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https://issues.apache.org/jira/browse/HDFS-155?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Harsh J resolved HDFS-155.
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Resolution: Cannot Reproduce
This does not seem to happen with recent releases over Windows.
> StatusHttpServer is failing if trying to use hadoop as a standalone jar
> -----------------------------------------------------------------------
>
> Key: HDFS-155
> URL: https://issues.apache.org/jira/browse/HDFS-155
> Project: Hadoop HDFS
> Issue Type: Bug
> Environment: WinXP
> Reporter: Paul Malolepsy
> Assignee: Sameer Paranjpye
> Priority: Minor
>
> I just recently tried to upgrade from hadoop .2 and I am getting an error
> during the startup of StatusHttpServer. I did set my hadoop.log.dir, but
> there are still errros. Here is my stack below.
> java.io.FileNotFoundException:
> E:\projects\marzen\file:\E:\projects\marzen\web\WEB-INF\lib\hadoop.jar!\webapps\datanode
> at
> org.mortbay.jetty.servlet.WebApplicationContext.resolveWebApp(WebApplicationContext.java:266)
> at
> org.mortbay.jetty.servlet.WebApplicationContext.doStart(WebApplicationContext.java:449)
> at org.mortbay.util.Container.start(Container.java:72)
> at org.mortbay.http.HttpServer.doStart(HttpServer.java:753)
> at org.mortbay.util.Container.start(Container.java:72)
> at
> org.apache.hadoop.mapred.StatusHttpServer.start(StatusHttpServer.java:177)
> at org.apache.hadoop.dfs.DataNode.<init>(DataNode.java:167)
> at org.apache.hadoop.dfs.DataNode.makeInstance(DataNode.java:1069)
> at org.apache.hadoop.dfs.DataNode.run(DataNode.java:1003)
> ...rest of stack removed...
> The root of the issues seems to be in StatusHttpServer.getWebAppsPath(). Its
> possible that I am using hadoop differently than most people (as a standalone
> jar in another web app), but I'm not sure how this function could ever work
> if you were just using hadoop packaged as a standalone jar. Its trying to
> get the webapps path using this line:
> URL url = StatusHttpServer.class.getClassLoader().getResource("webapps");
> Which is returning the following path. This is a path within the hadoop jar:
> file:\E:\projects\marzen\web\WEB-INF\lib\hadoop.jar!\webapps
> It then tries to return the canonical path of that wich returns this path:
> E:\projects\marzen\file:\E:\projects\marzen\web\WEB-INF\lib\hadoop.jar!\webapps
> I don't even think that is a valid path, and the Jetty server certainly
> doesn't like it. Is there something I'm doing wrong? Is it possible nobody
> else is using hadoop as a standalone jar? Is this a windows specific bug?
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