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HDFS-10569. A bug causes OutOfIndex error in BlockListAsLongs. Contributed by Weiwei Yang. 

(cherry picked from commit 6f63566694)

Conflicts:
	hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/protocol/TestBlockListAsLongs.java
This commit is contained in:
Kihwal Lee 2016-08-03 15:27:03 -05:00
parent 5a34fa670e
commit 1ca2ab4013
2 changed files with 20 additions and 3 deletions
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4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/BlockListAsLongs.java
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@ -468,8 +468,8 @@ public abstract class BlockListAsLongs implements Iterable<BlockReportReplica> {
long[] longs = new long[2+values.size()]; long[] longs = new long[2+values.size()];
longs[0] = finalizedBlocks; longs[0] = finalizedBlocks;
longs[1] = numBlocks - finalizedBlocks; longs[1] = numBlocks - finalizedBlocks;
for (int i=0; i < longs.length; i++) { for(int i=0; i<values.size(); i++) {
longs[i] = values.get(i); longs[2+i] = values.get(i);
} }
return longs; return longs;
} }

19
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/protocol/TestBlockListAsLongs.java
View File

@ -188,6 +188,20 @@ public class TestBlockListAsLongs {
assertTrue(reportReplicas.isEmpty()); assertTrue(reportReplicas.isEmpty());
} }
private BlockListAsLongs getBlockList(Replica ... replicas) {
int numBlocks = replicas.length;
List<Long> longs = new ArrayList<Long>(2 + numBlocks);
longs.add(Long.valueOf(numBlocks));
longs.add(0L);
for(Replica r : replicas) {
longs.add(r.getBlockId());
longs.add(r.getBytesOnDisk());
longs.add(r.getGenerationStamp());
}
BlockListAsLongs blockList = BlockListAsLongs.decodeLongs(longs);
return blockList;
}
@Test @Test
public void testCapabilitiesInited() { public void testCapabilitiesInited() {
NamespaceInfo nsInfo = new NamespaceInfo(); NamespaceInfo nsInfo = new NamespaceInfo();
@ -237,7 +251,10 @@ public class TestBlockListAsLongs {
// back up to prior version and check DN sends old-style BR // back up to prior version and check DN sends old-style BR
request.set(null); request.set(null);
nsInfo.setCapabilities(Capability.UNKNOWN.getMask()); nsInfo.setCapabilities(Capability.UNKNOWN.getMask());
nn.blockReport(reg, "pool", sbr, BlockListAsLongs blockList = getBlockList(r);
StorageBlockReport[] obp = new StorageBlockReport[] {
new StorageBlockReport(new DatanodeStorage("s1"), blockList) };
nn.blockReport(reg, "pool", obp,
new BlockReportContext(1, 0, System.nanoTime(), 0L)); new BlockReportContext(1, 0, System.nanoTime(), 0L));
proto = request.get(); proto = request.get();
assertNotNull(proto); assertNotNull(proto);