Maven plugin failed to run on basic options (printing run detectors and analyzed classes)

[gloNelson]

I found a bug when using the maven plugin. For basic options supported by spotbugs (printing run detectors and analyzed classes), it fails to print anything to the log.

Expected Output

print run detectors and analyzed classes

Actual Ouput

As can be seen from the output, the analyzed classes are not printed in the log file.

[java] 2 analysis passes to perform
[java] Pass 1: Analyzing classes (0 / 171) - 00% completePass 1: Analyzing classes (1 / 171) - 00% completePass 1: Analyzing classes (2 / 171) - 01% completePass 1: Analyzing classes (3 / 171) - 01% completePass 1: Analyzing classes (4 / 171) - 02% completePass 1: Analyzing classes (5 / 171) - 02% completePass 1: Analyzing classes (6 / 171) - 03% completePass 1: Analyzing classes (7 / 171) - 04% completePass 1: Analyzing classes (8 / 171) - 04% completePass 1: Analyzing classes (9 / 171) - 05% completePass 1: Analyzing classes (10 / 171) - 05% completePass 1: Analyzing classes (11 / 171) - 06% completePass 1: Analyzing classes (12 / 171) - 07% completePass 1: Analyzing classes (13 / 171) - 07% completePass 1: Analyzing classes (14 / 171) - 08% completePass 1: Analyzing classes (15 / 171) - 08% completePass 1: Analyzing classes (16 / 171) - 09% completePass 1: Analyzing classes (17 / 171) - 09% completePass 1: Analyzing classes (18 / 171) - 10% completePass 1: Analyzing classes (19 / 171) - 11% completePass 1: Analyzing classes (20 / 171) - 11% completePass 1: Analyzing classes (21 / 171) - 12% completePass 1: Analyzing classes (22 / 171) - 12% completePass 1: Analyzing classes (23 / 171) - 13% completePass 1: Analyzing classes (24 / 171) - 14% completePass 1: Analyzing classes (25 / 171) - 14% completePass 1: Analyzing classes (26 / 171) - 15% completePass 1: Analyzing classes (27 / 171) - 15% completePass 1: Analyzing classes (28 / 171) - 16% completePass 1: Analyzing classes (29 / 171) - 16% completePass 1: Analyzing classes (30 / 171) - 17% completePass 1: Analyzing classes (31 / 171) - 18% completePass 1: Analyzing classes (32 / 171) - 18% completePass 1: Analyzing classes (33 / 171) - 19% completePass 1: Analyzing classes (34 / 171) - 19% completePass 1: Analyzing classes (35 / 171) - 20% completePass 1: Analyzing classes (36 / 171) - 21% completePass 1: Analyzing classes (37 / 171) - 21% completePass 1: Analyzing classes (38 / 171) - 22% completePass 1: Analyzing classes (39 / 171) - 22% completePass 1: Analyzing classes (40 / 171) - 23% completePass 1: Analyzing classes (41 / 171) - 23% completePass 1: Analyzing classes (42 / 171) - 24% completePass 1: Analyzing classes (43 / 171) - 25% completePass 1: Analyzing classes (44 / 171) - 25% completePass 1: Analyzing classes (45 / 171) - 26% completePass 1: Analyzing classes (46 / 171) - 26% completePass 1: Analyzing classes (47 / 171) - 27% completePass 1: Analyzing classes (48 / 171) - 28% completePass 1 ...

My pom.xml

<plugin>
    <groupId>com.github.spotbugs</groupId>
        <artifactId>spotbugs-maven-plugin</artifactId>
        <version>4.1.4</version>
        <configuration>
            <effort>Default</effort>
            <threshold>Low</threshold>
            <debug>true</debug>
            <trace>true</trace>
            <spotbugs.trace>true</spotbugs.trace>
        </configuration>
    <dependencies>
        <dependency>
            <groupId>com.github.spotbugs</groupId>
            <artifactId>spotbugs</artifactId>
            <version>4.1.4</version>
        </dependency>
    </dependencies>
</plugin>

The attachment is my log with -X option.
[execute.log](https://github.com/spotbugs/spotbugs-maven-plugin/files/6154659/execute.log)

[gloNelson]

I realized that the fault is in the way the maven plugin sets the property. I have created a pull request to fix this. Please help me review this. @hazendaz Thanks a lot.

[hazendaz]

merged in fix #307, thanks for finding the cause of issue.