[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:testCompile (groovy-tests) on project nifi-keycloak-bundle: Execution groovy-tests of goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:testCompile failed: Plugin org.apache.maven.plugins:maven-compiler-plugin:3.8.1 or one of its dependencies could not be resolved: Failed to collect dependencies at org.apache.maven.plugins:maven-compiler-plugin:jar:3.8.1 -> org.codehaus.groovy:groovy-eclipse-batch:jar:2.5.4-01: Failed to read artifact descriptor for org.codehaus.groovy:groovy-eclipse-batch:jar:2.5.4-01: Could not transfer artifact org.codehaus.groovy:groovy-eclipse-batch:pom:2.5.4-01 from/to bintray (https://dl.bintray.com/groovy/maven): Authorization failed for https://dl.bintray.com/groovy/maven/org/codehaus/groovy/groovy-eclipse-batch/2.5.4-01/groovy-eclipse-batch-2.5.4-01.pom 403 Forbidden -> [Help 1]
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:testCompile (groovy-tests) on project nifi-keycloak-bundle: Execution groovy-tests of goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:testCompile failed: Plugin org.apache.maven.plugins:maven-compiler-plugin:3.8.1 or one of its dependencies could not be resolved: Failed to collect dependencies at org.apache.maven.plugins:maven-compiler-plugin:jar:3.8.1 -> org.codehaus.groovy:groovy-eclipse-batch:jar:2.5.4-01: Failed to read artifact descriptor for org.codehaus.groovy:groovy-eclipse-batch:jar:2.5.4-01: Could not transfer artifact org.codehaus.groovy:groovy-eclipse-batch:pom:2.5.4-01 from/to bintray (https://dl.bintray.com/groovy/maven): Authorization failed for https://dl.bintray.com/groovy/maven/org/codehaus/groovy/groovy-eclipse-batch/2.5.4-01/groovy-eclipse-batch-2.5.4-01.pom 403 Forbidden -> [Help 1]
how to resolve this error?