HADOOP-8362. Improve exception message when Configuration.set() is called with a null key or value. Contributed by Madhukara Phatak and Suresh Srinivas (harsh)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1361712 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Harsh J 2012-07-15 15:07:02 +00:00
parent 2eb39c55d6
commit 385f31ad85
3 changed files with 32 additions and 0 deletions

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@ -254,6 +254,10 @@ Branch-2 ( Unreleased changes )
HADOOP-8541. Better high-percentile latency metrics. (Andrew Wang via atm)
HADOOP-8362. Improve exception message when Configuration.set() is
called with a null key or value. (Madhukara Phatak
and Suresh Srinivas via harsh)
BUG FIXES
HADOOP-8372. NetUtils.normalizeHostName() incorrectly handles hostname

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@ -84,6 +84,7 @@ import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.Text;
import org.xml.sax.SAXException;
import com.google.common.base.Preconditions;
/**
* Provides access to configuration parameters.
@ -781,8 +782,15 @@ public class Configuration implements Iterable<Map.Entry<String,String>>,
* @param value property value.
* @param source the place that this configuration value came from
* (For debugging).
* @throws IllegalArgumentException when the value or name is null.
*/
public void set(String name, String value, String source) {
Preconditions.checkArgument(
name != null,
"Property name must not be null");
Preconditions.checkArgument(
value != null,
"Property value must not be null");
if (deprecatedKeyMap.isEmpty()) {
getProps();
}

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@ -1065,6 +1065,26 @@ public class TestConfiguration extends TestCase {
"Not returning expected number of classes. Number of returned classes ="
+ classes.length, 0, classes.length);
}
public void testSettingValueNull() throws Exception {
Configuration config = new Configuration();
try {
config.set("testClassName", null);
fail("Should throw an IllegalArgumentException exception ");
} catch (Exception e) {
assertTrue(e instanceof IllegalArgumentException);
}
}
public void testSettingKeyNull() throws Exception {
Configuration config = new Configuration();
try {
config.set(null, "test");
fail("Should throw an IllegalArgumentException exception ");
} catch (Exception e) {
assertTrue(e instanceof IllegalArgumentException);
}
}
public void testInvalidSubstitutation() {
String key = "test.random.key";