There is a NullPointerException while probing the compiler in sonar-scanner when the build was run with clang-tidy. Obviously, the arguments do not fit for clang-tidy, but only for the “real” compiler. However, I don’t know where sonar-scanner exactly gets the information on the compiler executable.
Template for a good bug report, formatted with Markdown:
- versions used (SonarQube, Scanner, Plugin, and any relevant extension): sonar-scanner 3.3.0, sonarcloud
- error observed (wrap logs/code around triple quote ``` for proper formatting): see https://travis-ci.org/sigiesec/libzmq/jobs/500265098#L7414:
10:32:21.525 DEBUG: Probing compiler: [/usr/lib/llvm-7/bin/clang-tidy, -x, c++, --std, gnu++11, -v, -dM, -E, -]
10:32:21.550 DEBUG: stdout:
10:32:21.550 DEBUG: stderr:
LLVM ERROR: CommonOptionsParser: failed to parse command-line arguments. [CommonOptionsParser]: clang-tidy: Unknown command line argument '-x'. Try: '/usr/lib/llvm-7/bin/clang-tidy -help'
clang-tidy: Did you mean '-h'?
clang-tidy: Unknown command line argument '--std'. Try: '/usr/lib/llvm-7/bin/clang-tidy -help'
clang-tidy: Did you mean '-h'?
clang-tidy: Unknown command line argument '-v'. Try: '/usr/lib/llvm-7/bin/clang-tidy -help'
clang-tidy: Did you mean '-h'?
clang-tidy: Unknown command line argument '-dM'. Try: '/usr/lib/llvm-7/bin/clang-tidy -help'
clang-tidy: Did you mean '-h'?
clang-tidy: Unknown command line argument '-E'. Try: '/usr/lib/llvm-7/bin/clang-tidy -help'
clang-tidy: Did you mean '-h'?
10:32:21.655 INFO: ------------------------------------------------------------------------
10:32:21.656 INFO: EXECUTION FAILURE
10:32:21.657 INFO: ------------------------------------------------------------------------
10:32:21.659 INFO: Total time: 53.871s
10:32:21.823 INFO: Final Memory: 25M/208M
10:32:21.823 INFO: ------------------------------------------------------------------------
10:32:21.823 ERROR: Error during SonarQube Scanner execution
java.lang.NullPointerException
at com.sonar.cpp.analyzer.StdFlags.fromCppMacros(StdFlags.java:23)
at com.sonar.cpp.analyzer.ClangDriver.onCapture(ClangDriver.java:332)
at com.sonar.cpp.plugin.CFamilySensor.process(CFamilySensor.java:266)
at com.sonar.cpp.plugin.CFamilySensor.execute(CFamilySensor.java:198)
at org.sonar.scanner.sensor.AbstractSensorWrapper.analyse(AbstractSensorWrapper.java:48)
at org.sonar.scanner.sensor.ModuleSensorsExecutor.execute(ModuleSensorsExecutor.java:85)
at org.sonar.scanner.sensor.ModuleSensorsExecutor.execute(ModuleSensorsExecutor.java:62)
at org.sonar.scanner.scan.ModuleScanContainer.doAfterStart(ModuleScanContainer.java:82)
at org.sonar.core.platform.ComponentContainer.startComponents(ComponentContainer.java:136)
at org.sonar.core.platform.ComponentContainer.execute(ComponentContainer.java:122)
at org.sonar.scanner.scan.ProjectScanContainer.scan(ProjectScanContainer.java:367)
at org.sonar.scanner.scan.ProjectScanContainer.scanRecursively(ProjectScanContainer.java:362)
at org.sonar.scanner.scan.ProjectScanContainer.doAfterStart(ProjectScanContainer.java:325)
at org.sonar.core.platform.ComponentContainer.startComponents(ComponentContainer.java:136)
at org.sonar.core.platform.ComponentContainer.execute(ComponentContainer.java:122)
at org.sonar.scanner.bootstrap.GlobalContainer.doAfterStart(GlobalContainer.java:130)
at org.sonar.core.platform.ComponentContainer.startComponents(ComponentContainer.java:136)
at org.sonar.core.platform.ComponentContainer.execute(ComponentContainer.java:122)
at org.sonar.batch.bootstrapper.Batch.doExecute(Batch.java:73)
at org.sonar.batch.bootstrapper.Batch.execute(Batch.java:67)
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)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
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:185)
at org.sonarsource.scanner.api.EmbeddedScanner.execute(EmbeddedScanner.java:137)
at org.sonarsource.scanner.cli.Main.execute(Main.java:111)
at org.sonarsource.scanner.cli.Main.execute(Main.java:75)
at org.sonarsource.scanner.cli.Main.main(Main.java:61)
- steps to reproduce:
run travis-ci analysis build from https://github.com/sigiesec/libzmq/commit/dc805aba4b8d4026cb8e8b438e5c4db3950be834 - potential workaround: maybe it is possible to override the compiler, such that it can be correctly probed?