不同版本的ojdbc8.Nothing帮助我。另外，值得注意的是，我使用的是oracle19c.Please帮助我解决这个问题。提前感谢。