Java EE error

gistfile1.java

An annotation processor threw an uncaught exception.
Consult the following stack trace for details.
java.lang.ClassFormatError: Absent Code attribute in method that is not native or abstract in class file javax/persistence/PersistenceException
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Class.java:2291)
at java.lang.Class.getDeclaredField(Class.java:1880)
at org.eclipse.persistence.internal.security.PrivilegedAccessHelper.findDeclaredField(PrivilegedAccessHelper.java:46)
at org.eclipse.persistence.internal.security.PrivilegedAccessHelper.getField(PrivilegedAccessHelper.java:190)
at org.eclipse.persistence.internal.helper.Helper.getField(Helper.java:928)
at org.eclipse.persistence.internal.descriptors.InstanceVariableAttributeAccessor.initializeAttributes(InstanceVariableAttributeAccessor.java:100)
at org.eclipse.persistence.mappings.DatabaseMapping.preInitialize(DatabaseMapping.java:1283)
at org.eclipse.persistence.mappings.foundation.AbstractDirectMapping.preInitialize(AbstractDirectMapping.java:949)
at org.eclipse.persistence.oxm.mappings.XMLDirectMapping.preInitialize(XMLDirectMapping.java:413)
at org.eclipse.persistence.oxm.XMLDescriptor.preInitialize(XMLDescriptor.java:463)
at org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.initializeDescriptors(DatabaseSessionImpl.java:434)
at org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.initializeDescriptors(DatabaseSessionImpl.java:407)
at org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.postConnectDatasource(DatabaseSessionImpl.java:680)
at org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.login(DatabaseSessionImpl.java:641)
at org.eclipse.persistence.oxm.XMLContext.<init>(XMLContext.java:213)
at org.eclipse.persistence.oxm.XMLContext.<init>(XMLContext.java:179)
at org.eclipse.persistence.oxm.XMLContext.<init>(XMLContext.java:169)
at org.eclipse.persistence.internal.jpa.modelgen.objects.PersistenceXMLMappings.createXMLContext(PersistenceXMLMappings.java:123)
at org.eclipse.persistence.internal.jpa.modelgen.objects.PersistenceUnitReader.initPersistenceUnits(PersistenceUnitReader.java:168)
at org.eclipse.persistence.internal.jpa.modelgen.objects.PersistenceUnitReader.<init>(PersistenceUnitReader.java:71)
at org.eclipse.persistence.internal.jpa.modelgen.CanonicalModelProcessor.process(CanonicalModelProcessor.java:376)
at com.sun.tools.javac.processing.JavacProcessingEnvironment.callProcessor(JavacProcessingEnvironment.java:625)
at com.sun.tools.javac.processing.JavacProcessingEnvironment.discoverAndRunProcs(JavacProcessingEnvironment.java:554)
at com.sun.tools.javac.processing.JavacProcessingEnvironment.doProcessing(JavacProcessingEnvironment.java:699)
at com.sun.tools.javac.main.JavaCompiler.processAnnotations(JavaCompiler.java:981)
at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:727)
at com.sun.tools.javac.main.Main.compile(Main.java:353)
at com.sun.tools.javac.main.Main.compile(Main.java:279)
at com.sun.tools.javac.main.Main.compile(Main.java:270)
at com.sun.tools.javac.Main.compile(Main.java:69)
at com.sun.tools.javac.Main.main(Main.java:54)