Upgrade JDK1.7 to JDK1.8 in Cloudera CDH

Environment: Cloudera CDH 5.12 on RHEL Requirements Install one of the CDH and Cloudera Manager Supported JDK Versions. Install the same version of the Oracle JDK on each host. Install the JDK in /usr/java/jdk-version for OracleJDK or /usr/lib/jvm/jdk-version for openjdk All nodes must run the same JDK version. Cloudera only supports 64bit JDK from Oracle or OpenJDK on CDH … Continue reading Upgrade JDK1.7 to JDK1.8 in Cloudera CDH