Sonar Scan Analysis Troubleshooting

Hello Everyone,
I installed the sonar-scanner binary onto my docker image just fine. When I try and run the sonar-scanner cli command I am getting the error in the code block below. In my dockerfile I have copied over the sonar-scanner.properties file into the directory: /install/sonar-scanner/conf and the contents of my sonar-scanner.properties file is as follows:

#----- Default SonarQube server
#sonar.host.url=https://sonar.1hq.com

#----- Default source code encoding
#sonar.sourceEncoding=UTF-8
18:56:47.431 INFO: Scanner configuration file: /install/sonar-scanner/conf/sonar-scanner.properties
18:56:47.436 INFO: Project root configuration file: NONE
18:56:47.518 INFO: SonarScanner 4.6.0.2311
18:56:47.518 INFO: Java 11.0.9 Alpine (64-bit)
18:56:47.519 INFO: Linux 4.19.121-linuxkit amd64
18:56:47.840 DEBUG: keyStore is :
18:56:47.840 DEBUG: keyStore type is : pkcs12
18:56:47.840 DEBUG: keyStore provider is :
18:56:47.840 DEBUG: init keystore
18:56:47.842 DEBUG: init keymanager of type SunX509
18:56:48.103 DEBUG: Create: /root/.sonar/cache
18:56:48.108 INFO: User cache: /root/.sonar/cache
18:56:48.109 DEBUG: Create: /root/.sonar/cache/_tmp
18:56:48.114 DEBUG: Extract sonar-scanner-api-batch in temp...
18:56:48.121 DEBUG: Get bootstrap index...
18:56:48.121 DEBUG: Download: http://localhost:9000/batch/index
18:56:48.200 ERROR: SonarQube server [http://localhost:9000] can not be reached
18:56:48.201 INFO: ------------------------------------------------------------------------
18:56:48.201 INFO: EXECUTION FAILURE
18:56:48.202 INFO: ------------------------------------------------------------------------
18:56:48.203 INFO: Total time: 0.791s
18:56:48.222 INFO: Final Memory: 3M/14M
18:56:48.222 INFO: ------------------------------------------------------------------------
18:56:48.222 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$0(IsolatedLauncherFactory.java:85)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at org.sonarsource.scanner.api.internal.IsolatedLauncherFactory.createLauncher(IsolatedLauncherFactory.java:74)
	at org.sonarsource.scanner.api.internal.IsolatedLauncherFactory.createLauncher(IsolatedLauncherFactory.java:70)
	at org.sonarsource.scanner.api.EmbeddedScanner.doStart(EmbeddedScanner.java:185)
	at org.sonarsource.scanner.api.EmbeddedScanner.start(EmbeddedScanner.java:123)
	at org.sonarsource.scanner.cli.Main.execute(Main.java:73)
	at org.sonarsource.scanner.cli.Main.main(Main.java:61)
Caused by: java.lang.IllegalStateException: Fail to get bootstrap index from server
	at org.sonarsource.scanner.api.internal.BootstrapIndexDownloader.getIndex(BootstrapIndexDownloader.java:42)
	at org.sonarsource.scanner.api.internal.JarDownloader.getScannerEngineFiles(JarDownloader.java:58)
	at org.sonarsource.scanner.api.internal.JarDownloader.download(JarDownloader.java:53)
	at org.sonarsource.scanner.api.internal.IsolatedLauncherFactory.lambda$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:399)
	at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:242)
	at java.base/java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:224)
	at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:403)
	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

Any advice is greatly appreciated! I am using sonar-scanner version 4.6.0.2311 if that helps.

Hello @Jheru and welcome to the community :wave:

the # in the sonar-scanner.properties file indicates a comment, so the definition for the scanner where to find your sonarqube instance is commented out. the scanner is trying to connect to a default value for this property (localhost:9000). try removing the # there and execute the scanner again.

@Tobias_Trabelsi Thank you! Embarrassed that it was that simple of a fix.

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