/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
 
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String fullStack = 
		"  at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:140)\n" +
"	at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:128)\n" +
"	at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)\n" +
"	at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:52)\n" +
"	at org.hibernate.jdbc.JDBCContext.afterNontransactionalQuery(JDBCContext.java:296)\n" +
"	at org.hibernate.impl.SessionImpl.afterOperation(SessionImpl.java:595)\n" +
"	at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1724)\n" +
"	at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:347)\n" +
"	at org.hibernate.impl.CriteriaImpl.uniqueResult(CriteriaImpl.java:369)\n" +
"   at ixl.auth.db.AuthTokenController.findAuthTokenByKey(AuthTokenController.java:61)\n" +
"   at ixl.auth.struts.AuthInterceptor.intercept(AuthInterceptor.java:71)\n" +
"	... 53 more\n" +
"Caused by: java.sql.SQLException: Failed to check out database session -- ixl.conf.pool.ObjectPoolException: Requester is blacklisted: ip=169.244.71.193 browser=169.244.71.193.1389976355654343 uri=/actions/api/v1/search/\n" +
"   at ixl.sql.ManagedSqlConnection.getInternalConnection(ManagedSqlConnection.java:452)\n" +
"   at ixl.sql.ManagedSqlConnection.isClosed(ManagedSqlConnection.java:127)\n" +
"	at org.hibernate.jdbc.ConnectionManager.isAutoCommit(ConnectionManager.java:212)\n" +
"	at org.hibernate.jdbc.JDBCContext.afterNontransactionalQuery(JDBCContext.java:287)\n" +
"	... 59 more\n";
 
  	System.out.println("Original string:\n" + fullStack);
	final String ipPattern = "=[[0-9]+\\.]+";
	final String ipReplace = "=xxx";
	Pattern compiledIpPattern = Pattern.compile(ipPattern);
	for (String line : fullStack.split("\n"))
	{
	  Matcher ipMatcher = compiledIpPattern.matcher(line);
	  if (ipMatcher.find()) {
	    line = ipMatcher.replaceAll(ipReplace);
	  }
	  System.out.println(line);
	}
  }
}

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