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From awhosit <>
Subject Re: Solr fails to start with log file not found error
Date Fri, 23 Oct 2015 04:49:59 GMT
Hi, I'm newbie on solr, but have same issue.

More precisely, only one machine can't start solr with the message, "cannot
open {solr.log} file for reading: No such file or directory." Obviously
there is no file and even I created empty one, it doesn't help.

I've tried also - moving around the directory here and there, changing
owner/group like root/myself/solr:solr, use or just
unzip, etc, but this machine doesn't allow to start.

Not working one is solr 5.2.1/SLES 12. 
But I have working one with solr 5.2.1/SLES 11 and solr 5.2.1/Ubuntu 14.

>From the log left in sol-8983-console.log is as follow.
I'm using OpenJDK 1.7 as follow.

java version "1.7.0_85"
OpenJDK Runtime Environment (IcedTea 2.6.1) (suse-18.2-x86_64)
OpenJDK 64-Bit Server VM (build 24.85-b03, mixed mode)

Exception in thread "main" java.lang.UnsupportedClassVersionError:
org/eclipse/jetty/start/Main : Unsupported major.minor version 51.0
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClassCond(Unknown Source)
	at java.lang.ClassLoader.defineClass(Unknown Source)
	at Source)
	at Source)
	at$000(Unknown Source)
	at$ Source)
	at Method)
	at Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
Could not find the main class: org.eclipse.jetty.start.Main. Program will

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