/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.hadoop.mapreduce.v2.hs.webapp; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertNotNull; import static org.junit.Assert.assertTrue; import static org.junit.Assert.fail; import static org.mockito.Mockito.mock; import static org.mockito.Mockito.when; import java.io.StringReader; import java.util.List; import java.util.Map; import javax.ws.rs.core.MediaType; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.mapreduce.v2.api.records.JobId; import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId; import org.apache.hadoop.mapreduce.v2.api.records.TaskType; import org.apache.hadoop.mapreduce.v2.app.AppContext; import org.apache.hadoop.mapreduce.v2.app.job.Job; import org.apache.hadoop.mapreduce.v2.app.job.Task; import org.apache.hadoop.mapreduce.v2.app.job.TaskAttempt; import org.apache.hadoop.mapreduce.v2.hs.HistoryContext; import org.apache.hadoop.mapreduce.v2.hs.MockHistoryContext; import org.apache.hadoop.mapreduce.v2.util.MRApps; import org.apache.hadoop.yarn.util.ConverterUtils; import org.apache.hadoop.yarn.webapp.GenericExceptionHandler; import org.apache.hadoop.yarn.webapp.WebApp; import org.apache.hadoop.yarn.webapp.WebServicesTestUtils; import org.codehaus.jettison.json.JSONArray; import org.codehaus.jettison.json.JSONException; import org.codehaus.jettison.json.JSONObject; import org.junit.Before; import org.junit.Test; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.NodeList; import org.xml.sax.InputSource; import com.google.inject.Guice; import com.google.inject.Injector; import com.google.inject.servlet.GuiceServletContextListener; import com.google.inject.servlet.ServletModule; import com.sun.jersey.api.client.ClientResponse; import com.sun.jersey.api.client.ClientResponse.Status; import com.sun.jersey.api.client.UniformInterfaceException; import com.sun.jersey.api.client.WebResource; import com.sun.jersey.guice.spi.container.servlet.GuiceContainer; import com.sun.jersey.test.framework.JerseyTest; import com.sun.jersey.test.framework.WebAppDescriptor; /** * Test the history server Rest API for getting task attempts, a * specific task attempt, and task attempt counters * * /ws/v1/history/mapreduce/jobs/{jobid}/tasks/{taskid}/attempts * /ws/v1/history/mapreduce/jobs/{jobid}/tasks/{taskid}/attempts/{attemptid} * /ws/v1/history/mapreduce/jobs/{jobid}/tasks/{taskid}/attempts/{attemptid}/ * counters */ public class TestHsWebServicesAttempts extends JerseyTest { private static Configuration conf = new Configuration(); private static HistoryContext appContext; private static HsWebApp webApp; private Injector injector = Guice.createInjector(new ServletModule() { @Override protected void configureServlets() { appContext = new MockHistoryContext(0, 1, 2, 1); webApp = mock(HsWebApp.class); when(webApp.name()).thenReturn("hsmockwebapp"); bind(JAXBContextResolver.class); bind(HsWebServices.class); bind(GenericExceptionHandler.class); bind(WebApp.class).toInstance(webApp); bind(AppContext.class).toInstance(appContext); bind(HistoryContext.class).toInstance(appContext); bind(Configuration.class).toInstance(conf); serve("/*").with(GuiceContainer.class); } }); public class GuiceServletConfig extends GuiceServletContextListener { @Override protected Injector getInjector() { return injector; } } @Before @Override public void setUp() throws Exception { super.setUp(); } public TestHsWebServicesAttempts() { super(new WebAppDescriptor.Builder( "org.apache.hadoop.mapreduce.v2.hs.webapp") .contextListenerClass(GuiceServletConfig.class) .filterClass(com.google.inject.servlet.GuiceFilter.class) .contextPath("jersey-guice-filter").servletPath("/").build()); } @Test public void testTaskAttempts() throws JSONException, Exception { WebResource r = resource(); Map<JobId, Job> jobsMap = appContext.getAllJobs(); for (JobId id : jobsMap.keySet()) { String jobId = MRApps.toString(id); for (Task