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我有一个群集与1主和1从属。我的集群工作正常，突然我开始下面的错误由于其我的资源管理器界面未加载了：资源管理器用户界面投掷500内部服务器错误
HTTP ERROR 500
Problem accessing /cluster. Reason:
INTERNAL_SERVER_ERROR
Caused by:
java.lang.NullPointerException
at org.apache.http.client.utils.URLEncodedUtils.parse(URLEncodedUtils.java:235)
at org.apache.hadoop.security.token.delegation.web.ServletUtils.getParameter(ServletUtils.java:48)
at org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticationHandler.managementOperation(DelegationTokenAuthenticationHandler.java:170)
at org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:502)
at org.apache.hadoop.yarn.server.security.http.RMAuthenticationFilter.doFilter(RMAuthenticationFilter.java:84)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
at org.apache.hadoop.http.HttpServer2$QuotingInputFilter.doFilter(HttpServer2.java:1224)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
at org.apache.hadoop.http.NoCacheFilter.doFilter(NoCacheFilter.java:45)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
at org.apache.hadoop.http.NoCacheFilter.doFilter(NoCacheFilter.java:45)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
，如果我尝试检查运行的后台程序，我可以看到，RM守护进程正在运行的每个：
[[email protected] hadoop]$ jps
22263 Jps
21549 NameNode
21888 ResourceManager
21733 SecondaryNameNode
我也有我的RM日志中的以下错误日志，但这些错误不会弹出太频繁。我不确定这些问题是否相关。想到分享在这里，因为这可能是人谁可以看看这个问题有所帮助：因为我一直坚持了下来
Hadoop 2.6.0
Subversion https://git-wip-us.apache.org/repos/asf/hadoop.git -r e3496499ecb8d220fba99dc5ed4c99c8f9e33bb1
Compiled by jenkins on 2014-11-13T21:10Z
Compiled with protoc 2.5.0
请帮助：
2016-07-05 17:41:49,878 ERROR org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: RECEIVED SIGNAL 15: SIGTERM
2016-07-05 17:41:49,884 ERROR org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager : ExpiredTokenRemover received java.lang.InterruptedException: sleep interrupted
我使用下面的Hadoop版本很长一段时间，并没有得到谷歌的帮助。
任何帮助非常感谢！