[mchoma@localhost bin]$ java -jar wildfly-elytron-tool.jar credential-store --add myalias --secret supersecretpassword --location="/tmp/test.store" --uri "cr-store://test?modifiable=true;create=true;keyStoreType=JCEKS" --password mycspassword --salt 12345678 --iteration 230 --summary -t DoesNotExists
Exception in thread "main" java.lang.NullPointerException
    at java.util.regex.Matcher.getTextLength(Matcher.java:1283)
    at java.util.regex.Matcher.reset(Matcher.java:309)
    at java.util.regex.Matcher.<init>(Matcher.java:229)
    at java.util.regex.Pattern.matcher(Pattern.java:1093)
    at java.util.Formatter.parse(Formatter.java:2547)
    at java.util.Formatter.format(Formatter.java:2501)
    at java.io.PrintStream.format(PrintStream.java:970)
    at java.io.PrintStream.printf(PrintStream.java:871)
    at org.wildfly.security.tool.ElytronTool.main(ElytronTool.java:58)