First of all you should try File | Invalidate Caches and if it doesn’t help, delete IDEA system directory. Then re-import the Maven project and see if it helps. In some weird cases compiled classes may report wrong info and confuse IDEA. Verify that the classes from this jar report correct names using javap.
On your Eclipse IDE, go into Window > Preferences > Java > Installed JREs > and check your installed JREs. You should have an entry with a JDK there. Select the Execution Env as show below. Click OK Then Right-Click on your Project -> Maven -> Update Project Additionally, you may have to change Maven … Read more
The following two articles helped me to better understand how Maven and Ivy inter-operate http://www.symphonious.net/2010/01/25/using-ivy-for-dependency-management/ http://lightguard-jp.blogspot.com/2009/04/ivy-configurations-when-pulling-from.html Oddly, I never really understood ivy configurations, until it was explained how they can be used to simulate Maven scopes. The following listis from the www.symphonious.net link and illustrates the available configurations from pom-files/maven repositories: default runtime dependencies and … Read more
The jar file may be corrupt. Try removing the content of the following folder: C:\Users\[username]\.m2\repository Then right click your project, select Maven, Update Project, check on Force Update of Snapshots/Releases.
How do I find a repository (if any) that contains this artifact? Unfortunately due the binary license there is no public repository with the Oracle Driver JAR. This happens with many dependencies but is not Maven’s fault. If you happen to find a public repository containing the JAR you can be sure that is illegal. … Read more
The reason for the observed error is explained in Central 501 HTTPS Required Effective January 15, 2020, The Central Repository no longer supports insecure communication over plain HTTP and requires that all requests to the repository are encrypted over HTTPS. It looks like latest versions of Maven (tried with 3.6.0, 3.6.1) are already using the … Read more
Über is the German word for above or over (it’s actually cognate with the English over). Hence, in this context, an uber-jar is an “over-jar”, one level up from a simple JAR (a), defined as one that contains both your package and all its dependencies in one single JAR file. The name can be thought … Read more
A snapshot version in Maven is one that has not been released. The idea is that before a 1.0 release (or any other release) is done, there exists a 1.0-SNAPSHOT. That version is what might become 1.0. It’s basically “1.0 under development”. This might be close to a real 1.0 release, or pretty far (right … Read more
You still need to add <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-dependency-plugin</artifactId> </plugin> </plugins> in your build, because pluginManagement is only a way to share the same plugin configuration across all your project modules. From Maven documentation: pluginManagement: is an element that is seen along side plugins. Plugin Management contains plugin elements in much the same way, except … Read more
Check idea.log for errors. It may fail with OutOfMemory error in which case you can try increasing the heap size for Maven Importer (VM options for importer) and IDE heap size. Try not to exceed 750-1024m for -Xmx value if you are running on a 32-bit JVM (default), otherwise it may crash or fail to … Read more