build not failed on preview mode

[appzone]

hi, my maven build not failed when using preview mode with properties

sonar.gitlab.max_blocker_issues_gate 
sonar.gitlab.max_critical_issues_gate
sonar.gitlab.max_major_issues_gate

full parameter is

-Dsonar.host.url=<<URL>> -Dsonar.login=******* -Dsonar.analysis.mode=preview -Dsonar.report.export.path=report.json -Dsonar.gitlab.commit_sha=<<COMMIT_SHA>> -Dsonar.gitlab.ref_name=<<REF_NAME>> -Dsonar.gitlab.project_id=<<PROJECT_ID>> -Dsonar.gitlab.user_token=******* -Dsonar.gitlab.merge_request_discussion=true -Dsonar.gitlab.max_blocker_issues_gate=0 -Dsonar.gitlab.max_critical_issues_gate=0 -Dsonar.gitlab.max_major_issues_gate=0

the log from maven is

08:22:23
    [INFO] Sensor SurefireSensor [java]
08:22:23
    [INFO] parsing [/home/buildagent/app/work/38d2f8115718eaef/target/surefire-reports]
08:22:23
    [INFO] Sensor SurefireSensor [java] (done) | time=82ms
08:22:23
    [INFO] Sensor JaCoCoSensor [java]
08:22:23
    [INFO] Analysing /home/buildagent/app/work/38d2f8115718eaef/target/jacoco.exec
08:22:23
    [INFO] No information about coverage per test.
08:22:23
    [INFO] Sensor JaCoCoSensor [java] (done) | time=123ms
08:22:23
    [INFO] Sensor JavaXmlSensor [java]
08:22:23
    [INFO] 1 source files to be analyzed
08:22:23
    [INFO] Sensor JavaXmlSensor [java] (done) | time=130ms
08:22:23
    [INFO] Sensor HTML [web]
08:22:23
    [INFO] 1/1 source files have been analyzed
08:22:23
    [INFO] Sensor HTML [web] (done) | time=13ms
08:22:23
    [INFO] Sensor XML Sensor [xml]
08:22:23
    [INFO] 1 source files to be analyzed
08:22:23
    [INFO] Sensor XML Sensor [xml] (done) | time=145ms
08:22:23
    [INFO] 1/1 source files have been analyzed
08:22:23
    [INFO] ------------- Run sensors on project
08:22:23
    [INFO] No SCM system was detected. You can use the 'sonar.scm.provider' property to explicitly specify it.
08:22:23
    [INFO] Load server issues
08:22:23
    [INFO] Load server issues (done) | time=18ms
08:22:23
    [INFO] Performing issue tracking
08:22:24
    [INFO] 19/19 components tracked
08:22:24
    [INFO] Load server rules
08:22:24
    [INFO] Load server rules (done) | time=111ms
08:22:24
    [INFO] Export issues to /home/buildagent/app/work/38d2f8115718eaef/target/sonar/report.json
08:22:24
    [INFO] ANALYSIS SUCCESSFUL
08:22:24
    [INFO] Executing post-job 'GitLab Commit Issue Publisher'
08:22:27
    [INFO] Report status=failed, desc=SonarQube reported 4 issues, with 3 blocker (fail) and 1 major (fail)
08:22:27
    [INFO] Analysis total time: 9.704 s
08:22:27
  [Maven Watcher] 
08:22:27
  [INFO] ------------------------------------------------------------------------
08:22:27
  [INFO] BUILD SUCCESS
08:22:27
  [INFO] ------------------------------------------------------------------------

plugin version 4.1.0-SNAPSHOT
sonar version 7.6.0.21501
 
expected the build is failed