Error: The Language Support for Java server crashed 5 times in the last 3 minutes. The server will not be restarted.

This extension cannot start successfully and popup this error message. I found some logs in the output, hope it can help:
[Info - 11:24:22 AM] Connection to server got closed. Server will restart.
[Info - 11:24:23 AM] Connection to server got closed. Server will restart.
[Warn - 11:24:24 AM] Dec 6, 2016 11:24:24 AM The workspace exited with unsaved changes in the previous session; refreshing workspace to recover changes.
[Info - 11:24:25 AM] Connection to server got closed. Server will restart.
[Warn - 11:24:26 AM] Dec 6, 2016 11:24:26 AM The workspace exited with unsaved changes in the previous session; refreshing workspace to recover changes.
[Info - 11:24:26 AM] Connection to server got closed. Server will restart.
[Warn - 11:24:27 AM] Dec 6, 2016 11:24:27 AM The workspace exited with unsaved changes in the previous session; refreshing workspace to recover changes.
[Error - 11:24:27 AM] Connection to server got closed. Server will not be restarted.

Environment

• Operating System: Windows 7 Enterprise
• JDK version: 1.8.0_40 (Setting JAVA_HOME environment variable only)
• Visual Studio Code version: 1.7.2
• Java extension version: 0.0.7

Steps To Reproduce

1. Download and install vscode 1.7.2
2. Search and install this extension: Language Support for Java(TM) by Red Hat
3. Open a .java file to start this extension
4. (Optional) Check the popup message and output logs

Additional Informations

I installed the same-version vscode and extension to another machine whose system is Windows 10, and the extension can work as expected.

Start by reproducing the crash using the listed VS Code 1.7.2, Java extension 0.0.7, JDK 1.8.0_40, and Windows 7 steps, then inspect the language-server output for the repeated connection closures and workspace recovery warnings. Done means the Java extension starts successfully and no longer reaches the five-crash shutdown state.