我对Docker和Java都是陌生的。我正在尝试从本地Ubuntu计算机上使用JDBC连接到Docker内部的mysql服务器。我用于在docker中启动mysql服务器的命令是：
docker network create --subnet=172.18.0.0/16 master_network
docker run --net master_network --ip 172.18.0.22 --name docker-mysql -e MYSQL_ROOT_PASSWORD=password -d -p=3306:3306 mysql:latest
我用于从docker连接到mysql服务器的命令如下：
String connectionUrl = "jdbc:mysql://172.18.0.22:3306/hb_student_tracker?useSSL=false&serverTimezone=UTC&allowPublicKeyRetrieval=true";
Connection conn = DriverManager.getConnection(connectionUrl,user,password);
但是我收到以下错误：
java.sql.SQLException: Access denied for user 'hbstudent'@'172.18.0.1' (using password: YES)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:129)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)
at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:836)
at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:456)
at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246)
at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:197)
at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:677)
at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:228)
at HibernateBasics.TestingConnectionToMysql.main(TestingConnectionToMysql.java:15)
docker inspect命令给我以下信息
[
{
"Id": "90c8f3d5191fd207578a0b40e8a2369de949dc3a9c6fd2fdcf2ba044c32bdca5",
"Created": "2020-02-15T01:19:14.021480835Z",
"Path": "docker-entrypoint.sh",
"Args": [
"mysqld"
],
"State": {
"Status": "running",
"Running": true,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"Dead": false,
"Pid": 5105,
"ExitCode": 0,
"Error": "",
"StartedAt": "2020-02-15T01:19:14.526528758Z",
"FinishedAt": "0001-01-01T00:00:00Z"
},
"Image": "sha256:791b6e40940cd550af522eb4ffe995226798204504fe495743445b900e417a51",
"ResolvConfPath": "/var/lib/docker/containers/90c8f3d5191fd207578a0b40e8a2369de949dc3a9c6fd2fdcf2ba044c32bdca5/resolv.conf",
"HostnamePath": "/var/lib/docker/containers/90c8f3d5191fd207578a0b40e8a2369de949dc3a9c6fd2fdcf2ba044c32bdca5/hostname",
"HostsPath": "/var/lib/docker/containers/90c8f3d5191fd207578a0b40e8a2369de949dc3a9c6fd2fdcf2ba044c32bdca5/hosts",
"LogPath": "/var/lib/docker/containers/90c8f3d5191fd207578a0b40e8a2369de949dc3a9c6fd2fdcf2ba044c32bdca5/90c8f3d5191fd207578a0b40e8a2369de949dc3a9c6fd2fdcf2ba044c32bdca5-json.log",
"Name": "/docker-mysql",
"RestartCount": 0,
"Driver": "overlay2",
"Platform": "linux",
"MountLabel": "",
"ProcessLabel": "",
"AppArmorProfile": "docker-default",
"ExecIDs": null,
"HostConfig": {
"Binds": null,
"ContainerIDFile": "",
"LogConfig": {
"Type": "json-file",
"Config": {}
},
"NetworkMode": "master_network",
"PortBindings": {
"3306/tcp": [
{
"HostIp": "",
"HostPort": "3306"
}
]
},
"RestartPolicy": {
"Name": "no",
"MaximumRetryCount": 0
},
"AutoRemove": false,
"VolumeDriver": "",
"VolumesFrom": null,
"CapAdd": null,
"CapDrop": null,
"Capabilities": null,
"Dns": [],
"DnsOptions": [],
"DnsSearch": [],
"ExtraHosts": null,
"GroupAdd": null,
"IpcMode": "private",
"Cgroup": "",
"Links": null,
"OomScoreAdj": 0,
"PidMode": "",
"Privileged": false,
"PublishAllPorts": false,
"ReadonlyRootfs": false,
"SecurityOpt": null,
"UTSMode": "",
"UsernsMode": "",
"ShmSize": 67108864,
"Runtime": "runc",
"ConsoleSize": [
0,
0
],
"Isolation": "",
"CpuShares": 0,
"Memory": 0,
"NanoCpus": 0,
"CgroupParent": "",
"BlkioWeight": 0,
"BlkioWeightDevice": [],
"BlkioDeviceReadBps": null,
"BlkioDeviceWriteBps": null,
"BlkioDeviceReadIOps": null,
"BlkioDeviceWriteIOps": null,
"CpuPeriod": 0,
"CpuQuota": 0,
"CpuRealtimePeriod": 0,
"CpuRealtimeRuntime": 0,
"CpusetCpus": "",
"CpusetMems": "",
"Devices": [],
"DeviceCgroupRules": null,
"DeviceRequests": null,
"KernelMemory": 0,
"KernelMemoryTCP": 0,
"MemoryReservation": 0,
"MemorySwap": 0,
"MemorySwappiness": null,
"OomKillDisable": false,
"PidsLimit": null,
"Ulimits": null,
"CpuCount": 0,
"CpuPercent": 0,
"IOMaximumIOps": 0,
"IOMaximumBandwidth": 0,
"MaskedPaths": [
"/proc/asound",
"/proc/acpi",
