异常

“”org.springframework.dao. DataBase ResourceFailureException：获取R2 DBC Connection失败;嵌套的异常为java.lang。IllegalStateException：此发布者不支持多个订阅者。at org.springframework.r2dbc.connection.ConnectionFactoryUtils.java：88）~[spring-r2 dbc-5.3.9.jar：5.3.9] at reactor.core.Monosher.Monohyda$onError$31（Mono.java：3676）~[reactor-core-3.4.8.jar：3.4.8]“”

<properties>
    <java.version>11</java.version>
</properties>
<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-actuator</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-data-r2dbc</artifactId>
    </dependency>
    <dependency>
        <groupId>com.oracle.database.r2dbc</groupId>
        <artifactId>oracle-r2dbc</artifactId>
        <scope>runtime</scope>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-webflux</artifactId>
    </dependency>

    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-devtools</artifactId>
        <scope>runtime</scope>
        <optional>true</optional>
    </dependency>
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <optional>true</optional>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>io.projectreactor</groupId>
        <artifactId>reactor-test</artifactId>
        <scope>test</scope>
    </dependency>
</dependencies>

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