jiang he created HDFS-17946:
-------------------------------
Summary: Several HDFS client integer configs report raw
NumberFormatException for out-of-range values
Key: HDFS-17946
URL: https://issues.apache.org/jira/browse/HDFS-17946
Project: Hadoop HDFS
Issue Type: Bug
Components: hdfs-client
Reporter: jiang he
Several HDFS client integer configuration keys fail with a raw
NumberFormatException when set to an out-of-range negative value.
Instead of exposing a raw NumberFormatException, HDFS should report a clear
configuration validation error that identifies the invalid key and expected
range.
Examples
Example 1
<property>
<name>dfs.client.block.write.retries</name>
<value>-4294967296</value>
</property>
Observed:
Failed to initialize filesystem hdfs://127.0.0.1:9000:
java.lang.NumberFormatException: For input string: "-4294967296"
Example 2
<property>
<name>dfs.client.pipeline.recovery.max-retries</name>
<value>-4294967296</value>
</property>
Observed:
Failed to initialize filesystem hdfs://127.0.0.1:9000:
java.lang.NumberFormatException: For input string: "-4294967296"
Example 3
<property>
<name>dfs.client.retry.max.attempts</name>
<value>-4294967296</value>
</property>
Observed:
Failed to initialize filesystem hdfs://127.0.0.1:9000:
java.lang.NumberFormatException: For input string: "-4294967296"
Example 4
<property>
<name>dfs.client.congestion.backoff.mean.time</name>
<value>-4294967296</value>
</property>
Observed:
java.lang.NumberFormatException: For input string: "-4294967296"
Expected
HDFS should report clear configuration validation errors, for example:
Invalid value for dfs.client.block.write.retries: -4294967296.
The value must be a valid integer within range ...
rather than a raw NumberFormatException.
Control test
The following normal values pass successfully:
<property>
<name>dfs.client.block.write.retries</name>
<value>3</value>
</property>
<property>
<name>dfs.client.pipeline.recovery.max-retries</name>
<value>5</value>
</property>
<property>
<name>dfs.client.retry.max.attempts</name>
<value>10</value>
</property>
<property>
<name>dfs.client.congestion.backoff.mean.time</name>
<value>5000</value>
</property>
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