我的环境:
Flink on Native K8s Application mode,并且用S3协议来做HA部署, 部署后,作业正常工作,可Flink UI 无法正常打开 
作业的拓扑图,页面会提示内部错误


jobmanager会提示很多 类似的异常:
2022-02-28 08:46:21,171 ERROR 
org.apache.flink.runtime.rest.handler.job.JobExceptionsHandler [] - Unhandled 
exception.
java.util.concurrent.CancellationException: null
       at 
java.util.concurrent.CompletableFuture.cancel(CompletableFuture.java:2276) 
~[?:1.8.0_312]
       at 
org.apache.flink.runtime.rest.handler.legacy.DefaultExecutionGraphCache.getExecutionGraphInternal(DefaultExecutionGraphCache.java:98)
 ~[flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.runtime.rest.handler.legacy.DefaultExecutionGraphCache.getExecutionGraphInfo(DefaultExecutionGraphCache.java:67)
 ~[flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.runtime.rest.handler.job.AbstractExecutionGraphHandler.handleRequest(AbstractExecutionGraphHandler.java:81)
 ~[flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.runtime.rest.handler.AbstractRestHandler.respondToRequest(AbstractRestHandler.java:83)
 ~[flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.runtime.rest.handler.AbstractHandler.respondAsLeader(AbstractHandler.java:195)
 ~[flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.runtime.rest.handler.LeaderRetrievalHandler.lambda$channelRead0$0(LeaderRetrievalHandler.java:83)
 ~[flink-dist_2.11-1.14.2.jar:1.14.2]
       at java.util.Optional.ifPresent(Optional.java:159) [?:1.8.0_312]
       at 
org.apache.flink.util.OptionalConsumer.ifPresent(OptionalConsumer.java:45) 
[flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.runtime.rest.handler.LeaderRetrievalHandler.channelRead0(LeaderRetrievalHandler.java:80)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.runtime.rest.handler.LeaderRetrievalHandler.channelRead0(LeaderRetrievalHandler.java:49)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.runtime.rest.handler.router.RouterHandler.routed(RouterHandler.java:115)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.runtime.rest.handler.router.RouterHandler.channelRead0(RouterHandler.java:94)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.runtime.rest.handler.router.RouterHandler.channelRead0(RouterHandler.java:55)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.runtime.rest.FileUploadHandler.channelRead0(FileUploadHandler.java:238)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.runtime.rest.FileUploadHandler.channelRead0(FileUploadHandler.java:71)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelRead(CombinedChannelDuplexHandler.java:436)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:324)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:296)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.channel.CombinedChannelDuplexHandler.channelRead(CombinedChannelDuplexHandler.java:251)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
 [flink-dist_2.11-1.14.2.jar:1.14.2]
       at 
org.apache.flink.shaded.netty4.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
 [flink-dist_2.11-1.14.2.jar:1.14.2]


有人知道这是咋回事么 ? 


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