CDAP 6.0.0 has several incompatible changes. Due to this, CDAP 6.0.0 does not support upgrade or migration from CDAP 5.x to 6.0.0. Below is the list of incompatibilities:

• CDAP Applications and Custom Plugins:

  • In CDAP 6.0.0, cdap packages have been renamed from co.cask.cdap to io.cdap.cdap. Before you can use CDAP applications and custom plugins in CDAP 6.0.0, you need to update and recompile them.

  • In CDAP 6.0.0, support for CDAP Flows and Streams have been removed. As an alternate, CDAP applications can rely on Spark Streaming.

• CDAP Pipelines:

  • All pipelines from existing CDAP clusters must be exported and re-imported into CDAP 6.0.0 clusters.

• CDAP Operational Metadata:

  • All the operational metadata such as logs, metrics, lineage collected by CDAP 5.x cluster, will not be migrated to CDAP 6.0.0.

• CDAP Datasets:

  • Dataset migration from CDAP 5.x to CDAP 6.0.0 is not supported.

• Reusing Existing Hadoop Cluster:

  • Upgrading an existing CDAP cluster is not supported in CDAP 6.0.0.

  • We recommend you install a CDAP 6.0.0 cluster on a new Hadoop cluster. However, if you decide to use an existing Hadoop cluster, avoid possible conflicts by using a different root namespace for the CDAP 6.0.0 installation. To change the root namespace, use the cdap-site property root.namespace. For the value of this property, use any name except for cdap.

Please reach out to cdap-user@googlegroups.com for discussions about any issues related to CDAP 6.0.0 installation.