Fix versions

Author: Katia Aresti

docs-maven-plugin/pom.xml

@@ -3,10 +3,16 @@
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <relativePath>../../pom.xml</relativePath>
+        <version>16.2.0-SNAPSHOT</version>
+        <groupId>org.infinispan.tutorial.simple</groupId>
+        <artifactId>infinispan-simple-tutorials</artifactId>
+    </parent>
 
    <groupId>org.infinispan.tutorial.simple</groupId>
    <artifactId>docs-maven-plugin</artifactId>
-   <version>16.1.3</version>
+   <version>16.2.0-SNAPSHOT</version>
    <packaging>jar</packaging>
 
    <properties>

docs-maven-plugin/src/main/java/org/infinispan/tutorial/docs/GuideMetadataGenerator.java

@@ -51,6 +51,13 @@ public static void main(String[] args) throws Exception {
    public void generate() throws IOException {
       List<Map<String, Object>> guides = new ArrayList<>();
       Path guidesOutputDir = outputDir.resolve("guides");
+      if (Files.exists(guidesOutputDir)) {
+         try (Stream<Path> files = Files.list(guidesOutputDir)) {
+            files.forEach(f -> {
+               try { Files.delete(f); } catch (IOException ignored) {}
+            });
+         }
+      }
       Files.createDirectories(guidesOutputDir);
 
       Options options = Options.builder()