Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Coderanch by K Riaz, 1 year ago
Illegal group reference
via javasystemsolutions.com by Unknown author, 2 years ago
via priyankgandhi.com by Unknown author, 2 years ago
via Stack Overflow by DarthVader
, 2 years ago
via Stack Overflow by lightheat
, 2 years ago
java.lang.IllegalArgumentException: Illegal group reference	at java.util.regex.Matcher.appendReplacement(Matcher.java:561)	at java.util.regex.Matcher.replaceAll(Matcher.java:661)	at java.lang.String.replaceAll(String.java:1663)	at ReplaceTest.main(ReplaceTest.java:13)