task : jobsMap.get(id).getTasks().values()) { String tid = MRApps.toString(task.getID()); ClientResponse response = r.path("ws").path("v1").path("history") .path("mapreduce").path("jobs").path(jobId).path("tasks").path(tid) .path("attempts").accept(MediaType.APPLICATION_JSON) .get(ClientResponse.class); assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType()); JSONObject json = response.getEntity(JSONObject.class); verifyHsTaskAttempts(json, task); } } } @Test public void testTaskAttemptsSlash() throws JSONException, Exception { WebResource r = resource(); Map<JobId, Job> jobsMap = appContext.getAllJobs(); for (JobId id : jobsMap.keySet()) { String jobId = MRApps.toString(id); for (Task task : jobsMap.get(id).getTasks().values()) { String tid = MRApps.toString(task.getID()); ClientResponse response = r.path("ws").path("v1").path("history") .path("mapreduce").path("jobs").path(jobId).path("tasks").path(tid) .path("attempts/").accept(MediaType.APPLICATION_JSON) .get(ClientResponse.class); assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType()); JSONObject json = response.getEntity(JSONObject.class); verifyHsTaskAttempts(json, task); } } } @Test public void testTaskAttemptsDefault() throws JSONException, Exception { WebResource r = resource(); Map<JobId, Job> jobsMap = appContext.getAllJobs(); for (JobId id : jobsMap.keySet()) { String jobId = MRApps.toString(id); for (Task task : jobsMap.get(id).getTasks().values()) { String tid = MRApps.toString(task.getID()); ClientResponse response = r.path("ws").path("v1").path("history") .path("mapreduce").path("jobs").path(jobId).path("tasks").path(tid) .path("attempts").get(ClientResponse.class); assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType()); JSONObject json = response.getEntity(JSONObject.class); verifyHsTaskAttempts(json, task); } } } @Test public void testTaskAttemptsXML() throws JSONException, Exception { WebResource r = resource(); Map<JobId, Job> jobsMap = appContext.getAllJobs(); for (JobId id : jobsMap.keySet()) { String jobId = MRApps.toString(id); for (Task task : jobsMap.get(id).getTasks().values()) { String tid = MRApps.toString(task.getID()); ClientResponse response = r.path("ws").path("v1").path("history") .path("mapreduce").path("jobs").path(jobId).path("tasks").path(tid) .path("attempts").accept(MediaType.APPLICATION_XML) .get(ClientResponse.class); assertEquals(MediaType.APPLICATION_XML_TYPE, response.getType()); String xml = response.getEntity(String.class); DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); DocumentBuilder db = dbf.newDocumentBuilder(); InputSource is = new InputSource(); is.setCharacterStream(new StringReader(xml)); Document dom = db.parse(is); NodeList attempts = dom.getElementsByTagName("taskAttempts"); assertEquals("incorrect number of elements", 1, attempts.getLength()); NodeList nodes = dom.getElementsByTagName("taskAttempt"); verifyHsTaskAttemptsXML(nodes, task); } } } @Test public void testTaskAttemptId() throws JSONException, Exception { WebResource r = resource(); Map<JobId, Job> jobsMap = appContext.getAllJobs(); for (JobId id : jobsMap.keySet()) { String jobId = MRApps.toString(id); for (Task task : jobsMap.get(id).getTasks().values()) { String tid = MRApps.toString(task.getID()); for (TaskAttempt att : task.getAttempts().values()) { TaskAttemptId attemptid = att.getID(); String attid = MRApps.toString(attemptid); ClientResponse response = r.path("ws").path("v1").path("history") .path("mapreduce").path("jobs").path(jobId).path("tasks") .path(tid).path("attempts").path(attid) .accept(MediaType.APPLICATION_JSON).get(ClientResponse.class); assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType()); JSONObject json = response.getEntity(JSONObject.class); assertEquals("incorrect number of elements", 1, json.length()); JSONObject info = json.getJSONObject("taskAttempt"); verifyHsTaskAttempt(info, att, task.getType()); } } } } @Test