How to show log4j output in surefire test resports

StackOverflow https://stackoverflow.com/questions/4379996

  •  09-10-2019
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Question

When a test fails in maven the surefire test report xml files in target/surefire-reports/TEST-<test-name>.xml only shows the Standard Output System.output or Standard Error System.err

When I use the jdk java.util.logging.Logger all the logging shows in the Standard Error <system-err> tag, but it does not show when I use log4j.

The logging with log4j is working fine through a FileAppender and a ConsoleAppender. It shows in the full console output, but not on the individual test report files.

  • Can I configure log4j to redirect its output to System.out so it shows in surefire rerports?
  • Can I tell surefire to also show the log4j debug logging?
Was it helpful?

Solution 2

Update the surefire plugin version.

Using version 2.9 the log4j output appears in <system-out> when using the ConsoleAppender

OTHER TIPS

  • Option one:

    For standard logging (System.out/System.err), you can have the following output:

        <plugin>
        <artifactId>maven-surefire-plugin</artifactId>
        <version>2.8.1</version>

        <configuration>
            <redirectTestOutputToFile>true</redirectTestOutputToFile>
        </configuration>
    </plugin>

    This will generate output files for each of the tests.

  • Option two:

    For a log4j configuration you can create a custom log4j.xml / log4j.properties and simply place it under src/test/resources.

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