java.io.IOException: Unable to initialize WebAppContext

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via Apache's JIRA Issue Tracker by Stephen Chu, 11 months ago
Unable to initialize WebAppContext
via Stack Overflow by Dereje Tekilu
, 2 years ago
javax.servlet.ServletException: Principal not defined in configuration
at org.apache.hadoop.security.authentication.server.KerberosAuthenticationHandler.init(KerberosAuthenticationHandler.java:146)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:713)
at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1282)
at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:518)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152)
at org.mortbay.jetty.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:156)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.apache.hadoop.hdfs.server.namenode.NameNodeHttpServer.start(NameNodeHttpServer.java:152)
at org.apache.hadoop.hdfs.server.namenode.NameNode.startHttpServer(NameNode.java:548)
at org.apache.hadoop.hdfs.server.namenode.NameNode.startCommonServices(NameNode.java:481)
at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:444)
at org.apache.hadoop.hdfs.server.namenode.NameNode.(NameNode.java:609)
at org.apache.hadoop.hdfs.server.namenode.NameNode.(NameNode.java:590)
at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1137)

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