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Posted to issues@hbase.apache.org by "Wellington Chevreuil (JIRA)" <ji...@apache.org> on 2019/08/15 08:28:00 UTC
[jira] [Commented] (HBASE-22860) Master's webui returns NPE/HTTP
500 under maintenance mode
[ https://issues.apache.org/jira/browse/HBASE-22860?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16907932#comment-16907932 ]
Wellington Chevreuil commented on HBASE-22860:
----------------------------------------------
LGTM. Is this affecting all versions > 2.10 [~daisuke.kobayashi]?
> Master's webui returns NPE/HTTP 500 under maintenance mode
> ----------------------------------------------------------
>
> Key: HBASE-22860
> URL: https://issues.apache.org/jira/browse/HBASE-22860
> Project: HBase
> Issue Type: Bug
> Components: master, UI
> Reporter: Daisuke Kobayashi
> Assignee: Daisuke Kobayashi
> Priority: Major
> Attachments: HBASE-22860.master.001.patch, Screen Shot 2019-08-15 at 4.15.51 PM.png
>
>
> Master's webui is not accessible when {{hbase.master.maintenance_mode}} is set to true. This is because it's trying to load a coprocessor {{RSGroupAdminEndpoint}}.
> {code}
> java.lang.NullPointerException
> at org.apache.hadoop.hbase.tmpl.master.MasterStatusTmplImpl.renderNoFlush(MasterStatusTmplImpl.java:326)
> at org.apache.hadoop.hbase.tmpl.master.MasterStatusTmpl.renderNoFlush(MasterStatusTmpl.java:397)
> at org.apache.hadoop.hbase.tmpl.master.MasterStatusTmpl.render(MasterStatusTmpl.java:388)
> at org.apache.hadoop.hbase.master.MasterStatusServlet.doGet(MasterStatusServlet.java:81)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
> at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:848)
> at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1780)
> at org.apache.hadoop.hbase.http.lib.StaticUserWebFilter$StaticUserFilter.doFilter(StaticUserWebFilter.java:112)
> at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1767)
> at org.apache.hadoop.hbase.http.ClickjackingPreventionFilter.doFilter(ClickjackingPreventionFilter.java:48)
> at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1767)
> at org.apache.hadoop.hbase.http.HttpServer$QuotingInputFilter.doFilter(HttpServer.java:1374)
> at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1767)
> at org.apache.hadoop.hbase.http.NoCacheFilter.doFilter(NoCacheFilter.java:49)
> at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1767)
> at org.apache.hadoop.hbase.http.NoCacheFilter.doFilter(NoCacheFilter.java:49)
> at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1767)
> at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:583)
> at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
> at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
> at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
> at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
> at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:513)
> at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
> at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
> at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
> at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)
> at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
> at org.eclipse.jetty.server.Server.handle(Server.java:539)
> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:333)
> at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
> at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)
> at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108)
> at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
> at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
> at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
> at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
> at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
> at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
> at java.lang.Thread.run(Thread.java:748)
> {code}
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