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https://issues.apache.org/jira/browse/KNOX-244?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13892310#comment-13892310
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Kevin Minder commented on KNOX-244:
-----------------------------------

Take a look at...

gateway-util-launcher/src/main/java/org/apache/hadoop/gateway/launcher/Command.java
method loadClassPath

gateway-util-launcher/src/main/java/org/apache/hadoop/gateway/launcher/Invoker.java
method createClassLoader

If I had to guess I would blame 
            urls.add( file.toURI().toURL() );
in Command.loadClassPath


> Knox run from the directory with spaces in Windows OS
> -----------------------------------------------------
>
>                 Key: KNOX-244
>                 URL: https://issues.apache.org/jira/browse/KNOX-244
>             Project: Apache Knox
>          Issue Type: Bug
>    Affects Versions: 0.3.0
>            Reporter: Yura Tolochkevich
>            Assignee: Yura Tolochkevich
>             Fix For: 0.4.0
>
>
> When path to Knox directory contains space (for example "c:\program 
> files\knox")  and when  try to run  java -jar bin/gateway.jar then get the 
> exception:
> Exception in thread "main" java.lang.ClassNotFoundException: 
> org.apache.hadoop.gateway.GatewayServer
>         at java.net.URLClassLoader$1.run(Unknown Source)
>         at java.net.URLClassLoader$1.run(Unknown Source)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at java.net.URLClassLoader.findClass(Unknown Source)
>         at java.lang.ClassLoader.loadClass(Unknown Source)
>         at java.lang.ClassLoader.loadClass(Unknown Source)
>         at 
> org.apache.hadoop.gateway.launcher.Invoker.loadMainClass(Invoker.java:53)
>         at org.apache.hadoop.gateway.launcher.Invoker.invoke(Invoker.java:35)
>         at org.apache.hadoop.gateway.launcher.Command.run(Command.java:101)
>         at org.apache.hadoop.gateway.launcher.Launcher.run(Launcher.java:70)
>         at org.apache.hadoop.gateway.launcher.Launcher.main(Launcher.java:49)



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