下载MongoDB我发现很难在后台下载MongoDB。我成功地完成了命令:
brew services start mongodb-community@4.2 ,
但每次我试着命令:
mongod --config /usr/local/etc/mongod.conf --fork,
它写道:
bash: mongod: command not found.
命令:
brew services list
工作并运行以下内容:
Name Status User File
mongodb-community@4.2 started myName ~/Library/LaunchAgents/ho
如果我试图将数据/db文件夹从mongodb的旧安装直接复制到新的安装中,那么当我尝试启动mongodb时,我会得到这个错误,
** IMPORTANT: UPGRADE PROBLEM:
Found an invalid featureCompatibilityVersion document
(ERROR: BadValue: Invalid value for version, found 3.6, expected '4.2' or '4.0'.
Contents of featureCompatibilityVersion document in ad
我想在我的服务器上安装Mongdb,操作系统是centos 7.x,vim /etc/yum.repos.d/mongodb-org-4.2.repo和输入[mongodb-org-4.2] …………工作正常,但是sudo yum install -y mongodb-org错误,错误是failure: repodata/repomd.xml from mongodb-org-4.0: [Errno 256] No more mirrors to try. https://repo.mongodb.org/yum/redhat/#releasever/mongodb-org/4.0/x86_
E: Type 'mongodb-org/4.2' is not known on line 2 in source list /etc/apt/sources.list.d/mongodb-org-4.2.list
E: Malformed line 1 in source list /etc/apt/sources.list.d/some-ppa.list (type)
E: The list of sources could not be read.
我怎么能解决这个问题
我正在使用Symfony 4的Doctrine ODM包。试图对文档使用XML映射格式,并得到以下错误:
No mapping file found named 'Post.mongodb.xml' for class 'App\Document\Post'.
我的doctrine_mongodb.yaml文件:
doctrine_mongodb:
auto_generate_proxy_classes: '%kernel.debug%'
auto_generate_hydrator_classes: '%kernel.d
我的DockerFile如下:
FROM python:3.6
RUN wget -qO - https://www.mongodb.org/static/pgp/server-4.2.asc | apt-key add -
RUN echo "deb [ arch=amd64 ] https://repo.mongodb.org/apt/ubuntu bionic/mongodb-org/4.2 multiverse" | tee /etc/apt/sources.list.d/mongodb-org-4.2.list
RUN apt-get update
RUN apt-g
FailedToParse: Database name cannot have reserved characters for mongodb:// URL: mongodb+srv://cluster0-lh5ma.mongodb.net/<dbname> try 'C:\Program Files\MongoDB\Server\4.2\bin\mongo.exe --help' for more information
最初找不到该问题,但最终发现该问题是由于未在路径末尾插入数据库名称造成的。解决方案:
mongodb:// URL: mongodb+srv:
我有一个带有$geoNear管道步骤的Aggregation支持的分页API。在4.2之前的Mongo版本中,$geoNear聚合的默认限制为100。 为了避免这种情况,可以将NearQuery的num字段设置为较大的数字。 Query query = new Query();
...
NearQuery nearQuery = NearQuery.near(...);
nearQuery.query(query);
//force the geoNear operation to return more than 100 results
n
即使我在根目录下安装,我也一直收到这个错误 我用的是brew services start mongodb-community@4.2 Error: Formula `mongodb-community` has not implemented #plist, #service or installed a locatable service file
当我在mongo.conf文件中启用directoryperdb选项时,mongodb服务器服务没有启动。 上面写的是directotyperdb value can't be true。 以下是mongo日志: 2020-03-16T15:37:55.300+0530 I CONTROL [main] Automatically disabling TLS 1.0, to force-enable TLS 1.0 specify --sslDisabledProtocols 'none'
2020-03-16T15:37:55.671+0530 I CONT
当我在mongo.conf文件中启用directoryperdb选项时,mongodb服务器服务不会启动。
2020-03-16T15:37:55.300+0530 I CONTROL [main] Automatically disabling TLS 1.0, to force-enable TLS 1.0 specify --sslDisabledProtocols 'none'
2020-03-16T15:37:55.671+0530 I CONTROL [main] Trying to start Windows service 'MongoDB