Therefore, to guarantee a consistent serialVersionUID value across different java compiler implementations, a serializable class must declare an explicit serialVersionUID value. However, it is strongly recommended that all serializable classes explicitly declare serialVersionUID values, since the default serialVersionUID computation is highly sensitive to class details that may vary depending on compiler implementations, and can thus result in unexpected InvalidClassExceptions during deserialization. If a serializable class does not explicitly declare a serialVersionUID, then the serialization runtime will calculate a default serialVersionUID value for that class based on various aspects of the class, as described in the Java(TM) Object Serialization Specification. A serializable class can declare its own serialVersionUID explicitly by declaring a field named serialVersionUID that must be static, final, and of type long: ANY-ACCESS-MODIFIER static final long serialVersionUID = 42L If the receiver has loaded a class for the object that has a different serialVersionUID than that of the corresponding sender's class, then deserialization will result in an The serialization runtime associates with each serializable class a version number, called a serialVersionUID, which is used during deserialization to verify that the sender and receiver of a serialized object have loaded classes for that object that are compatible with respect to serialization. The docs for java.io.Serializable are probably about as good an explanation as you'll get: Therefore, lombok also has to hook into the Eclipse compilation process, and therefore, Eclipse needs that lombok plugin.Īlso note that Lombok annotation should never be present in the compiled class file, because the Lombok annotation processor removes them when generating the replacement code. If the installation was not successful, you should try installing lombok to a clean Eclipse installation (even before adding any projects).Įxplanation: Eclipse uses its own compiler (different from javac, which maven uses). If that is not the case, the lombok plugin is not installed correctly. It must contain some text like " Lombok v1.18.3 "Edgy Guinea Pig" is installed.". Installation instructions for Eclipse can be found here.Ĭheck the "About Eclipse" dialog after the installation and an Eclipse restart. Otherwise strange compilation issues may occur, like code for some annotations not getting generated in Eclipse but in maven, or vice versa. (Note that this is something different from lombok being present in the project dependencies you need both.) Furthermore, the version installed in Eclipse should be the same version that you have in your pom.xml. You also must have the lombok plugin installed in Eclipse. I know Eclipse is correctly configured because I haven't any warning associated to Lombok on my code, the outline view of eclipse show me generated methods.ĭoes anyone have a idea about this kind of problem? Consequently the ear deployed by Eclipse work fine BUT all the entity haven't any getter / setter and so on. – When the project is built by Eclipse, the Lombok annotations etc) aren't included into the *.class. – When I make an ear using Maven (mvn clean install), everything is going well, the project deploy and work perfectly fine. Here is my problem, after including Lombok : By the way I used Lombok on an another project before and is worked fine. So I decide to add Lombok, to reduce the boiler code and improve the readability of the code. I use JDK-7, Eclipse-Neon and Maven to code, build and the project is deployed into a JBossEAP 6.4 server.Įvery thing is working well, the services are responding correctly. It is an Spring CRUD RestFul API that expose services witch are providing Json datas.
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