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HDFS-14598. Findbugs warning caused by HDFS-12487. 

Contributed by He Xiaoqiao.
This commit is contained in:
Anu Engineer 2019-06-24 15:34:11 -07:00
parent b76b843c8b
commit 041e7a7dee
1 changed files with 9 additions and 16 deletions
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25
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DiskBalancer.java
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@ -908,24 +908,17 @@ private ExtendedBlock getBlockToCopy(FsVolumeSpi.BlockIterator iter,
if(null == block){
LOG.info("NextBlock call returned null.No valid block to copy. {}",
item.toJson());
return null;
}
// A valid block is a finalized block, we iterate until we get
// finalized blocks
if (!this.dataset.isValidBlock(block)) {
continue;
}
// We don't look for the best, we just do first fit
if (isLessThanNeeded(block.getNumBytes(), item)) {
return block;
}
if (block != null) {
// A valid block is a finalized block, we iterate until we get
// finalized blocks
if (!this.dataset.isValidBlock(block)) {
continue;
}
// We don't look for the best, we just do first fit
if (isLessThanNeeded(block.getNumBytes(), item)) {
return block;
}
} else {
LOG.info("There are no blocks in the blockPool {}", iter.getBlockPoolId());
}
} catch (IOException e) {
item.incErrorCount();
}