[jira] [Created] (MCHECKSTYLE-348) Checkstyle plugin fails on Unicode Escapes

["Leon Koch (JIRA)" <ji...@apache.org>]

Leon Koch created MCHECKSTYLE-348:
-------------------------------------

             Summary: Checkstyle plugin fails on Unicode Escapes
                 Key: MCHECKSTYLE-348
                 URL: https://issues.apache.org/jira/browse/MCHECKSTYLE-348
             Project: Maven Checkstyle Plugin
          Issue Type: Bug
          Components: checkstyle:checkstyle
    Affects Versions: 3.0.0, 2.17
            Reporter: Leon Koch


Checkstyle plugin fails to correctly handle Unicode Escapes [https://docs.oracle.com/javase/specs/jls/se8/html/jls-3.html#jls-3.3] ).

This issue was introduced in 2.17. It does not occur with earlier versions of maven-checkstyle-plugin.

For this code:

{{public class Test {}}
{{    private String things;}}
{{    private String \u06c5;}}
{{}}}

The following occurs with checkstyle:checkstyle :

{{[ERROR] Failed to execute goal org.apache.maven.plugins:maven-checkstyle-plugin:2.17:checkstyle (default-cli) on project checkstyle-bug: An error has occurred in Checkstyle report generation.: Failed during checkstyle configuration: TokenStreamRecognitionException occurred during the analysis of file C:\TEMP\checkstyle-bug\src\main\java\Test.java. unexpected char: '\' -> [Help 1]}}

Similarly for 3.0.0, we get the same error:

{{[ERROR] Failed to execute goal org.apache.maven.plugins:maven-checkstyle-plugin:3.0.0:checkstyle (default-cli) on project checkstyle-bug: An error has occurred in Checkstyle report generation.: Failed during checkstyle configuration: Exception was thrown while processing C:\TEMP\checkstyle-bug\src\main\java\Test.java: TokenStreamRecognitionException occurred during the analysis of file C:\TEMP\checkstyle-bug\src\main\java\Test.java. unexpected char: '\' -> [Help 1]}}

For 2.16 and earlier, checkstyle:checkstyle completes without error.

 



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