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Comment: Parasoft Jtest 2022.2

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Failing to correctly handle all failure cases when working with closeable resources may result in some resources not being closed or in important exceptions being masked, possibly resulting in a denial of service. Note that failure to use a try-with-resources statement cannot be considered a security vulnerability in and of itself because it is possible to write a correctly structured group of nested try-catch-finally blocks guarding the resources that are in use (see ERR05-J. Do not let checked exceptions escape from a finally block). That said, failure to correctly handle such error cases is a common source of vulnerabilities. Use of a try-with-resources statement mitigates this issue by guaranteeing that the resources are managed correctly and that exceptions are never masked.

Automated Detection

ToolVersionCheckerDescription
Parasoft Jtest
Include Page
Parasoft_V
Parasoft_V
CERT.ERR54.CLFINAvoid using finally block for closing resource only
SonarQube
Include Page
SonarQube_V
SonarQube_V
S2093
 

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