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HDFS-7227. Fix findbugs warning about NP_DEREFERENCE_OF_READLINE_VALUE in SpanReceiverHost (cmccabe)

This commit is contained in:
Colin Patrick Mccabe 2014-10-23 13:25:39 -07:00
parent 86cad007d7
commit 7ab754545d
2 changed files with 7 additions and 0 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
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@ -365,6 +365,9 @@ Release 2.7.0 - UNRELEASED
HADOOP-11166. Remove ulimit from test-patch.sh. (wang)
HDFS-7227. Fix findbugs warning about NP_DEREFERENCE_OF_READLINE_VALUE in
SpanReceiverHost (cmccabe)
Release 2.6.0 - UNRELEASED
INCOMPATIBLE CHANGES

4
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/tracing/SpanReceiverHost.java
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@ -19,6 +19,7 @@ package org.apache.hadoop.tracing;
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.EOFException;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
@ -101,6 +102,9 @@ public class SpanReceiverHost implements TraceAdminProtocol {
reader = new BufferedReader(
new InputStreamReader(new FileInputStream("/proc/self/stat")));
String line = reader.readLine();
if (line == null) {
throw new EOFException();
}
nonce = line.split(" ")[0];
} catch (IOException e) {
} finally {