Colleagues,
Any one who has been running into this. Backing out a working ES V1.5 and installing a fresh V1.7 I get the following error message when attemping to start
[root@sidr35dgapan001 ~]# /etc/init.d/elasticsearch start
Starting elasticsearch: [ OK ]
[root@sidr35dgapan001 ~]# Exception in thread "main" java.lang.UnsupportedClassVersionError: JVMCFRE003 bad major version; class=org/elasticsearch/bootstrap/Elasticsearch, offset=6
at java.lang.ClassLoader.defineClassImpl(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:274)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:74)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:540)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:451)
at java.net.URLClassLoader.access$300(URLClassLoader.java:79)
at java.net.URLClassLoader$ClassFinder.run(URLClassLoader.java:1038)
at java.security.AccessController.doPrivileged(AccessController.java:373)
at java.net.URLClassLoader.findClass(URLClassLoader.java:429)
at java.lang.ClassLoader.loadClassHelper(ClassLoader.java:702)
at java.lang.ClassLoader.loadClass(ClassLoader.java:681)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:358)
at java.lang.ClassLoader.loadClass(ClassLoader.java:664)
Could not find the main class: org.elasticsearch.bootstrap.Elasticsearch. Program will exit.