[Htmlunit-user] IAE "Illegal group reference" in 2.4 having jquery 1.8.2

[Peter R. <p....@gm...>]

Collegues,

I often have IAE exceptions like this:

Exception in thread "HtmlUnit Managed Thread #83 for WebWindow : 
XMLHttpRequest.send" java.lang.IllegalArgumentException: Illegal group 
reference
 at java.util.regex.Matcher.appendReplacement(Matcher.java:857)
 at java.util.regex.Matcher.replaceAll(Matcher.java:955)
 at 
com.gargoylesoftware.htmlunit.javascript.regexp.HtmlUnitRegExpProxy.action(HtmlUnitRegExpProxy.java:75)
 at org.mozilla.javascript.NativeString.execIdCall(NativeString.java:380)
 at org.mozilla.javascript.IdFunctionObject.call(IdFunctionObject.java:129)
 at org.mozilla.javascript.Interpreter.interpretLoop(Interpreter.java:3330)
 at org.mozilla.javascript.Interpreter.interpret(Interpreter.java:2487)
 at 
org.mozilla.javascript.InterpretedFunction.call(InterpretedFunction.java:164)
 at org.mozilla.javascript.ContextFactory.doTopCall(ContextFactory.java:398)
 at 
com.gargoylesoftware.htmlunit.javascript.HtmlUnitContextFactory.doTopCall(HtmlUnitContextFactory.java:192)
 at org.mozilla.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:3065)
 at 
org.mozilla.javascript.InterpretedFunction.call(InterpretedFunction.java:162)
 at 
com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.callFunction(JavaScriptEngine.java:472)
 at 
com.gargoylesoftware.htmlunit.javascript.host.XMLHttpRequest.setState(XMLHttpRequest.java:142)
 at 
com.gargoylesoftware.htmlunit.javascript.host.XMLHttpRequest.doSend(XMLHttpRequest.java:413)
 at 
com.gargoylesoftware.htmlunit.javascript.host.XMLHttpRequest.access$000(XMLHttpRequest.java:54)
 at 
com.gargoylesoftware.htmlunit.javascript.host.XMLHttpRequest$1.run(XMLHttpRequest.java:361)
 at org.mozilla.javascript.Context.call(Context.java:515)
 at org.mozilla.javascript.ContextFactory.call(ContextFactory.java:507)
 at 
com.gargoylesoftware.htmlunit.javascript.host.XMLHttpRequest$2.run(XMLHttpRequest.java:367)
 at java.lang.Thread.run(Thread.java:745)
 at 
com.gargoylesoftware.htmlunit.ThreadManager$1.run(ThreadManager.java:116)

Any idea?

Regards