Issue #5290: change all sonarqube.com to sonarcloud.io
diff --git a/.ci/travis/travis.sh b/.ci/travis/travis.sh
index 91b3f04..47afe90 100755
--- a/.ci/travis/travis.sh
+++ b/.ci/travis/travis.sh
@@ -46,7 +46,7 @@
   if [[ $TRAVIS_PULL_REQUEST && $TRAVIS_PULL_REQUEST =~ ^([0-9]*)$ ]]; then exit 0; fi
   export MAVEN_OPTS='-Xmx2000m'
   mvn clean package cobertura:cobertura sonar:sonar \
-       -Dsonar.host.url=https://sonarqube.com \
+       -Dsonar.host.url=https://sonarcloud.io \
        -Dsonar.login=$SONAR_TOKEN \
        -Dcobertura.report.format=xml -Dmaven.test.failure.ignore=true \
        -Dcheckstyle.skip=true -Dpmd.skip=true -Dcheckstyle.ant.skip=true
diff --git a/.travis.yml b/.travis.yml
index 51ffbbd..979da37 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -159,10 +159,10 @@
         - DESC="MacOS verify, site, assembly"
         - CMD="export JAVA_HOME=$(/usr/libexec/java_home) && mvn package -Dlinkcheck.skip=true && mvn package -Passembly "
 
-    # https://sonarqube.com (oraclejdk8)
+    # https://sonarcloud.io (oraclejdk8)
     - jdk: oraclejdk8
       env:
-        - DESC="sonarqube.com"
+        - DESC="sonarcloud.io"
         - CMD="./.ci/travis/travis.sh sonarqube"
 
     # No error testing - simple-binary-encoding
diff --git a/README.md b/README.md
index 8585083..d01f5c5 100644
--- a/README.md
+++ b/README.md
@@ -73,8 +73,8 @@
 [appveyor]:https://ci.appveyor.com/project/checkstyle/checkstyle/history
 [appveyor img]:https://ci.appveyor.com/api/projects/status/rw6bw3dl9kph6ucc?svg=true
 
-[sonar]:https://sonarqube.com/dashboard?id=com.puppycrawl.tools%3Acheckstyle
-[sonar img]:https://sonarqube.com/api/badges/measure?key=com.puppycrawl.tools:checkstyle&metric=sqale_debt_ratio
+[sonar]:https://sonarcloud.io/dashboard?id=com.puppycrawl.tools%3Acheckstyle
+[sonar img]:https://sonarcloud.io/api/badges/measure?key=com.puppycrawl.tools:checkstyle&metric=sqale_debt_ratio
 
 [codacy]:https://www.codacy.com/app/checkstyle/checkstyle
 [codacy img]:https://api.codacy.com/project/badge/3adf12d434314ba8b38277ea46d3c44b
diff --git a/pom.xml b/pom.xml
index e285827..2c920b7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1237,7 +1237,7 @@
         <artifactId>maven-report</artifactId>
         <version>0.1</version>
         <configuration>
-          <sonarHostURL>https://sonarqube.com</sonarHostURL>
+          <sonarHostURL>https://sonarcloud.io</sonarHostURL>
         </configuration>
       </plugin>
 
@@ -1341,7 +1341,7 @@
             by sonar's developers. It is not allowed to open issue against sonar's maven report plugin
             at sonar's issue tracker: http://jira.codehaus.org/browse/MSONAR
             Sonar's mailing lists: http://www.mojohaus.org/sonar-maven-plugin/mail-lists.html-->
-            <excludedLink>https://sonarqube.com/project/index/com.puppycrawl.tools:checkstyle</excludedLink>
+            <excludedLink>https://sonarcloud.io/project/index/com.puppycrawl.tools:checkstyle</excludedLink>
             <!-- SSL error, skip validating released "-all" jar on sourceforge as it is uploaded after site generation-->
             <excludedLink>http://downloads.sourceforge.net/project/checkstyle/checkstyle/*/checkstyle-*-all.jar</excludedLink>
 
diff --git a/src/xdocs/releasenotes.xml b/src/xdocs/releasenotes.xml
index b4580cc..833d19a 100644
--- a/src/xdocs/releasenotes.xml
+++ b/src/xdocs/releasenotes.xml
@@ -3818,7 +3818,7 @@
           Remove usage of deprecated methods from MainTest. Author: Michal Kordas <a href="https://github.com/checkstyle/checkstyle/issues/1325">#1325</a>
         </li>
         <li>
-          Restore checkstyle validation on https://sonarqube.com. Author: Roman Ivanov <a href="https://github.com/checkstyle/checkstyle/issues/1319">#1319</a>
+          Restore checkstyle validation on https://sonarcloud.io. Author: Roman Ivanov <a href="https://github.com/checkstyle/checkstyle/issues/1319">#1319</a>
         </li>
         <li>
           Update Maven Shade Plugin, EqualsVerifier, antlr, system-rules and Maven PMD Plugin to latest versions. Author: Michal Kordas