From 74916100ff6956c3ea590be5dbbb3fafed2a66ac Mon Sep 17 00:00:00 2001
From: Paolo Di Tommaso <paolo.ditommaso@gmail.com>
Date: Mon, 20 Dec 2021 18:42:19 +0100
Subject: [PATCH] Fix cross compilation error

---
 .../com/upplication/s3fs/S3OutputStream.java    | 14 ++++++++++----
 .../com/upplication/s3fs/ng/ChunkBuffer.java    | 17 ++++++-----------
 2 files changed, 16 insertions(+), 15 deletions(-)

diff --git a/plugins/nf-amazon/src/main/com/upplication/s3fs/S3OutputStream.java b/plugins/nf-amazon/src/main/com/upplication/s3fs/S3OutputStream.java
index 8c04015912..4db9181e70 100644
--- a/plugins/nf-amazon/src/main/com/upplication/s3fs/S3OutputStream.java
+++ b/plugins/nf-amazon/src/main/com/upplication/s3fs/S3OutputStream.java
@@ -211,7 +211,9 @@ private ByteBuffer expandBuffer(ByteBuffer byteBuffer) {
         final float expandFactor = 2.5f;
         final int newCapacity = Math.min( (int)(byteBuffer.capacity() * expandFactor), chunkSize );
 
-        byteBuffer.flip();
+        // cast to prevent Java 8 / Java 11 cross compile-runtime error
+        // https://www.morling.dev/blog/bytebuffer-and-the-dreaded-nosuchmethoderror/
+        ((java.nio.Buffer)byteBuffer).flip();
         ByteBuffer expanded = ByteBuffer.allocate(newCapacity);
         expanded.order(byteBuffer.order());
         expanded.put(byteBuffer);
@@ -434,8 +436,10 @@ private InitiateMultipartUploadResult initiateMultipartUpload() throws IOExcepti
      * @throws IOException
      */
     private void uploadPart( final ByteBuffer buf, final byte[] checksum, final int partNumber, final boolean lastPart ) throws IOException {
-        buf.flip();
-        buf.mark();
+        // cast to prevent Java 8 / Java 11 cross compile-runtime error
+        // https://www.morling.dev/blog/bytebuffer-and-the-dreaded-nosuchmethoderror/
+        ((java.nio.Buffer)buf).flip();
+        ((java.nio.Buffer)buf).mark();
 
         int attempt=0;
         boolean success=false;
@@ -545,7 +549,9 @@ private void completeMultipartUpload() throws IOException {
      * @throws IOException
      */
     private void putObject(ByteBuffer buf, byte[] checksum) throws IOException {
-        buf.flip();
+        // cast to prevent Java 8 / Java 11 cross compile-runtime error
+        // https://www.morling.dev/blog/bytebuffer-and-the-dreaded-nosuchmethoderror/
+        ((java.nio.Buffer)buf).flip();
         putObject(new ByteBufferInputStream(buf), buf.limit(), checksum);
     }
 
diff --git a/plugins/nf-amazon/src/main/com/upplication/s3fs/ng/ChunkBuffer.java b/plugins/nf-amazon/src/main/com/upplication/s3fs/ng/ChunkBuffer.java
index 45f2fe6966..6f2bd46ada 100644
--- a/plugins/nf-amazon/src/main/com/upplication/s3fs/ng/ChunkBuffer.java
+++ b/plugins/nf-amazon/src/main/com/upplication/s3fs/ng/ChunkBuffer.java
@@ -42,7 +42,6 @@ public class ChunkBuffer implements Comparable<ChunkBuffer> {
         this.index = index;
     }
 
-
     int getIndex() {
         return index;
     }
@@ -64,19 +63,15 @@ void fill(InputStream stream) throws IOException {
     }
 
     void makeReadable() {
-        target.flip();
-    }
-
-    void mark() {
-        target.mark();
-    }
-
-    void reset() {
-        target.reset();
+        // cast to prevent Java 8 / Java 11 cross compile-runtime error
+        // https://www.morling.dev/blog/bytebuffer-and-the-dreaded-nosuchmethoderror/
+        ((java.nio.Buffer)target).flip();
     }
 
     void clear() {
-        target.clear();
+        // cast to prevent Java 8 / Java 11 cross compile-runtime error
+        // https://www.morling.dev/blog/bytebuffer-and-the-dreaded-nosuchmethoderror/
+        ((java.nio.Buffer)target).clear();
     }
 
     int getBytes( byte[] buff, int off, int len ) {