public void testTaskAttemptIdSlash() throws JSONException, Exception { WebResource r = resource(); Map<JobId, Job> jobsMap = appContext.getAllJobs(); for (JobId id : jobsMap.keySet()) { String jobId = MRApps.toString(id); for (Task task : jobsMap.get(id).getTasks().values()) { String tid = MRApps.toString(task.getID()); for (TaskAttempt att : task.getAttempts().values()) { TaskAttemptId attemptid = att.getID(); String attid = MRApps.toString(attemptid); ClientResponse response = r.path("ws").path("v1").path("history") .path("mapreduce").path("jobs").path(jobId).path("tasks") .path(tid).path("attempts").path(attid + "/") .accept(MediaType.APPLICATION_JSON).get(ClientResponse.class); assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType()); JSONObject json = response.getEntity(JSONObject.class); assertEquals("incorrect number of elements", 1, json.length()); JSONObject info = json.getJSONObject("taskAttempt"); verifyHsTaskAttempt(info, att, task.getType()); } } } } @Test public void testTaskAttemptIdDefault() throws JSONException, Exception { WebResource r = resource(); Map<JobId, Job> jobsMap = appContext.getAllJobs(); for (JobId id : jobsMap.keySet()) { String jobId = MRApps.toString(id); for (Task task : jobsMap.get(id).getTasks().values()) { String tid = MRApps.toString(task.getID()); for (TaskAttempt att : task.getAttempts().values()) { TaskAttemptId attemptid = att.getID(); String attid = MRApps.toString(attemptid); ClientResponse response = r.path("ws").path("v1").path("history") .path("mapreduce").path("jobs").path(jobId).path("tasks") .path(tid).path("attempts").path(attid).get(ClientResponse.class); assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType()); JSONObject json = response.getEntity(JSONObject.class); assertEquals("incorrect number of elements", 1, json.length()); JSONObject info = json.getJSONObject("taskAttempt"); verifyHsTaskAttempt(info, att, task.getType()); } } } } @Test public void testTaskAttemptIdXML() throws JSONException, Exception { WebResource r = resource(); Map<JobId, Job> jobsMap = appContext.getAllJobs(); for (JobId id : jobsMap.keySet()) { String jobId = MRApps.toString(id); for (Task task : jobsMap.get(id).getTasks().values()) { String tid = MRApps.toString(task.getID()); for (TaskAttempt att : task.getAttempts().values()) { TaskAttemptId attemptid = att.getID(); String attid = MRApps.toString(attemptid); ClientResponse response = r.path("ws").path("v1").path("history") .path("mapreduce").path("jobs").path(jobId).path("tasks") .path(tid).path("attempts").path(attid) .accept(MediaType.APPLICATION_XML).get(ClientResponse.class); assertEquals(MediaType.APPLICATION_XML_TYPE, response.getType()); String xml = response.getEntity(String.class); DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); DocumentBuilder db = dbf.newDocumentBuilder(); InputSource is = new InputSource(); is.setCharacterStream(new StringReader(xml)); Document dom = db.parse(is); NodeList nodes = dom.getElementsByTagName("taskAttempt"); for (int i = 0; i < nodes.getLength(); i++) { Element element = (Element) nodes.item(i); verifyHsTaskAttemptXML(element, att, task.getType()); } } } } } @Test public void testTaskAttemptIdBogus() throws JSONException, Exception { testTaskAttemptIdErrorGeneric("bogusid", "java.lang.Exception: TaskAttemptId string : " + "bogusid is not properly formed"); } @Test public void testTaskAttemptIdNonExist() throws JSONException, Exception { testTaskAttemptIdErrorGeneric( "attempt_0_1234_m_000000_0", "java.lang.Exception: Error getting info on task attempt id attempt_0_1234_m_000000_0"); } @Test public void testTaskAttemptIdInvalid() throws JSONException, Exception { testTaskAttemptIdErrorGeneric("attempt_0_1234_d_000000_0", "java.lang.Exception: Bad TaskType identifier. TaskAttemptId string : " + "attempt_0_1234_d_000000_0 is not properly formed."); } @Test public void testTaskAttemptIdInvalid2() throws