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HADOOP-12117. Potential NPE from Configuration#loadProperty with allowNullValueProperties set. (Contributed by zhihai xu) 

(cherry picked from commit 99c8c5839b)

Conflicts:
	hadoop-common-project/hadoop-common/CHANGES.txt
	hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/conf/TestConfiguration.java
This commit is contained in:
Vinayakumar B 2015-07-07 16:11:27 +05:30
parent f558429efe
commit c5c0577248
3 changed files with 20 additions and 4 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
View File

@ -442,6 +442,9 @@ Release 2.8.0 - UNRELEASED
HADOOP-12185. NetworkTopology is not efficient adding/getting/removing
nodes. (Inigo Goiri via cdouglas)
HADOOP-12117. Potential NPE from Configuration#loadProperty with
allowNullValueProperties set. (zhihai xu via vinayakumarb)
Release 2.7.2 - UNRELEASED
INCOMPATIBLE CHANGES

8
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java
View File

@ -2656,14 +2656,14 @@ public class Configuration implements Iterable<Map.Entry<String,String>>,
to.put(entry.getKey(), entry.getValue());
}
}
private void loadProperty(Properties properties, String name, String attr,
String value, boolean finalParameter, String[] source) {
if (value != null || allowNullValueProperties) {
if (value == null) {
value = DEFAULT_STRING_CHECK;
}
if (!finalParameters.contains(attr)) {
if (value==null && allowNullValueProperties) {
value = DEFAULT_STRING_CHECK;
}
properties.setProperty(attr, value);
if(source != null) {
updatingResource.put(attr, source);

13
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/conf/TestConfiguration.java
View File

@ -1355,6 +1355,19 @@ public class TestConfiguration extends TestCase {
// it's expected behaviour.
}
public void testNullValueProperties() throws Exception {
Configuration conf = new Configuration();
conf.setAllowNullValueProperties(true);
out = new BufferedWriter(new FileWriter(CONFIG));
startConfig();
appendProperty("attr", "value", true);
appendProperty("attr", "", true);
endConfig();
Path fileResource = new Path(CONFIG);
conf.addResource(fileResource);
assertEquals("value", conf.get("attr"));
}
public static void main(String[] argv) throws Exception {
junit.textui.TestRunner.main(new String[]{
TestConfiguration.class.getName()