com.vladmihalcea.flexy-pool flexy-pool-parent 2.2.3 4.0.0 flexy-pool-core 2.2.3 jar flexy-pool-core The flexible pool core io.dropwizard.metrics metrics-core ${dropwizard.metrics.version} test org.springframework spring-test test org.apache.maven.plugins maven-jar-plugin ${maven-jar-plugin.version} com.vladmihalcea.flexypool.core test-jar