yuruguo opened a new pull request #13002:
URL: https://github.com/apache/pulsar/pull/13002
### Motivation
We should check the parameters releted to `size` and throw
`ParameterException` when there is an exception, which can avoid displaying
stack information on the client.
Currently, the lack of verification about `size` will directly display the
exception, as below:
```
bin/pulsar-admin topics set-backlog-quota --limit 70z --policy
producer_exception public/default/test
java.lang.NumberFormatException: For input string: "70z"
at
java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.lang.Long.parseLong(Long.java:589)
at java.lang.Long.parseLong(Long.java:631)
at
org.apache.pulsar.admin.cli.CliCommand.validateSizeString(CliCommand.java:102)
at
org.apache.pulsar.admin.cli.CmdTopics$SetBacklogQuota.run(CmdTopics.java:1148)
at org.apache.pulsar.admin.cli.CmdBase.run(CmdBase.java:86)
at
org.apache.pulsar.admin.cli.PulsarAdminTool.run(PulsarAdminTool.java:282)
at
org.apache.pulsar.admin.cli.PulsarAdminTool.main(PulsarAdminTool.java:330)
```
### Documentation
- [x] `no-need-doc`
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