Language Server Protocol Extensions

The JDT Language Server implements the following extensions that are not part of the standard LSP

Table 1. Extension to Language Server protocol

Method	Kind	Notes
language/status	Notification to client	Sends a status to the client to be presented to users
java/classFileContents	Request to server	Retrieves the contents of a .class file.
language/actionableNotification	Notification to client	Ask the client to display a particular message in the user interface, and possible commands to execute. The commands must be implemented on the client side.
java/projectConfigurationUpdate	Request to server	updates the Java configuration, refreshing settings from build artifacts