What are best steps to migrate from Oracle Java to OpenJDK for Spectrum OneClick?

Products

• DX NetOps

Issue/Introduction

What are best steps to migrate from Oracle Java to OpenJDK for Spectrum OneClick?

 

Environment

Release : 22.2.x

Resolution

1. Remove Oracle Java8 via add remove programs.

2. Install Linked IcedTeaWebStart and OpenJDK in Spectrum console.

3. Download new JNLP within OneClick (Start Console)

4. Open JNLP > Open With and browse to Program Files > IcedTeaWeb > Bin > javasw.exe

You can verify via task manager that IcedTea Webstart (javaws.exe) and Eclipse Adoptium (java.exe) are being used:

Using the versions of IcedTea Webstart and OpenJDK packaged with the version of Spectrum you are running should offer the most optimized experience.

 

 

Additional Information

• If you are required to keep OracleJRE installed on the system in parallel to OpenJDK make sure IceTeaWeb Start is pathed to invoke OpenJDK or you may experience unpredictable results.