diff --git a/planetiler-core/src/main/java/com/onthegomap/planetiler/Planetiler.java b/planetiler-core/src/main/java/com/onthegomap/planetiler/Planetiler.java
index 59eef64fb3..817467d024 100644
--- a/planetiler-core/src/main/java/com/onthegomap/planetiler/Planetiler.java
+++ b/planetiler-core/src/main/java/com/onthegomap/planetiler/Planetiler.java
@@ -495,10 +495,9 @@ public Planetiler addParquetSource(String name, List<Path> paths, boolean hivePa
     for (var path : paths) {
       inputPaths.add(new InputPath(name, path, false));
     }
-    return addStage(name, "Process features in " + paths, ifSourceUsed(name, () -> {
-      new ParquetReader(name, profile, stats, getId, getLayer, hivePartitioning).process(paths, featureGroup,
-        config);
-    }));
+    return addStage(name, "Process features in " + paths,
+      ifSourceUsed(name, () -> new ParquetReader(name, profile, stats, getId, getLayer, hivePartitioning)
+        .process(paths, featureGroup, config)));
   }
 
   /**
diff --git a/planetiler-core/src/main/java/com/onthegomap/planetiler/reader/parquet/GeoArrow.java b/planetiler-core/src/main/java/com/onthegomap/planetiler/reader/parquet/GeoArrow.java
index d935ab689d..32b404ca74 100644
--- a/planetiler-core/src/main/java/com/onthegomap/planetiler/reader/parquet/GeoArrow.java
+++ b/planetiler-core/src/main/java/com/onthegomap/planetiler/reader/parquet/GeoArrow.java
@@ -20,6 +20,8 @@
  * coordinate lists to JTS geometries.
  */
 class GeoArrow {
+  private GeoArrow() {}
+
   // TODO create packed coordinate arrays while reading parquet values to avoid creating so many intermediate objects
   static MultiPolygon multipolygon(List<List<List<Object>>> list) {
     return GeoUtils.createMultiPolygon(map(list, GeoArrow::polygon));
diff --git a/planetiler-core/src/main/java/com/onthegomap/planetiler/reader/parquet/MapRecordMaterializer.java b/planetiler-core/src/main/java/com/onthegomap/planetiler/reader/parquet/MapRecordMaterializer.java
index 2de7ee0a75..b5e0470c75 100644
--- a/planetiler-core/src/main/java/com/onthegomap/planetiler/reader/parquet/MapRecordMaterializer.java
+++ b/planetiler-core/src/main/java/com/onthegomap/planetiler/reader/parquet/MapRecordMaterializer.java
@@ -345,7 +345,9 @@ public void start() {
     }
 
     @Override
-    public void end() {}
+    public void end() {
+      // don't need to do anything
+    }
   }
 
   private abstract static class Primitive extends PrimitiveConverter {
diff --git a/planetiler-core/src/main/java/org/apache/hadoop/io/compress/Lz4Codec.java b/planetiler-core/src/main/java/org/apache/hadoop/io/compress/Lz4Codec.java
index 14ea73af6e..cab23a1515 100644
--- a/planetiler-core/src/main/java/org/apache/hadoop/io/compress/Lz4Codec.java
+++ b/planetiler-core/src/main/java/org/apache/hadoop/io/compress/Lz4Codec.java
@@ -5,4 +5,5 @@
  * {@link org.apache.parquet.hadoop.metadata.CompressionCodecName} to allow deserializing parquet files that use lz4
  * compression.
  */
+@SuppressWarnings("java:S2176")
 public class Lz4Codec extends io.airlift.compress.lz4.Lz4Codec {}
diff --git a/planetiler-core/src/main/java/org/apache/parquet/filter2/predicate/Filters.java b/planetiler-core/src/main/java/org/apache/parquet/filter2/predicate/Filters.java
index 62bc6272b2..b268257327 100644
--- a/planetiler-core/src/main/java/org/apache/parquet/filter2/predicate/Filters.java
+++ b/planetiler-core/src/main/java/org/apache/parquet/filter2/predicate/Filters.java
@@ -8,6 +8,8 @@
  * their constructors are package-private.
  */
 public class Filters {
+  private Filters() {}
+
   public static Operators.DoubleColumn doubleColumn(List<String> parts) {
     return new Operators.DoubleColumn(ColumnPath.get(parts.toArray(String[]::new)));
   }
diff --git a/planetiler-core/src/test/java/com/onthegomap/planetiler/reader/parquet/ParquetInputFileTest.java b/planetiler-core/src/test/java/com/onthegomap/planetiler/reader/parquet/ParquetInputFileTest.java
index 389e031650..994b1dc42b 100644
--- a/planetiler-core/src/test/java/com/onthegomap/planetiler/reader/parquet/ParquetInputFileTest.java
+++ b/planetiler-core/src/test/java/com/onthegomap/planetiler/reader/parquet/ParquetInputFileTest.java
@@ -89,6 +89,7 @@ void testReadBostonWithBboxFilterNotCovering(Path path) {
   }
 
   @TestFactory
+  @SuppressWarnings("java:S5961")
   List<DynamicTest> testReadAllDataTypes() {
 
     /*
diff --git a/planetiler-core/src/test/java/com/onthegomap/planetiler/util/GlobTest.java b/planetiler-core/src/test/java/com/onthegomap/planetiler/util/GlobTest.java
index 05ea6583f0..7033f6068c 100644
--- a/planetiler-core/src/test/java/com/onthegomap/planetiler/util/GlobTest.java
+++ b/planetiler-core/src/test/java/com/onthegomap/planetiler/util/GlobTest.java
@@ -44,8 +44,9 @@ void testWalkPathWithPattern() throws IOException {
     Files.writeString(path, "test");
     assertEquals(List.of(path), Glob.of(tmpDir).resolve("a", "*", "c.txt").find());
     System.err.println(Glob.of(tmpDir).resolve("*", "*", "c.txt"));
-    System.err.println(Glob.of(tmpDir).resolve("**", "c.txt"));
-    System.err.println(Glob.of(tmpDir).resolve("*", "b", "c.txt"));
+    System.err.println(Glob.of(tmpDir).resolve("*", "*", "c.txt").find());
+    System.err.println(Glob.of(tmpDir).resolve("**", "c.txt").find());
+    System.err.println(Glob.of(tmpDir).resolve("*", "b", "c.txt").find());
     assertEquals(List.of(path), Glob.of(tmpDir).resolve("*", "*", "c.txt").find());
     assertEquals(List.of(path), Glob.of(tmpDir).resolve("a", "b", "c.txt").find());
   }