Maven

'modelVersion' child tag should be defined: Reports the absence of <modelVersion> tag.
Duplicate Dependencies: Reports duplicate dependencies.
Duplicate plugin declaration: Reports the duplication of the plugin declaration in pom.xml.
Maven Model Inspection: Reports resolution problems in a Maven model.
Maven version 4+ is required for projects with 4.1.0 schema: Reporst about old maven version in projects with model 4.1.0.
Model version 4.1.0 is required for the packaging: Ensures that the new Maven packaging does not appear in the legacy model version.
Multi-module directory is not defined: Reports the absence of the .mvn directory/root tag, or when .mvn is located above the managed root project.
Parent groupId or artifactId is missing: Reports the absence of <groupId> and <artifactId> elements in the <parent> tag.
Parent version missed: Reports the absence of the parent version element for versions that do not support consumer POM feature.
Redundant groupId: Reports the unnecessary <groupId> definition since it is already defined in the parent pom.xml.
Redundant version: Reports an unnecessary <version> definition, as it is already specified in the parent pom.xml.
The <modules> tag is deprecated; use <subprojects> instead: Reports the presence of the <modules> tag in the Maven 4.1.0 model version.
The parent coordinates are redundant and not required in Maven 4: Reports redundant parent coordinates for Maven 4 projects.
Usage of properties in parent description: Reports that the usage of properties in modules parent definition is prohibited.
Wrong model version. Model version should be 4.1.0 for this tag: Reports the new model tags in the old project schema.
Wrong model version. Model version should be 4.1.0 for this tag (MavenNewModelVersionInOldSchema): Reports the new model version in the old project schema.

Last modified: 04 March 2026