Getting ERROR: Error during SonarScanner execution

Hi ,
I am trying to run a scan through my spring boot application(Java 11) with sonar scanner version(4.8.0.2856) with sonarqube version (9.9.2.77730) running in a docker container.
Everytime a job is running sonar analysis fails and i get below error.
Sonarqube is running fine in port 9000 .How to solve this?


+ /var/jenkins_home/tools/hudson.plugins.sonar.SonarRunnerInstallation/sonar-scanner/bin/sonar-scanner -X -Dsonar.url=http://localhost:9000/ -Dsonar.login=squ_2ba601e3da21331e04b86b9b9d306e68319cfe5f -Dsonar.projectName=shopping-cart -Dsonar.java.binaries=. -Dsonar.projectKey=shopping-cart
15:48:21.850 INFO: Scanner configuration file: /var/jenkins_home/tools/hudson.plugins.sonar.SonarRunnerInstallation/sonar-scanner/conf/sonar-scanner.properties
15:48:21.895 INFO: Project root configuration file: NONE
15:48:22.052 INFO: SonarScanner 4.8.1.3023
15:48:22.055 INFO: Java 11.0.20.1 Eclipse Adoptium (64-bit)
15:48:22.057 INFO: Linux 5.15.90.1-microsoft-standard-WSL2 amd64
15:48:22.957 DEBUG: keyStore is : 
15:48:22.959 DEBUG: keyStore type is : pkcs12
15:48:22.961 DEBUG: keyStore provider is : 
15:48:22.963 DEBUG: init keystore
15:48:22.967 DEBUG: init keymanager of type SunX509
15:48:23.505 DEBUG: Create: /root/.sonar/cache
15:48:23.508 INFO: User cache: /root/.sonar/cache
15:48:23.511 DEBUG: Create: /root/.sonar/cache/_tmp
15:48:23.523 DEBUG: Extract sonar-scanner-api-batch in temp...
15:48:23.536 DEBUG: Get bootstrap index...
15:48:23.538 DEBUG: Download: http://localhost:9000/batch/index
15:48:23.744 ERROR: SonarQube server [http://localhost:9000] can not be reached
15:48:23.746 INFO: ------------------------------------------------------------------------
15:48:23.749 INFO: EXECUTION FAILURE
15:48:23.751 INFO: ------------------------------------------------------------------------
15:48:23.754 INFO: Total time: 2.069s
15:48:23.801 INFO: Final Memory: 3M/14M
15:48:23.803 INFO: ------------------------------------------------------------------------
15:48:23.805 ERROR: Error during SonarScanner execution
org.sonarsource.scanner.api.internal.ScannerException: Unable to execute SonarScanner analysis
	at org.sonarsource.scanner.api.internal.IsolatedLauncherFactory.lambda$createLauncher$0(IsolatedLauncherFactory.java:85)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at org.sonarsource.scanner.api.internal.IsolatedLauncherFactory.createLauncher(IsolatedLauncherFactory.java:74)
	at org.sonarsource.scanner.api.internal.IsolatedLauncherFactory.createLauncher(IsolatedLauncherFactory.java:70)
	at org.sonarsource.scanner.api.EmbeddedScanner.doStart(EmbeddedScanner.java:185)
	at org.sonarsource.scanner.api.EmbeddedScanner.start(EmbeddedScanner.java:123)
	at org.sonarsource.scanner.cli.Main.execute(Main.java:74)
	at org.sonarsource.scanner.cli.Main.main(Main.java:62)
Caused by: java.lang.IllegalStateException: Fail to get bootstrap index from server
	at org.sonarsource.scanner.api.internal.BootstrapIndexDownloader.getIndex(BootstrapIndexDownloader.java:42)
	at org.sonarsource.scanner.api.internal.JarDownloader.getScannerEngineFiles(JarDownloader.java:58)
	at org.sonarsource.scanner.api.internal.JarDownloader.download(JarDownloader.java:53)
	at org.sonarsource.scanner.api.internal.IsolatedLauncherFactory.lambda$createLauncher$0(IsolatedLauncherFactory.java:76)
	... 7 more
Caused by: java.net.ConnectException: Failed to connect to localhost/127.0.0.1:9000
	at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.connection.RealConnection.connectSocket(RealConnection.java:265)
	at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.connection.RealConnection.connect(RealConnection.java:183)
	at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.connection.ExchangeFinder.findConnection(ExchangeFinder.java:224)
	at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.connection.ExchangeFinder.findHealthyConnection(ExchangeFinder.java:108)
	at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.connection.ExchangeFinder.find(ExchangeFinder.java:88)
	at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.connection.Transmitter.newExchange(Transmitter.java:169)
	at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.java:41)
	at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:142)
	at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:117)
	at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.cache.CacheInterceptor.intercept(CacheInterceptor.java:94)
	at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:142)
	at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:117)
	at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.java:93)
	at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:142)
	at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.java:88)
	at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:142)
	at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:117)
	at org.sonarsource.scanner.api.internal.shaded.okhttp.RealCall.getResponseWithInterceptorChain(RealCall.java:221)
	at org.sonarsource.scanner.api.internal.shaded.okhttp.RealCall.execute(RealCall.java:81)
	at org.sonarsource.scanner.api.internal.ServerConnection.callUrl(ServerConnection.java:115)
	at org.sonarsource.scanner.api.internal.ServerConnection.downloadString(ServerConnection.java:99)
	at org.sonarsource.scanner.api.internal.BootstrapIndexDownloader.getIndex(BootstrapIndexDownloader.java:39)
	... 10 more
Caused by: java.net.ConnectException: Connection refused (Connection refused)
	at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.base/java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:412)
	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:255)
	at java.base/java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:237)
	at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.base/java.net.Socket.connect(Socket.java:609)
	at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.platform.Platform.connectSocket(Platform.java:130)
	at org.sonarsource.scanner.api.internal.shaded.okhttp.internal.connection.RealConnection.connectSocket(RealConnection.java:263)
	... 31 more

Hey there.

Is your SonarQube server hosted on the same machine as your Jenkins build is taking place? Only then would you be able to point to localhost:9000 (localhost is just that… local)

Hey Colin,
I used the same machine for jenkins build and sonarqube server.