SonarCloud for Swift: java.io.IOException: Is a directory

SonarQube Cloud
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Ambiguous error trace

12:36:57.286 INFO: 204/204 source files have been analyzed
12:36:57.298 INFO: ------------------------------------------------------------------------
12:36:57.298 INFO: EXECUTION FAILURE
12:36:57.298 INFO: ------------------------------------------------------------------------
12:36:57.465 ERROR: Error during SonarScanner execution
java.io.UncheckedIOException: java.io.IOException: Is a directory
at java.io.BufferedReader$1.hasNext(BufferedReader.java:574)
at java.util.Iterator.forEachRemaining(Iterator.java:115)
at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:566)
at com.sonar.swift.plugin.B.A(Unknown Source)
at com.sonar.swift.plugin.B.A(Unknown Source)
at com.sonar.swift.plugin.E.A(Unknown Source)
at com.sonar.swift.plugin.E.execute(Unknown Source)
at org.sonar.scanner.sensor.AbstractSensorWrapper.analyse(AbstractSensorWrapper.java:34)
at org.sonar.scanner.sensor.ModuleSensorsExecutor.execute(ModuleSensorsExecutor.java:78)
at org.sonar.scanner.sensor.ModuleSensorsExecutor.lambda$execute$1(ModuleSensorsExecutor.java:51)
at org.sonar.scanner.sensor.ModuleSensorsExecutor.withModuleStrategy(ModuleSensorsExecutor.java:69)
at org.sonar.scanner.sensor.ModuleSensorsExecutor.execute(ModuleSensorsExecutor.java:51)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.sonarsource.scanner.api.internal.IsolatedLauncherProxy.invoke(IsolatedLauncherProxy.java:60)
at com.sun.proxy.$Proxy0.execute(Unknown Source)
at org.sonarsource.scanner.api.EmbeddedScanner.doExecute(EmbeddedScanner.java:189)
at org.sonarsource.scanner.api.EmbeddedScanner.execute(EmbeddedScanner.java:138)
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)

Caused by: java.io.IOException: Is a directory
at sun.nio.ch.FileDispatcherImpl.read0(Native Method)
at sun.nio.ch.FileDispatcherImpl.read(FileDispatcherImpl.java:46)
at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223)
at sun.nio.ch.IOUtil.read(IOUtil.java:197)
at sun.nio.ch.FileChannelImpl.read(FileChannelImpl.java:159)
at sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:65)
at sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:109)
at sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:103)
at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:284)
at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:326)
at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178)
at java.io.InputStreamReader.read(InputStreamReader.java:184)
at java.io.BufferedReader.fill(BufferedReader.java:161)
at java.io.BufferedReader.readLine(BufferedReader.java:324)
at java.io.BufferedReader.readLine(BufferedReader.java:389)
at java.io.BufferedReader$1.hasNext(BufferedReader.java:571)
… 41 more

AutoScan works like a charm, except for code coverage.
Error occurs when running sonar-scanner in pipeline.
The issue seems to be connected to a Tests (folders?)
Scan runs successfully when no “sonar.sources” specified (only “sonar.tests”)

4

Hey,

Make sure that the value set for sonar.swift.coverage.reportPaths/sonar.swift.coverage.reportPathis the list of files and not directories.

I created a ticket to improve UX around this problem https://jira.sonarsource.com/browse/SONARSWIFT-452

5

Hi @Lena,

I was not using sonar.swift.coverage.reportPaths.

Replaced sonar.coverageReportPaths with sonar.swift.coverage.reportPaths did the trick.

P.S.
sonar.swift.coverage.reportPath causing the same java.io.IOException: Is a directory error.

I have made a PR in sonar-scanning-examples
I believe Docs should be updated accordingly.

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