https://community.cloudera.com/t5/Support-Questions/Error-connected-mysql-java-connector-to-mariadb/m-p/280141#M208705 <P>Solved,After Set $JAVA_HOME to OpenJDK1.8.0.222(i use open jdk)</P> Tue, 15 Oct 2019 09:42:23 GMT pramana 2019-10-15T09:42:23Z https://community.cloudera.com/t5/Support-Questions/Error-connected-mysql-java-connector-to-mariadb/m-p/280129#M208695 <P>i am trying connected mysql java connector to my mariadb using this docs&nbsp;<A href="https://docs.cloudera.com/documentation/enterprise/5-16-x/topics/prepare_cm_database.html" target="_blank" rel="noopener">https://docs.cloudera.com/documentation/enterprise/5-16-x/topics/prepare_cm_database.html</A>. I am getting this error messege</P> <P>&nbsp;</P> <P>&nbsp;</P> <P>&nbsp;</P> <LI-CODE lang="java">[root@cloudera java-1.6.0]# /usr/share/cmf/schema/scm_prepare_database.sh mysql scm scm my_password JAVA_HOME=/usr/java/jdk1.6.0_31 Verifying that we can write to /etc/cloudera-scm-server Creating SCM configuration file in /etc/cloudera-scm-server Executing: /usr/java/jdk1.6.0_31/bin/java -cp /usr/share/java/mysql-connector-java.jar:/usr/share/java/oracle-connector-java.jar:/usr/share/java/postgresql-connector-java.jar:/usr/share/cmf/schema/../lib/* com.cloudera.enterprise.dbutil.DbCommandExecutor /etc/cloudera-scm-server/db.properties com.cloudera.cmf.db. Exception in thread "main" java.lang.UnsupportedClassVersionError: org/postgresql/util/PSQLException : Unsupported major.minor version 51.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631) at java.lang.ClassLoader.defineClass(ClassLoader.java:615) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) at java.net.URLClassLoader.access$000(URLClassLoader.java:58) at java.net.URLClassLoader$1.run(URLClassLoader.java:197) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) Could not find the main class: com.cloudera.enterprise.dbutil.DbCommandExecutor. Program will exit. --&gt; Error 1, giving up (use --force if you wish to ignore the error)</LI-CODE> <P>&nbsp;</P> <P>&nbsp;</P> <P>Check java version using "java --version" on terminal</P> <P>&nbsp;</P> <P>&nbsp;</P> <LI-CODE lang="java">[root@cloudera java-1.6.0]# java -version openjdk version "1.8.0_222" OpenJDK Runtime Environment (build 1.8.0_222-b10) OpenJDK 64-Bit Server VM (build 25.222-b10, mixed mode)</LI-CODE> <P>&nbsp;</P> <P>&nbsp;</P> Tue, 15 Oct 2019 09:19:17 GMT https://community.cloudera.com/t5/Support-Questions/Error-connected-mysql-java-connector-to-mariadb/m-p/280129#M208695 pramana 2019-10-15T09:19:17Z https://community.cloudera.com/t5/Support-Questions/Error-connected-mysql-java-connector-to-mariadb/m-p/280141#M208705 <P>Solved,After Set $JAVA_HOME to OpenJDK1.8.0.222(i use open jdk)</P> Tue, 15 Oct 2019 09:42:23 GMT https://community.cloudera.com/t5/Support-Questions/Error-connected-mysql-java-connector-to-mariadb/m-p/280141#M208705 pramana 2019-10-15T09:42:23Z