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  • Unknown Database

    2021-01-11 17:34:12
    SQLSTATE[HY000] [1049] Unknown database 'snipeit_asset' <p>After installation was done, when I opened website, it showed very weir page, can anyone give me advice? Should I have to create a ...
  • No database selected\' Udo <ul><li><strong>Original URL</strong>: ...
  • 1.查看配置文件是否编写正确 查看配置文件下的这条语句,xxx是否为所需要连接的数据库名称。...2.查看xxx数据库是否创建,Unknown database 'xxx’ 如果没有创建,创建名称为xxx的数据库即可。 ...

    1.查看配置文件是否编写正确
    配置文件
    查看配置文件下的这条语句,xxx是否为所需要连接的数据库名称。
    url=jdbc:mysql://localhost:3306/xxx
    2.查看xxx数据库是否创建,Unknown database 'xxx’
    如果没有创建,创建名称为xxx的数据库即可。

    展开全文
  • unknown database backend

    千次阅读 2017-06-29 17:35:15
    LOG(FATAL) << "Unknown database backend"; return NULL; } } DB* GetDB(const string& backend) { #ifdef USE_LEVELDB if (backend == "leveldb") { return new LevelDB(); } #endif // USE_LEVELDB #ifdef...
    #include "caffe/util/db.hpp"
    #include "caffe/util/db_leveldb.hpp"
    #include "caffe/util/db_lmdb.hpp"
    
    #include <string>
    #define USE_LMDB = 1; //找不到定义,就自己定义一下,即可解决问题 lmdb就可使用了
    namespace caffe { namespace db {
    
    DB* GetDB(DataParameter::DB backend) {
      switch (backend) {
    #ifdef USE_LEVELDB
      case DataParameter_DB_LEVELDB:
        return new LevelDB();
    #endif  // USE_LEVELDB
    #ifdef USE_LMDB
      case DataParameter_DB_LMDB:
        return new LMDB();
    #endif  // USE_LMDB
      default:
        LOG(FATAL) << "Unknown database backend";
        return NULL;
      }
    }
    
    DB* GetDB(const string& backend) {
    #ifdef USE_LEVELDB
      if (backend == "leveldb") {
        return new LevelDB();
      }
    #endif  // USE_LEVELDB
    #ifdef USE_LMDB
      if (backend == "lmdb") {
        return new LMDB();
      }
    #endif  // USE_LMDB
      LOG(FATAL) << "Unknown database backend";
      return NULL;
    }
    
    }  // namespace db
    }  // namespace caffe
    

    展开全文
  • Unknown database连接数据库错误

    千次阅读 2020-10-30 21:02:35
    Unknown database连接数据库错误 新建了一个数据库的URL,可是链接的时候发现找不到数据库名称,显 示: Unknown database ‘webstore’ 检查了用户名和密码都没有错误,我用的工具是navicat,后来看了别人博客,有...

    Unknown database连接数据库错误

    新建了一个数据库的URL,可是链接的时候发现找不到数据库名称,显
    示:

    Unknown database ‘webstore’
    在这里插入图片描述

    检查了用户名和密码都没有错误,我用的工具是navicat,后来看了别人博客,有类似问题,是因为建立了链接后,还要在目录

    下再建立数据库
    在这里插入图片描述

    这样就可以了,就能连接数据库了
    新建数据库的字符集和排序顺序可以是:

    在这里插入图片描述

    展开全文
  • 不想却报了错:Unknown databse engine ——用俺河南话说就是这货还不知道mysql引擎是弄啥嘞啊。从错误信息中注意到当前使用的Clickhouse版本是19.x,可能是当前版本还没有添加MySQL引擎数据库功能,抱着试一试的态度...

    create DATABASE mysql_app_db ENGINE = MySQL('172.17.0.1:13306', 'dbname', 'user', 'password');

    CREATE DATABASE mysql_app_db
    ENGINE = MySQL('172.17.0.1:13306', 'dbname', 'user', 'password')

    Received exception from server (version 19.8.3):
    Code: 336. DB::Exception: Received from localhost:9000, 127.0.0.1. DB::Exception: Unknown database engine
    ENGINE = MySQL('172.17.0.1:13306', 'dbname', 'user', 'password'). 

    0 rows in set. Elapsed: 0.133 sec. 

