HOW TO CREATE A POM

===============================PomS Start================================
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.myproject.web</groupId>
<artifactId>myproject-web</artifactId>
<packaging>war</packaging>
<version>1.0</version>
<name>myproject Maven Webapp</name>
<url>http://maven.apache.org</url>
<properties>
<java-version>1.7</java-version>
<org.springframework-version>3.2.6.RELEASE</org.springframework-version>
<spring.security.version>4.0.3.RELEASE</spring.security.version>
<junit-version>4.8</junit-version>
<org.aspectj-version>1.7.4</org.aspectj-version>
<org.slf4j-version>1.7.12</org.slf4j-version>
<jackson.databind-version>2.2.3</jackson.databind-version>
<catalina.home>D:/Servers/apache-tomcat-7.0.62</catalina.home>
</properties>
<dependencies>


<!-- Shiro -->
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-web</artifactId>
<version>1.2.3</version>
</dependency>
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-spring</artifactId>
<version>1.2.3</version>
</dependency>


<dependency>
<groupId>net.sf.json-lib</groupId>
<artifactId>json-lib</artifactId>
<version>2.4</version>
</dependency>

<dependency>
<groupId>org.json</groupId>
<artifactId>json</artifactId>
<version>20151123</version>
</dependency>
<dependency>
<groupId>javax.annotation</groupId>
<artifactId>jsr250-api</artifactId>
<version>1.0</version>
</dependency>



<!-- Spring MVC -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${org.springframework-version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${org.springframework-version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${org.springframework-version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${org.springframework-version}</version>
</dependency>

<!-- Spring AOP -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>${org.springframework-version}</version>
</dependency>

<!-- Spring security -->
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-core</artifactId>
<version>${spring.security.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-web</artifactId>
<version>${spring.security.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-config</artifactId>
<version>${spring.security.version}</version>
</dependency>

<!-- AspectJ -->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>${org.aspectj-version}</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjtools</artifactId>
<version>${org.aspectj-version}</version>
</dependency>

<!-- Logging -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.15</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${org.slf4j-version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>${org.slf4j-version}</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>${org.slf4j-version}</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
<exclusions>
<exclusion>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
</exclusion>
<exclusion>
<groupId>javax.jms</groupId>
<artifactId>jms</artifactId>
</exclusion>
<exclusion>
<groupId>com.sun.jdmk</groupId>
<artifactId>jmxtools</artifactId>
</exclusion>
<exclusion>
<groupId>com.sun.jmx</groupId>
<artifactId>jmxri</artifactId>
</exclusion>
</exclusions>
</dependency>

<!-- @Inject -->
<dependency>
<groupId>javax.inject</groupId>
<artifactId>javax.inject</artifactId>
<version>1</version>
</dependency>

<!-- Servlet -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.0.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.2</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>

<!-- Test -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit-version}</version>
</dependency>

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${org.springframework-version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.webjars</groupId>
<artifactId>bootstrap-datepicker</artifactId>
<version>1.3.0</version>
</dependency>
<dependency>
<groupId>org.webjars</groupId>
<artifactId>angular-ui</artifactId>
<version>0.4.0-3</version>
</dependency>
<dependency>
<groupId>org.webjars</groupId>
<artifactId>angularjs</artifactId>
<version>1.2.20</version>
</dependency>


<!-- Hybernate -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>3.6.10.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate.javax.persistence</groupId>
<artifactId>hibernate-jpa-2.0-api</artifactId>
<version>1.0.0.Final</version>
</dependency>

<!-- Validation -->
<dependency>
<groupId>javax.validation</groupId>
<artifactId>validation-api</artifactId>
<version>1.1.0.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>5.1.3.Final</version>
</dependency>
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<version>2.2.4</version>
</dependency>
<dependency>
<groupId>org.glassfish.web</groupId>
<artifactId>javax.el</artifactId>
<version>2.2.4</version>
</dependency>

<!-- hsql -->
<dependency>
<groupId>org.hsqldb</groupId>
<artifactId>hsqldb</artifactId>
<version>2.3.2</version>
</dependency>
<!-- mysql -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.35</version>
</dependency>

<!-- File Upload -->

<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3</version>
</dependency>
<!-- <dependency>
      <groupId>commons-fileupload</groupId>
      <artifactId>commons-fileupload</artifactId>
      <version>1.2.1</version>
</dependency> -->
<dependency>
      <groupId>commons-io</groupId>
      <artifactId>commons-io</artifactId>
      <version>1.3</version>
</dependency>


<!-- Common -->

<dependency>
<groupId>commons-dbcp</groupId>
<artifactId>commons-dbcp</artifactId>
<version>1.4</version>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.0.3</version>
</dependency>
<dependency>
<groupId>net.sf.ezmorph</groupId>
<artifactId>ezmorph</artifactId>
<version>1.0.6</version>
</dependency>
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-core-asl</artifactId>
<version>1.9.9</version>
</dependency>
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-xc</artifactId>
<version>1.9.9</version>
</dependency>

