HADOOP-8599. Non empty response from FileSystem.getFileBlockLocations when asking for data beyond the end of file. Contributed by Andrey Klochkov.
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1362295 13f79535-47bb-0310-9956-ffa450edef68
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@ -829,6 +829,9 @@ Release 0.23.3 - UNRELEASED
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HADOOP-8573. Configuration tries to read from an inputstream resource
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multiple times (Robert Evans via tgraves)
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HADOOP-8599. Non empty response from FileSystem.getFileBlockLocations when
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asking for data beyond the end of file. (Andrey Klochkov via todd)
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Release 0.23.2 - UNRELEASED
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INCOMPATIBLE CHANGES
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@ -572,7 +572,7 @@ public BlockLocation[] getFileBlockLocations(FileStatus file,
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throw new IllegalArgumentException("Invalid start or len parameter");
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}
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if (file.getLen() < start) {
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if (file.getLen() <= start) {
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return new BlockLocation[0];
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}
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@ -122,6 +122,7 @@ public void testGetFileBlockLocations1() throws IOException {
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oneTest(0, (int) status.getLen() * 2, status);
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oneTest((int) status.getLen() * 2, (int) status.getLen() * 4, status);
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oneTest((int) status.getLen() / 2, (int) status.getLen() * 3, status);
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oneTest((int) status.getLen(), (int) status.getLen() * 2, status);
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for (int i = 0; i < 10; ++i) {
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oneTest((int) status.getLen() * i / 10, (int) status.getLen() * (i + 1)
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/ 10, status);
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