JSONException, Exception { testTaskAttemptIdErrorGeneric("attempt_1234_m_000000_0", "java.lang.Exception: TaskAttemptId string : " + "attempt_1234_m_000000_0 is not properly formed"); } @Test public void testTaskAttemptIdInvalid3() throws JSONException, Exception { testTaskAttemptIdErrorGeneric("attempt_0_1234_m_000000", "java.lang.Exception: TaskAttemptId string : " + "attempt_0_1234_m_000000 is not properly formed"); } private void testTaskAttemptIdErrorGeneric(String attid, String error) throws JSONException, Exception { WebResource r = resource(); Map<JobId, Job> jobsMap = appContext.getAllJobs(); for (JobId id : jobsMap.keySet()) { String jobId = MRApps.toString(id); for (Task task : jobsMap.get(id).getTasks().values()) { String tid = MRApps.toString(task.getID()); try { r.path("ws").path("v1").path("history").path("mapreduce") .path("jobs").path(jobId).path("tasks").path(tid) .path("attempts").path(attid).accept(MediaType.APPLICATION_JSON) .get(JSONObject.class); fail("should have thrown exception on invalid uri"); } catch (UniformInterfaceException ue) { ClientResponse response = ue.getResponse(); assertEquals(Status.NOT_FOUND, response.getClientResponseStatus()); assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType()); JSONObject msg = response.getEntity(JSONObject.class); JSONObject exception = msg.getJSONObject("RemoteException"); assertEquals("incorrect number of elements", 3, exception.length()); String message = exception.getString("message"); String type = exception.getString("exception"); String classname = exception.getString("javaClassName"); WebServicesTestUtils.checkStringMatch("exception message", error, message); WebServicesTestUtils.checkStringMatch("exception type", "NotFoundException", type); WebServicesTestUtils.checkStringMatch("exception classname", "org.apache.hadoop.yarn.webapp.NotFoundException", classname); } } } } public void verifyHsTaskAttemptXML(Element element, TaskAttempt att, TaskType ttype) { verifyTaskAttemptGeneric(att, ttype, WebServicesTestUtils.getXmlString(element, "id"), WebServicesTestUtils.getXmlString(element, "state"), WebServicesTestUtils.getXmlString(element, "type"), WebServicesTestUtils.getXmlString(element, "rack"), WebServicesTestUtils.getXmlString(element, "nodeHttpAddress"), WebServicesTestUtils.getXmlString(element, "diagnostics"), WebServicesTestUtils.getXmlString(element, "assignedContainerId"), WebServicesTestUtils.getXmlLong(element, "startTime"), WebServicesTestUtils.getXmlLong(element, "finishTime"), WebServicesTestUtils.getXmlLong(element, "elapsedTime"), WebServicesTestUtils.getXmlFloat(element, "progress")); if (ttype == TaskType.REDUCE) { verifyReduceTaskAttemptGeneric(att, WebServicesTestUtils.getXmlLong(element, "shuffleFinishTime"), WebServicesTestUtils.getXmlLong(element, "mergeFinishTime"), WebServicesTestUtils.getXmlLong(element, "elapsedShuffleTime"), WebServicesTestUtils.getXmlLong(element, "elapsedMergeTime"), WebServicesTestUtils.getXmlLong(element, "elapsedReduceTime")); } } public void verifyHsTaskAttempt(JSONObject info, TaskAttempt att, TaskType ttype) throws JSONException { if (ttype == TaskType.REDUCE) { assertEquals("incorrect number of elements", 16, info.length()); } else { assertEquals("incorrect number of elements", 11, info.length()); } verifyTaskAttemptGeneric(att, ttype, info.getString("id"), info.getString("state"), info.getString("type"), info.getString("rack"), info.getString("nodeHttpAddress"), info.getString("diagnostics"), info.getString("assignedContainerId"), info.getLong("startTime"), info.getLong("finishTime"), info.getLong("elapsedTime"), (float) info.getDouble("progress")); if (ttype == TaskType.REDUCE) { verifyReduceTaskAttemptGeneric(att, info.getLong("shuffleFinishTime"), info.getLong("mergeFinishTime"), info.getLong("elapsedShuffleTime"), info.getLong("elapsedMergeTime"), info.getLong("elapsedReduceTime")); } } public