<dependency>
<groupId>cglib</groupId>
<artifactId>cglib</artifactId>
<version>2.2</version>
</dependency>
<dependency>
<groupId>javassist</groupId>
<artifactId>javassist</artifactId>
<version>3.9.0.GA</version>
</dependency>
<dependency>
<groupId>javax.transaction</groupId>
<artifactId>jta</artifactId>
<version>1.1</version>
</dependency>
<dependency>
<groupId>org.eclipse.persistence</groupId>
<artifactId>eclipselink</artifactId>
<version>2.5.2-M1</version>
</dependency>
<dependency>
<groupId>commons-lang</groupId>
<artifactId>commons-lang</artifactId>
<version>2.3</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-exec</artifactId>
<version>1.3</version>
</dependency>



</dependencies>

<build>

<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<executions>
<execution>
<phase>test</phase>
<configuration>
<source>1.7</source>
<target>1.7</target>
<executable>${env.JAVA_HOME}/bin/javac</executable>
</configuration>
</execution>
</executions>
</plugin>
</plugins>

</build>
</project>

===============================PomS END================================

Fail maven.plugin

Failed to execute goal org.apache.maven.plugins:maven-war-plugin:2.1.1:war (default-war) on project 

in pom.xml-->build -->plugins-->add plugin

<build>
<finalName>${project.artifactId}</finalName>

<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<configuration>
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
</plugin>

<plugin>

Spring load .property file and get

test.property [src/main/resource]
------------
#main
kk=directory/kk
main.wide=this/wide

----------spring

import java.io.InputStream;
import java.util.Properties;

import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;


@Component
@Scope("singleton")
public class PropertiesUtil {
private InputStream input;
private Properties properties ;


public PropertiesUtil() throws Exception{
properties=new Properties();
input = getClass().getClassLoader().getResourceAsStream(
"test.properties");
properties.load(input);
}
public String getProperty(String key){

return properties.getProperty(key);

};

}

HQL One to many join query

Enity Relation

 class Player {
      List<Item> inventory;
   }

   class Item {
      List<Enchantment> enchantments;
   }

   class Enchantment {
      boolean isSuperiorEnchantment;
   }

Select Query

select p
from Player as p
  left join p.inventory as i
  left join i.enchantments as e
where e.isSuperiorEnchantment = 1

MAVEN

•  Prepare Eclipse 

 project folder -->mvn eclipse:eclipse

• Normal Clean 

 project folder -->mvn clean;

• Normal Build

 project folder -->mvn install;

• Normal Clean and Build

 project folder -->mvn clean install;

SQL TABLE -MAPPING- FOREIGN KEY RELATION

CREATION & DROP

//Table-----------------Application---------
DROP TABLE IF EXISTS `myschema`.`application`;
CREATE TABLE  `myschema`.`application` (
 `APPLICATION_ID` int(11) unsigned NOT NULL AUTO_INCREMENT,
 `APPLICATION_NAME` varchar(255) NOT NULL,
 `CREATED_AT` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  UNIQUE KEY `APPLICATION_NAME` (`APPLICATION_NAME`),
  PRIMARY KEY (`APPLICATION_ID`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;


//Table-----------------service-------------
DROP TABLE IF EXISTS `myschema`.`service`;
CREATE TABLE  `myschema`.`service` (
 `SERVICE_ID` int(11) unsigned NOT NULL AUTO_INCREMENT,
 `SERVICE_NAME` varchar(255) NOT NULL,
 `CREATED_AT` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  UNIQUE KEY `SERVICE_NAME` (`SERVICE_NAME`),
  PRIMARY KEY (`SERVICE_ID`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;



//--Mapping Table------------App and Serv---

DROP TABLE IF EXISTS `myschema`.`service`;
CREATE TABLE `myschema`.`app_serv` (
  APPLICATION_ID int(11) unsigned NOT NULL,
  SERVICE_ID int(11) unsigned NOT NULL,
  SERV_ORDER int(11) DEFAULT NULL,
  PRIMARY KEY (APPLICATION_ID,SERVICE_ID),
  KEY FK_APP_ID (APPLICATION_ID),
  KEY FK_SER_ID (SERVICE_ID),
  CONSTRAINT FK_APP_ID FOREIGN KEY (APPLICATION_ID) REFERENCES application (APPLICATION_ID),
  CONSTRAINT FK_SER_ID FOREIGN KEY (SERVICE_ID) REFERENCES service (SERVICE_ID)

) ENGINE=InnoDB DEFAULT CHARSET=utf8;

INSERT & SELECT

//---insert---
INSERT INTO myschema.application(APPLICATION_NAME) VALUES ("my application");
INSERT INTO myschema.service(SERVICE_NAME) VALUES ("my service");

INSERT INTO myschema.app_serv(APPLICATION_ID,SERVICE_ID,SERV_ORDER) VALUES (1,1,1);

//---select----

SELECT * FROM myschema.application a;
SELECT * FROM myschema.service s;


SELECT * FROM myschema.app_serv ts;