During secure deployment, you might get a generic error message as shown below:
Caused by: java.io.IoException: javax.security.SaslException:GSS Initiate failed (Caused by GSSException: Failed to find any Kerberos tgt)
Solution:
- If your SE Linux is incorrectly configured, you will see the following error message in the - jsvc.errfile:- 17/01/2012 18:49:39 19465 jsvc.exec error: Cannot dynamically link to /usr/hadoop-jdk1.6.0_26/jre/lib/i386/server/libjvm.so 17/01/2012 18:49:39 19465 jsvc.exec error: /usr/hadoop jdk1.6.0_26/jre/lib/i386/server/libjvm.so: cannot restore segment prot after reloc: Permission denied 17/01/2012 18:49:39 19426 jsvc.exec error: Service exit with a return value of 1 
- Execute following command as root user for that DataNode: - ssh $DataNode su - sed -i 's|SELINUX=enforcing|SELINUX=disabled|g' /etc/selinux/config/usr/sbin/setenforce 0 
- Restart the installation process. 


