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YARN-9179. Fix NPE in AbstractYarnScheduler#updateNewContainerInfo.

This commit is contained in:
Akira Ajisaka 2019-01-15 12:59:59 +09:00
parent 05c84ab01c
commit 614af50625
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1 changed files with 18 additions and 11 deletions
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29
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.java
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@ -1040,20 +1040,27 @@ private List<ContainerStatus> updateNewContainerInfo(RMNode nm,
for (Map.Entry<ApplicationId, ContainerStatus> c : updateExistContainers) {
SchedulerApplication<T> app = applications.get(c.getKey());
ContainerId containerId = c.getValue().getContainerId();
String strExposedPorts = c.getValue().getExposedPorts();
Map<String, List<Map<String, String>>> exposedPorts = null;
if (null != strExposedPorts && !strExposedPorts.isEmpty()) {
Gson gson = new Gson();
exposedPorts = gson.fromJson(strExposedPorts,
new TypeToken<Map<String, List<Map<String, String>>>>()
{}.getType());
if (app == null || app.getCurrentAppAttempt() == null) {
continue;
}
RMContainer rmContainer
= app.getCurrentAppAttempt().getRMContainer(containerId);
if (null != rmContainer &&
(null == rmContainer.getExposedPorts()
|| rmContainer.getExposedPorts().size() == 0)) {
if (rmContainer == null) {
continue;
}
// exposed ports are already set for the container, skip
if (rmContainer.getExposedPorts() != null &&
rmContainer.getExposedPorts().size() > 0) {
continue;
}
String strExposedPorts = c.getValue().getExposedPorts();
if (null != strExposedPorts && !strExposedPorts.isEmpty()) {
Gson gson = new Gson();
Map<String, List<Map<String, String>>> exposedPorts =
gson.fromJson(strExposedPorts,
new TypeToken<Map<String, List<Map<String, String>>>>()
{}.getType());
LOG.info("update exist container " + containerId.getContainerId()
+ ", strExposedPorts = " + strExposedPorts);
rmContainer.setExposedPorts(exposedPorts);