ResourceOracleImpl.findResource doesn't work on Windows

[treblereel]

Caused by: java.lang.IllegalArgumentException: Invalid relative name: org\kie\workbench\common\stunner\client\widgets\dialog/ConfirmationDialogImplView.css
at com.sun.tools.javac.file.JavacFileManager.getFileForInput (JavacFileManager.java:781)
at com.sun.tools.javac.main.DelegatingJavaFileManager.getFileForInput (DelegatingJavaFileManager.java:122)
at com.sun.tools.javac.processing.JavacFiler.getResource (JavacFiler.java:579)
at io.crysknife.generator.context.oracle.ResourceOracleImpl.findResource (ResourceOracleImpl.java:146)
at io.crysknife.generator.context.oracle.ResourceOracleImpl.findResource (ResourceOracleImpl.java:124)
at io.crysknife.generator.context.oracle.ResourceOracleImpl.findResource (ResourceOracleImpl.java:101)
at io.crysknife.ui.templates.generator.TemplatedGenerator.getStylesheet (TemplatedGenerator.java:229)
at io.crysknife.ui.templates.generator.TemplatedGenerator.processType (TemplatedGenerator.java:285)
at io.crysknife.generator.ScopedBeanGenerator.generateDependantFieldDeclaration(ScopedBeanGenerator.java:274)
at io.crysknife.generator.ScopedBeanGenerator.generate(ScopedBeanGenerator.java:102)
at io.crysknife.generator.ScopedBeanGenerator.generate(ScopedBeanGenerator.java:81)
at io.crysknife.generator.api.ClassBuilder.lambda$build$0(ClassBuilder.java:56)
at java.base/java.util.Optional.ifPresent(Optional.java:183)
at io.crysknife.generator.api.ClassBuilder.build(ClassBuilder.java:56)
at io.crysknife.generator.FactoryGenerator.execute(FactoryGenerator.java:61)
at io.crysknife.task.TaskGroup.execute(TaskGroup.java:41)
at io.crysknife.ApplicationProcessor.process(ApplicationProcessor.java:94)
at jdk.compiler/com.sun.tools.javac.processing.JavacProcessingEnvironment.callProcessor(JavacProcessingEnvironment.java:985)
at jdk.compiler/com.sun.tools.javac.processing.JavacProcessingEnvironment.discoverAndRunProcs(JavacProcessingEnvironment.java:901)
at jdk.compiler/com.sun.tools.javac.processing.JavacProcessingEnvironment$Round.run(JavacProcessingEnvironment.java:1227)
at jdk.compiler/com.sun.tools.javac.processing.JavacProcessingEnvironment.doProcessing(JavacProcessingEnvironment.java:1340)
at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.processAnnotations(JavaCompiler.java:1258)
at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:936)
at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.lambda$doCall$0(JavacTaskImpl.java:104)
at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.handleExceptions(JavacTaskImpl.java:147)
... 12 more
java.lang.RuntimeException
at com.vertispan.j2cl.build.DiskCache.markFailed(DiskCache.java:452)
at com.vertispan.j2cl.build.DiskCache$CacheResult.markFailure(DiskCache.java:54)
at com.vertispan.j2cl.build.TaskScheduler$2.executeTask(TaskScheduler.java:181)
at com.vertispan.j2cl.build.TaskScheduler$2.lambda$onReady$0(TaskScheduler.java:211)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:829)
at io.crysknife.ui.templates.generator.TemplatedGenerator.generate (TemplatedGenerator.java:187)
at io.crysknife.ui.templates.generator.TemplatedGenerator.generate (TemplatedGenerator.java:89)
at io.crysknife.generator.ScopedBeanGenerator.lambda$generateDependantFieldDeclaration$4 (ScopedBeanGenerator.java:274)
at java.util.stream.ForEachOps$ForEachOp$OfRef.accept (ForEachOps.java:183)
at java.util.stream.SortedOps$SizedRefSortingSink.end (SortedOps.java:357)
at java.util.stream.AbstractPipeline.copyInto (AbstractPipeline.java:485)
at java.util.stream.AbstractPipeline.wrapAndCopyInto (AbstractPipeline.java:474)
at java.util.stream.ForEachOps$ForEachOp.evaluateSequential (ForEachOps.java:150)
at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential (ForEachOps.java:173)
at java.util.stream.AbstractPipeline.evaluate (AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.forEach (ReferencePipeline.java:497)
at io.crysknife.generator.ScopedBeanGenerator.generateDependantFieldDeclaration (ScopedBeanGenerator.java:274)
at io.crysknife.generator.ScopedBeanGenerator.generate (ScopedBeanGenerator.java:102)
at io.crysknife.generator.ScopedBeanGenerator.generate (ScopedBeanGenerator.java:81)
at io.crysknife.generator.api.ClassBuilder.lambda$build$0 (ClassBuilder.java:56)
at java.util.Optional.ifPresent (Optional.java:183)
at io.crysknife.generator.api.ClassBuilder.build (ClassBuilder.java:56)
at io.crysknife.generator.FactoryGenerator.execute (FactoryGenerator.java:61)
at io.crysknife.task.TaskGroup.execute (TaskGroup.java:41)
at io.crysknife.ApplicationProcessor.process (ApplicationProcessor.java:94)
at com.sun.tools.javac.processing.JavacProcessingEnvironment.callProcessor (JavacProcessingEnvironment.java:985)
at com.sun.tools.javac.processing.JavacProcessingEnvironment.discoverAndRunProcs (JavacProcessingEnvironment.java:901)
at com.sun.tools.javac.processing.JavacProcessingEnvironment$Round.run (JavacProcessingEnvironment.java:1227)
at com.sun.tools.javac.processing.JavacProcessingEnvironment.doProcessing (JavacProcessingEnvironment.java:1340)
at com.sun.tools.javac.main.JavaCompiler.processAnnotations (JavaCompiler.java:1258)
at com.sun.tools.javac.main.JavaCompiler.compile (JavaCompiler.java:936)
at com.sun.tools.javac.api.JavacTaskImpl.lambda$doCall$0 (JavacTaskImpl.java:104)
at com.sun.tools.javac.api.JavacTaskImpl.handleExceptions (JavacTaskImpl.java:147)
at com.sun.tools.javac.api.JavacTaskImpl.doCall (JavacTaskImpl.java:100)
at com.sun.tools.javac.api.JavacTaskImpl.call (JavacTaskImpl.java:94)
at com.vertispan.j2cl.tools.Javac.compile (Javac.java:69)
at com.vertispan.j2cl.build.provided.BytecodeTask.lambda$resolve$3 (BytecodeTask.java:99)
at com.vertispan.j2cl.build.TaskScheduler$2.executeTask (TaskScheduler.java:172)
at com.vertispan.j2cl.build.TaskScheduler$2.lambda$onReady$0 (TaskScheduler.java:211)
at java.util.concurrent.Executors$RunnableAdapter.call (Executors.java:515)
at java.util.concurrent.FutureTask.run (FutureTask.java:264)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run (ScheduledThreadPoolExecutor.java:304)
at java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1128)
at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:628)
at java.lang.Thread.run (Thread.java:829)