    需要使用Clickhouse读取Mysql数据库数据,在Clickhouse中建立mysql引擎的数据mysql_db_app指向需要读取的MySQL数据库。不想却报了错:

    Unknown databse engine ——用俺河南话说就是这货还不知道mysql引擎是弄啥嘞啊。从错误信息中注意到当前使用的Clickhouse版本是19.x,可能是当前版本还没有添加MySQL引擎数据库功能,抱着试一试的态度准备升级个20.x,毕竟使用docker安装这些软件那是得劲类很:

    --重tag现有镜像

    tianlang@tianlang-VirtualBox:~$ docker images |grep clickhouse
    yandex/clickhouse-server    latest              8e4e71f24366        19 months ago       484MB
    yandex/clickhouse-client    latest              4d1c9c06f912        19 months ago       459MB

    -- -- 把现有镜像重tag
    tianlang@tianlang-VirtualBox:~$ docker tag yandex/clickhouse-server:latest yandex/clickhouse-server:19.8.3.8
    tianlang@tianlang-VirtualBox:~$ docker tag yandex/clickhouse-client:latest yandex/clickhouse-client:19.8.3.8
    tianlang@tianlang-VirtualBox:~$ docker images |grep clickhouse
    yandex/clickhouse-server    19.8.3.8            8e4e71f24366        19 months ago       484MB
    yandex/clickhouse-server    latest              8e4e71f24366        19 months ago       484MB
    yandex/clickhouse-client    19.8.3.8            4d1c9c06f912        19 months ago       459MB
    yandex/clickhouse-client    latest              4d1c9c06f912        19 months ago       459MB

    -- -- 删除tag为latest的镜像,这样才好重新拉取
    tianlang@tianlang-VirtualBox:~$ docker rmi yandex/clickhouse-server:latest 
    Untagged: yandex/clickhouse-server:latest
    tianlang@tianlang-VirtualBox:~$ docker images |grep clickhouse
    yandex/clickhouse-server    19.8.3.8            8e4e71f24366        19 months ago       484MB
    yandex/clickhouse-client    19.8.3.8            4d1c9c06f912        19 months ago       459MB
    yandex/clickhouse-client    latest              4d1c9c06f912        19 months ago       459MB
    tianlang@tianlang-VirtualBox:~$ docker rmi yandex/clickhouse-client:latest 
    Untagged: yandex/clickhouse-client:latest

    -- 重新拉取最新的镜像
    tianlang@tianlang-VirtualBox:~$ docker pull yandex/clickhouse-server:latest
    latest: Pulling from yandex/clickhouse-server
    da7391352a9b: Pull complete 
    14428a6d4bcd: Pull complete 
    2c2d948710f2: Pull complete 
    076cd2c6a81e: Pull complete 
    201ea6cda8c8: Pull complete 
    0d7b4e598027: Pull complete 
    0d86a58e3639: Pull complete 
    3b78a4fd0f92: Pull complete 
    86d65487f611: Pull complete 
    dc82dea7d6fe: Pull complete 
    Digest: sha256:8f669dafd35eb527210cc77973ed927734dff2c2cafd345823c8c99769124fd1
    Status: Downloaded newer image for yandex/clickhouse-server:latest
    docker.io/yandex/clickhouse-server:latest
    tianlang@tianlang-VirtualBox:~$ docker pull yandex/clickhouse-client:latest
    latest: Pulling from yandex/clickhouse-client
    f22ccc0b8772: Pull complete 
    3cf8fb62ba5f: Pull complete 
    e80c964ece6a: Pull complete 
    6f064a173914: Pull complete 
    37a06aaf9ee5: Pull complete 
    Digest: sha256:504e18bed5162a20bbff6071ca1b7c7baca1380d2e2755e4d6bf4bac7e534531
    Status: Downloaded newer image for yandex/clickhouse-client:latest
    docker.io/yandex/clickhouse-client:latest
    tianlang@tianlang-VirtualBox:~$ docker images |grep clickhouse
    yandex/clickhouse-server    latest              57e938a0aaae        3 weeks ago         819MB
    yandex/clickhouse-client    latest              e677d3a4035c        3 weeks ago         492MB
    yandex/clickhouse-server    19.8.3.8            8e4e71f24366        19 months ago       484MB
    yandex/clickhouse-client    19.8.3.8            4d1c9c06f912        19 months ago       459MB

    使用拉取好的最新docker镜像启动一个Clickhouses并尝试创建MySQL引擎的数据库.

     

    还真没有再报错了。新版本就是牛!感谢Docker让俺这么快就用上了新版本.

    不知道19版本的Clickhouse要使用MySQL引擎是不是需要些额外的操作.

