haiyang1987 commented on code in PR #6710:
URL: https://github.com/apache/hadoop/pull/6710#discussion_r1558977912
##########
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSInputStream.java:
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@@ -287,4 +300,69 @@ public void testReadWithoutPreferredCachingReplica()
throws IOException {
cluster.shutdown();
}
}
+
+ @Test
+ public void testCreateBlockReaderWhenInvalidBlockTokenException() throws
+ IOException, InterruptedException, TimeoutException {
+ GenericTestUtils.setLogLevel(DFSClient.LOG, Level.DEBUG);
+ Configuration conf = new Configuration();
+ DFSClientFaultInjector oldFaultInjector = DFSClientFaultInjector.get();
+ try (MiniDFSCluster cluster = new
MiniDFSCluster.Builder(conf).numDataNodes(3).build()) {
+ cluster.waitActive();
+ DistributedFileSystem fs = cluster.getFileSystem();
+ String file = "/testfile";
+ Path path = new Path(file);
+ long fileLen = 1024 * 64;
+ EnumSet<CreateFlag> createFlags = EnumSet.of(CREATE);
+ FSDataOutputStream out = fs.create(path, FsPermission.getFileDefault(),
createFlags,
+ fs.getConf().getInt(IO_FILE_BUFFER_SIZE_KEY, 4096), (short) 3,
+ fs.getDefaultBlockSize(path), null);
+ int bufferLen = 1024;
+ byte[] toWrite = new byte[bufferLen];
+ Random rb = new Random(0);
+ long bytesToWrite = fileLen;
+ while (bytesToWrite > 0) {
Review Comment:
here will write 5KB data, ensure that the test can seek to 1024 and read 1KB
of data.
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