UnsupportedClassVersionError means you have an old JDK. Use a more recent one.
Markus 2015-05-06 12:59 GMT+02:00 Mayur Champaneria <ma...@matchmytalent.com>: > Hello, > > When I starting solr-5.1.0 in Ubuntu 12.04 by, > > */bin/var/www/solr-5.0.0/bin ./solr start* > > > Solr is being started and shows as below, > > *Started Solr server on port 8983 (pid=14457). Happy searching!* > > > When I starting Solr on http://localhost:8983/solr/ its not starting. > Then I have checking the status by > > */bin/var/www/solr-5.0.0/bin ./solr status* > > > then at the end I have got an error as below, > > > *Exception in thread "main" java.lang.UnsupportedClassVersionError: > org/apache/solr/util/SolrCLI : Unsupported major.minor version 51.0 > at java.lang.ClassLoader.defineClass1(Native Method) > at java.lang.ClassLoader.defineClass(ClassLoader.java:643) > at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) > at java.net.URLClassLoader.defineClass(URLClassLoader.java:277) > at java.net.URLClassLoader.access$000(URLClassLoader.java:73) > at java.net.URLClassLoader$1.run(URLClassLoader.java:212) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:205) > at java.lang.ClassLoader.loadClass(ClassLoader.java:323) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294) > at java.lang.ClassLoader.loadClass(ClassLoader.java:268) > > Could not find the main class: org.apache.solr.util.SolrCLI. Program will > exit. > > please visit http://localhost:8983/solr* > > > Same thing is repeating when starting solr on SolrCloud > > Please help me in this. > > > -- > *Thanks & **Regards,* > > > *Mayur Champaneria* > > *PHP Developer ( MMT )* > *Vertex Softwares* >
