update

Author: liuxiaocs7

hbase-compression/hbase-compression-zstd/src/main/java/org/apache/hadoop/hbase/io/compress/zstd/ZstdByteBuffDecompressor.java

@@ -19,7 +19,6 @@
 
 import com.github.luben.zstd.ZstdDecompressCtx;
 import com.github.luben.zstd.ZstdDictDecompress;
-import edu.umd.cs.findbugs.annotations.Nullable;
 import java.io.IOException;
 import java.nio.ByteBuffer;
 import org.apache.hadoop.hbase.io.compress.BlockDecompressorHelper;
@@ -28,6 +27,7 @@
 import org.apache.hadoop.hbase.nio.ByteBuff;
 import org.apache.hadoop.hbase.nio.SingleByteBuff;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.checkerframework.checker.nullness.qual.Nullable;
 
 /**
  * Glue for ByteBuffDecompressor on top of zstd-jni
@@ -96,7 +96,7 @@ private int decompressRaw(ByteBuff output, ByteBuff input, int inputLen) throws
   }
 
   @Override
-  public void reinit(@Nullable Compression.HFileDecompressionContext newHFileDecompressionContext) {
+  public void reinit(Compression.@Nullable HFileDecompressionContext newHFileDecompressionContext) {
     if (newHFileDecompressionContext != null) {
       if (newHFileDecompressionContext instanceof ZstdHFileDecompressionContext) {
         ZstdHFileDecompressionContext zstdContext =

hbase-compression/hbase-compression-zstd/src/main/java/org/apache/hadoop/hbase/io/compress/zstd/ZstdCodec.java

@@ -19,7 +19,6 @@
 
 import com.github.luben.zstd.Zstd;
 import com.github.luben.zstd.ZstdDictDecompress;
-import edu.umd.cs.findbugs.annotations.Nullable;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
@@ -43,6 +42,7 @@
 import org.apache.hadoop.io.compress.Compressor;
 import org.apache.hadoop.io.compress.Decompressor;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.checkerframework.checker.nullness.qual.Nullable;
 
 import org.apache.hbase.thirdparty.com.google.common.cache.Cache;
 import org.apache.hbase.thirdparty.com.google.common.cache.CacheBuilder;

hbase-compression/hbase-compression-zstd/src/main/java/org/apache/hadoop/hbase/io/compress/zstd/ZstdHFileDecompressionContext.java

@@ -18,13 +18,13 @@
 package org.apache.hadoop.hbase.io.compress.zstd;
 
 import com.github.luben.zstd.ZstdDictDecompress;
-import edu.umd.cs.findbugs.annotations.Nullable;
 import java.io.IOException;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.io.compress.Compression;
 import org.apache.hadoop.hbase.util.ClassSize;
 import org.apache.hadoop.hbase.util.Pair;
 import org.apache.yetus.audience.InterfaceAudience;
+import org.checkerframework.checker.nullness.qual.Nullable;
 
 /**
  * Holds HFile-level settings used by ZstdByteBuffDecompressor. It's expensive to pull these from a