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

(cherry picked from commit 7ab754545d)
This commit is contained in:
Colin Patrick Mccabe 2014-10-23 13:25:39 -07:00
parent d3b9e9be24
commit a36fd88671
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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@ -22,6 +22,9 @@ Release 2.7.0 - UNRELEASED
HADOOP-11166. Remove ulimit from test-patch.sh. (wang) 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 Release 2.6.0 - UNRELEASED
INCOMPATIBLE CHANGES INCOMPATIBLE CHANGES

4
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/tracing/SpanReceiverHost.java
View File

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