YARN-2934. Improve handling of container's stderr. (Naganarasimha G R via gera)
This commit is contained in:
Gera Shegalov
parent
65537845a9
commit
2c17b81569
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@ -83,6 +83,9 @@ Release 2.9.0 - UNRELEASED
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YARN-4156. TestAMRestart#testAMBlacklistPreventsRestartOnSameNode
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assumes CapacityScheduler. (Anubhav Dhoot via kasha)
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YARN-2934. Improve handling of container's stderr.
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(Naganarasimha G R via gera)
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Release 2.8.0 - UNRELEASED
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INCOMPATIBLE CHANGES
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@ -1332,7 +1332,18 @@ public class YarnConfiguration extends Configuration {
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public static final String NM_USER_HOME_DIR =
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NM_PREFIX + "user-home-dir";
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public static final String NM_CONTAINER_STDERR_PATTERN =
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NM_PREFIX + "container.stderr.pattern";
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public static final String DEFAULT_NM_CONTAINER_STDERR_PATTERN =
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"{*stderr*,*STDERR*}";
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public static final String NM_CONTAINER_STDERR_BYTES =
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NM_PREFIX + "container.stderr.tail.bytes";
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public static final long DEFAULT_NM_CONTAINER_STDERR_BYTES = 4 * 1024;
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/**The kerberos principal to be used for spnego filter for NM.*/
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public static final String NM_WEBAPP_SPNEGO_USER_NAME_KEY =
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NM_PREFIX + "webapp.spnego-principal";
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@ -2459,6 +2459,29 @@
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<value>org.apache.hadoop.yarn.server.nodemanager.amrmproxy.DefaultRequestInterceptor</value>
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</property>
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<property>
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<description>
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Error filename pattern, to identify the file in the container's
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Log directory which contain the container's error log. As error file
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redirection is done by client/AM and yarn will not be aware of the error
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file name. YARN uses this pattern to identify the error file and tail
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the error log as diagnostics when the container execution returns non zero
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value. Filename patterns are case sensitive and should match the
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specifications of FileSystem.globStatus(Path) api. If multiple filenames
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matches the pattern, first file matching the pattern will be picked.
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</description>
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<name>yarn.nodemanager.container.stderr.pattern</name>
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<value>{*stderr*,*STDERR*}</value>
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</property>
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<property>
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<description>
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Size of the container error file which needs to be tailed, in bytes.
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</description>
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<name>yarn.nodemanager.container.stderr.tail.bytes </name>
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<value>4096</value>
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</property>
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<property>
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<description>
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Enable/disable blacklisting of hosts for AM based on AM failures on those
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@ -26,6 +26,7 @@ import java.io.File;
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import java.io.IOException;
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import java.io.PrintStream;
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import java.nio.ByteBuffer;
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import java.nio.charset.StandardCharsets;
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import java.util.ArrayList;
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import java.util.EnumSet;
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import java.util.HashMap;
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@ -38,7 +39,10 @@ import java.util.concurrent.atomic.AtomicBoolean;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.FSDataInputStream;
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import org.apache.hadoop.fs.FileContext;
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import org.apache.hadoop.fs.FileStatus;
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import org.apache.hadoop.fs.FileSystem;
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import org.apache.hadoop.fs.FileUtil;
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import org.apache.hadoop.fs.LocalDirAllocator;
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import org.apache.hadoop.fs.Path;
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@ -61,6 +65,7 @@ import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor.ExitCode;
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import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor.Signal;
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import org.apache.hadoop.yarn.server.nodemanager.Context;
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import org.apache.hadoop.yarn.server.nodemanager.LocalDirsHandlerService;
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import org.apache.hadoop.yarn.server.nodemanager.WindowsSecureContainerExecutor;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.application.Application;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container;
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@ -71,7 +76,6 @@ import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Cont
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerState;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ContainerLocalizer;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService;
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import org.apache.hadoop.yarn.server.nodemanager.WindowsSecureContainerExecutor;
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import org.apache.hadoop.yarn.server.nodemanager.executor.ContainerSignalContext;
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import org.apache.hadoop.yarn.server.nodemanager.executor.ContainerStartContext;
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import org.apache.hadoop.yarn.server.nodemanager.util.ProcessIdFileReader;
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@ -171,6 +175,7 @@ public class ContainerLaunch implements Callable<Integer> {
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return 0;
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}
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Path containerLogDir;
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try {
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localResources = container.getLocalizedResources();
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if (localResources == null) {
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@ -186,7 +191,7 @@ public class ContainerLaunch implements Callable<Integer> {
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String appIdStr = app.getAppId().toString();
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String relativeContainerLogDir = ContainerLaunch
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.getRelativeContainerLogDir(appIdStr, containerIdStr);
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Path containerLogDir =
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containerLogDir =
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dirsHandler.getLogPathForWrite(relativeContainerLogDir, false);
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for (String str : command) {
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// TODO: Should we instead work via symlinks without this grammar?