"/proc/kcore",
"/proc/keys",
"/proc/latency_stats",
"/proc/timer_list",
"/proc/timer_stats",
"/proc/sched_debug",
"/proc/scsi",
"/sys/firmware"
],
"ReadonlyPaths": [
"/proc/bus",
"/proc/fs",
"/proc/irq",
"/proc/sys",
"/proc/sysrq-trigger"
]
},
"GraphDriver": {
"Data": {
"LowerDir": "/var/lib/docker/overlay2/794c33dc3dba3bd3f3b59c2fa0751abb4a08d256716791442e048eba8dad4718-init/diff:/var/lib/docker/overlay2/08cff1074288c594a797ee81fc4f8e6d65e56e3815ed779c59d6a12b69c4bef3/diff:/var/lib/docker/overlay2/d4965f2d4dc55cc40e6b33b7370ea8f735e06ba02bc6e9d9f302a023e2f0ab40/diff:/var/lib/docker/overlay2/2c4fa859d3bf60b43e2ad97889fa850cc02d82e55a3c61d951a1fa7fa8a37a23/diff:/var/lib/docker/overlay2/e0f465f72028a167ef41bf541b693e70c004053d429ee8c8992e690a7138d419/diff:/var/lib/docker/overlay2/28b6d7f4d734c945bc670e4d9741012bcf0a4e779e1797e0687f76969c413a95/diff:/var/lib/docker/overlay2/3d0721a625aca9d5a9c11d2d07a9ce365f0d03cf8033975557435ed43a6f0465/diff:/var/lib/docker/overlay2/58393e75098f068ca6b95c79f62f31f0774af97ebe53dc191b8b34c9c79b0ce4/diff:/var/lib/docker/overlay2/c656f68c525873355be411b15e2af708f47758f0efcc55e0dcf0de87f4f3859a/diff:/var/lib/docker/overlay2/a9b4a61a797212e7ebc6816a7b2f94fbfe74a9572e61fbf803748590eee89a5a/diff:/var/lib/docker/overlay2/e2db5f0234d764243d37f466e65b2e87913ece5744d806ecafcb596c937094ce/diff:/var/lib/docker/overlay2/06cc3c7e20d47b12dffed61bb7b95bf8055468bc65c981cb4f0d0a7080cc9880/diff:/var/lib/docker/overlay2/72eb0da71371fe94e46795d36ad0d103b92c6ee0e0aec48ee3888c16a1e72837/diff",
"MergedDir": "/var/lib/docker/overlay2/794c33dc3dba3bd3f3b59c2fa0751abb4a08d256716791442e048eba8dad4718/merged",
"UpperDir": "/var/lib/docker/overlay2/794c33dc3dba3bd3f3b59c2fa0751abb4a08d256716791442e048eba8dad4718/diff",
"WorkDir": "/var/lib/docker/overlay2/794c33dc3dba3bd3f3b59c2fa0751abb4a08d256716791442e048eba8dad4718/work"
},
"Name": "overlay2"
},
"Mounts": [
{
"Type": "volume",
"Name": "63948ece9ac10c7e0f6a5761684a5861051cfad101dec1374529ba016bb6973a",
"Source": "/var/lib/docker/volumes/63948ece9ac10c7e0f6a5761684a5861051cfad101dec1374529ba016bb6973a/_data",
"Destination": "/var/lib/mysql",
"Driver": "local",
"Mode": "",
"RW": true,
"Propagation": ""
}
],
"Config": {
"Hostname": "90c8f3d5191f",
"Domainname": "",
"User": "",
"AttachStdin": false,
"AttachStdout": false,
"AttachStderr": false,
"ExposedPorts": {
"3306/tcp": {},
"33060/tcp": {}
},
"Tty": false,
"OpenStdin": false,
"StdinOnce": false,
"Env": [
"MYSQL_ROOT_PASSWORD=password",
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"GOSU_VERSION=1.7",
"MYSQL_MAJOR=8.0",
"MYSQL_VERSION=8.0.19-1debian9"
],
"Cmd": [
"mysqld"
],
"Image": "mysql:latest",
"Volumes": {
"/var/lib/mysql": {}
},
"WorkingDir": "",
"Entrypoint": [
"docker-entrypoint.sh"
],
"OnBuild": null,
"Labels": {}
},
"NetworkSettings": {
"Bridge": "",
"SandboxID": "45769ba1596268ba02b3d6f2e50eaadd950b1113faed28f25f981408370272ab",
"HairpinMode": false,
"LinkLocalIPv6Address": "",
"LinkLocalIPv6PrefixLen": 0,
"Ports": {
"3306/tcp": [
{
"HostIp": "0.0.0.0",
"HostPort": "3306"
}
],
"33060/tcp": null
},
"SandboxKey": "/var/run/docker/netns/45769ba15962",
"SecondaryIPAddresses": null,
"SecondaryIPv6Addresses": null,
"EndpointID": "",
"Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"IPAddress": "",
"IPPrefixLen": 0,
"IPv6Gateway": "",
"MacAddress": "",
"Networks": {
"master_network": {
"IPAMConfig": {
"IPv4Address": "172.18.0.22"
},
"Links": null,
"Aliases": [
"90c8f3d5191f"
],
"NetworkID": "25371b13fc9c6f11c23e1d795364bbd5cc5a160de866335b058b807c9f6ce552",
"EndpointID": "b3cb70c1cbee99170886dd9a60f2ca87534831694f947949fed596919712d668",
"Gateway": "172.18.0.1",
"IPAddress": "172.18.0.22",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:12:00:16",
"DriverOpts": null
}
}
}
}
]
我已经提到过类似的stackoverflow问题，但仍无法弄清我的错误是什么。
java.sql.SQLException：对用户'hbstudent'@'172.18.0.1'的访问被拒绝（使用密码：是）
没有这样的用户hbstudent，或者在MySQL启动后没有正确定义凭据