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No java classes in downloaded Selenium jar

I am trying to upgrade to Selenum 4.0.0-alpha-6 (same issue happens also with version 3.141.59) which seems to be available in Maven repository. I tried first to add this dependency to my pom.xml:
<dependency>
<groupId>org.seleniumhq.selenium</groupId>
<artifactId>selenium-java</artifactId>
<version>4.0.0-alpha-6</version>
</dependency>
The version appears red in IntelliJ which for some reason sees 3.12.0 as the last available version. I know what version IntelliJ sees because I can hit CTRL-space inside the <version> tag.
Running mvn install also complains that the version is not available. So my first question is why do Intellij and Maven not see the latest versions of Selenium?
I reverted to downloading the jar file directly from mvnrepository (that is from here) and adding it to my local repository as follows:
mvn install:install-file -Dfile=selenium-java-4.0.0-alpha-6.jar
-DgroupId=org.seleniumhq.selenium -DartifactId=selenium-java
-Dversion=4.0.0-alpha-6 -Dpackaging=jar -DgeneratePom=true
The jar appears now in my local repo, the Maven dependency does not appear red anymore, but all Selenium-related references in my project appear red. Examining the downloaded jar file reveals that it contains no Java classes:
C:\Development\Java\Selenium>jar tf selenium-java-4.0.0-alpha-6.jar
META-INF/
META-INF/MANIFEST.MF
META-INF/versions/9/
META-INF/versions/9/module-info.class
Any idea what I am missing?
Update: I have added a small project in GitHub that demonstrates the problem. The pom just has the Selenium dependency.
Just running mvn install results in the error below. So this is not just a problem with IntelliJ:
[ERROR] Failed to execute goal on project MySeleniumProject: Could not resolve dependencies for project com.my:MySeleniumProject:jar:1.0-SNAPSHOT: Failed to collect dependencies for [org.seleniumhq.selenium:selenium-java:jar:3.141.59 (compile)]: Failed to read artifact descriptor for org.seleniumhq.selenium:selenium-ja
va:jar:3.141.59: Could not transfer artifact org.seleniumhq.selenium:selenium-java:pom:3.141.59 from/to central (http://repo.maven.apache.org/maven2): Failed to
transfer file: http://repo.maven.apache.org/maven2/org/seleniumhq/selenium/selenium-java/3.141.59/selenium-java-3.141.59.pom. Return code is: 501 , ReasonPhras
e:HTTPS Required.

Try use stable older version
<dependency>
<groupId>org.seleniumhq.selenium</groupId>
<artifactId>selenium-java</artifactId>
<version>3.141.59</version>
</dependency>
Check also, if you have other errors in pom, and have proper java version

I think your project is correct and problem is with maven configuration. Use commandline to see what maven version you have? maven -v. Try use mvn dependency:resolve on the project - from command line

The problem is resolved by upgrading maven. I had Maven 3.0.5, and uprading to 3.6.3 resolved the dependency successfully.

eclipse project has jar in referenced library not listed as dependency

I have a java project setup in eclipse to build with maven. Project itself is a multi-module maven project (but I am not using m2e plugin rather maven-eclipse plugin, and eclipse project does not have maven nature)
When running mvn install within eclipse, everything compiles fine, but when I run the same command in command prompt, I get compile errors due to a missing dependency.
I see that the jar it's looking for is neither listed explicitly as dependency in pom.xml or is a transitive dependency. I tried running mvn dependency:tree but also couldn't see this jar.
How can this jar be available in eclipse?
Update: two missing jars are
<dependency>
<groupId>org.springframework.integration</groupId>
<artifactId>spring-integration-jms</artifactId>
</dependency>
<dependency>
<groupId>javax.jms</groupId>
<artifactId>jms</artifactId>
</dependency>

I solved the issue. Problem had to do with my invalid global mirror settings that redirected traffic to wrong remote repository so it could not find and install dependencies, later causing compile error.
In eclipse, I was using embedded maven referencing user settings only with no global settings therefore it worked fine.

Missing artifact com.oracle:ojdbc7 in eclipse

I have imported a Maven Project in Eclipse (EE Developer) and I have in my pom.xml file the following error, “Missing artifact com.oracle:ojdbc7:jar:12.1.0.2″ in this code:
<dependency>
<groupId>com.oracle</groupId>
<artifactId>ojdbc7</artifactId>
<version>12.1.0.2</version>
</dependency>
I have done so by downloading the ojdbc7.jar and run this command:
mvn install:install-file -Dfile=/Path-to-jar/ojdbc7.jar
-DgroupId=com.oracle
-DartifactId=ojdbc7
-Dversion=12.1.0.2
-Dpackaging=jar
-DgeneratePom=true
After that, I got as an output BUILD SUCCESS, and if I go to the .m2 folder I see in the com->oracle->ojdbc7 two files called “ojdbc7-12.1.0.1.jar.lastUpdated” and “ojdbc7-12.1.0.1.pom.lastUpdated” but still Eclipse brings me the code into the pom.xml file as an error?!?!?!
Can some one help?

