We’re using SonarQube Developer Edition and after upgrading from 9.4 to 9.5 all of our scans that use SonarScanner for Maven broke with exactly the same error:
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO]
[INFO] service-pom [pom]
[INFO] service [jar]
[INFO] service-migration [jar]
[INFO]
[INFO] -----------------< com.company:service-pom >------------------
[INFO] Building service-pom dependabot.maven.com.company.api.protos.1.6.229-2bd69c0-SNAPSHOT [1/3]
[INFO] --------------------------------[ pom ]---------------------------------
[INFO]
[INFO] --- sonar-maven-plugin:3.9.1.2184:sonar (default-cli) @ service-pom ---
[INFO] User cache: /home/runner/.sonar/cache
[INFO] SonarQube version: 9.5.0.56709
[INFO] Default locale: "en", source code encoding: "UTF-8"
[INFO] Load global settings
[INFO] Load global settings (done) | time=438ms
[INFO] Server id: 8E0EBE95-AXyDumT00ooivwvgUXZn
[INFO] User cache: /home/runner/.sonar/cache
[INFO] Load/download plugins
[INFO] Load plugins index
[INFO] Load plugins index (done) | time=135ms
[INFO] Load/download plugins (done) | time=8808ms
[INFO] Loaded core extensions: developer-scanner
[INFO] Process project properties
[INFO] Process project properties (done) | time=12ms
[INFO] Execute project builders
[INFO] Execute project builders (done) | time=2ms
[INFO] Project key: com.company:service-pom
[INFO] Base dir: /home/runner/work/company-service/company-service
[INFO] Working dir: /home/runner/work/company-service/company-service/target/sonar
[INFO] Load project settings for component key: 'com.company:service-pom'
[INFO] Load project settings for component key: 'com.company:service-pom' (done) | time=103ms
[INFO] Load project branches
[INFO] Load project branches (done) | time=105ms
[INFO] Load project pull requests
[INFO] Load project pull requests (done) | time=136ms
[INFO] Load branch configuration
[INFO] Detected branch/PR in 'GitHub Action'
[INFO] Auto-configuring pull request '133'
[INFO] Load branch configuration (done) | time=6ms
[INFO] Auto-configuring with CI 'Github Actions'
[INFO] Load quality profiles
[INFO] Load quality profiles (done) | time=149ms
[INFO] Load active rules
[INFO] Load active rules (done) | time=3978ms
[INFO] Load analysis cache
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary for service-pom dependabot.maven.com.company.api.protos.1.6.229-2bd69c0-SNAPSHOT:
[INFO]
[INFO] service-pom ............................. FAILURE [ 27.558 s]
[INFO] service ................................. SKIPPED
[INFO] service-migration ....................... SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 28.167 s
[INFO] Finished at: 2022-06-23T09:57:42Z
[INFO] ------------------------------------------------------------------------
---------------------------------------------------
constituent[0]: file:/usr/share/apache-maven-3.8.6/conf/logging/
constituent[1]: file:/usr/share/apache-maven-3.8.6/lib/plexus-cipher-2.0.jar
constituent[2]: file:/usr/share/apache-maven-3.8.6/lib/maven-artifact-3.8.6.jar
constituent[3]: file:/usr/share/apache-maven-3.8.6/lib/plexus-interpolation-1.26.jar
constituent[4]: file:/usr/share/apache-maven-3.8.6/lib/maven-resolver-api-1.6.3.jar
constituent[5]: file:/usr/share/apache-maven-3.8.6/lib/maven-resolver-provider-3.8.6.jar
constituent[6]: file:/usr/share/apache-maven-3.8.6/lib/maven-model-3.8.6.jar
constituent[7]: file:/usr/share/apache-maven-3.8.6/lib/maven-embedder-3.8.6.jar
constituent[8]: file:/usr/share/apache-maven-3.8.6/lib/wagon-provider-api-3.5.1.jar
constituent[9]: file:/usr/share/apache-maven-3.8.6/lib/maven-resolver-connector-basic-1.6.3.jar
constituent[10]: file:/usr/share/apache-maven-3.8.6/lib/maven-builder-support-3.8.6.jar
constituent[11]: file:/usr/share/apache-maven-3.8.6/lib/plexus-component-annotations-2.1.0.jar
constituent[12]: file:/usr/share/apache-maven-3.8.6/lib/maven-resolver-spi-1.6.3.jar
constituent[13]: file:/usr/share/apache-maven-3.8.6/lib/maven-settings-3.8.6.jar
constituent[14]: file:/usr/share/apache-maven-3.8.6/lib/maven-model-builder-3.8.6.jar
