File list (Check if you may need any files):
JPACompositePK\.classpath
..............\.project
..............\.settings\org.eclipse.jdt.core.prefs
..............\bin\com\zm\entity\AirLine.class
..............\...\...\..\......\AirLinePK.class
..............\...\...\..\test\CompositePKTest.class
..............\...\META-INF\persistence.xml
..............\lib\antlr-2.7.6.jar
..............\...\commons-collections.jar
..............\...\commons-logging.jar
..............\...\commons-pool.jar
..............\...\db2java.jar
..............\...\db2jcc.jar
..............\...\db2jcc_license_cu.jar
..............\...\dom4j-1.6.1.jar
..............\...\hibernate-annotations.jar
..............\...\hibernate-commons-annotations.jar
..............\...\hibernate-entitymanager.jar
..............\...\hibernate3.jar
..............\...\javassist-3.4.GA.jar
..............\...\jstl.jar
..............\...\jta.jar
..............\...\log4j-1.2.15.jar
..............\...\persistence.jar
..............\...\slf4j-api-1.5.0.jar
..............\...\slf4j-log4j12-1.5.0.jar
..............\...\standard.jar
..............\src\com\zm\entity\AirLine.java
..............\...\...\..\......\AirLinePK.java
..............\...\...\..\test\CompositePKTest.java
..............\...\META-INF\persistence.xml
..............\bin\com\zm\entity
..............\...\...\..\test
..............\src\com\zm\entity
..............\...\...\..\test
..............\bin\com\zm
..............\src\com\zm
..............\bin\com
..............\...\META-INF
..............\src\com
..............\...\META-INF
..............\.settings
..............\bin
..............\lib
..............\src
JPACompositePK