Issue still exists on SonarQube 8.4.1.
Maybe some URI convert is required? See https://stackoverflow.com/questions/43972777/exception-in-thread-main-java-nio-file-invalidpathexception-illegal-char
2020-07-25T12:00:41.3989678Z ##[error]ERROR: Error during SonarScanner execution
2020-07-25T12:00:41.3998478Z ERROR: Error during SonarScanner execution
2020-07-25T12:00:41.3998570Z
2020-07-25T12:00:41.3999065Z ##[error]java.nio.file.InvalidPathException: Illegal char <:> at index 2: 'D:\_2\36\s/src/lib
at sun.nio.fs.WindowsPathParser.normalize(WindowsPathParser.java:182)
at sun.nio.fs.WindowsPathParser.parse(WindowsPathParser.java:153)
at sun.nio.fs.WindowsPathParser.parse(WindowsPathParser.java:77)
at sun.nio.fs.WindowsPath.parse(WindowsPath.java:94)
at sun.nio.fs.WindowsFileSystem.getPath(WindowsFileSystem.java:255)
2020-07-25T12:00:41.4023623Z java.nio.file.InvalidPathException: Illegal char <:> at index 2: 'D:\_2\36\s/src/lib
2020-07-25T12:00:41.4023735Z at sun.nio.fs.WindowsPathParser.normalize(WindowsPathParser.java:182)
2020-07-25T12:00:41.4023826Z at sun.nio.fs.WindowsPathParser.parse(WindowsPathParser.java:153)
2020-07-25T12:00:41.4023931Z at sun.nio.fs.WindowsPathParser.parse(WindowsPathParser.java:77)
2020-07-25T12:00:41.4024016Z at sun.nio.fs.WindowsPath.parse(WindowsPath.java:94)
2020-07-25T12:00:41.4024670Z ##[error]at java.nio.file.Paths.get(Paths.java:84)
at org.sonar.java.AbstractJavaClasspath.resolvePath(AbstractJavaClasspath.java:272)
at org.sonar.java.AbstractJavaClasspath.getFilesForPattern(AbstractJavaClasspath.java:134)
at org.sonar.java.AbstractJavaClasspath.getFilesFromProperty(AbstractJavaClasspath.java:88)
at org.sonar.java.JavaClasspath.init(JavaClasspath.java:55)
at org.sonar.java.AbstractJavaClasspath.getElements(AbstractJavaClasspath.java:280)
at org.sonar.java.SonarComponents.getJavaClasspath(SonarComponents.java:149)
2020-07-25T12:00:41.4024948Z
2020-07-25T12:00:41.4025034Z at java.nio.file.Paths.get(Paths.java:84)
2020-07-25T12:00:41.4025109Z at org.sonar.java.AbstractJavaClasspath.resolvePath(AbstractJavaClasspath.java:272)
2020-07-25T12:00:41.4025215Z at org.sonar.java.AbstractJavaClasspath.getFilesForPattern(AbstractJavaClasspath.java:134)
2020-07-25T12:00:41.4025298Z at org.sonar.java.AbstractJavaClasspath.getFilesFromProperty(AbstractJavaClasspath.java:88)
2020-07-25T12:00:41.4025389Z at org.sonar.java.JavaClasspath.init(JavaClasspath.java:55)
2020-07-25T12:00:41.4026010Z at org.sonar.java.AbstractJavaClasspath.getElements(AbstractJavaClasspath.java:280)
2020-07-25T12:00:41.4026319Z ##[error]at org.sonar.java.JavaSquid.<init>(JavaSquid.java:81)
at org.sonar.plugins.java.JavaSquidSensor.execute(JavaSquidSensor.java:102)
at org.sonar.scanner.sensor.AbstractSensorWrapper.analyse(AbstractSensorWrapper.java:48)
at org.sonar.scanner.sensor.ModuleSensorsExecutor.execute(ModuleSensorsExecutor.java:85)
2020-07-25T12:00:41.4026535Z
2020-07-25T12:00:41.4026613Z at org.sonar.java.JavaSquid.<init>(JavaSquid.java:81)
2020-07-25T12:00:41.4026701Z at org.sonar.plugins.java.JavaSquidSensor.execute(JavaSquidSensor.java:102)
2020-07-25T12:00:41.4026903Z at org.sonar.scanner.sensor.AbstractSensorWrapper.analyse(AbstractSensorWrapper.java:48)
2020-07-25T12:00:41.4026985Z at org.sonar.scanner.sensor.ModuleSensorsExecutor.execute(ModuleSensorsExecutor.java:85)
2020-07-25T12:00:41.4027299Z ##[error]at org.sonar.scanner.sensor.ModuleSensorsExecutor.lambda$execute$1(ModuleSensorsExecutor.java:59)
at org.sonar.scanner.sensor.ModuleSensorsExecutor.withModuleStrategy(ModuleSensorsExecutor.java:77)
at org.sonar.scanner.sensor.ModuleSensorsExecutor.execute(ModuleSensorsExecutor.java:59)
at org.sonar.scanner.scan.ModuleScanContainer.doAfterStart(ModuleScanContainer.java:82)
at org.sonar.core.platform.ComponentContainer.startComponents(ComponentContainer.java:137)
2020-07-25T12:00:41.4027593Z at org.sonar.scanner.sensor.ModuleSensorsExecutor.lambda$execute$1(ModuleSensorsExecutor.java:59)
2020-07-25T12:00:41.4027682Z at org.sonar.scanner.sensor.ModuleSensorsExecutor.withModuleStrategy(ModuleSensorsExecutor.java:77)
2020-07-25T12:00:41.4027786Z at org.sonar.scanner.sensor.ModuleSensorsExecutor.execute(ModuleSensorsExecutor.java:59)
2020-07-25T12:00:41.4027865Z at org.sonar.scanner.scan.ModuleScanContainer.doAfterStart(ModuleScanContainer.java:82)
