How to use

getContainerId

method

in

org.apache.hadoop.yarn.server.nodemanager.executor.ContainerReacquisitionContext

@Override
public int reacquireContainer(ContainerReacquisitionContext ctx)
  throws IOException, InterruptedException {
 ContainerId containerId = ctx.getContainerId();
 try {
  //Resource handler chain needs to reacquire container state
  //as well
  if (resourceHandlerChain != null) {
   try {
    resourceHandlerChain.reacquireContainer(containerId);
   } catch (ResourceHandlerException e) {
    LOG.warn("ResourceHandlerChain.reacquireContainer failed for " +
      "containerId: " + containerId + " Exception: " + e);
   }
  }
  return super.reacquireContainer(ctx);
 } finally {
  resourcesHandler.postExecute(containerId);
  if (resourceHandlerChain != null) {
   try {
    resourceHandlerChain.postComplete(containerId);
   } catch (ResourceHandlerException e) {
    LOG.warn("ResourceHandlerChain.postComplete failed for " +
      "containerId: " + containerId + " Exception: " + e);
   }
  }
 }
}

@Override
public int reacquireContainer(ContainerReacquisitionContext ctx)
  throws IOException, InterruptedException {
 ContainerId containerId = ctx.getContainerId();
 try {
  //Resource handler chain needs to reacquire container state
  //as well
  if (resourceHandlerChain != null) {
   try {
    resourceHandlerChain.reacquireContainer(containerId);
   } catch (ResourceHandlerException e) {
    LOG.warn("ResourceHandlerChain.reacquireContainer failed for " +
      "containerId: " + containerId + " Exception: " + e);
   }
  }
  return super.reacquireContainer(ctx);
 } finally {
  resourcesHandler.postExecute(containerId);
  postComplete(containerId);
 }
}

Container container = ctx.getContainer();
String user = ctx.getUser();
ContainerId containerId = ctx.getContainerId();
Path pidPath = getPidFilePath(containerId);

Container container = ctx.getContainer();
String user = ctx.getUser();
ContainerId containerId = ctx.getContainerId();