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https://issues.apache.org/jira/browse/FLINK-22701?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17351063#comment-17351063
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Yun Tang commented on FLINK-22701:
----------------------------------
Thanks for reporting and I have verified that it is a real bug as
apache-commons-cli treat option#opt as the unique option identifier. However,
savepoint-disopose and detach-running both have {{-d}} as the option#opt, which
leads to CliFrontend parse the command-line using detach-running option instead
of savepoint-dispose, and you could walk around it by using option#longOpt in
which {{--dispose}} is not the same as {{--detached}}.
> "bin/flink savepoint -d :savepointpath" cannot locate savepointpath arg
> -----------------------------------------------------------------------
>
> Key: FLINK-22701
> URL: https://issues.apache.org/jira/browse/FLINK-22701
> Project: Flink
> Issue Type: Bug
> Components: Command Line Client
> Affects Versions: 1.12.2
> Environment: Kubernetes standalone cluster
> Reporter: Jinliang Guo
> Priority: Major
>
> Hi there,
>
> When I use "bin/flink savepoint -d :savepointpath" to dispose a savepoint,
> got following exceptions:
> The program finished with the following
> exception:java.lang.NullPointerException: Missing required argument:
> savepoint path. Usage: bin/flink savepoint -d <savepoint-path>
> at
> org.apache.flink.util.Preconditions.checkNotNull(Preconditions.java:76)
> at
> org.apache.flink.client.cli.CliFrontend.disposeSavepoint(CliFrontend.java:785)
> at
> org.apache.flink.client.cli.CliFrontend.lambda$savepoint$8(CliFrontend.java:723)
> at
> org.apache.flink.client.cli.CliFrontend.runClusterAction(CliFrontend.java:1002)
> at
> org.apache.flink.client.cli.CliFrontend.savepoint(CliFrontend.java:719)
> at
> org.apache.flink.client.cli.CliFrontend.parseAndRun(CliFrontend.java:1072)
> at
> org.apache.flink.client.cli.CliFrontend.lambda$main$10(CliFrontend.java:1132)
> at java.base/java.security.AccessController.doPrivileged(Native Method)
> at java.base/javax.security.auth.Subject.doAs(Subject.java:423)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1807)
> at
> org.apache.flink.runtime.security.contexts.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41)
> at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1132)
> However, if I use "bin/flink savepoint -dispose :savepointpath", it works
> good.
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