Unable to build native image in windows for helidon example

[nagasitaramthigulla]

Environment Details

• Helidon Version: 20.2
• Helidon SE or Helidon MP
• JDK version: OpenJDK 11
• OS: Windows
• Docker version (if applicable):

---

I have downloaded GraalVM and native image in windows and followed set from https://helidon.io/docs/latest/#/mp/guides/36_graalnative
when I tried running
mvn package -Pnative-image

[WARNING] Fatal error:java.util.regex.PatternSyntaxException: Illegal/unsupported escape sequence near index 47
[WARNING] logging.properties|META-INF\beans.xml|META-INF\microprofile-config.properties|META-INF\native-image\reflect-config.json
[WARNING] ^
[WARNING] at java.base/java.util.regex.Pattern.error(Pattern.java:2027)
[WARNING] at java.base/java.util.regex.Pattern.escape(Pattern.java:2616)
[WARNING] at java.base/java.util.regex.Pattern.atom(Pattern.java:2285)
[WARNING] at java.base/java.util.regex.Pattern.sequence(Pattern.java:2209)
[WARNING] at java.base/java.util.regex.Pattern.expr(Pattern.java:2068)
[WARNING] at java.base/java.util.regex.Pattern.compile(Pattern.java:1782)
[WARNING] at java.base/java.util.regex.Pattern.(Pattern.java:1428)
[WARNING] at java.base/java.util.regex.Pattern.compile(Pattern.java:1068)
[WARNING] at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
[WARNING] at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)
[WARNING] at java.base/java.util.concurrent.ConcurrentHashMap$KeySpliterator.forEachRemaining(ConcurrentHashMap.java:3566)
[WARNING] at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
[WARNING] at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
[WARNING] at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)
[WARNING] at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
[WARNING] at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)
[WARNING] at com.oracle.svm.hosted.ResourcesFeature.duringAnalysis(ResourcesFeature.java:123)
[WARNING] at com.oracle.svm.hosted.NativeImageGenerator.lambda$runPointsToAnalysis$8(NativeImageGenerator.java:732)
[WARNING] at com.oracle.svm.hosted.FeatureHandler.forEachFeature(FeatureHandler.java:70)
[WARNING] at com.oracle.svm.hosted.NativeImageGenerator.runPointsToAnalysis(NativeImageGenerator.java:732)
[WARNING] at com.oracle.svm.hosted.NativeImageGenerator.doRun(NativeImageGenerator.java:555)
[WARNING] at com.oracle.svm.hosted.NativeImageGenerator.lambda$run$0(NativeImageGenerator.java:468)
[WARNING] at java.base/java.util.concurrent.ForkJoinTask$AdaptedRunnableAction.exec(ForkJoinTask.java:1407)
[WARNING] at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290)
[WARNING] at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1020)
[WARNING] at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1656)
[WARNING] at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1594)
[WARNING] at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183)
[WARNING] Error: Image build request failed with exit status 1

[Verdent]

Hi, this looks like a bug. I will make i fix for that.