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YARN-500. Fixed YARN webapps to not roll-over ports when explicitly asked to use non-ephemeral ports. Contributed by Kenji Kikushima. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1468739 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Vinod Kumar Vavilapalli 2013-04-17 04:16:51 +00:00
parent 9bebccc755
commit dbcda89fef
3 changed files with 31 additions and 3 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -238,6 +238,9 @@ Release 2.0.5-beta - UNRELEASED
than its host:port during scheduling which caused incorrect locality for than its host:port during scheduling which caused incorrect locality for
containers. (Roger Hoover via acmurthy) containers. (Roger Hoover via acmurthy)
YARN-500. Fixed YARN webapps to not roll-over ports when explicitly asked
to use non-ephemeral ports. (Kenji Kikushima via vinodkv)
Release 2.0.4-alpha - UNRELEASED Release 2.0.4-alpha - UNRELEASED
INCOMPATIBLE CHANGES INCOMPATIBLE CHANGES

5
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/WebApps.java
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@ -97,13 +97,14 @@ public class WebApps {
public Builder<T> at(String bindAddress) { public Builder<T> at(String bindAddress) {
String[] parts = StringUtils.split(bindAddress, ':'); String[] parts = StringUtils.split(bindAddress, ':');
if (parts.length == 2) { if (parts.length == 2) {
return at(parts[0], Integer.parseInt(parts[1]), true); int port = Integer.parseInt(parts[1]);
return at(parts[0], port, port == 0);
} }
return at(bindAddress, 0, true); return at(bindAddress, 0, true);
} }
public Builder<T> at(int port) { public Builder<T> at(int port) {
return at("0.0.0.0", port, false); return at("0.0.0.0", port, port == 0);
} }
public Builder<T> at(String address, int port, boolean findPort) { public Builder<T> at(String address, int port, boolean findPort) {

24
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/webapp/TestWebApp.java
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@ -161,6 +161,30 @@ public class TestWebApp {
app.stop(); app.stop();
} }
@Test(expected=org.apache.hadoop.yarn.webapp.WebAppException.class)
public void testCreateWithBindAddressNonZeroPort() {
WebApp app = WebApps.$for(this).at("0.0.0.0:50000").start();
int port = app.getListenerAddress().getPort();
assertEquals(50000, port);
// start another WebApp with same NonZero port
WebApp app2 = WebApps.$for(this).at("0.0.0.0:50000").start();
// An exception occurs (findPort disabled)
app.stop();
app2.stop();
}
@Test(expected=org.apache.hadoop.yarn.webapp.WebAppException.class)
public void testCreateWithNonZeroPort() {
WebApp app = WebApps.$for(this).at(50000).start();
int port = app.getListenerAddress().getPort();
assertEquals(50000, port);
// start another WebApp with same NonZero port
WebApp app2 = WebApps.$for(this).at(50000).start();
// An exception occurs (findPort disabled)
app.stop();
app2.stop();
}
@Test public void testServePaths() { @Test public void testServePaths() {
WebApp app = WebApps.$for("test", this).start(); WebApp app = WebApps.$for("test", this).start();
assertEquals("/test", app.getRedirectPath()); assertEquals("/test", app.getRedirectPath());