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HADOOP-13605. Clean up FileSystem javadocs, logging; improve diagnostics on FS load. Contributed by Steve Loughran

This commit is contained in:
Mingliang Liu 2016-11-23 16:45:03 -08:00
parent 4379658042
commit 57b17ae800
3 changed files with 907 additions and 557 deletions
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1074
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileSystem.java
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File diff suppressed because it is too large Load Diff

2
hadoop-common-project/hadoop-common/src/site/markdown/filesystem/filesystem.md
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@ -416,7 +416,7 @@ If the filesystem is not location aware, it SHOULD return
BlockLocation(["localhost:50010"] , BlockLocation(["localhost:50010"] ,
["localhost"], ["localhost"],
["/default/localhost"] ["/default/localhost"]
0, F.getLen()) 0, f.getLen())
] ; ] ;

6
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestFileSystemCaching.java
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@ -95,16 +95,14 @@ public class TestFileSystemCaching {
try { try {
fs = FileSystem.get(URI.create("//host"), conf); fs = FileSystem.get(URI.create("//host"), conf);
fail("got fs with auth but no scheme"); fail("got fs with auth but no scheme");
} catch (Exception e) { } catch (UnsupportedFileSystemException e) {
assertEquals("No FileSystem for scheme: null", e.getMessage());
} }
// no scheme, different auth // no scheme, different auth
try { try {
fs = FileSystem.get(URI.create("//host2"), conf); fs = FileSystem.get(URI.create("//host2"), conf);
fail("got fs with auth but no scheme"); fail("got fs with auth but no scheme");
} catch (Exception e) { } catch (UnsupportedFileSystemException e) {
assertEquals("No FileSystem for scheme: null", e.getMessage());
} }
} }