spring boot starter data mongodb

The configuration of the data source can follow the example of the Spring boot Learning (vii) Web application using the JdbcTemplate Datasourceconfig implementation in a multi-data source configuration. Add a new JPA configuration to the first data source, noting two notes w

-starter-parentArtifactid> version>1.5.8.releaseversion> RelativePath/> Parent> Properties> project.build.sourceEncoding>utf-8project.build.sourceEncoding> project.reporting.outputEncoding>utf-8project.reporting.outputEncoding> java.version>1.8java.version> Properties> Dependencies> Dependency> groupId>org.springframework.bootgroupId> Artifactid>spring-boot-start

[From] Http://www.tuicool.com/articles/JBvQrmjThis article explains how to use ElasticSearch to achieve full-text search based on spring boot.Version notesThe version of Spring data ElasticSearch needs to match the spring boot, elasticSearch version.

Org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate ( Runaftertestmethodcallbacks.java:86) at Org.springframework.test.context.junit4.statements.SpringRepeat.evaluate (SpringrepeatInitially thought to be its own configuration problem, after the check found no errorMay be a jar package conflict after analysisUpgrade the Spring-orm jar package to a higher version problem resolutionSpring

1. Introduction of two dependenciesDependency> groupId>Org.springframework.bootgroupId> Artifactid>Spring-boot-starter-data-jpaArtifactid>Dependency>Dependency> groupId>MysqlgroupId> Artifactid>Mysql-connector-javaArtifactid>Dependency>2. Modify the data source confi

=jdbc:mysql://localhost:3306/test?useunicode=truecharacterencoding=utf-8 usessl=false Spring.datasource.username=Rootspring.datasource.password=123456Spring.datasource.driver-class-name=Com.mysql.jdbc.Driverspring.jpa.properties.hibernate.hbm2ddl.auto=ValidateIv. Creating a database access classImport Org.springframework.data.jpa.repository.JpaRepository;Import Org.springframework.data.jpa.repository.Query;Import Org.springframework.data.repository.query.Param;Import Com.zh.SpringBootDemo.domain

Spring Data MongoDB III: Basic document Queries (query, basicquery) (i) Learn MongoDB II: MongoDB Add, delete, modifyA. IntroductionSpring Data MongoDB provides org.springframework.data

table mapping) technologies. The so-called specification is defined only by standard rules (such as annotations, excuses) and does not provide implementations. Implementations can be implemented by software providers such as Hibernate.1. Define an interface that inherits Jparepository, which means that findall,save,saveandflush are already available by default, such as Personrepository.2. Open Spring data

recommended to combine SPRING-JDBC to operate, write dynamic native SQL is easier to develop.Life cycle of JPA objects:New: Instantaneous object, no ID yet, and object associated with persistence context.Managed: Persisted managed object, with ID value, has already established an associated object with persistence context.Datached: A free-form offline object with an ID value, but no associated object with persistence context.Removed: deleted object w

=requestmethod.get) Public@ResponseBody listGetAll () {iterableGradeservice.getall (); IteratorAll.iterator (); ListNewArraylist(); while(Iterator.hasnext ()) {Grade Grade=Iterator.next (); Grades.add (grade); } returngrades; }}5. Spring Boot entry Package com.example; Import org.springframework.boot.SpringApplication; Import org.springframework.boot.autoconfigure.SpringBootApplication; @Spr

"Problem description" The project uses Spring-boot + spring-security, the page uses the Thymeleaf template page code as follows: Login Operation code: /** * Login operation; * * @param userName username; * @param password password; * @param modelmap * @param session * @return * /@RequestMapping (value = "/login", method = requestmethod.post) public Str

The structure of this article:-What is Springdata JPA-Springboot Integrated Spring data JPA The core interface of Spring Data repository is repository (it seems to be nothing to be surprised). This interface requires the domain class with the ID type of the domain class as the parameter. This interface is primarily f

Because 3.0.3,mongodb joins the Scram-sha-1 checksum, a third-party tool is required to verify that a user authentication failure occurs when all spring boot is connected to MongoDB.Workaround:>Use Admin switched to DB admin>varSchema = Db.system.version.findOne ({"_id":"Authschema"}) > schema.currentversion =3 3>Db.system.version.save (Schema) Writeresult ({"nma

Spring Boot integrates mybatis with multiple data sources. springmybatisPreface This tutorial is applicable to practical scenarios. You can simply add the copy code to your project for simple repair, modification, and usage. springboot and mybatis are not described here, if you want to learn more, you can leave a message for me and continue to pay attention to it

In the previous article, we talked about single data connection access, inserting data, but often as the traffic grows, we usually split the database or introduce other databases, so we need to configure multiple data sources, The configuration of two multi-data sources is described below, based on the previous jdbctem

Tags: Execute SQL TE data import directory differentiate Create foreign key Ima LinRecently the intern used the. Netcore to write the background app before using Java rewrite.Specifies that the PostgreSQL database be used with the Spring boot framework. has been accustomed to the XML-based spring app, also no use of Po

/project/tomcat/tomcat-jdbc-pool.htmlSpring Boot prepares us for the best database connection pool scenario by configuring the required connection pool parameters in the properties file (for example, application.properties).After the introduction of the SPRING-BOOT-STARTER-JDBC, the internal TOMCAT-JDBC package is incl

": "2", "Name": "Bes" Ijing "," state ":" BJ "},{" Country ":" CN "," id ":" 3 "," Name ":" Guangzhou "," state ":" GD "}]Actual: [{"id": "1", "name": "San Francisco", "state": "CA", "Country": "US"},{"id": "2", "name": "Beijing", "state": " BJ "," country ":" CN "},{" id ":" 3 "," Name ":" Guangzhou "," state ":" GD "," country ":" CN "}] * */}}References Wang Yunfei. "Spring Boot Combat"

{@Autowired BOOKQ Ueryservice Bookqueryservice; @RequestMapping ("/findbooknoquery") public String findbooknoquery (Modelmap modelmap, @RequestParam (value = "https:// My.oschina.net/wangxincj/blog/page ", defaultvalue =" https://my.oschina.net/wangxincj/blog/0 ") Integer page, @RequestParam (value = "Https://my.oschina.net/wangxincj/blog/size", defaultvalue = "Https://my.oschina.net/wangx INCJ/BLOG/5 ") Integer size) {page　　7. Write the pageFirst we write a gen

Tags: http io ar os using SP Java file dataFirst, prefaceIn fact, the previous project group has also used MongoDB, only then as the main database to use, so the framework will be more complex, such as the use of JPA, if only to use MongoDB as an attached database, Individuals think that the database can be manipulated by Spring-