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From ey...@apache.org
Subject [hadoop] branch trunk updated: YARN-9554. Fixed TimelineEntity DAO serialization handling. Contributed by Prabhu Joseph
Date Thu, 16 May 2019 20:40:02 GMT
This is an automated email from the ASF dual-hosted git repository.

eyang pushed a commit to branch trunk
in repository https://gitbox.apache.org/repos/asf/hadoop.git


The following commit(s) were added to refs/heads/trunk by this push:
     new fab5b80  YARN-9554.  Fixed TimelineEntity DAO serialization handling.           
 Contributed by Prabhu Joseph
fab5b80 is described below

commit fab5b80a36bad90e03f7e5e37ded47d67d6e2e81
Author: Eric Yang <eyang@apache.org>
AuthorDate: Thu May 16 16:35:54 2019 -0400

    YARN-9554.  Fixed TimelineEntity DAO serialization handling.
                Contributed by Prabhu Joseph
---
 .../webapp/ContextFactory.java                     | 91 +++++++++++++++++++---
 .../webapp/TestAHSWebServices.java                 | 11 ---
 .../timeline/webapp/TestTimelineWebServices.java   | 21 +++++
 3 files changed, 102 insertions(+), 21 deletions(-)

diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/webapp/ContextFactory.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/webapp/ContextFactory.java
index 67668a9..ff52324 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/webapp/ContextFactory.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/webapp/ContextFactory.java
@@ -1,3 +1,4 @@
+
 /**
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
@@ -18,34 +19,104 @@
 
 package org.apache.hadoop.yarn.server.applicationhistoryservice.webapp;
 
+import org.apache.hadoop.yarn.api.records.timeline.TimelineEntity;
+import org.apache.hadoop.yarn.api.records.timeline.TimelineEntities;
+import org.apache.hadoop.yarn.api.records.timeline.TimelineDomain;
+import org.apache.hadoop.yarn.api.records.timeline.TimelineDomains;
+import org.apache.hadoop.yarn.api.records.timeline.TimelineEvents;
+import org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse;
+import org.apache.hadoop.yarn.server.webapp.dao.AppInfo;
+import org.apache.hadoop.yarn.server.webapp.dao.AppsInfo;
+import org.apache.hadoop.yarn.server.webapp.dao.AppAttemptInfo;
+import org.apache.hadoop.yarn.server.webapp.dao.AppAttemptsInfo;
+import org.apache.hadoop.yarn.server.webapp.dao.ContainerInfo;
+import org.apache.hadoop.yarn.server.webapp.dao.ContainersInfo;
+import org.apache.hadoop.yarn.webapp.RemoteExceptionData;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Set;
+import java.util.HashSet;
+import java.util.Arrays;
 import java.util.Map;
 import java.lang.reflect.Method;
 import javax.xml.bind.JAXBContext;
+import javax.xml.bind.JAXBException;
 
 /**
  * ContextFactory to reuse JAXBContextImpl for DAO Classes.
  */
 public final class ContextFactory {
 
-  private static JAXBContext jaxbContext;
+  private static final Logger LOG =
+      LoggerFactory.getLogger(ContextFactory.class);
+
+  private static JAXBContext cacheContext;
+
+  // All the dao classes from TimelineWebService and AHSWebService
+  // added except TimelineEntity and TimelineEntities
+  private static final Class[] CTYPES = {AppInfo.class, AppsInfo.class,
+      AppAttemptInfo.class, AppAttemptsInfo.class, ContainerInfo.class,
+      ContainersInfo.class, RemoteExceptionData.class, TimelineDomain.class,
+      TimelineDomains.class, TimelineEvents.class, TimelinePutResponse.class};
+  private static final Set<Class> CLASS_SET =
+      new HashSet<>(Arrays.asList(CTYPES));
+
+  // TimelineEntity has java.util.Set interface which JAXB
+  // can't handle and throws IllegalAnnotationExceptions
+  private static final Class[] IGNORE_TYPES = {TimelineEntity.class,
+      TimelineEntities.class};
+  private static final Set<Class> IGNORE_SET =
+      new HashSet<>(Arrays.asList(IGNORE_TYPES));
+
+  private static JAXBException je =
+      new JAXBException("TimelineEntity and TimelineEntities has " +
+      "IllegalAnnotation");
+
+  private static StackTraceElement[] stackTrace = new StackTraceElement[]{
+      new StackTraceElement(ContextFactory.class.getName(),
+      "createContext", "ContextFactory.java", -1)};
 
