yuruguo opened a new pull request #12483:
URL: https://github.com/apache/pulsar/pull/12483


   ### Motivation
   We should check the validity of the `--compatibility` and give a more 
friendly prompt message when set schema compatibility strategy for namespace 
through `./bin/pulsar-admin namespaces set-schema-compatibility-strategy`.
   Currently, the lack of verification for `--compatibility` will directly 
display the exception, as below:
   ```
   ./bin/pulsar-admin namespaces set-schema-compatibility-strategy -c 
ALWAYS_COMPATIBE tenant1/ns1
   java.lang.IllegalArgumentException: No enum constant 
org.apache.pulsar.common.policies.data.SchemaCompatibilityStrategy.ALWAYS_COMPATIBE
        at java.lang.Enum.valueOf(Enum.java:238)
        at 
org.apache.pulsar.common.policies.data.SchemaCompatibilityStrategy.valueOf(SchemaCompatibilityStrategy.java:24)
        at 
org.apache.pulsar.admin.cli.CmdNamespaces$SetSchemaCompatibilityStrategy.run(CmdNamespaces.java:1833)
        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:329)
   ```
   
   ### Modifications
   - Throw `ParameterException` when `IllegalArgumentException` occurs when 
executing `SchemaCompatibilityStrategy.valueOf()`
   
   ### Documentation
   Automatically generate doc through code
   - [x] `doc`
   


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