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I am trying to setup a new Netbeans project with JPA. The Java SDK version is 1.5.0_22-b03 and J2EE version is J2EE 1.4.I am using TOPLINK Essentials for JPA.
Going by javadoc javax.transaction.UserTransaction interface comes with J2EE 1.4.
Then why it’s not able to find javax.transaction.UserTransaction?
The JPA 1.0 specification is meant to cater to Java EE 5 containers and not J2EE 1.4 containers (unless the same also support EJB 3.0 like the erstwhile OC4J containers from Oracle). Likewise JPA 2.0 caters to Java EE 6 containers.
I would suggest using Netbeans with Java EE 5 or Java EE 6, instead of heading for a wild goose chase on getting your JPA 1.0/2.0 provider to work amicably with a J2EE 1.4 container. This isn’t merely about placing some JARs in your compile time classpath; your runtime classpath will require classes that are available only in a Java EE 5/6 container.