   private ContextFactory() {
   }
 
+  public static JAXBContext newContext(Class[] classes,
+      Map<String, Object> properties) throws Exception {
+    Class spFactory = Class.forName(
+        "com.sun.xml.internal.bind.v2.ContextFactory");
+    Method m = spFactory.getMethod("createContext", Class[].class, Map.class);
+    return (JAXBContext) m.invoke((Object) null, classes, properties);
+  }
+
   // Called from WebComponent.service
   public static JAXBContext createContext(Class[] classes,
       Map<String, Object> properties) throws Exception {
-    synchronized (ContextFactory.class) {
-      if (jaxbContext == null) {
-        Class spFactory = Class.forName(
-            "com.sun.xml.internal.bind.v2.ContextFactory");
-        Method m = spFactory.getMethod("createContext", Class[].class,
-            Map.class);
-        jaxbContext = (JAXBContext) m.invoke((Object) null, classes,
-            properties);
+    for (Class c : classes) {
+      if (IGNORE_SET.contains(c)) {
+        je.setStackTrace(stackTrace);
+        throw je;
+      }
+      if (!CLASS_SET.contains(c)) {
+        try {
+          return newContext(classes, properties);
+        } catch (Exception e) {
+          LOG.warn("Error while Creating JAXBContext", e);
+          throw e;
+        }
+      }
+    }
+
+    try {
+      synchronized (ContextFactory.class) {
+        if (cacheContext == null) {
+          cacheContext = newContext(CTYPES, properties);
+        }
       }
+    } catch(Exception e) {
+      LOG.warn("Error while Creating JAXBContext", e);
+      throw e;
     }
-    return jaxbContext;
+    return cacheContext;
   }
 
   // Called from WebComponent.init
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/test/java/org/apache/hadoop/yarn/server/applicationhistoryservice/webapp/TestAHSWebServices.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/test/java/org/apache/hadoop/yarn/server/applicationhistoryservice/webapp/TestAHSWebServices.java
index 65bd005..492e453 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/test/java/org/apache/hadoop/yarn/server/applicationhistoryservice/webapp/TestAHSWebServices.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/test/java/org/apache/hadoop/yarn/server/applicationhistoryservice/webapp/TestAHSWebServices.java
@@ -29,14 +29,12 @@ import java.net.URI;
 import java.net.URL;
 import java.util.Arrays;
 import java.util.Collection;
-import java.util.Collections;
 import java.util.List;
 import java.util.Properties;
 
 import javax.servlet.FilterConfig;
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServletResponse;
-import javax.xml.bind.JAXBContext;
 import javax.ws.rs.core.MediaType;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.hadoop.conf.Configuration;
@@ -952,15 +950,6 @@ public class TestAHSWebServices extends JerseyTestBase {
         String.valueOf(content.length()));
   }
 
-  @Test
-  public void testContextFactory() throws Exception {
-    JAXBContext jaxbContext1 = ContextFactory.createContext(
-        new Class[]{}, Collections.EMPTY_MAP);
-    JAXBContext jaxbContext2 = ContextFactory.createContext(
-        new Class[]{}, Collections.EMPTY_MAP);
-    assertEquals(jaxbContext1, jaxbContext2);
-  }
-
   private static String getRedirectURL(String url) {
     String redirectUrl = null;
     try {
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/test/java/org/apache/hadoop/yarn/server/timeline/webapp/TestTimelineWebServices.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/test/java/org/apache/hadoop/yarn/server/timeline/webapp/TestTimelineWebServices.java
index d8161bb..c8f9eb2 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/test/java/org/apache/hadoop/yarn/server/timeline/webapp/TestTimelineWebServices.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/test/java/org/apache/hadoop/yarn/server/timeline/webapp/TestTimelineWebServices.java
@@ -19,6 +19,7 @@
 package org.apache.hadoop.yarn.server.timeline.webapp;
 
 import static org.apache.hadoop.yarn.webapp.WebServicesTestUtils.assertResponseStatusCode;
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.Assert.assertEquals;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.doNothing;
@@ -38,6 +39,8 @@ import javax.servlet.ServletContext;
 import javax.servlet.ServletException;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response.Status;
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.JAXBException;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.http.JettyUtils;
@@ -55,6 +58,7 @@ import org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse.TimelineP
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.security.AdminACLsManager;
 import org.apache.hadoop.yarn.security.client.TimelineDelegationTokenIdentifier;
+import org.apache.hadoop.yarn.server.applicationhistoryservice.webapp.ContextFactory;
 import org.apache.hadoop.yarn.server.timeline.TestMemoryTimelineStore;
 import org.apache.hadoop.yarn.server.timeline.TimelineDataManager;
 import org.apache.hadoop.yarn.server.timeline.TimelineStore;
@@ -1030,6 +1034,23 @@ public class TestTimelineWebServices extends JerseyTestBase {
     }
   }
 
+  @Test
+  public void testContextFactory() throws Exception {
+    JAXBContext jaxbContext1 = ContextFactory.createContext(
+        new Class[]{TimelineDomain.class}, Collections.EMPTY_MAP);
+    JAXBContext jaxbContext2 = ContextFactory.createContext(
+        new Class[]{TimelineDomain.class}, Collections.EMPTY_MAP);
+    assertEquals(jaxbContext1, jaxbContext2);
+
+    try {
+      ContextFactory.createContext(new Class[]{TimelineEntity.class},
+          Collections.EMPTY_MAP);
+      Assert.fail("Expected JAXBException");
+    } catch(Exception e) {
+      assertThat(e).isExactlyInstanceOf(JAXBException.class);
+    }
+  }
+
   private static void verifyDomain(TimelineDomain domain, String domainId) {
     Assert.assertNotNull(domain);
     Assert.assertEquals(domainId, domain.getId());


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