2020-07-25T12:00:41.4027941Z at org.sonar.core.platform.ComponentContainer.startComponents(ComponentContainer.java:137)
2020-07-25T12:00:41.4028219Z ##[error]at org.sonar.core.platform.ComponentContainer.execute(ComponentContainer.java:123)
at org.sonar.scanner.scan.ProjectScanContainer.scan(ProjectScanContainer.java:388)
at org.sonar.scanner.scan.ProjectScanContainer.scanRecursively(ProjectScanContainer.java:384)
at org.sonar.scanner.scan.ProjectScanContainer.doAfterStart(ProjectScanContainer.java:353)
2020-07-25T12:00:41.4028463Z at org.sonar.core.platform.ComponentContainer.execute(ComponentContainer.java:123)
2020-07-25T12:00:41.4028562Z at org.sonar.scanner.scan.ProjectScanContainer.scan(ProjectScanContainer.java:388)
2020-07-25T12:00:41.4028644Z at org.sonar.scanner.scan.ProjectScanContainer.scanRecursively(ProjectScanContainer.java:384)
2020-07-25T12:00:41.4028744Z at org.sonar.scanner.scan.ProjectScanContainer.doAfterStart(ProjectScanContainer.java:353)
2020-07-25T12:00:41.4028930Z ##[error]at org.sonar.core.platform.ComponentContainer.startComponents(ComponentContainer.java:137)
2020-07-25T12:00:41.4029379Z
2020-07-25T12:00:41.4029649Z ##[error]at org.sonar.core.platform.ComponentContainer.execute(ComponentContainer.java:123)
at org.sonar.scanner.bootstrap.GlobalContainer.doAfterStart(GlobalContainer.java:144)
at org.sonar.core.platform.ComponentContainer.startComponents(ComponentContainer.java:137)
at org.sonar.core.platform.ComponentContainer.execute(ComponentContainer.java:123)
at org.sonar.batch.bootstrapper.Batch.doExecute(Batch.java:72)
2020-07-25T12:00:41.4029923Z at org.sonar.core.platform.ComponentContainer.execute(ComponentContainer.java:123)
2020-07-25T12:00:41.4030021Z at org.sonar.scanner.bootstrap.GlobalContainer.doAfterStart(GlobalContainer.java:144)
2020-07-25T12:00:41.4030115Z at org.sonar.core.platform.ComponentContainer.startComponents(ComponentContainer.java:137)
2020-07-25T12:00:41.4030193Z at org.sonar.core.platform.ComponentContainer.execute(ComponentContainer.java:123)
2020-07-25T12:00:41.4030449Z ##[error]at org.sonar.batch.bootstrapper.Batch.execute(Batch.java:66)
at org.sonarsource.scanner.api.internal.batch.BatchIsolatedLauncher.execute(BatchIsolatedLauncher.java:46)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
2020-07-25T12:00:41.4030769Z
2020-07-25T12:00:41.4030861Z at org.sonar.batch.bootstrapper.Batch.execute(Batch.java:66)
2020-07-25T12:00:41.4030941Z at org.sonarsource.scanner.api.internal.batch.BatchIsolatedLauncher.execute(BatchIsolatedLauncher.java:46)
2020-07-25T12:00:41.4031030Z at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2020-07-25T12:00:41.4031106Z at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
2020-07-25T12:00:41.4031380Z ##[error]at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
2020-07-25T12:00:41.4031772Z
2020-07-25T12:00:41.4032034Z ##[error]at java.lang.reflect.Method.invoke(Method.java:498)
at org.sonarsource.scanner.api.internal.IsolatedLauncherProxy.invoke(IsolatedLauncherProxy.java:60)
at com.sun.proxy.$Proxy0.execute(Unknown Source)
at org.sonarsource.scanner.api.EmbeddedScanner.doExecute(EmbeddedScanner.java:189)
at org.sonarsource.scanner.api.EmbeddedScanner.execute(EmbeddedScanner.java:138)
2020-07-25T12:00:41.4032300Z at java.lang.reflect.Method.invoke(Method.java:498)
2020-07-25T12:00:41.4032399Z at org.sonarsource.scanner.api.internal.IsolatedLauncherProxy.invoke(IsolatedLauncherProxy.java:60)
2020-07-25T12:00:41.4032473Z at com.sun.proxy.$Proxy0.execute(Unknown Source)
2020-07-25T12:00:41.4032561Z at org.sonarsource.scanner.api.EmbeddedScanner.doExecute(EmbeddedScanner.java:189)
2020-07-25T12:00:41.4032781Z ##[error]at org.sonarsource.scanner.cli.Main.execute(Main.java:112)
at org.sonarsource.scanner.cli.Main.execute(Main.java:75)
at org.sonarsource.scanner.cli.Main.main(Main.java:61)
ERROR:
2020-07-25T12:00:41.4032977Z
2020-07-25T12:00:41.4033064Z at org.sonarsource.scanner.cli.Main.execute(Main.java:112)
2020-07-25T12:00:41.4033148Z at org.sonarsource.scanner.cli.Main.execute(Main.java:75)
2020-07-25T12:00:41.4033228Z at org.sonarsource.scanner.cli.Main.main(Main.java:61)
2020-07-25T12:00:41.4033291Z ERROR:
2020-07-25T12:00:41.4659601Z ##[error]The process 'D:\_2\_tasks\SonarQubeAnalyze_6d01813a-9589-4b15-8491-8164aeb38055\4.11.0\sonar-scanner\bin\sonar-scanner.bat' failed with exit code 1