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https://issues.apache.org/jira/browse/YARN-11823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18064447#comment-18064447
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ASF GitHub Bot commented on YARN-11823:
---------------------------------------
K0K0V0K commented on code in PR #8123:
URL: https://github.com/apache/hadoop/pull/8123#discussion_r2911270255
##########
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/webapp/NMWebServices.java:
##########
@@ -628,6 +636,60 @@ public Response syncYarnSysFS(@javax.ws.rs.core.Context
return Response.ok().build();
}
+
+ @GET
+ @Path("/jstack/{numberOfJStack}")
+ public Response getNodeThreadDump(@PathParam("numberOfJStack") int
numberOfJStack)
+ {
+ if (!isJStackEndpointsEnable) {
+ return Response.status(Status.METHOD_NOT_ALLOWED)
+ .build();
+ }
+
+ try {
+ return Response.status(Status.OK)
+
.entity(diagnosticJStackService.collectNodeThreadDump(numberOfJStack))
+ .build();
+ } catch (IOException e){
+ throw new WebAppException("Shell command has failed: " + e.getMessage()
+ ". " +
+ "For more information please check the NodeManager logs.");
+ } catch (Exception e) {
+ throw new WebAppException(
+ "Unexpected error collection NodeManager JStack: " +
e.getMessage() + ". " +
+ "For more information please check the NodeManager
logs.");
+ }
+ }
+
+
+ @GET
+ @Path("/apps/{appid}/jstack/{numberOfJStack}")
+ @Produces({MediaType.TEXT_PLAIN})
+ public Response getApplicationJStack(@PathParam("appid") String appId,
+ @PathParam("numberOfJStack") int
numberOfJStack)
+ {
+ if (!isJStackEndpointsEnable) {
+ return Response.status(Status.METHOD_NOT_ALLOWED)
+ .build();
+ }
+
+ try {
+ return Response.status(Status.OK)
+
.entity(diagnosticJStackService.collectApplicationThreadDump(appId,
numberOfJStack))
+ .build();
+ } catch (RuntimeException e){
Review Comment:
If i see right this should be IllegalArgumentException
> New JStack endpoint for running containers and nodes
> ----------------------------------------------------
>
> Key: YARN-11823
> URL: https://issues.apache.org/jira/browse/YARN-11823
> Project: Hadoop YARN
> Issue Type: New Feature
> Components: yarn
> Reporter: chhinlinghean
> Assignee: chhinlinghean
> Priority: Major
> Labels: pull-request-available
>
> Getting jstack for container is not trivial to most people. This new endpoint
> aims to streamline the process of getting jstack of running containers and
> nodes. It mainly use in the DiagnosticCollector script.
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