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https://issues.apache.org/jira/browse/CASSANDRA-15113?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jon Meredith updated CASSANDRA-15113:
-------------------------------------
Resolution: Not A Bug
Status: Resolved (was: Triage Needed)
Although the exception generation/handling code could be improved, it is
functionally correct.
> StorageService.decommission() throws RuntimeException when interrupted, which
> results in dead code in Decommission.execute()
> ----------------------------------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-15113
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15113
> Project: Cassandra
> Issue Type: Bug
> Reporter: eBugs
> Priority: Normal
>
> Dear Cassandra developers, we are developing a tool to detect
> exception-related bugs in Java. Our prototype has spotted the following
> {{throw}} statement whose exception class and error message indicate
> different error conditions.
>
> Version: Cassandra-3.11 (commit: 123113f7b887370a248669ee0db6fdf13df0146e)
> File: CASSANDRA-ROOT/src/java/org/apache/cassandra/service/StorageService.java
> Line: 4008
> {code:java}
> try
> {
> ...
> Thread.sleep(timeout);
> ...
> unbootstrap(finishLeaving);
> }
> catch (InterruptedException e)
> {
> throw new RuntimeException("Node interrupted while decommissioning");
> }
> {code}
>
> {{RuntimeException}} is usually used to represent errors in the program logic
> (think of one of its subclasses, {{NullPointerException}}), while the error
> message indicates that an interrupt has occurred. This mismatch be a problem.
> For example, the callers may miss the possibility that
> {{StorageService.decommission()}} can be interrupted because it does not
> throw any {{InterruptedException}}. Or, the callers trying to handle other
> {{RuntimeException}} may accidentally (and incorrectly) handle the interrupt.
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