void verifyHsTaskAttempts(JSONObject json, Task task) throws JSONException { assertEquals("incorrect number of elements", 1, json.length()); JSONObject attempts = json.getJSONObject("taskAttempts"); assertEquals("incorrect number of elements", 1, json.length()); JSONArray arr = attempts.getJSONArray("taskAttempt"); for (TaskAttempt att : task.getAttempts().values()) { TaskAttemptId id = att.getID(); String attid = MRApps.toString(id); Boolean found = false; for (int i = 0; i < arr.length(); i++) { JSONObject info = arr.getJSONObject(i); if (attid.matches(info.getString("id"))) { found = true; verifyHsTaskAttempt(info, att, task.getType()); } } assertTrue("task attempt with id: " + attid + " not in web service output", found); } } public void verifyHsTaskAttemptsXML(NodeList nodes, Task task) { assertEquals("incorrect number of elements", 1, nodes.getLength()); for (TaskAttempt att : task.getAttempts().values()) { TaskAttemptId id = att.getID(); String attid = MRApps.toString(id); Boolean found = false; for (int i = 0; i < nodes.getLength(); i++) { Element element = (Element) nodes.item(i); if (attid.matches(WebServicesTestUtils.getXmlString(element, "id"))) { found = true; verifyHsTaskAttemptXML(element, att, task.getType()); } } assertTrue("task with id: " + attid + " not in web service output", found); } } public void verifyTaskAttemptGeneric(TaskAttempt ta, TaskType ttype, String id, String state, String type, String rack, String nodeHttpAddress, String diagnostics, String assignedContainerId, long startTime, long finishTime, long elapsedTime, float progress) { TaskAttemptId attid = ta.getID(); String attemptId = MRApps.toString(attid); WebServicesTestUtils.checkStringMatch("id", attemptId, id); WebServicesTestUtils.checkStringMatch("type", ttype.toString(), type); WebServicesTestUtils.checkStringMatch("state", ta.getState().toString(), state); WebServicesTestUtils.checkStringMatch("rack", ta.getNodeRackName(), rack); WebServicesTestUtils.checkStringMatch("nodeHttpAddress", ta.getNodeHttpAddress(), nodeHttpAddress); String expectDiag = ""; List<String> diagnosticsList = ta.getDiagnostics(); if (diagnosticsList != null && !diagnostics.isEmpty()) { StringBuffer b = new StringBuffer(); for (String diag : diagnosticsList) { b.append(diag); } expectDiag = b.toString(); } WebServicesTestUtils.checkStringMatch("diagnostics", expectDiag, diagnostics); WebServicesTestUtils.checkStringMatch("assignedContainerId", ConverterUtils.toString(ta.getAssignedContainerID()), assignedContainerId); assertEquals("startTime wrong", ta.getLaunchTime(), startTime); assertEquals("finishTime wrong", ta.getFinishTime(), finishTime); assertEquals("elapsedTime wrong", finishTime - startTime, elapsedTime); assertEquals("progress wrong", ta.getProgress() * 100, progress, 1e-3f); } public void verifyReduceTaskAttemptGeneric(TaskAttempt ta, long shuffleFinishTime, long mergeFinishTime, long elapsedShuffleTime, long elapsedMergeTime, long elapsedReduceTime) { assertEquals("shuffleFinishTime wrong", ta.getShuffleFinishTime(), shuffleFinishTime); assertEquals("mergeFinishTime wrong", ta.getSortFinishTime(), mergeFinishTime); assertEquals("elapsedShuffleTime wrong", ta.getLaunchTime() - ta.getShuffleFinishTime(), elapsedShuffleTime); assertEquals("elapsedMergeTime wrong", ta.getShuffleFinishTime() - ta.getSortFinishTime(), elapsedMergeTime); assertEquals("elapsedReduceTime wrong", ta.getSortFinishTime() - ta.getFinishTime(), elapsedReduceTime); } @Test public void testTaskAttemptIdCounters() throws JSONException, Exception { WebResource r = resource(); Map<JobId, Job> jobsMap = appContext.getAllJobs(); for (JobId id : jobsMap.keySet()) { String jobId = MRApps.toString(id); for (Task task : jobsMap.get(id).getTasks().values()) { String tid = MRApps.toString(task.getID()); for (TaskAttempt att : task.getAttempts().values()) { TaskAttemptId attemptid = att.getID(); String attid = MRApps.toString(attemptid); ClientResponse response = r.path("ws").path("v1").path("history") .path("mapreduce").path("jobs").path(jobId).path("tasks") .path(tid).path("attempts").path(attid).path("counters") .accept(MediaType.APPLICATION_JSON).get(ClientResponse.class); assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType()); JSONObject json = response.getEntity(JSONObject.class); assertEquals("incorrect number of elements", 1, json.length()); JSONObject info = json.getJSONObject("jobTaskAttemptCounters"); verifyHsJobTaskAttemptCounters(info, att); } } } } @Test public void testTaskAttemptIdXMLCounters() throws JSONException, Exception { WebResource r = resource(); Map<JobId, Job> jobsMap = appContext.getAllJobs(); for (JobId id : jobsMap.keySet()) { String jobId = MRApps.toString(id); for (Task task : jobsMap.get(id).getTasks().values()) { String tid = MRApps.toString(task.getID()); for (TaskAttempt att : task.getAttempts().values()) { TaskAttemptId attemptid = att.getID(); String attid = MRApps.toString(attemptid); ClientResponse response = r.path("ws").path("v1").path("history") .path("mapreduce").path("jobs").path(jobId).path("tasks") .path(tid).path("attempts").path(attid).path("counters") .accept(MediaType.APPLICATION_XML).get(ClientResponse.class); assertEquals(MediaType.APPLICATION_XML_TYPE, response.getType()); String xml = response.getEntity(String.class); DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); DocumentBuilder db = dbf.newDocumentBuilder(); InputSource is = new InputSource(); is.setCharacterStream(new StringReader(xml)); Document dom = db.parse(is); NodeList nodes = dom.getElementsByTagName("jobTaskAttemptCounters"); verifyHsTaskCountersXML(nodes, att); } } } } public void verifyHsJobTaskAttemptCounters(JSONObject info, TaskAttempt att) throws JSONException { assertEquals("incorrect number of elements", 2, info.length()); WebServicesTestUtils.checkStringMatch("id", MRApps.toString(att.getID()), info.getString("id")); // just do simple verification of fields - not data is correct // in the fields JSONArray counterGroups = info.getJSONArray("taskAttemptCounterGroup"); for (int i = 0; i < counterGroups.length(); i++) { JSONObject counterGroup = counterGroups.getJSONObject(i); String name = counterGroup.getString("counterGroupName"); assertTrue("name not set", (name != null && !name.isEmpty())); JSONArray counters = counterGroup.getJSONArray("counter"); for (int j = 0; j < counters.length(); j++) { JSONObject counter = counters.getJSONObject(j); String counterName = counter.getString("name"); assertTrue("name not set", (counterName != null && !counterName.isEmpty())); long value = counter.getLong("value"); assertTrue("value >= 0", value >= 0); } } } public void verifyHsTaskCountersXML(NodeList nodes, TaskAttempt att) { for (int i = 0; i < nodes.getLength(); i++) { Element element = (Element) nodes.item(i); WebServicesTestUtils.checkStringMatch("id", MRApps.toString(att.getID()), WebServicesTestUtils.getXmlString(element, "id")); // just do simple verification of fields - not data is correct // in the fields NodeList groups = element.getElementsByTagName("taskAttemptCounterGroup"); for (int j = 0; j < groups.getLength(); j++) { Element counters = (Element) groups.item(j); assertNotNull("should have counters in the web service info", counters); String name = WebServicesTestUtils.getXmlString(counters, "counterGroupName"); assertTrue("name not set", (name != null && !name.isEmpty())); NodeList counterArr = counters.getElementsByTagName("counter"); for (int z = 0; z < counterArr.getLength(); z++) { Element counter = (Element) counterArr.item(z); String counterName = WebServicesTestUtils.getXmlString(counter, "name"); assertTrue("counter name not set", (counterName != null && !counterName.isEmpty())); long value = WebServicesTestUtils.getXmlLong(counter, "value"); assertTrue("value not >= 0", value >= 0); } } } } }