Hadoop programming-maven environment building

maven：

Configure maven environment

① Decompress maven to a path with no spaces and no Chinese

② Add environment variable M2_HOME and PATH path

M2_HOME=C:\mysoft\apache-maven-3.5.0

PATH=%M2_HOME%\bin

Test (mvn -version)

Edit pom.xml file

org.apache.hadoop

hadoop-client

2.7.4

maven basic command

mvn clean compile

mvn clean package

mvn archetype:generate

Configure maven repository

① Get warehouse files

② Configuration conf/settings file

/path/to/local/repo

eclipe integration maven

① Go back to eclipse for configuration

Windows->Preferences-> Search maven->User Settings

Global Settings //Find maven Settings file

User Settings //Find maven Settings file

Local Repository //maven Settings file configured repository address

Build a private server

① Get tomcat and nexus.war and put them under the path

② Configure environmental variables

CATALINA_HOME=C:\mysoft\apache-tomcat-8.5.15

PATH=%CATALINA_HOME%\bin

③ Put nexus under tomcat webapps, start tomcat, initialize nexus.war

④web browser localhost:8080/nexus Enter the nexus home page. If you can enter, it proves that the initialization is complete.

Edit C:\mysoft\apache-tomcat-8.5.15\webapps\nexus\WEB-INF\classes\nexus.properties file,

nexus-work=C:/mysoft/apache-tomcat-8.5.15/sonatype-work/nexus //This path is a dependency library for private servers.

④ Extract the central file into the private server dependency library sonatype-work\nexus\storage\central

7 Start tamcat to check whether the private service is successfully built

Configure maven settings file

The administrator sets the index to update automatically

admin admin123

configuration->Download Remote Indexes= true

Register tamcat to system services

Step 1:

In tomcat bin directory, enter cmd

Step 2:

Command line type service.bat install tomcat

Step 3:

Modify tomcat service startup mode under windows service