Looks like CLASSPATH env variable is ignored on this Linux distribution side. 
You should refer to basic documentation from Oracle (JRE/JDK owner) or use 
ignite.sh script in the following way:

add MAIN_CLASS env variable referring to Demo class (export 
MAIN_CLASS=org.apache.ignite.schema.Demo)
add ignite-examples jar into {apache}/libs folder
execute ignite.sh script. Refer to the source of ignite.sh for more details on 
how the classpath is prepared and MAIN_CLASS is used

—
Denis

> On Sep 12, 2016, at 4:11 PM, Abhishek Jain <[email protected]> 
> wrote:
> 
> Thanks Denis for your quick response. Our requirement is to make it work in 
> the linux command line. The method mentioned in the Automatic Persistence 
> page, is to import the pom.xml from the IDE and execute the Demo.java. With 
> Eclipse in Windows is working. To take it to the next step I am trying to 
> build and execute from the linux, where the jar file is creating but NOT able 
> to execute the Demo application.
> 
> I hope you sugested to add the <ignite_home>/libs folder as the class path, 
> that I had already included (as part of the environment variable CLASSPATH) 
> and checked which is giving the "no main menifest attribute" error, please 
> see my previous post for the console output. 
>>> 
>>> [root@dbtestvm1 target]# echo $CLASSPATH
>>> /root/ignite/apache-ignite-fabric-1.6.0-bin/libs:/usr/java/default/jre/lib/
>>> [root@dbtestvm1 target]# 
>>> [root@dbtestvm1 target]# java -jar ignite-examples-1.6.0.jar 
>>> org.apache.ignite.schema.Demo
>>> no main manifest attribute, in ignite-examples-1.6.0.jar
> 
> 
> Please correct me if I misunderstood your suggestion.
> 
> Regards
> Abhishek
> 
> 
> 
> On Mon, Sep 12, 2016 at 5:02 PM, Denis Magda <[email protected] 
> <mailto:[email protected]>> wrote:
> Alternatively, you can follow this guide [1] that relies on 
> ignite-schema-import.sh script that does all the work for you.
> 
> [1] https://apacheignite.readme.io/docs/automatic-persistence#demo 
> <https://apacheignite.readme.io/docs/automatic-persistence#demo>
> 
> —
> Denis
> 
>> On Sep 12, 2016, at 2:58 PM, Denis Magda <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>> Hi,
>> 
>> You need to add all the libs that are located in “apache-version/libs” 
>> folder to your classpath.
>> 
>> —
>> Denis
>> 
>>> On Sep 12, 2016, at 2:46 PM, Abhishek Jain <[email protected] 
>>> <mailto:[email protected]>> wrote:
>>> 
>>> Hi,
>>> 
>>> Not able to execute the Demo example given in the Automatic Persistence 
>>> from the command line in linux. Below is the console output, please let me 
>>> know if I am missing out anything. I tried couple of ways below with NO 
>>> success
>>> 
>>> ===========================================================
>>> 
>>> [root@dbtestvm1 target]# java -classpath ignite-examples-1.6.0.jar 
>>> org.apache.ignite.schema.Demo
>>> Error: A JNI error has occurred, please check your installation and try 
>>> again
>>> Exception in thread "main" java.lang.NoClassDefFoundError: 
>>> javax/cache/configuration/Factory
>>>     at java.lang.Class.getDeclaredMethods0(Native Method)
>>>     at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
>>>     at java.lang.Class.privateGetMethodRecursive(Class.java:3048)
>>>     at java.lang.Class.getMethod0(Class.java:3018)
>>>     at java.lang.Class.getMethod(Class.java:1784)
>>>     at 
>>> sun.launcher.LauncherHelper.validateMainClass(LauncherHelper.java:544)
>>>     at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:526)
>>> Caused by: java.lang.ClassNotFoundException: 
>>> javax.cache.configuration.Factory
>>>     at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
>>>     at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
>>>     at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
>>>     at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
>>>     ... 7 more
>>> [root@dbtestvm1 target]# 
>>> [root@dbtestvm1 target]# 
>>> [root@dbtestvm1 target]# 
>>> [root@dbtestvm1 target]# 
>>> [root@dbtestvm1 target]# echo $CLASSPATH
>>> /root/ignite/apache-ignite-fabric-1.6.0-bin/libs:/usr/java/default/jre/lib/
>>> [root@dbtestvm1 target]# 
>>> [root@dbtestvm1 target]# java -jar ignite-examples-1.6.0.jar 
>>> org.apache.ignite.schema.Demo
>>> no main manifest attribute, in ignite-examples-1.6.0.jar
>>> [root@dbtestvm1 target]# 
>>> [root@dbtestvm1 target]#
>>> 
>>> ==========================================================
>>> 
>>> Regards
>>> Abhishek
>> 
> 
> 

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