从maria db获取连接时出现以下错误:
DEBUG com.utilities.db.ConnectionPoolImpl - Exception Occured in connection: Cannot create connection:Could not connect: Client does not support authentication protocol requested by server; consider upgrading MariaDB client
Exception in thread "Thread-1" java.lang.IllegalMonitorStateException
at java.lang.Object.notifyAll(Native Method)
at com.utilities.db.ConnectionPoolImpl.run(ConnectionPoolImpl.java:128)
at java.lang.Thread.run(Thread.java:745)
+-------------------------+--------------------------+
| Variable_name | Value |
+-------------------------+--------------------------+
| innodb_version | 5.6.35-80.0 |
| protocol_version | 10 |
| slave_type_conversions | |
| version | 10.1.23-MariaDB-9+deb9u1 |
| version_comment | Raspbian 9.0 |
| version_compile_machine | armv7l |
| version_compile_os | debian-linux-gnueabihf |
| version_malloc_library | system jemalloc |
| version_ssl_library | YaSSL 2.4.2 |
| wsrep_patch_version | wsrep_25.19 |
+-------------------------+--------------------------+
我正在使用Java连接到数据库。
Class.forName("org.drizzle.jdbc.DrizzleDriver");
Connection connection = DriverManager.getConnection(""jdbc:drizzle://" + ADDRESS + ":" + PORT + "/" + DB", userName, password);
Connection connection = DriverManager.getConnection(
"jdbc:drizzle://" + DBProperties.ADDRESS + ":" + DBProperties.PORT + "/?allowMultiQueries=true",
DBProperties.USER, DBProperties.PASS)
<dependency>
<groupId>org.drizzle.jdbc</groupId>
<artifactId>drizzle-jdbc</artifactId>
<version>1.4</version>
</dependency>
我不确定为什么会得到这个,有人可以帮助我吗?
最佳答案
请尝试并遵循https://mariadb.com/kb/en/library/about-mariadb-connector-j/中的建议
我将从您的Maven依赖项中删除毛毛雨驱动程序,并包括最新版本的mariaDB连接器
<dependency>
<groupId>org.mariadb.jdbc</groupId>
<artifactId>mariadb-java-client</artifactId>
<version>2.2.3</version>
</dependency>
然后,我将您的客户代码替换为官方示例:
Connection connection = DriverManager.getConnection("jdbc:mariadb://localhost:3306/DB?user=foo&password=bar");
具有适当的端口,用户等值。我希望你觉得它有用
关于java - 无法创建连接:无法连接:客户端不支持服务器请求的身份验证协议(protocol),我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/49631605/