This artifact version (12.1.0.2) has been removed to an another dependency.
See: https://mvnrepository.com/artifact/com.oracle/ojdbc7
Try to change the new dependency:
<dependency>
<groupId>com.oracle.database.jdbc</groupId>
<artifactId>ojdbc8</artifactId>
<version>12.2.0.1</version>
</dependency>

After successfully running the "mvn install" command right click your Project -> Maven -> Update Project (or Alt+F5).

I would get rid of those 2 files manually (lastUpdated) then re-run your install command and finally build your project. Those 2 files have been created by mvn as flags to avoid refetching them for a certain amount of time. They certainly have been created prior to your manual install-file command.

I recommend you to follow the instruction given in this link.
"http://javabycode.com/build-tools/maven/add-oracle-jdbc-driver-maven.html"
As per your dependency in pom.xml there should be 4 files generated inside "m2repo\com\oracle\ojdbc7\12.1.0.2" folder.
ojdbc7-12.1.0.2.jar
ojdbc7-12.1.0.2.jar.lastUpdated
ojdbc7-12.1.0.2.pom
ojdbc7-12.1.0.2.pom.lastUpdated
But as you are saying you checked for "ojdbc7-12.1.0.1.jar.lastUpdated", that should not be the case. I recommend you to delete your dependency folder and then start from scratch.

Some how the jar is not getting downloaded into the local pc. I opened the maven site https://mvnrepository.com/artifact/com.oracle/ojdbc7/12.1.0.2 and downloaded the required jar and placed it in to the .m2 folder, and the error is gone.

how to get maven to update a specific version dependency

i'm kinda new to maven after coming from a simple yet uncouth ant world.
<dependencies>
<dependency>
<groupId>com.foo.bar.EPT</groupId>
<artifactId>EPTUtils</artifactId>
<version>1.2.9-SNAPSHOT</version>
<scope>compile</scope>
</dependency>
I'm looking for a maven command to specifically update this version to 1.2.14-SNAPSHOT. I've tried
mvn -DallowSnapshots=true versions:use-latest-snapshots -Dincludes=com.foo.bar.*
but that didn't update what i had in my local repo.

Change
<version>1.2.9-SNAPSHOT</version>
to
<version>1.2.14-SNAPSHOT</version>
in the pom.xml of your Maven project. Then build the project.
mvn clean test package
Maven will download the dependency and store it in your local ~/.m2 repository.
Edit: Also see How do I tell Maven to use the latest version of a dependency? for more information about Maven and latest versions.
Edit 2: You can use the Versions Maven Plugin that as goals that can help you with that.

IntelliJ not loading transitive dependency in maven project

I've made a small library, lets call it lib. It dependends on another library, sublib which is available in Maven central:
lib/pom.xml:
<dependencies>
<dependency>
<groupId>3rdparty</groupId>
<artifactId>sublib</artifactId>
<version>x</version>
</dependency>
</dependencies>
Now I'm trying to use lib in my project proj. I've set it as a dependency:
proj/pom.xml:
<dependencies>
<dependency>
<groupId>mynamespace</groupId>
<artifactId>lib</artifactId>
<version>y</version>
</dependency>
</dependencies>
When I run mvn exec:java -D exec.mainClass=mynamespace.proj.Main the program runs fine.
However if I run it from IntelliJ, I get the following error:
java.lang.NoClassDefFoundError: 3rdparty/SomeSubLibClass
at mynamespace.SomeLibClass.method(SomeLibClass.java:100)
This seems to indicate that IntelliJ does not load the transitive sublib dependency. How can I fix this?

You can manually right click on the pom.xml file in the file tree and select maven > reimport.
Sometimes you'll see a popup saying "Maven projects need to be imported"; you should select Enable Auto-Import.
This option can be found in Preferences > Maven > Importing > [x] Import Maven projects automatically (and is unchecked by default):

What worked for me was changing from using maven (Intellij) version and using my latest version that was installed on my machine previously.

I had a similar problem. The below command resolved the problem. It downloaded all the dependency jars into my IDEA project.
mvn -U idea:idea