sbuljat

com.mchange.v2.log.MLog 'com.mchange.v2.log.log4j.Log4jMLog' could not be loaded!
java.lang.ClassNotFoundException: org.apache.log4j.Logger
	at java.net.URLClassLoader$1.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Unknown Source)
	at com.mchange.v2.log.log4j.Log4jMLog.<init>(Log4jMLog.java:52)

sbuljat

Install Redis 4.0.2 on AWS EC2

sudo yum update -y
sudo yum install docker -y
sudo service docker start
sudo docker run -p 6379:6379 -d --restart always redis:4.0.2

sbuljat

Prepare AWS

• Create "default-cassandra" security group with following Inbound rules:
  • 22/TCP to 0.0.0.0 or private ip
  • 7000/TCP to {public IPs of all nodes in cluster}
  • 7001/TCP to {public IPs of all nodes in cluster}
  • 7199/TCP to {public IPs of all nodes in cluster}
  • 9160/TCP to default-cassandra
  • 9042/TCP to 0.0.0.0
• Create instance with security group "default-cassandra"

sbuljat

Prepare AWS

• Create "default-elasticsearch" security group with following Inbound rules:
  • 22/TCP to 0.0.0.0 or private ip
  • 9200/TCP to {public IPs of all nodes in cluster}
  • 9300/TCP to {public IPs of all nodes in cluster}
• Create instance with security group "default-elasticsearch"

Install ElasticSearch 2.4.4 on Amazon Linux

sbuljat

object Iso7064Util {

  object Mod_11_10 {
    def calculateControlChar(input: String): String = {
      var rest = 10
      input.map(_.asDigit).foreach { num =>
        val sum = num + rest
        val subtotal = if (sum % 10 == 0) 10 else sum % 10
        rest = (subtotal * 2) % 11
        //println(s"digit=$num\tsum=$sum\tsubtotal=$subtotal\trest=$rest")