Gradle project sync fails - java

I get this error:
Gradle project sync failed
I don't understand how to use the levels that the other users said and unfortunately didn't get my problem solved. I'm a beginner.

Related

> Could not resolve all files for configuration ':classpath'

I'm trying to rebuild a project in order to be compatible with Google Play store requirements, however the code was generated on earlier version of android 8, I got the code & trying to rebuild faced many issues & covered most of them, however last issue I"m facing now is receiving the following when I Sync, any idea to stope this error in order to build the project?
Sync error:
problem occurred configuring root project 'ascc-android 2'.
Could not resolve all files for configuration ':classpath'.
Could not find io.realm:realm-gradle-plugin:6.0.1.
Searched in the following locations:
- https://dl.google.com/dl/android/maven2/io/realm/realm-gradle-plugin/6.0.1/realm-gradle-plugin-6.0.1.pom
- https://repo.maven.apache.org/maven2/io/realm/realm-gradle-plugin/6.0.1/realm-gradle-plugin-6.0.1.pom
Required by:
project :
Possible solution:
Declare repository providing the artifact, see the documentation at https://docs.gradle.org/current/userguide/declaring_repositories.html

How to maven release:prepare issue and Plugin not found issue

Hello I am following along a Spring course and am currently trying to do multi-module maven builds. Most of it is working however it is sating my maven-release-plugin cannot be found. As well as this when i run release:prepare I am getting this error:
Maven Error
I am completely lost on ways to solve it, I have tried to delete and reimport the plugins. invalidate the cache and restart yet I cannot solve it. Any help would be great.
If you need any more code please let me know
You can only run the Maven release plugin if you commit your changes first.

Build Error in Android Studio v3.1.1

I have checked for any implementation mistakes in gradle files or other mistakes in Java code and couldn't find any.
I'm getting this error :
'Could not delete path 'C:\Users\admin\AndroidStudioProjects\BreakTip\app\build\intermediates\incremental\mergeDebugResources\merged.dir\values-fa'.'
Why is it trying to delete the path when I want to build the project?
Is there any solution?
Maybe there is problem because of some version, try to update Realm plugin to 4.2.0.
See: https://github.com/realm/realm-java/issues/5521
In latest releases of Android Studio one option has been added to Clean the project.
Build > Clean Project
After this step rebuild project :
Build > Rebuild Project

Maven Build Error - Firefly Plugin - No plugin found

I have tried several methods to resolve this issue.
I am trying to install the Vaadin Starter App "Bakery"
Version using : Java, Shiro, Vaadin Platforms.
Error on build failure:
No plugin found for prefix 'firefly' in the current project and in the plugin groups
I've tried methods listed [here][1]
and another post by deleting my .m2/resources and letting it repopulate. and also a mvn clean install, but I keep getting same error messages.
Here is a [link][1] to the error messages:
Above the plugin error are some type of fetch cant get meta data messages.
I'm thinking it needs a different version of a plugin, needs pom file or settings file edited, but just have not found solution yet.
No plugin found for prefix 'firefly' in the current project and in the plugin groups
I believe it was with the plugin causing a problem. I went to this link, found the file, over-wrote the existing file with the one at the link, did a rebuild and it worked.
Maven-compiler-plugin

Java exception: java.lang.UnsupportedOperationException

I'm trying to execute Maven -> Update project in Eclipse. Every time i do it i get the following error:
An internal error occurred during: "Updating Maven Project".
"java.lang.UnsupportedOperationException".
If i look in the code there aren't any files marked with errors, neither the pom.xml.
Other people working on the same project don't have this problem.
What could be causing this? What details do you need to get an idea about this?
it looks you have problem with one of artifacts you have in local repository try to delete .m2 and clean install project again but you have to be connected to internet, if this not solving your issue check the version of maven you are using and compare it with others.

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