leommoore

#Kafka - Messaging Basics This assumes you are starting fresh and have no existing Kafka or ZooKeeper data. See http://kafka.apache.org/documentation.html#quickstart for more details.

##Install Java

sudo apt-get install python-software-properties
sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java8-installer

cworks

/**
 * Convert the ResultSet to a List of Maps, where each Map represents a row with columnNames and columValues
 * @param rs
 * @return
 * @throws SQLException
 */
private List<Map<String, Object>> resultSetToList(ResultSet rs) throws SQLException {
    ResultSetMetaData md = rs.getMetaData();
    int columns = md.getColumnCount();
    List<Map<String, Object>> rows = new ArrayList<Map<String, Object>>();