High CPU in java.util.regex.Matcher

Issue

• High CPU is seen in threads making calls to java.util.regex.Matcher:

"http-0.0.0.0-8080-1" daemon prio=10 tid=0x00000000499c9000 nid=0x1672 runnable [0x000000006880a000]
   java.lang.Thread.State: RUNNABLE
        ...
    at java.util.regex.Pattern$Curly.match0(Pattern.java:3782)
    at java.util.regex.Pattern$Curly.match(Pattern.java:3744)
    at java.util.regex.Pattern$Ques.match(Pattern.java:3691)
    at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
    at java.util.regex.Pattern$Loop.match(Pattern.java:4295)
    at java.util.regex.Pattern$GroupTail.match(Pattern.java:4227)
    at java.util.regex.Pattern$Curly.match0(Pattern.java:3782)
    at java.util.regex.Pattern$Curly.match(Pattern.java:3744)
    at java.util.regex.Pattern$Ques.match(Pattern.java:3691)
    at java.util.regex.Pattern$GroupHead.match(Pattern.java:4168)
    at java.util.regex.Pattern$Loop.matchInit(Pattern.java:4314)
    at java.util.regex.Pattern$Prolog.match(Pattern.java:4251)
    at java.util.regex.Pattern$Curly.match0(Pattern.java:3782)
    at java.util.regex.Pattern$Curly.match(Pattern.java:3744)
    at java.util.regex.Pattern$Begin.match(Pattern.java:3120)
    at java.util.regex.Matcher.match(Matcher.java:1127)
    at java.util.regex.Matcher.matches(Matcher.java:502)