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https://issues.apache.org/jira/browse/STORM-181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13854547#comment-13854547
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Derek Dagit commented on STORM-181:
-----------------------------------
https://github.com/apache/incubator-storm/pull/11
> Wrong config types submitted with topologies can bring nimbus down
> ------------------------------------------------------------------
>
> Key: STORM-181
> URL: https://issues.apache.org/jira/browse/STORM-181
> Project: Apache Storm (Incubating)
> Issue Type: Bug
> Reporter: Derek Dagit
>
> If a user submits a topology with a config that does not match its schema
> (e.g., String "2" vs Number 2), nimbus will accept the topology but can fail
> with ClassCastException when it attempts to access the config.
> The exception to this is when the config is read from a file on the client
> side. In that case the configuration is validated. But if the configuration
> is set in the code or passed on the command line with -c, it will not be
> validated.
> We should validate the configurations in nimbus when the topology is
> submitted.
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