constituent[15]: file:/usr/share/apache-maven-3.8.6/lib/maven-slf4j-provider-3.8.6.jar
constituent[16]: file:/usr/share/apache-maven-3.8.6/lib/javax.inject-1.jar
constituent[17]: file:/usr/share/apache-maven-3.8.6/lib/commons-io-2.6.jar
constituent[18]: file:/usr/share/apache-maven-3.8.6/lib/jansi-2.4.0.jar
constituent[19]: file:/usr/share/apache-maven-3.8.6/lib/wagon-http-3.5.1-shaded.jar
constituent[20]: file:/usr/share/apache-maven-3.8.6/lib/wagon-file-3.5.1.jar
constituent[21]: file:/usr/share/apache-maven-3.8.6/lib/plexus-utils-3.3.1.jar
constituent[22]: file:/usr/share/apache-maven-3.8.6/lib/maven-resolver-impl-1.6.3.jar
constituent[23]: file:/usr/share/apache-maven-3.8.6/lib/maven-repository-metadata-3.8.6.jar
constituent[24]: file:/usr/share/apache-maven-3.8.6/lib/maven-core-3.8.6.jar
constituent[25]: file:/usr/share/apache-maven-3.8.6/lib/maven-resolver-util-1.6.3.jar
constituent[26]: file:/usr/share/apache-maven-3.8.6/lib/maven-shared-utils-3.3.4.jar
constituent[27]: file:/usr/share/apache-maven-3.8.6/lib/maven-compat-3.8.6.jar
constituent[28]: file:/usr/share/apache-maven-3.8.6/lib/maven-plugin-api-3.8.6.jar
constituent[29]: file:/usr/share/apache-maven-3.8.6/lib/org.eclipse.sisu.inject-0.3.5.jar
constituent[30]: file:/usr/share/apache-maven-3.8.6/lib/guice-4.2.2-no_aop.jar
Error: Exception in thread "main" java.lang.NoClassDefFoundError: com/google/common/collect/LinkedListMultimap$1KeySetImpl
constituent[31]: file:/usr/share/apache-maven-3.8.6/lib/plexus-sec-dispatcher-2.0.jar
at com.google.common.collect.LinkedListMultimap.createKeySet(LinkedListMultimap.java:754)
at com.google.common.collect.AbstractMultimap.keySet(AbstractMultimap.java:167)
at com.google.common.collect.LinkedListMultimap.keySet(LinkedListMultimap.java:98)
at org.sonar.core.util.ContextException.format(ContextException.java:148)
at org.sonar.core.util.ContextException.getMessage(ContextException.java:135)
at org.apache.maven.exception.DefaultExceptionHandler.getMessage(DefaultExceptionHandler.java:277)
at org.apache.maven.exception.DefaultExceptionHandler.handle(DefaultExceptionHandler.java:124)
at org.apache.maven.exception.DefaultExceptionHandler.handleException(DefaultExceptionHandler.java:96)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:976)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:293)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:196)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:282)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:225)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:406)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:347)
Caused by: java.lang.ClassNotFoundException: com.google.common.collect.LinkedListMultimap$1KeySetImpl
at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:445)
at org.sonarsource.scanner.api.internal.IsolatedClassloader.loadClass(IsolatedClassloader.java:82)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520)
... 19 more
constituent[32]: file:/usr/share/apache-maven-3.8.6/lib/commons-lang3-3.8.1.jar
constituent[33]: file:/usr/share/apache-maven-3.8.6/lib/org.eclipse.sisu.plexus-0.3.5.jar
constituent[34]: file:/usr/share/apache-maven-3.8.6/lib/jcl-over-slf4j-1.7.36.jar
constituent[35]: file:/usr/share/apache-maven-3.8.6/lib/slf4j-api-1.7.36.jar
constituent[36]: file:/usr/share/apache-maven-3.8.6/lib/commons-cli-1.4.jar
constituent[37]: file:/usr/share/apache-maven-3.8.6/lib/maven-resolver-transport-wagon-1.6.3.jar
constituent[38]: file:/usr/share/apache-maven-3.8.6/lib/guava-25.1-android.jar
constituent[39]: file:/usr/share/apache-maven-3.8.6/lib/javax.annotation-api-1.2.jar
constituent[40]: file:/usr/share/apache-maven-3.8.6/lib/maven-settings-builder-3.8.6.jar
---------------------------------------------------
Error: Process completed with exit code 1.
I searched these forums as well as JIRA tickets and didn’t find anything relevant. Reverting back to 9.4 resolved the issue, but since there are no relevant bug reports, we have no idea when it’s safe to ugrade.