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@ -334,6 +339,11 @@ public class ContainerLaunch implements Callable<Integer> {
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LOG.debug("Container " + containerIdStr + " completed with exit code "
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+ ret);
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}
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StringBuilder diagnosticInfo =
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new StringBuilder("Container exited with a non-zero exit code ");
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diagnosticInfo.append(ret);
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diagnosticInfo.append(". ");
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if (ret == ExitCode.FORCE_KILLED.getExitCode()
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|| ret == ExitCode.TERMINATED.getExitCode()) {
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// If the process was killed, Send container_cleanedup_after_kill and
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@ -341,16 +351,13 @@ public class ContainerLaunch implements Callable<Integer> {
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dispatcher.getEventHandler().handle(
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new ContainerExitEvent(containerID,
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ContainerEventType.CONTAINER_KILLED_ON_REQUEST, ret,
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"Container exited with a non-zero exit code " + ret));
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diagnosticInfo.toString()));
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return ret;
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}
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if (ret != 0) {
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LOG.warn("Container exited with a non-zero exit code " + ret);
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this.dispatcher.getEventHandler().handle(new ContainerExitEvent(
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containerID,
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ContainerEventType.CONTAINER_EXITED_WITH_FAILURE, ret,
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"Container exited with a non-zero exit code " + ret));
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handleContainerExitWithFailure(containerID, ret, containerLogDir,
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diagnosticInfo);
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return ret;
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}
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@ -361,6 +368,78 @@ public class ContainerLaunch implements Callable<Integer> {
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return 0;
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}
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/**
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* Tries to tail and fetch TAIL_SIZE_IN_BYTES of data from the error log.
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* ErrorLog filename is not fixed and depends upon app, hence file name
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* pattern is used.
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* @param containerID
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* @param ret
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* @param containerLogDir
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* @param diagnosticInfo
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*/
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@SuppressWarnings("unchecked")
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private void handleContainerExitWithFailure(ContainerId containerID, int ret,
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Path containerLogDir, StringBuilder diagnosticInfo) {
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LOG.warn(diagnosticInfo);
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String errorFileNamePattern =
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conf.get(YarnConfiguration.NM_CONTAINER_STDERR_PATTERN,
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YarnConfiguration.DEFAULT_NM_CONTAINER_STDERR_PATTERN);
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FSDataInputStream errorFileIS = null;
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try {
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FileSystem fileSystem = FileSystem.getLocal(conf).getRaw();
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FileStatus[] errorFileStatuses = fileSystem
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.globStatus(new Path(containerLogDir, errorFileNamePattern));
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if (errorFileStatuses != null && errorFileStatuses.length != 0) {
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long tailSizeInBytes =
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conf.getLong(YarnConfiguration.NM_CONTAINER_STDERR_BYTES,
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YarnConfiguration.DEFAULT_NM_CONTAINER_STDERR_BYTES);
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Path errorFile = errorFileStatuses[0].getPath();
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long fileSize = errorFileStatuses[0].getLen();
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// if more than one file matches the stderr pattern, take the latest
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// modified file, and also append the file names in the diagnosticInfo
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if (errorFileStatuses.length > 1) {
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String[] errorFileNames = new String[errorFileStatuses.length];
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long latestModifiedTime = errorFileStatuses[0].getModificationTime();
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errorFileNames[0] = errorFileStatuses[0].getPath().getName();
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for (int i = 1; i < errorFileStatuses.length; i++) {
