Home Forums Hortonworks Sandbox Installing Storm on the sandbox

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    Aysan Rasooli
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    I am installing Storm on Hortonworks sandbox, I followed the instructions you send in this link: http://hortonworks.com/kb/storm-on-yarn-install-on-hdp2-beta-cluster/. But, I could not launch storm due to the following exception:

    *******************************************************
    [root@sandbox conf]# storm-yarn launch /usr/storm-work/storm-0.9.0-wip21/conf/storm.yaml
    SLF4J: Class path contains multiple SLF4J bindings.
    SLF4J: Found binding in [jar:file:/usr/lib/hadoop/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
    SLF4J: Found binding in [jar:file:/usr/storm-work/storm-0.9.0-wip21/lib/logback-classic-1.0.6.jar!/org/slf4j/impl/StaticLoggerBin der.class]
    SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
    SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
    Exception in thread “main” java.lang.UnsupportedClassVersionError: backtype/storm/utils/Utils : Unsupported major.minor version 5 1.0
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
    at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
    at com.yahoo.storm.yarn.Config.readStormConfig(Config.java:48)
    at com.yahoo.storm.yarn.LaunchCommand.process(LaunchCommand.java:59)
    at com.yahoo.storm.yarn.Client.execute(Client.java:142)
    at com.yahoo.storm.yarn.Client.main(Client.java:148)
    *****************************************************

    I would appreciate your help on troubleshooting this error. Also, if you think I should follow a different instructions for installing Storm on the sandbox please let me know.

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