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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-13306) NullPoint when launch org.apache.hadoop.fs.http.server.HttpFSServerWebServer
Date Mon, 09 Jul 2018 00:34:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-13306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16536464#comment-16536464
] 

Kihwal Lee commented on HDFS-13306:
-----------------------------------

{{HttpFSServerWebApp}} implements {{ServerWebApp}}, which blows up with an {{IllegalArgumentException}}
if "NAME.home.dir" is not set.  When it is initialized through jersey, it must be swallowing
the runtime exception, causing no instance to be created. 

> NullPoint when launch org.apache.hadoop.fs.http.server.HttpFSServerWebServer
> ----------------------------------------------------------------------------
>
>                 Key: HDFS-13306
>                 URL: https://issues.apache.org/jira/browse/HDFS-13306
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: fs
>            Reporter: lqjacklee
>            Priority: Critical
>
> org.apache.hadoop.fs.http.server.HttpFSServerWebServer
> objc[98322]: Class JavaLaunchHelper is implemented in both /Library/Java/JavaVirtualMachines/jdk1.8.0_66.jdk/Contents/Home/bin/java
(0x10a41b4c0) and /Library/Java/JavaVirtualMachines/jdk1.8.0_66.jdk/Contents/Home/jre/lib/libinstrument.dylib
(0x10a49f4e0). One of the two will be used. Which one is undefined.
> log4j:WARN No appenders could be found for logger (org.apache.hadoop.util.Shell).
> log4j:WARN Please initialize the log4j system properly.
> log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
> Mar 18, 2018 8:41:42 PM com.sun.jersey.api.core.PackagesResourceConfig init
> 信息: Scanning for root resource and provider classes in the packages:
>   org.apache.hadoop.fs.http.server
>   org.apache.hadoop.lib.wsrs
> Mar 18, 2018 8:41:42 PM com.sun.jersey.api.core.ScanningResourceConfig logClasses
> 信息: Root resource classes found:
>   class org.apache.hadoop.fs.http.server.HttpFSServer
> Mar 18, 2018 8:41:42 PM com.sun.jersey.api.core.ScanningResourceConfig logClasses
> 信息: Provider classes found:
>   class org.apache.hadoop.fs.http.server.HttpFSExceptionProvider
>   class org.apache.hadoop.lib.wsrs.JSONMapProvider
>   class org.apache.hadoop.lib.wsrs.JSONProvider
>   class org.apache.hadoop.fs.http.server.HttpFSParametersProvider
> Mar 18, 2018 8:41:42 PM com.sun.jersey.server.impl.application.WebApplicationImpl _initiate
> 信息: Initiating Jersey application, version 'Jersey: 1.19 02/11/2015 03:25 AM'
> Exception in thread "main" java.io.IOException: Unable to initialize WebAppContext
> 	at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:1149)
> 	at org.apache.hadoop.fs.http.server.HttpFSServerWebServer.start(HttpFSServerWebServer.java:132)
> 	at org.apache.hadoop.fs.http.server.HttpFSServerWebServer.main(HttpFSServerWebServer.java:165)
> Caused by: java.lang.NullPointerException
> 	at org.apache.hadoop.fs.http.server.HttpFSAuthenticationFilter.getConfiguration(HttpFSAuthenticationFilter.java:66)
> 	at org.apache.hadoop.security.authentication.server.AuthenticationFilter.init(AuthenticationFilter.java:160)
> 	at org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticationFilter.init(DelegationTokenAuthenticationFilter.java:180)
> 	at org.eclipse.jetty.servlet.FilterHolder.initialize(FilterHolder.java:139)
> 	at org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:873)
> 	at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:349)
> 	at org.eclipse.jetty.webapp.WebAppContext.startWebapp(WebAppContext.java:1406)
> 	at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1368)
> 	at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:778)
> 	at org.eclipse.jetty.servlet.ServletContextHandler.doStart(ServletContextHandler.java:262)
> 	at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:522)
> 	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
> 	at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:131)
> 	at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:113)
> 	at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61)
> 	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
> 	at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:131)
> 	at org.eclipse.jetty.server.Server.start(Server.java:422)
> 	at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:105)
> 	at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61)
> 	at org.eclipse.jetty.server.Server.doStart(Server.java:389)
> 	at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
> 	at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:1127)
> 	... 2 more



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