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errorFileNames[i] = errorFileStatuses[i].getPath().getName();
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if (errorFileStatuses[i]
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.getModificationTime() > latestModifiedTime) {
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latestModifiedTime = errorFileStatuses[i].getModificationTime();
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errorFile = errorFileStatuses[i].getPath();
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fileSize = errorFileStatuses[i].getLen();
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}
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}
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diagnosticInfo.append("Error files: ")
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.append(StringUtils.join(", ", errorFileNames)).append(".\n");
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}
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long startPosition =
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(fileSize < tailSizeInBytes) ? 0 : fileSize - tailSizeInBytes;
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int bufferSize =
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(int) ((fileSize < tailSizeInBytes) ? fileSize : tailSizeInBytes);
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byte[] tailBuffer = new byte[bufferSize];
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errorFileIS = fileSystem.open(errorFile);
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errorFileIS.readFully(startPosition, tailBuffer);
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diagnosticInfo.append("Last ").append(tailSizeInBytes)
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.append(" bytes of ").append(errorFile.getName()).append(" :\n")
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.append(new String(tailBuffer, StandardCharsets.UTF_8));
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}
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} catch (IOException e) {
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LOG.error("Failed to get tail of the container's error log file", e);
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} finally {
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IOUtils.cleanup(LOG, errorFileIS);
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}
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this.dispatcher.getEventHandler()
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.handle(new ContainerExitEvent(containerID,
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ContainerEventType.CONTAINER_EXITED_WITH_FAILURE, ret,
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diagnosticInfo.toString()));
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}
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protected String getPidFileSubpath(String appIdStr, String containerIdStr) {
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return getContainerPrivateDir(appIdStr, containerIdStr) + Path.SEPARATOR
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+ String.format(ContainerLaunch.PID_FILE_NAME_FMT, containerIdStr);
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@ -21,7 +21,6 @@ package org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertThat;
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import static org.junit.Assert.fail;
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import static org.junit.matchers.JUnitMatchers.containsString;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.when;
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@ -48,6 +47,7 @@ import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.FileUtil;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.fs.UnsupportedFileSystemException;
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import org.apache.hadoop.security.Credentials;
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import org.apache.hadoop.security.token.SecretManager.InvalidToken;
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import org.apache.hadoop.util.Shell;
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import org.apache.hadoop.util.Shell.ExitCodeException;
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@ -81,19 +81,21 @@ import org.apache.hadoop.yarn.security.ContainerTokenIdentifier;
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import org.apache.hadoop.yarn.server.api.protocolrecords.NMContainerStatus;
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import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor;
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import org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor.ExitCode;
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import org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor;
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import org.apache.hadoop.yarn.server.nodemanager.Context;
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import org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor;
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import org.apache.hadoop.yarn.server.nodemanager.NodeManager.NMContext;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.BaseContainerManagerTest;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.application.Application;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerEvent;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerEventType;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerExitEvent;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.ShellScriptBuilder;
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import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ContainerLocalizer;
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import org.apache.hadoop.yarn.server.nodemanager.recovery.NMNullStateStoreService;
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import org.apache.hadoop.yarn.server.nodemanager.security.NMContainerTokenSecretManager;
