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https://issues.apache.org/jira/browse/HBASE-23211?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16958473#comment-16958473
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xinxin fan commented on HBASE-23211:
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It seems the quota variable doesn't judge whether it's null.
!image-2019-10-24-10-40-45-152.png!
> Table UI showed exception message when Quota is enabled
> -------------------------------------------------------
>
> Key: HBASE-23211
> URL: https://issues.apache.org/jira/browse/HBASE-23211
> Project: HBase
> Issue Type: Bug
> Components: master
> Affects Versions: 2.2.1
> Reporter: xinxin fan
> Priority: Major
> Attachments: image-2019-10-24-10-40-45-152.png
>
>
> org.apache.hadoop.hbase.generated.master.table_jsp._jspService(table_jsp.java:361)org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:111)javax.servlet.http.HttpServlet.service(HttpServlet.java:790)org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:840)org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1780)org.apache.hadoop.hbase.http.lib.StaticUserWebFilter$StaticUserFilter.doFilter(StaticUserWebFilter.java:112)org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1767)org.apache.hadoop.hbase.http.ClickjackingPreventionFilter.doFilter(ClickjackingPreventionFilter.java:48)org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1767)org.apache.hadoop.hbase.http.HttpServer$QuotingInputFilter.doFilter(HttpServer.java:1391)org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1767)org.apache.hadoop.hbase.http.NoCacheFilter.doFilter(NoCacheFilter.java:49)org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1767)org.apache.hadoop.hbase.http.NoCacheFilter.doFilter(NoCacheFilter.java:49)org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1767)org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:583)org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:513)org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)org.eclipse.jetty.server.Server.handle(Server.java:539)org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:333)org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108)org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)java.lang.Thread.run(Thread.java:748)
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