the following have too many parameters to a printf, so are missing a formatter

open/test/jdk/java/net/httpclient/AsyncShutdownNow.java
open/test/jdk/java/net/httpclient/ShutdownNow.java
open/test/jdk/java/net/httpclient/HttpClientShutdown.java

issue with
out.printf(now() + "%d: shutting down client%n", i, sleep);

remove sleep arg from statement ?

and 
open/test/jdk/java/net/httpclient/HttpClientShutdown.java

out.printf(now() + "%s:  Closing body due to assertion - %s", error);

out.printf(now() + "%d: sleeping %d ms%n", i, sleep);