LockTimeoutException(message, cause, entity) - JPA LockTimeoutException's constructor

  String message,
  Throwable cause,
  Object entity

Constructs a new LockTimeoutException exception with the specified detail message, cause, and entity.
message - the detail message.
cause - the cause.
entity - the entity.
JPA 2.0

This documentation page is derived (with some adjustments) from the open source JPA 2 RI (EclipseLink)
and is available under the terms of the Eclipse Public License, v. 1.0 and Eclipse Distribution License, v. 1.0.
Object Relational Mapping (ORM) JPA 2 providers include Hibernate, EclipseLink, TopLink, OpenJPA and DataNucleus.
ObjectDB is not an ORM JPA implementation but an Object Database for Java with built in JPA 2 support.