diff --git a/.github/workflows/sonar.yml b/.github/workflows/sonar.yml
index 54eb8bfab8a..e52981a7450 100644
--- a/.github/workflows/sonar.yml
+++ b/.github/workflows/sonar.yml
@@ -13,13 +13,13 @@ jobs:
 
     steps:
     - uses: actions/checkout@v1
-    - name: Set up JDK 1.8
+    - name: Set up JDK 11
       uses: actions/setup-java@v1
       with:
-        java-version: 1.8
+        java-version: 11
     - name: Compile with Maven
-      run: mvn clean package jacoco:report
+      run: mvn -B -q clean install jacoco:report
     - name: Jacoco Aggregate
       run: mvn jacoco:report-aggregate
     - name: Publish to Sonar
-      run: mvn -B -q sonar:sonar -Dsonar.projectKey=OpenAPITools_openapi-generator -Dsonar.organization=openapitools -Dsonar.host.url=https://sonarcloud.io -Dsonar.login=${{ secrets.SONAR_LOGIN }} -Dsonar.branch.name=${GITHUB_REF##*/}
+      run: mvn -B -q -nsu sonar:sonar -Dsonar.projectKey=OpenAPITools_openapi-generator -Dsonar.organization=openapitools -Dsonar.host.url=https://sonarcloud.io -Dsonar.login=${{ secrets.SONAR_LOGIN }} -Dsonar.branch.name=${GITHUB_REF##*/}
diff --git a/modules/openapi-generator-cli/src/main/java/org/openapitools/codegen/cmd/ConfigHelp.java b/modules/openapi-generator-cli/src/main/java/org/openapitools/codegen/cmd/ConfigHelp.java
index 20a18901099..7ad0e1ba709 100644
--- a/modules/openapi-generator-cli/src/main/java/org/openapitools/codegen/cmd/ConfigHelp.java
+++ b/modules/openapi-generator-cli/src/main/java/org/openapitools/codegen/cmd/ConfigHelp.java
@@ -39,15 +39,16 @@ import java.util.stream.Collectors;
 import static org.apache.commons.lang3.StringEscapeUtils.escapeHtml4;
 import static org.apache.commons.lang3.StringUtils.isEmpty;
 
-@SuppressWarnings({"unused","java:S106"})
+@SuppressWarnings({"unused","java:S106", "java:S1192"})
 @Command(name = "config-help", description = "Config help for chosen lang")
 public class ConfigHelp extends OpenApiGeneratorCommand {
 
-    private static final Logger LOGGER = LoggerFactory.getLogger(Generate.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(ConfigHelp.class);
 
     private static final String FORMAT_TEXT = "text";
     private static final String FORMAT_MARKDOWN = "markdown";
     private static final String FORMAT_YAMLSAMPLE = "yamlsample";
+    private static final int FEATURE_SET_DISPLAY_WIDTH= 20;
 
     @Option(name = {"-g",
             "--generator-name"}, title = "generator name", description = "generator to get config help for")
@@ -147,7 +148,7 @@ public class ConfigHelp extends OpenApiGeneratorCommand {
             LOGGER.error("[error] Check the spelling of the generator's name and try again.");
             System.exit(1);
         } catch (IOException e) {
-            e.printStackTrace();
+            LOGGER.error("Unexpected error", e);
         }
     }
 
@@ -396,7 +397,7 @@ public class ConfigHelp extends OpenApiGeneratorCommand {
             String definedByKey = "Defined By";
             int maxNameLength = flattened.stream().map(FeatureSet.FeatureSetFlattened::getFeatureName).mapToInt(String::length).max().orElse(nameKey.length());
             int maxSupportedLength = supportedKey.length();
-            int definedInLength = 20;
+            int definedInLength = FEATURE_SET_DISPLAY_WIDTH;
             String format = "%-" + maxNameLength + "s\t%-" + maxSupportedLength + "s\t%-" + definedInLength + "s";
 
             flattened.forEach(featureSet -> {
diff --git a/modules/openapi-generator-maven-plugin/pom.xml b/modules/openapi-generator-maven-plugin/pom.xml
index 2e41d33653c..d0eb7ad5792 100644
--- a/modules/openapi-generator-maven-plugin/pom.xml
+++ b/modules/openapi-generator-maven-plugin/pom.xml
@@ -15,6 +15,7 @@
     <description>maven plugin to build modules from OpenAPI Generator</description>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <sonar.exclusions>**/src/main/java/org/openapitools/codegen/plugin/**/*</sonar.exclusions>
     </properties>
     <dependencies>
         <dependency>
diff --git a/modules/openapi-generator-online/pom.xml b/modules/openapi-generator-online/pom.xml
index 08f9c33febc..129f8a28433 100644
--- a/modules/openapi-generator-online/pom.xml
+++ b/modules/openapi-generator-online/pom.xml
@@ -19,6 +19,7 @@
         <springfox-version>3.0.0</springfox-version>
         <junit-version>4.13</junit-version>
         <jackson-version>2.10.2</jackson-version>
+        <sonar.exclusions>**/org/openapitools/codegen/online/**/*</sonar.exclusions>
     </properties>
     <dependencyManagement>
         <dependencies>