Install libgeronimo-concurrent-1.0-spec-java by entering the following commands in the terminal:
sudo apt update sudo apt install libgeronimo-concurrent-1.0-spec-java
Description:
Apache Geronimo Concurrency Utilities for Java EE API
Apache Geronimo is an open source server runtime that integrates the best open source projects to create Java/OSGi server runtimes that meet the needs of enterprise developers and system administrators. Its most popular distribution is a fully certified Java EE 6 application server runtime. . This package contains the Concurrency Utilities for Java EE API 1.0 (javax.enterprise.concurrent.* classes).
Homepage: http://geronimo.apache.org
Version: 1.0~alpha-1-1
Section: universe/java