     

     

    展开全文
  • Unknown database type enum requested, Doctrine\DBAL\Platforms\MySqlPlatform may not support it." on line 423 of vendor\doctrine\dbal\lib\Doctrine\DBAL\Platforms\AbstractPlatform.php</p> <p>Windows...
  • Unknown database type bit requested, Doctrine\DBAL\Platforms\MySQL57Platform may not support it." on line 423 of /Users/brett/Code/Project11/vendor/doctrine/dbal/lib/Doctrine/DBAL/Platforms/...
  • Unknown database 'sbtest'

    2021-01-09 12:54:16
    FATAL: error 1049: Unknown database 'sbtest' FATAL: failed to execute function `prepare': ...riadb/sysbench/sysbench/sysbench </code></pre> <p><strong>The sysbench command is:...
  • Backup failed because The dump process failed with exitcode 2 : Misuse of shell builtins : mysqldump: Got error: 1049: Unknown database 'liveoldham' when selecting the database . #0 /home/...
  • Unknown database 'database'---无法找到名为database的数据库  在进行JavaEE项目开发时,部署工程至tomcat,启动报错Unknown database 'database'。可能有两方面的原因:  一、数据库名书写错误  不管是在...
  • Problem is, once I install api-platform v2, an “unknown database 'my_db_test'” is raised whatever the action. <p>e.g. $ php bin/console doctrine:database:create -e test</code></p> ...
  • Error: Unknown database type error Command failed with exit code 1. info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command. Creating database migration... [failed] → ...
  • Unknown database 'osu'

    2021-01-02 19:11:19
    SQLSTATE[HY000] [1049] Unknown database 'osu'" error every time I try to perform an ssh action or open the page using localhost. <p>I feel so clueless... Curse me and my inexperience with ...
  • <div><p>Some changes have been made in Mojave. Running the script ...TCC Database structure is unknown. Error opening Database. </code></pre>该提问来源于开源项目:jacobsalmela/tccutil</p></div>
  • (3/3) QueryExceptionSQLSTATE[HY000] [1049] Unknown database 'assetmanagement' (SQL: select * from information_schema.tables where table_schema = assetmanagement and table_name = users...
  • 在eclipse上用jdbc连接mysql 报错如图 可是我明明有创建数据库实例![图片说明](https://img-ask.csdn.net/upload/201909/15/1568553557_480567.png)![图片说明]...
  • 启动flowable的时候报错,Caused by: org.flowable.common.engine.api.FlowableException: Could not update Flowable database schema: unknown version from database: '6.5.0.6',原因是使用了flowable的流程设计...
  • Unknown database 'DB_NAME'

    千次阅读 2015-08-22 16:53:00
    Cannot create PoolableConnectionFactory (Unknown database 'DB_NAME'): com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown database 'DB_NAME' Because, there was no Database schem...
  • <div><p>I have a column called &... Unknown database type point requested, Doctrine\DBAL\Platforms\MySQL57Platf orm may not support it. 该提问来源于开源项目:Xethron/migrations-generator</p></div>
  • Unknown database ‘modd

    2021-01-10 22:48:11
    application.yml文件报错 //报错代码 #配置数据源的属性 spring: datasource: druid: ... url: jdbc:mysql://127.0.0.1:3306/modd?useUnicode=true&characterEncoding=utf8&useSSL=true&...
  • Could not update Activiti database schema: unknown version from database: '5.20.0.1' 2017年11月22日 13:44:42 琴仙咩豆丁 阅读数:4401 版权声明:Yes, I still love you, let me accompany you ...
  • Django提示Unknown database处理方法

    千次阅读 2017-05-17 09:51:00
    cmd.exe运行别人的程序 C:\Python27\Python.exe E:\Django\Guest\Guest\...django.db.utils.InternalError: (1049, u"Unknown database 'guest_test'") 解决方法:创界对应数据库 C:\Windows\system32>m...
  • <div><p>I get this error when I try to update my staging server either from production or development. Am I missing a configuration or something? </p><p>该提问来源于开源项目:...
  • 控制台报错:Unknown database 'xxxxx'

    万次阅读 2019-04-30 12:45:02
    一、问题描述:Unknown database ‘xxxxx’ 二、环境: eclipse mars; mysql 5.7; tomcat8.0; 三、查找原因: cmd打开window控制台,输入命令: C:\Users\Qiao>mysql -uroot -p Enter ...
  • 1049 :Unknown database “xxxx” 原以为是名字的问题,于是打开终端对比,发现也没有不对。无论大小写还是空格。 那应该是连接数据库的语句出现的错误。 后来经过发现,问题在连接地址上面: 原来127.0.0.1和...

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