guiyanakuang commented on a change in pull request #924:
URL: https://github.com/apache/orc/pull/924#discussion_r725661709
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File path: java/core/src/java/org/apache/orc/impl/RecordReaderUtils.java
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@@ -414,7 +414,15 @@ static void readRanges(FSDataInputStream file,
long offset = first.getOffset();
int readSize = (int) (computeEnd(first, last) - offset);
byte[] buffer = new byte[readSize];
- file.readFully(offset, buffer, 0, buffer.length);
+ try {
+ file.readFully(offset, buffer, 0, buffer.length);
+ } catch(IOException e) {
+ throw new IOException(String.format("Failed while reading %s %d:%d",
+ file,
Review comment:
https://github.com/apache/orc/blob/93b7aa67830104d6bd7fc55399947ee938549f55/java/core/src/java/org/apache/orc/impl/RecordReaderUtils.java#L99-L104
Hey guys @omalley @dongjoon-hyun @autumnust
It looks better to refer to the `readFileData` on the exception catch,
because here we can get the path variable directly
Call chain
`readFileData`---->`readDiskRanges`----->`readRanges`
`readFileData`---->`readDiskRanges`----->`zeroCopyReadRanges`
And the parallel `zeroCopyReadRanges` method allows us to catch exceptions
and print information about them.
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