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import org.apache.hadoop.yarn.server.nodemanager.security.NMTokenSecretManagerInNM;
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import org.apache.hadoop.yarn.server.security.ApplicationACLsManager;
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import org.apache.hadoop.yarn.server.nodemanager.recovery.NMNullStateStoreService;
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import org.apache.hadoop.yarn.server.utils.BuilderUtils;
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import org.apache.hadoop.yarn.util.Apps;
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import org.apache.hadoop.yarn.util.AuxiliaryServiceHelper;
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@ -108,6 +110,7 @@ import org.junit.Test;
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public class TestContainerLaunch extends BaseContainerManagerTest {
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private static final String INVALID_JAVA_HOME = "/no/jvm/here";
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protected Context distContext = new NMContext(new NMContainerTokenSecretManager(
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conf), new NMTokenSecretManagerInNM(), null,
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new ApplicationACLsManager(conf), new NMNullStateStoreService()) {
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@ -492,6 +495,147 @@ public class TestContainerLaunch extends BaseContainerManagerTest {
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}
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@Test
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public void testErrorLogOnContainerExit() throws Exception {
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verifyTailErrorLogOnContainerExit(new Configuration(), "/stderr", false);
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}
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@Test
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public void testErrorLogOnContainerExitForCase() throws Exception {
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verifyTailErrorLogOnContainerExit(new Configuration(), "/STDERR.log",
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false);
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}
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@Test
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public void testErrorLogOnContainerExitForExt() throws Exception {
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verifyTailErrorLogOnContainerExit(new Configuration(), "/AppMaster.stderr",
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false);
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}
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@Test
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public void testErrorLogOnContainerExitWithCustomPattern() throws Exception {
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Configuration conf = new Configuration();
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conf.setStrings(YarnConfiguration.NM_CONTAINER_STDERR_PATTERN,
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"{*stderr*,*log*}");
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verifyTailErrorLogOnContainerExit(conf, "/error.log", false);
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}
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@Test
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public void testErrorLogOnContainerExitWithMultipleFiles() throws Exception {
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Configuration conf = new Configuration();
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conf.setStrings(YarnConfiguration.NM_CONTAINER_STDERR_PATTERN,
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"{*stderr*,*stdout*}");
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verifyTailErrorLogOnContainerExit(conf, "/stderr.log", true);
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}
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private void verifyTailErrorLogOnContainerExit(Configuration conf,
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String errorFileName, boolean testForMultipleErrFiles) throws Exception {
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Container container = mock(Container.class);
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ApplicationId appId =
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ApplicationId.newInstance(System.currentTimeMillis(), 1);
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ContainerId containerId = ContainerId
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.newContainerId(ApplicationAttemptId.newInstance(appId, 1), 1);
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when(container.getContainerId()).thenReturn(containerId);
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when(container.getUser()).thenReturn("test");
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String relativeContainerLogDir = ContainerLaunch.getRelativeContainerLogDir(
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appId.toString(), ConverterUtils.toString(containerId));
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Path containerLogDir =
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dirsHandler.getLogPathForWrite(relativeContainerLogDir, false);
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ContainerLaunchContext clc = mock(ContainerLaunchContext.class);
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List<String> invalidCommand = new ArrayList<String>();
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invalidCommand.add("$JAVA_HOME/bin/java");
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invalidCommand.add("-Djava.io.tmpdir=$PWD/tmp");
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invalidCommand.add("-Dlog4j.configuration=container-log4j.properties");
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invalidCommand.add("-Dyarn.app.container.log.dir=" + containerLogDir);
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invalidCommand.add("-Dyarn.app.container.log.filesize=0");
