# Compatability issues running Pentaho on Java 11 with your Hadoop cluster Pentaho running on Java 11 is compatible with Java 11 on your Hadoop clusters. If you only have Java 8 on your Hadoop clusters, some components may not be compatible when running Pentaho on Java 11. The following sections indicate which components are compatible with Pentaho running on Java 11 when using Java 8 on your Hadoop clusters. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.pentaho.com/install/9.3-install/components-reference/pentaho-java-11-and-hadoop-cluster-compatibility-components-reference-cp.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.