gaoran10 opened a new pull request #10811:
URL: https://github.com/apache/pulsar/pull/10811
### Motivation
Currently, the AutoConsumeSchema decode messages which has a null schema
version will cause the NPE problem.
```
java.lang.NullPointerException: null
at
java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:936)
~[?:1.8.0_181]
at
java.util.concurrent.ConcurrentHashMap.containsKey(ConcurrentHashMap.java:964)
~[?:1.8.0_181]
at
org.apache.pulsar.client.impl.schema.AutoConsumeSchema.ensureSchemaInitialized(AutoConsumeSchema.java:73)
~[io.streamnative-pulsar-client-original-2.8.0-rc-202105291235.jar:2.8.0-rc-202105291235]
at
org.apache.pulsar.client.impl.schema.AutoConsumeSchema.decode(AutoConsumeSchema.java:110)
~[io.streamnative-pulsar-client-original-2.8.0-rc-202105291235.jar:2.8.0-rc-202105291235]
at
org.apache.pulsar.client.impl.schema.AutoConsumeSchema.decode(AutoConsumeSchema.java:45)
~[io.streamnative-pulsar-client-original-2.8.0-rc-202105291235.jar:2.8.0-rc-202105291235]
at org.apache.pulsar.client.api.Schema.decode(Schema.java:107)
~[io.streamnative-pulsar-client-api-2.8.0-rc-202105291235.jar:2.8.0-rc-202105291235]
at
org.apache.pulsar.client.impl.MessageImpl.decode(MessageImpl.java:469)
~[io.streamnative-pulsar-client-original-2.8.0-rc-202105291235.jar:2.8.0-rc-202105291235]
at
org.apache.pulsar.client.impl.MessageImpl.getValue(MessageImpl.java:449)
~[io.streamnative-pulsar-client-original-2.8.0-rc-202105291235.jar:2.8.0-rc-202105291235]
at
org.apache.pulsar.functions.source.PulsarRecord.getValue(PulsarRecord.java:81)
~[io.streamnative-pulsar-functions-instance-2.8.0-rc-202105291235.jar:2.8.0-rc-202105291235]
at
org.apache.pulsar.functions.instance.JavaInstanceRunnable.readInput(JavaInstanceRunnable.java:386)
~[io.streamnative-pulsar-functions-instance-2.8.0-rc-202105291235.jar:2.8.0-rc-202105291235]
at
org.apache.pulsar.functions.instance.JavaInstanceRunnable.run(JavaInstanceRunnable.java:248)
~[io.streamnative-pulsar-functions-instance-2.8.0-rc-202105291235.jar:2.8.0-rc-202105291235]
at java.lang.Thread.run(Thread.java:748) ~[?:1.8.0_181]
```
### Modifications
Check the schema version, if the schema version is null, fallback uses the
BYTES schema to decode.
### Verifying this change
Test decode message data which has a null schema version.
### Does this pull request potentially affect one of the following parts:
*If `yes` was chosen, please highlight the changes*
- Dependencies (does it add or upgrade a dependency): (no)
- The public API: (no)
- The schema: (no)
- The default values of configurations: (no)
- The wire protocol: (no)
- The rest endpoints: (no)
- The admin cli options: (no)
- Anything that affects deployment: (no)
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