無法配置Grails 3多個數據源

我最近嘗試創建一個應用程序，允許我爲它們的值比較3個單獨的數據庫。這些數據庫是3個Oracle實例，它們包含（基本上）相同的數據庫，但在DEV/TEST/PROD設置中。無法配置Grails 3多個數據源

我想要做的是在GRAILS 3中創建一個Domain類。然後我希望能夠獲取該域類映射到的記錄，但是要爲所有3個環境執行該記錄。

從閱讀Grails的3文檔，它看起來像這應該是可以通過在application.yml定義數據源3（在我這裏的例子，我定義了4）：

dataSources: 
    dataSource: 
     pooled: true 
     jmxExport: true 
     logSql: true 
     driverClassName: oracle.jdbc.OracleDriver 
     username: MYUSER 
     password: Password1 
     dbCreate: validate 
     url: jdbc:oracle:thin:@someserver:1521:DEV1 
    dataSource1: 
     pooled: true 
     jmxExport: true 
     logSql: true 
     driverClassName: oracle.jdbc.OracleDriver 
     username: MYUSER 
     password: Password1 
     dbCreate: validate 
     url: jdbc:oracle:thin:@someserver:1521:DEV1 
    dataSource2: 
     pooled: true 
     jmxExport: true 
     logSql: true 
     driverClassName: oracle.jdbc.OracleDriver 
     username: MYUSER 
     password: Password1 
     dbCreate: validate 
     url: jdbc:oracle:thin:@someserver:1521:TEST1 
    dataSource3: 
     pooled: true 
     jmxExport: true 
     logSql: true 
     driverClassName: oracle.jdbc.OracleDriver 
     username: MYUSER 
     password: Password1 
     dbCreate: validate 
     url: jdbc:oracle:thin:@someserver:1521:PROD1

，然後域類中映射指定數據源中的映射：

package plsutils 

class DmjTypes { 
    String code 
    String description 
    Date insertDate 
    String insertUser 
    Date modifyDate 
    String modifyUser 

    String dbEnv 

    static mapping = { 
     datasources(['dataSource1', 'dataSource2', 'dataSource3']) 

     version false 
     table name: "CDE_DMJ_TYPES", schema: "MYSCHEMA" 

     id generator: 'sequence' ,params:[sequence: 'DMJTY_SEQ'] 

     columns { 
      id column: "DMJTY_ID" 
      code column: "DMJTY_CDE" 
      description column: "DMJTY_DESCR" 
      insertDate column: "INSERT_DTT" 
      insertUser column: "INSERT_USER" 
      modifyDate column: "MODIFY_DTT" 
      modifyUser column: "MODIFY_USER" 
      dbEnv formula:'(select inst.instance_name || \'-\' ||  inst.host_name from v$instance inst) ' 
     } 

    } 
}

，然後，我的控制之內，我應該可以做這樣的事情：

params.max = Math.min(max ?: 10, 100) 
dmjTypesListDev = DmjTypes.dataSource1.list(params) 
dmjTypesListTest = DmjTypes.dataSource2.list(params) 
dmjTypesListProd = DmjTypes.dataSource3.list(params)

我在第一次調用得到一個錯誤：

URI /dmjTypes/index 
Class groovy.lang.MissingPropertyException 
Message null 
Caused by No such property: dataSource1 for class: plsutils.DmjTypes

我使用ojdbc7.jar，連接到Oracle 11g，我使用Grails 3.0.9。

我不禁想到我在某個地方做了些微妙的蠢事。任何人都可以幫助我嗎？

乾杯，艾倫

來源

2016-01-23 G Allen R Souliere

嗨，你有沒有管理來解決這個問題？ –

是的，我確定上面的代碼似乎工作。問題是我最近升級了我使用的grails版本。由於與列出grails版本的現有配置文件衝突，因此存在問題。我更新了配置文件，在gradle.properties文件（3.1.1）中使用了正確的grails版本，完成了一次徹底的清理和重建，並且它似乎可以工作。這裏的教訓是在升級grails版本時要小心，即使它是小版本版本。 –

一旦我更正了gradle.properties中引用的grails的版本並執行了完整的清理和重建，我就能夠正常工作。我相信我所有的問題都是因爲我用來構建它的grails的版本不匹配。

