I had a hard time running Apache Maven (hereinafter Maven) in an environment with an in-house Proxy, so I would like to summarize the Proxy setting method as a memorandum.
It is a build tool that manages libraries in Java, builds projects, executes tests, deploys, etc. I understand that it is equivalent to GNU Make in C language.
Ubuntu 16.04.5 LTS
Install Maven. This verification is carried out on Ubuntu.
sudo apt install -y maven
$ mvn -v
Apache Maven 3.3.9
Maven home: /usr/share/maven
Java version: 9-internal, vendor: Oracle Corporation
Java home: /usr/lib/jvm/java-9-openjdk-amd64
Default locale: ja_JP, platform encoding: UTF-8
OS name: "linux", version: "4.4.0-137-generic", arch: "amd64", family: "unix"
Edit `` `/etc/maven/settings.xml``` if the internal Proxy wall is standing up
sudo vim /etc/maven/settings.xml
<!-- proxies
| This is a list of proxies which can be used on this machine to connect to the network.
| Unless otherwise specified (by system property or command-line switch), the first proxy | specification in this list marked as active will be used.
|-->
<proxies>
<!-- proxy
| Specification for one proxy, to be used in connecting to the network.
|-->
<proxy>
<id>http_proxy</id>
<active>true</active>
<protocol>http</protocol>
<username>USER_NAME</username>
<password>PASSWD</password>
<host>HOST</host>
<port>PORT</port>
<nonProxyHosts>NON_PROXY</nonProxyHosts>
</proxy>
<proxy>
<id>https_proxy</id>
<active>true</active>
<protocol>https</protocol>
<username>USER_NAME</username>
<password>PASSWD</password>
<host>HOST</host>
<port>PORT</port>
<nonProxyHosts>NON_PROXY</nonProxyHosts>
</proxy>
</proxies>
Create a test project to check the operation of the installed Maven. If the Proxy settings are not completed correctly, an execution error will occur and a large number of Errors will be displayed.
Create a Maven project for operation verification. Name it test-app.
mvn archetype:generate
Choose archetype:
1: internal -> org.apache.maven.archetypes:maven-archetype-archetype (An archetype which contains a sample archetype.)
2: internal -> org.apache.maven.archetypes:maven-archetype-j2ee-simple (An archetype which contains a simplifed sample J2EE application.)
3: internal -> org.apache.maven.archetypes:maven-archetype-plugin (An archetype which contains a sample Maven plugin.)
4: internal -> org.apache.maven.archetypes:maven-archetype-plugin-site (An archetype which contains a sample Maven plugin site.
This archetype can be layered upon an existing Maven plugin project.)
5: internal -> org.apache.maven.archetypes:maven-archetype-portlet (An archetype which contains a sample JSR-268 Portlet.)
6: internal -> org.apache.maven.archetypes:maven-archetype-profiles ()
7: internal -> org.apache.maven.archetypes:maven-archetype-quickstart (An archetype which contains a sample Maven project.)
8: internal -> org.apache.maven.archetypes:maven-archetype-site (An archetype which contains a sample Maven site which demonstrates
some of the supported document types like APT, XDoc, and FML and demonstrates how
to i18n your site. This archetype can be layered upon an existing Maven project.)
9: internal -> org.apache.maven.archetypes:maven-archetype-site-simple (An archetype which contains a sample Maven site.)
10: internal -> org.apache.maven.archetypes:maven-archetype-webapp (An archetype which contains a sample Maven Webapp project.)
Choose a number or apply filter (format: [groupId:]artifactId, case sensitive contains): 7:[Enter with default]
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/archetypes/maven-archetype-quickstart/1.1/maven-archetype-quickstart-1.1.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/archetypes/maven-archetype-quickstart/1.1/maven-archetype-quickstart-1.1.pom (2 KB at 2.4
KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/archetypes/maven-archetype-bundles/4/maven-archetype-bundles-4.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/archetypes/maven-archetype-bundles/4/maven-archetype-bundles-4.pom (4 KB at 4.1 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/archetype/maven-archetype/2.0-alpha-5/maven-archetype-2.0-alpha-5.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/archetype/maven-archetype/2.0-alpha-5/maven-archetype-2.0-alpha-5.pom (9 KB at 32.5 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/maven-parent/16/maven-parent-16.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/maven-parent/16/maven-parent-16.pom (23 KB at 45.1 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/archetypes/maven-archetype-quickstart/1.1/maven-archetype-quickstart-1.1.jar
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/archetypes/maven-archetype-quickstart/1.1/maven-archetype-quickstart-1.1.jar (7 KB at 23.9 KB/sec)
Define value for property 'groupId': com.test
Define value for property 'artifactId': test-app
Define value for property 'version' 1.0-SNAPSHOT: :[Enter with default]
Define value for property 'package' com.test: :[Enter with default]
Confirm properties configuration:
groupId: com.test
artifactId: test-app
version: 1.0-SNAPSHOT
package: com.test
Y: : y
[INFO] ----------------------------------------------------------------------------
[INFO] Using following parameters for creating project from Old (1.x) Archetype: maven-archetype-quickstart:1.1
[INFO] ----------------------------------------------------------------------------
[INFO] Parameter: basedir, Value: /home/user
[INFO] Parameter: package, Value: com.test
[INFO] Parameter: groupId, Value: com.test
[INFO] Parameter: artifactId, Value: test-app
[INFO] Parameter: packageName, Value: com.test
[INFO] Parameter: version, Value: 1.0-SNAPSHOT
[INFO] project created from Old (1.x) Archetype in dir: /home/user/test-app
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 01:15 min
[INFO] Finished at: 2020-03-19T09:24:46+09:00
[INFO] Final Memory: 19M/64M
[INFO] ------------------------------------------------------------------------
The OSS I wanted to try was implemented in Java and was distributed in the state of the Maven project, so I installed Maven, but as expected, it was blocked by the in-house Proxy and the build did not remain at first. Since the settings related to Proxy differ depending on the application, I thought that it is necessary to keep a memo as soon as it is resolved when it collides.
Reference [Introduction to Java build tools Maven / Gradle / SBT / Bazel support (written by Tsuyano Palma; Shuwa System; 2017)](https://www.amazon.co.jp/Java80-Maven-Gradle-SBT-Bazel9C- ebook / dp / B079Z1PG6C / ref = tmm_kin_swatch_0? _encoding = UTF8 & qid = 1567397583 & sr = 8-1) https://www.codeflow.site/ja/article/maven__how-to-install-maven-in-ubuntu
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