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)
Environment
- JBoss Enterprise Application Platform (EAP)
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