执行选项：此发布服务器不支持多个订阅服务器（spring数据r2dbc oracle-r2dbc）

Question

''组织。springframework。道。DataAccessResourceFailureException：获取R2DBC连接失败；嵌套异常为java。lang.IllegalStateException：此发布服务器不支持多个订阅服务器。位于组织。springframework。r2dbc。联系ConnectionFactoryUtils。Reactor处的lambda$getConnection$0（ConnectionFactoryUtils.java:88）~[spring-r2dbc-5.3.9.jar:5.3.9]。果心出版商单声道。lambda$onErrorMap$31（Mono.java:3676）~[Reactor堆芯-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>

Answer 1

似乎是Oracle R2DBC中的一个bug，它阻止它使用连接池。