Cannot invoke "java.nio.channels.AsynchronousServerSocketChannel.accept(Object, java.nio.channels.CompletionHandler)" because the return value of "org.apache.tomcat.util.net.Nio2Endpoint.access$000(org.apache.tomcat.util.net.Nio2Endpoint)" is null

Cannot invoke "java.nio.channels.AsynchronousServerSocketChannel.accept(Object, java.nio.channels.CompletionHandler)" because the return value of "org.apache.tomcat.util.net.Nio2Endpoint.access$000(org.apache.tomcat.util.net.Nio2Endpoint)" is null

Cannot invoke "java.nio.channels.AsynchronousServerSocketChannel.accept(Object, java.nio.channels.CompletionHandler)" because the return value of "org.apache.tomcat.util.net.Nio2Endpoint.access$000(org.apache.tomcat.util.net.Nio2Endpoint)" is null