Chapter 4. Known Issues for CodeReady Workspaces on IBM Z and IBM Power Systems

4.1. IBM Z [Technology Preview]

Support for deploying CodeReady Workspaces on OpenShift Container Platform on IBM Z is currently only available as a Technology Preview feature. Technology Preview features are not supported with Red Hat production service level agreements (SLAs) and might not be functionally complete. Red Hat does not recommend using them in production. These features provide early access to upcoming product features, enabling customers to test functionality and provide feedback during the development process. For details about the level of support for Technology Preview features, see Technology Preview Features Support Scope.

4.1.1. Installations in restricted environments are not supported on IBM Z

Advanced features like, for example, restricted environment installation, while possible, are unsupported.

4.1.2. Unsupported devfiles on IBM Z

  • EAP for OpenJDK 8
  • .Net
  • Fuse

4.1.3. Debugging cannot be activated in Go workspaces

Debugging feature cannot be activated in Go workspace in CodeReady Workspaces 2.6. An attempt to activate this feature results in the Failed to continue error message.

4.2. IBM Power Systems [Technology Preview]

Support for deploying CodeReady Workspaces on OpenShift Container Platform on IBM Power Systems is currently only available as a Technology Preview feature. Technology Preview features are not supported with Red Hat production service level agreements (SLAs) and might not be functionally complete. Red Hat does not recommend using them in production. These features provide early access to upcoming product features, enabling customers to test functionality and provide feedback during the development process. For details about the level of support for Technology Preview features, see Technology Preview Features Support Scope.

4.2.1. Unsupported devfiles on IBM Power Systems

  • EAP for OpenJDK 8
  • .Net
  • Fuse

4.2.2. Debugging cannot be activated in Go workspaces

Debugging feature cannot be activated in Go workspace in CodeReady Workspaces 2.6. An attempt to activate this feature results in the Failed to continue error message.

4.2.3. Che-Theia is going in CrashLoopBackOff state when creating a workspace on IBM Power Systems

To work around this issue:

  • Refresh the browser.

    or

  • Add more memory for the plug-ins:

    1. Go to the CodeReady Workspaces installation namespace.
    2. Get inside the plugin-registry Pod.

    3. Modify the memoryLimit value to 2Gi inside the plugin-registry pod: 

      $ oc rsh <plugin-registry-pod-name>
      $ vi v3/plugins/eclipse/che-theia/next/meta.yaml
  • CRW-1475