How to download maven dependency as *.jar file?

Question

I attempt to implement the example from here, but upon the Maven dependencies installation I can't find jar file amongst downloaded dependencies.

My pom.xml looks like this:

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <!-- This is often your domain name (reversed.)  -->
    <groupId>com.abc</groupId>
    <!-- The name of this project (actually, the name of the artifact, which is the thing that this project produces. A jar in this case.) -->
    <artifactId>javaparser-maven-sample</artifactId>
    <!-- The version of this project. SNAPSHOT means "we're still working on it" -->
    <version>1.0-SNAPSHOT</version>

    <properties>
        <!-- Tell Maven we want to use Java 8 -->
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
        <!-- Tell Maven to treat all source files as UTF-8 -->
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <geotools.version>2.5.7</geotools.version>
    </properties>
   <repositories>
    <repository>
        <id>maven2-repository.dev.java.net</id>
        <name>Java.net repository</name>
        <url>http://download.java.net/maven/2</url>
    </repository>
    <repository>
        <id>osgeo</id>
        <name>Open Source Geospatial Foundation Repository</name>
        <url>http://download.osgeo.org/webdav/geotools/</url>
    </repository>
    <repository> <!--Add the snapshot repository here-->
        <snapshots>
            <enabled>true</enabled>
        </snapshots>
        <id>opengeo</id>
        <name>OpenGeo Maven Repository</name>
        <url>http://repo.opengeo.org</url>
    </repository>
</repositories>

    <dependencies>
        <!-- Here are all your dependencies. Currently only one. These are automatically downloaded from https://mvnrepository.com/ -->
        <dependency>
            <groupId>com.github.javaparser</groupId>
            <artifactId>javaparser-core</artifactId>
            <version>3.15.21</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/mil.nga.geopackage/geopackage -->
        <dependency>
            <groupId>mil.nga.geopackage</groupId>
            <artifactId>geopackage</artifactId>
            <version>3.5.0</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.geotools/gt-api -->
        <dependency>
            <groupId>org.geotools</groupId>
            <artifactId>gt-api</artifactId>
            <version>20.5</version>
        </dependency>

    <dependency>
        <groupId>org.geotools</groupId>
        <artifactId>gt-epsg-hsql</artifactId>
        <version>${geotools.version}</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.geotools/gt-geometry -->
    <dependency>
        <groupId>org.geotools</groupId>
        <artifactId>gt-geometry</artifactId>
        <version>2.5-M2</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.geotools/gt-referencing -->
    <dependency>
        <groupId>org.geotools</groupId>
        <artifactId>gt-referencing</artifactId>
        <version>17.1</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.locationtech.jts.io/jts-io-common -->
    <dependency>
        <groupId>org.locationtech.jts.io</groupId>
        <artifactId>jts-io-common</artifactId>
        <version>1.16.1</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.opengis/geoapi -->
    <dependency>
        <groupId>org.opengis</groupId>
        <artifactId>geoapi</artifactId>
        <version>3.0.0</version>
    </dependency>
    
    <!-- https://mvnrepository.com/artifact/org.geotools/gt-jts-wrapper -->
<dependency>
    <groupId>org.geotools</groupId>
    <artifactId>gt-jts-wrapper</artifactId>
    <version>17.0</version>
    <scope>test</scope>
</dependency>
    <dependency>
            <groupId>org.geotools</groupId>
            <artifactId>gt-swing</artifactId>
            <version>17.0</version>
        </dependency>

    
    
    </dependencies>

    <!-- This blob of configuration tells Maven to make the jar executable. You can run it with:
    mvn clean package
    java -jar target/javaparser-maven-sample-1.0-SNAPSHOT-shaded.jar
    -->
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-shade-plugin</artifactId>
                <version>3.2.3</version>
                <executions>
                    <execution>
                        <goals>
                            <goal>shade</goal>
                        </goals>
                        <configuration>
                            <shadedArtifactAttached>true</shadedArtifactAttached>
                            <transformers>
                                <transformer
                                        implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                                    <mainClass>com.abc.conversion.LogicPositivizer</mainClass>
                                </transformer>
                            </transformers>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>
</project>

I am able to download all the jars except geotools related jars. When I clean and run the project, in the .m2 folder I am not able to see the geotool related jars. Even in the maven repository I am not able to download the jar file.

Maven repo

Is there any alternative way to proceed?

Answer 1

The repository run by Boundless has been replaced by one hosted by OSGeo. The OSGeo webdav repo was merged into the new OSGeo repo. Details are here (https://docs.geotools.org/latest/userguide/tutorial/quickstart/maven.html)

Replace this block

<repository>
    <id>osgeo</id>
    <name>Open Source Geospatial Foundation Repository</name>
    <url>http://download.osgeo.org/webdav/geotools/</url>
</repository>
<repository> <!--Add the snapshot repository here-->
    <snapshots>
        <enabled>true</enabled>
    </snapshots>
    <id>opengeo</id>
    <name>OpenGeo Maven Repository</name>
    <url>http://repo.opengeo.org</url>
</repository>

with

  <repository>
    <id>osgeo</id>
    <name>OSGeo Release Repository</name>
    <url>https://repo.osgeo.org/repository/release/</url>
    <snapshots><enabled>false</enabled></snapshots>
    <releases><enabled>true</enabled></releases>
  </repository>
  <repository>
    <id>osgeo-snapshot</id>
    <name>OSGeo Snapshot Repository</name>
    <url>https://repo.osgeo.org/repository/snapshot/</url>
    <snapshots><enabled>true</enabled></snapshots>
    <releases><enabled>false</enabled></releases>
  </repository>

Answer 2

If you paste the Open Source Geospatial Foundation Repository URL in your web browser and hit enter it will return 404 Not Found error. This happens when Maven attempts to connect to that resource to fetch dependency for you but it's no longer available. However, if you pay close attention to Maven Repo link, there is a note:

Note: this artefact is located at Boundless repository (https://repo.boundlessgeo.com/main/)

Try to replace http://download.osgeo.org/webdav/geotools/ with a given in the note URL and run mvn clean install

Please let me know if that worked for you.