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invalidCommand.add("-Dhadoop.root.logger=INFO,CLA");
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invalidCommand.add("-Dhadoop.root.logfile=syslog");
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invalidCommand.add("-Xmx1024m");
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invalidCommand.add("org.apache.hadoop.mapreduce.v2.app.MRAppMaster");
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invalidCommand.add("1>" + containerLogDir + "/stdout");
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invalidCommand.add("2>" + containerLogDir + errorFileName);
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when(clc.getCommands()).thenReturn(invalidCommand);
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Map<String, String> userSetEnv = new HashMap<String, String>();
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userSetEnv.put(Environment.CONTAINER_ID.name(), "user_set_container_id");
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userSetEnv.put("JAVA_HOME", INVALID_JAVA_HOME);
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userSetEnv.put(Environment.NM_HOST.name(), "user_set_NM_HOST");
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userSetEnv.put(Environment.NM_PORT.name(), "user_set_NM_PORT");
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userSetEnv.put(Environment.NM_HTTP_PORT.name(), "user_set_NM_HTTP_PORT");
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userSetEnv.put(Environment.LOCAL_DIRS.name(), "user_set_LOCAL_DIR");
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userSetEnv.put(Environment.USER.key(),
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"user_set_" + Environment.USER.key());
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userSetEnv.put(Environment.LOGNAME.name(), "user_set_LOGNAME");
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userSetEnv.put(Environment.PWD.name(), "user_set_PWD");
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userSetEnv.put(Environment.HOME.name(), "user_set_HOME");
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userSetEnv.put(Environment.CLASSPATH.name(), "APATH");
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when(clc.getEnvironment()).thenReturn(userSetEnv);
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when(container.getLaunchContext()).thenReturn(clc);
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when(container.getLocalizedResources())
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.thenReturn(Collections.<Path, List<String>> emptyMap());
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Dispatcher dispatcher = mock(Dispatcher.class);
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@SuppressWarnings("rawtypes")
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ContainerExitHandler eventHandler =
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new ContainerExitHandler(testForMultipleErrFiles);
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when(dispatcher.getEventHandler()).thenReturn(eventHandler);
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Application app = mock(Application.class);
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when(app.getAppId()).thenReturn(appId);
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when(app.getUser()).thenReturn("test");
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Credentials creds = mock(Credentials.class);
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when(container.getCredentials()).thenReturn(creds);
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((NMContext) context).setNodeId(NodeId.newInstance("127.0.0.1", HTTP_PORT));
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ContainerLaunch launch = new ContainerLaunch(context, conf, dispatcher,
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exec, app, container, dirsHandler, containerManager);
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launch.call();
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Assert.assertTrue("ContainerExitEvent should have occured",
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eventHandler.isContainerExitEventOccured());
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}
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private static class ContainerExitHandler
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implements EventHandler<ContainerEvent> {
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private boolean testForMultiFile;
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ContainerExitHandler(boolean testForMultiFile) {
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this.testForMultiFile = testForMultiFile;
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}
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|
||||
boolean containerExitEventOccured = false;
|
||||
|
||||
public boolean isContainerExitEventOccured() {
|
||||
return containerExitEventOccured;
|
||||
}
|
||||
|
||||
public void handle(ContainerEvent event) {
|
||||
if (event instanceof ContainerExitEvent) {
|
||||
containerExitEventOccured = true;
|
||||
ContainerExitEvent exitEvent = (ContainerExitEvent) event;
|
||||
Assert.assertEquals(ContainerEventType.CONTAINER_EXITED_WITH_FAILURE,
|
||||
exitEvent.getType());
|
||||
LOG.info("Diagnostic Info : " + exitEvent.getDiagnosticInfo());
|
||||
if (testForMultiFile) {
|
||||
Assert.assertTrue("Should contain the Multi file information",
|
||||
exitEvent.getDiagnosticInfo().contains("Error files: "));
|
||||
}
|
||||
Assert.assertTrue(
|
||||
"Should contain the error Log message with tail size info",
|
||||
exitEvent.getDiagnosticInfo()
|
||||
.contains("Last "
|
||||
+ YarnConfiguration.DEFAULT_NM_CONTAINER_STDERR_BYTES
|
||||
+ " bytes of"));
|
||||
Assert.assertTrue("Should contain contents of error Log",
|
||||
exitEvent.getDiagnosticInfo().contains(
|
||||
INVALID_JAVA_HOME + "/bin/java: No such file or directory"));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private static List<String> getJarManifestClasspath(String path)
|
||||
throws Exception {
|
||||
List<String> classpath = new ArrayList<String>();
|
||||
|
|
|
|||
Loading…
Reference in New Issue