我有一个绑定地址= 0.0.0.0的MySQL服务器，因此可以从我的机器外部访问它。 现在，我可以从其他计算机访问服务器了。但是，当我尝试连接localhost而不是IPv4地址时，出现以下错误。我尝试连接的程序与MySQL Server在同一台计算机上运行，因此我不知道为什么它不起作用。 该程序在docker容器中运行，所以可能有问题吗？
[15:12:38 WARN]: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
[15:12:38 WARN]: at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
[15:12:38 WARN]: at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
[15:12:38 WARN]: at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
[15:12:38 WARN]: at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
[15:12:38 WARN]: at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
[15:12:38 WARN]: at com.mysql.jdbc.Util.getInstance(Util.java:408)
[15:12:38 WARN]: at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:919)
[15:12:38 WARN]: at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:898)
[15:12:38 WARN]: at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:887)
[15:12:38 WARN]: at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:861)
[15:12:38 WARN]: at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2095)
[15:12:38 WARN]: at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2020)
[15:12:38 WARN]: at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:768)
[15:12:38 WARN]: at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
[15:12:38 WARN]: at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
[15:12:38 WARN]: at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
[15:12:38 WARN]: at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
[15:12:38 WARN]: at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
[15:12:38 WARN]: at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
[15:12:38 WARN]: at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:385)
[15:12:38 WARN]: at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:323)
[15:12:38 WARN]: at java.sql.DriverManager.getConnection(DriverManager.java:664)
[15:12:38 WARN]: at java.sql.DriverManager.getConnection(DriverManager.java:247)
[15:12:38 WARN]: at de.Finnlife.LifeAddons.SQL.MySQL.connect(MySQL.java:24)
[15:12:38 WARN]: at de.Finnlife.LifeAddons.Main.onEnable(Main.java:11)
[15:12:38 WARN]: at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:263)
[15:12:38 WARN]: at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:380)
[15:12:38 WARN]: at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:483)
[15:12:38 WARN]: at org.bukkit.craftbukkit.v1_15_R1.CraftServer.enablePlugin(CraftServer.java:472)
[15:12:38 WARN]: at org.bukkit.craftbukkit.v1_15_R1.CraftServer.enablePlugins(CraftServer.java:386)
[15:12:38 WARN]: at net.minecraft.server.v1_15_R1.MinecraftServer.a(MinecraftServer.java:488)
[15:12:38 WARN]: at net.minecraft.server.v1_15_R1.DedicatedServer.init(DedicatedServer.java:298)
[15:12:38 WARN]: at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:908)
[15:12:38 WARN]: at java.lang.Thread.run(Thread.java:748)
[15:12:38 WARN]: Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
[15:12:38 WARN]:
[15:12:38 WARN]: The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
[15:12:38 WARN]: at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
[15:12:38 WARN]: at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
[15:12:38 WARN]: at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
[15:12:38 WARN]: at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
[15:12:38 WARN]: at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
[15:12:38 WARN]: at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:990)
[15:12:38 WARN]: at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:335)
[15:12:38 WARN]: at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2187)
[15:12:38 WARN]: at com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2036)
[15:12:38 WARN]: ... 23 more
[15:12:38 WARN]: Caused by: java.net.ConnectException: Connection refused (Connection refused)
[15:12:38 WARN]: at java.net.PlainSocketImpl.socketConnect(Native Method)
[15:12:38 WARN]: at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
[15:12:38 WARN]: at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
[15:12:38 WARN]: at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
[15:12:38 WARN]: at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
[15:12:38 WARN]: at java.net.Socket.connect(Socket.java:607)
[15:12:38 WARN]: at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:211)
[15:12:38 WARN]: at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:299)
[15:12:38 WARN]: ... 25 more