所以，這是適當的數據源條目：

dataSources: 
    dataSource: 
     pooled: true 
     jmxExport: true 
     driverClassName: oracle.jdbc.OracleDriver 
     username: MYUSER 
     password: Password1 
     dbCreate: validate 
     url: jdbc:oracle:thin:@somelocalserver:1521:LOCAL 
    one: 
     pooled: true 
     jmxExport: true 
     driverClassName: oracle.jdbc.OracleDriver 
     username: MYUSER 
     password: Password1 
     dbCreate: validate 
     url: jdbc:oracle:thin:@somedevserver:1521:DEV1 
    two: 
     pooled: true 
     jmxExport: true 
     driverClassName: oracle.jdbc.OracleDriver 
     username: MYUSER 
     password: Password1 
     dbCreate: validate 
     url: jdbc:oracle:thin:@sometestserver:1521:TEST1 
    three: 
     pooled: true 
     jmxExport: true 
     driverClassName: oracle.jdbc.OracleDriver 
     username: MYUSER 
     password: Password1 
     dbCreate: validate 
     url: jdbc:oracle:thin:@someproductionserver:1523:PROD1

這是在工作領域類：

class DmjTypes { 
    String code 
    String description 
    Date insertDate 
    String insertUser 
    Date modifyDate 
    String modifyUser 

    String dbEnv 

    static mapping = { 
     datasources(['one', 'two', 'three']) 

     version false 
     table name: "CDE_DMJ_TYPES", schema: "MYSCHEMA" 

     id generator: 'sequence' ,params:[sequence: 'DMJTY_SEQ'] 

     columns { 
      id column: "DMJTY_ID" 
      code column: "DMJTY_CDE" 
      description column: "DMJTY_DESCR" 
      insertDate column: "INSERT_DTT" 
      insertUser column: "INSERT_USER" 
      modifyDate column: "MODIFY_DTT" 
      modifyUser column: "MODIFY_USER" 
      dbEnv formula:'(select inst.instance_name || \'-\' ||  inst.host_name from v$instance inst) ' 
     } 

    } 
}

來源

2016-08-04 18:41:16

-1

試試這個：

dataSources: 
    dataSource: 
     pooled: true 
     jmxExport: true 
     logSql: true 
     driverClassName: oracle.jdbc.driver.OracleDriver   
     username: MYUSER 
     password: Password1 
     dbCreate: validate 
     autoReconnect: true 
     #url: jdbc:oracle:thin:@someserver:1521:DEV1(I remember in 3.0.9 this is under environments:development:dataSources:dataSource) 
    dataSource2: 
     pooled: true 
     jmxExport: true 
     logSql: true 
     driverClassName: oracle.jdbc.driver.OracleDriver 
     dialect: org.hibernate.dialect.OracleDialect 
     username: MYUSER 
     password: Password1 
     dbCreate: validate 
     url: jdbc:oracle:thin:@someserver:1521:TEST1 
     autoReconnect: true 
    dataSource3: 
     pooled: true 
     jmxExport: true 
     logSql: true 
     driverClassName: oracle.jdbc.driver.OracleDriver 
     dialect: org.hibernate.dialect.OracleDialect 
     username: MYUSER 
     password: Password1 
     dbCreate: validate 
     url: jdbc:oracle:thin:@someserver:1521:PROD1 
     autoReconnect: true

在控制器：

static mapping = { 
     datasources(['dataSource', 'dataSource2', 'dataSource3']) 
     ..... 
}

來源

2016-01-23 03:20:52 user5828931

基礎上official documantation嘗試數據源關鍵字：

dataSources: 
    dataSource: 
     pooled: true 
     jmxExport: true 
     driverClassName: org.h2.Driver 
     username: sa 
     password: 
    lookup: 
     dialect: org.hibernate.dialect.MySQLInnoDBDialect 
     driverClassName: com.mysql.jdbc.Driver 
     username: lookup 
     password: secret 
     url: jdbc:mysql://localhost/lookup 
     dbCreate: update 

environments: 
    development: 
     dataSources: 
      dataSource: 
       dbCreate: create-drop 
       url: jdbc:h2:mem:devDb;MVCC=TRUE;LOCK_TIMEOUT=10000;DB_CLOSE_ON_EXIT=FALSE 
    test: 
     dataSources: 
      dataSource: 
       dbCreate: update 
       url: jdbc:h2:mem:testDb;MVCC=TRUE;LOCK_TIMEOUT=10000;DB_CLOSE_ON_EXIT=FALSE 
    production: 
     dataSources: 
      dataSource: 
       dbCreate: update 
       url: jdbc:h2:prodDb;MVCC=TRUE;LOCK_TIMEOUT=10000;DB_CLOSE_ON_EXIT=FALSE 
       properties: 
        jmxEnabled: true 
        initialSize: 5 
        … 
      lookup: 
       dialect: org.hibernate.dialect.Oracle10gDialect 
       driverClassName: oracle.jdbc.driver.OracleDriver 
       username: lookup 
       password: secret 
       url: jdbc:oracle:thin:@localhost:1521:lookup 
       dbCreate: update

來源

2016-01-23 03:22:46

無法配置Grails 3多個數據源

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