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https://issues.apache.org/jira/browse/FLINK-32976?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martijn Visser closed FLINK-32976.
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Resolution: Cannot Reproduce
[~hackergin] Please provide info on what you've tried and how to reproduce this
issue: there's currently not enough information to determine what's the issue
> NullpointException when starting flink cluster
> ----------------------------------------------
>
> Key: FLINK-32976
> URL: https://issues.apache.org/jira/browse/FLINK-32976
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Configuration
> Affects Versions: 1.17.1
> Reporter: Feng Jin
> Priority: Major
>
> The error message as follows:
>
>
> {code:java}
> //代码占位符
> Caused by: java.ang.NullPointerExceptionat org.apache.flink. runtime.
> security.token.hadoop.HadoopFSDelegationTokenProvider.getFileSystemsToAccess(HadoopFSDelegationTokenProvider.java:173)~[flink-dist-1.17.1.jar:1.17.1]at
>
> org.apache.flink.runtime.security.token.hadoop.HadoopFSDelegationTokenProvidertionTokens$1(HadoopFSDelegationTokenProvider.java:113)
> ~[flink-dist-1.17.1.jar:1.17.1at
> java.security.AccessController.doprivileged(Native Method)~[?:1.8.0 281]at
> javax.security.auth.Subject.doAs(Subject.java:422)~[?:1.8.0 281]at org.
> apache.hadoop . security.UserGroupInformation.doAs(UserGroupInformation.
> java:1876)
> ~flink-shacd-hadoop-3-uber-3.1.1.7.2.1.0-327-9.0.jar:3.1.1.7.2.1.0-327-9.0]at
> org. apache.flink. runtime.security.token .hadoop
> .HadoopFSDelegationTokenProvider.obtainDelegationTcens(HadoopFSDelegationTokenProvider.java:108)~flink-dist-1.17.1.jar:1.17.1]at
> org.apache.flink. runtime. security.token.DefaultDelegationTokenManager .
> lambda$obtainDelSAndGetNextRenewal$1(DefaultDelegationTokenManager
> .java:264)~ flink-dist-1.17.1.jar:1.17.1]at
> java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
> ~?:1.8.0 281at
> java.util.HashMap$ValueSpliterator.forEachRemaining(HashMap.java:1628)~[?:1.8.0
> 281]at
> java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)~?:1.8.0
> 281]at
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
> ~?:1.8.0 281at
> java,util.stream.Reduce0ps$Reduce0p.evaluateSequential(Reduce0ps.java:708)~?:1.8.0
> 281]at
> java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)~[?:1.8.0
> 281]at java.util.stream.ReferencePipeline.reduce(ReferencePipeline.java:479)
> ~?:1.8.0 281at
> java.util.stream.ReferencePipeline.min(ReferencePipeline.java:520)~?:1.8.0
> 281at org. apache. flink. runtime.
> security.token.DefaultDelegationTokenManager
> .obtainDelegationTokensAndGeNextRenewal(DefaultDelegationTokenManager
> .java:286)~[flink-dist-1.17.1.jar:1.17.1at org.apache. flink.runtime.
> security.token.DefaultDelegationTokenManager.
> obtainDelegationTokens(DefaltDelegationTokenManager.java:242)~[flink-dist-1.17.1.jar:1.17.1]at
> org.apache.flink.runtime.entrypoint.ClusterEntrypoint.initializes@)
> ~[flink-dist-1.17.1.jar:1.17.1]at
> org.apache.flink.runtime.entrypoint.clusterEntrypoint.nk-dist-1.17.1.jar:1.17.1]at
> org.apache.flink.runtime.entrypoint.ClusterEntrypoint:232)
> ~[flink-dist-1.17.1.jar:1.17.1]at
> java.security.AccessController.doPrivileged(Native Method) ~[?:1.8. 281]at
> javax.security.auth.Subject.doAs(Subject.java:422)~?:1.8.0 281]at org.
> apache.hadoop . security.UserGroupInformation. doAs (UserGroupInformation.
> java:1876)~[flink-shadd-hadoop-3-uber-3.1.1.7.2.1.0-327-9.0.jar:3.1.1.7.2.1.0-327-9.0]at
> org.apache.flink.runtime.security. contexts
> .HadoopSecurityContext.runSecured(HadoopSecurijava:41)
> ~[flink-dist-1.17.1.jar:1.17.1at org. apache.flink. runtime. entrypoint.
> ClusterEntrypoint . startCluster(clusterEntrypoint.
> java:229)link-dist-1.17.1.jar:1.17.1]...2 more{code}
>
>
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