Hean-Chhinling commented on code in PR #7726:
URL: https://github.com/apache/hadoop/pull/7726#discussion_r2143531862
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hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/webapp/NMWebServices.java:
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@@ -271,6 +273,35 @@ public ContainerInfo
getNodeContainer(@javax.ws.rs.core.Context
}
+ @GET
+ @Path("/jstack")
+ @Produces({MediaType.TEXT_PLAIN})
+ public Response getNodeJStack() {
+ try {
+ return Response.status(Status.OK)
+ .entity(DiagnosticJStackService.collectNodeJStack()) // Make
sure the NodeManager have python3 install
Review Comment:
It is quite ambiguous when the python3 is not installed. The exception will
only be shown when I execute the script manually. If I try to access the
endpoint at RM without the `python3` installed in NM, It will just say
'Internal Server error 500' and user have to check the corresponding NM to see
the error. I will work on this to make the error less ambiguous.
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