add check compressor's byte size when finish compress

2017-09-26 09:54:03 +08:00 · 2017-09-26 09:54:03 +08:00 · 64ff30f360
commit 64ff30f360
parent d0b2c5850b
1 changed files with 1 additions and 1 deletions
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/compress/BlockCompressorStream.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/compress/BlockCompressorStream.java
@ -135,7 +135,7 @@ public void write(byte[] b, int off, int len) throws IOException {

  @Override
  public void finish() throws IOException {
-    if (!compressor.finished()) {
+    if (!compressor.finished() && compressor.getBytesRead() > 0) {
      rawWriteInt((int)compressor.getBytesRead());
      compressor.finish();
      while (!compressor.finished()) {