The following error is thrown when using a @Transient Map> attribute, for example.

javax.persistence.PersistenceException: java.lang.ClassCastException: sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl cannot be cast to java.lang.Class
at com.avaje.ebeaninternal.server.deploy.parse.DeployCreateProperties.createProperties(DeployCreateProperties.java:199)
at com.avaje.ebeaninternal.server.deploy.parse.DeployCreateProperties.createProperties(DeployCreateProperties.java:94)
at com.avaje.ebeaninternal.server.deploy.BeanDescriptorManager.createDeployBeanInfo(BeanDescriptorManager.java:1088)
at com.avaje.ebeaninternal.server.deploy.BeanDescriptorManager.readEntityDeploymentInitial(BeanDescriptorManager.java:598)
at com.avaje.ebeaninternal.server.deploy.BeanDescriptorManager.deploy(BeanDescriptorManager.java:274)
at com.avaje.ebeaninternal.server.core.InternalConfiguration.(InternalConfiguration.java:150)
at com.avaje.ebeaninternal.server.core.DefaultServerFactory.createServer(DefaultServerFactory.java:209)
at com.avaje.ebeaninternal.server.core.DefaultServerFactory.createServer(DefaultServerFactory.java:64)
at com.avaje.ebean.EbeanServerFactory.create(EbeanServerFactory.java:78)

Line 414 of com.avaje.ebeaninternal.server.deploy.parse.DeployCreateProperties directly casts the second type argument of the map to a class, when it is actually a ParameterTypeImpl