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http://issues.apache.org/jira/browse/HADOOP-309?page=comments#action_12416831 ]
Konstantin Shvachko commented on HADOOP-309:
--------------------------------------------
Even if I get through this I get yet another NullPointerException.
Now because webapps resource is not defined.
Exception in thread "main" java.lang.NullPointerException
at
org.apache.hadoop.mapred.StatusHttpServer.getWebAppsPath(StatusHttpServer.java:108)
at
org.apache.hadoop.mapred.StatusHttpServer.<init>(StatusHttpServer.java:71)
at org.apache.hadoop.dfs.FSNamesystem.<init>(FSNamesystem.java:172)
at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:97)
at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:88)
at org.apache.hadoop.dfs.NameNode.main(NameNode.java:496)
> NullPointerException in StatusHttpServer
> ----------------------------------------
>
> Key: HADOOP-309
> URL: http://issues.apache.org/jira/browse/HADOOP-309
> Project: Hadoop
> Type: Bug
> Components: dfs, mapred
> Versions: 0.3.2
> Reporter: Konstantin Shvachko
>
> The NullPointerException happens in the constructor of StatusHttpServer
> because the System property "hadoop.log.dir" is undefined.
> I see it trying to start the Namenode directly without using any scripts.
> Exception in thread "main" java.lang.NullPointerException
> at org.mortbay.util.Resource.newResource(Resource.java:99)
> at
> org.mortbay.http.ResourceCache.setResourceBase(ResourceCache.java:140)
> at org.mortbay.http.HttpContext.setResourceBase(HttpContext.java:2207)
> at
> org.apache.hadoop.mapred.StatusHttpServer.<init>(StatusHttpServer.java:66)
> at org.apache.hadoop.dfs.FSNamesystem.<init>(FSNamesystem.java:172)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:97)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:88)
> at org.apache.hadoop.dfs.NameNode.main(NameNode.java:496)
> In general I think the sources should not rely on the system properties and
> environment variables defined in hadoop scripts.
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