【问题标题】:How do you migrate Mirthconnect to use MySQL/MariaDB如何迁移 Mirthconnect 以使用 MySQL/MariaDB
【发布时间】:2018-12-13 01:36:52
【问题描述】:

当尝试连接 mirthconnect 以使用 mariaDB 而不是 Derby 嵌入式数据库时,mirth connect 在创建数据库时失败。

使用:

  • Ubuntu 18.04 LTS
  • MariaDB 10.1.29-MariaDB-6
  • 欢乐连接 3.6.0
  • Java openjdk 10.0.1

设置步骤:

  1. 安装 Maria DB
  2. 安装 Mirth 连接。
  3. 创建用于 Mirth 的数据库
  4. 在 Maria DB 中创建 mirth 用户
  5. 配置 mirth connect 以连接到 Maria DB
  6. 启动 mirth 服务

http://www.hpctech.org/8-steps-to-install-mirthconnect-with-mysql-mariadb-on-linux/

启动mirthconnect服务时会抛出以下异常。

ERROR 2018-07-04 15:13:11,013 [Main Server Thread]                 com.mirth.connect.server.Mirth: Failed to migrate database schema
com.mirth.connect.model.util.MigrationException: Failed to execute script: /mysql/mysql-database.sql
    at com.mirth.connect.server.migration.Migrator.executeScript(Migrator.java:103)
    at com.mirth.connect.server.migration.Migrator.executeScript(Migrator.java:86)
    at com.mirth.connect.server.migration.ServerMigrator.initDatabase(ServerMigrator.java:234)
    at com.mirth.connect.server.migration.ServerMigrator.migrate(ServerMigrator.java:59)
    at com.mirth.connect.server.controllers.DefaultMigrationController.migrate(DefaultMigrationController.java:91)
    at com.mirth.connect.server.Mirth.startup(Mirth.java:226)
    at com.mirth.connect.server.Mirth.run(Mirth.java:153)
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Specified key was too long; max key length is 767 bytes
    at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:488)
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:408)
    at com.mysql.jdbc.Util.getInstance(Util.java:383)
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1062)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4208)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4140)
    at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2597)
    at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2758)
    at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2820)
    at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2769)
    at com.mysql.jdbc.StatementImpl.execute(StatementImpl.java:907)
    at com.mysql.jdbc.StatementImpl.execute(StatementImpl.java:791)
    at com.mirth.connect.server.migration.Migrator.executeScript(Migrator.java:100)
    ... 6 more

已经创建了一半的数据库表

show tables;
+------------------------+
| Tables_in_mirthconnect |
+------------------------+
| CHANNEL                |
| EVENT                  |
| PERSON                 |
| PERSON_PASSWORD        |
| PERSON_PREFERENCE      |
| SCHEMA_INFO            |
| SCRIPT                 |
+------------------------+

谁能告诉我:

  • 异常意味着什么?
  • 如何解决错误?

【问题讨论】:

    标签: mariadb mirth mirth-connect


    【解决方案1】:

    有问题的错误

    Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Specified key was too long; max key length is 767 bytes
    

    似乎与密钥长度有关 - 数据库默认字符集是 utf16 而不是 utf8,因此由于字符大小(以字节为单位),其中一个表的密钥大小实际上大于 767 字节。

    在为 mirth 创建数据库时 - 确保字符集设置为 UTF8

    create database mirthconnect character set utf8 collate utf8_general_ci;
    

    【讨论】:

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