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Questions tagged [nodemanager]

26 questions
2
votes
3 answers

Hadoop 2.8 NodeManager is shutting down on windows

I have followed all the steps from this website. On my PC all are running perfectly but on my laptop nodeManager is shutting…
Adnan Anwar
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2 answers

WebLogic Server 12c cant log in localhost Exception weblogic.nodemanager.NMConnectException: Connection refused

I use a Oracle WebLogic Server 12c and when I start it on Eclipse it shows this error, it does'nt allow me to log in localhost neither when I try to access it from another computer in a different domain, in the log appears that the server is not…
BlackoutDev
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2 answers

How to install WebLogic AdminServer and NodeManager as windows service?

I am trying to install Weblogic adminserver as windows service but getting "Input too long" error while executing the install script.
novicelearner
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1 answer

Hadoop can‘t open node manager

my Hadoop version is 3.x jps shows NameNode,SecondaryNameNode,ResourceManager but no NodeManager. log shows like ERROR org.apache.hadoop.yarn.server.nodemanager.NodeManager: Error starting NodeManagerjava.lang.ExceptionInInitializerErrorat…
RussellXiao
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0 answers

How to properly remove a NodeManager from a Yarn cluster having nodemanager restart recovery enabled?

We have added these configs on yarn-site.xml file of our Hadoop-Yarn cluster. yarn.nodemanager.recovery.enabled true yarn.nodemanager.recovery.supervised …
Mohammad Solaiman
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1
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1 answer

How to add an unsubscribe functionality in Nodemailer?

After looking into the docs for Nodemailer, I couldn't find anything about unsubscribing to an email. I am trying to create a Newsletter for my web-app, and I don't want to use emailing services such as Mailchimp or any other due to the fact they…
GeorGios
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1
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1 answer

Hadoop nodemanager not starting

I am setting up a single node cluster. I am following the https://dev.to/awwsmm/installing-and-running-hadoop-and-spark-on-ubuntu-18-393h tutorial. However, My nodemanager is not starting. 14468 SecondaryNameNode 14648 ResourceManager 14074…
Ayush Goyal
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1
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1 answer

Setting up a cluster in Hadoop - JPS does not show NodeManager and ResourceManager

I am trying configure Hadoop in pseudo-distributed mode. start-dfs.sh works perfectly. jps gives the following output (starts all the daemons properly): 26051 NameNode 26533 SecondaryNameNode 29381 Jps 26237 DataNode However, start-yarn.sh fails to…
nikhilbalwani
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YARN NodeManager becomes unhealthy after ~20 hours of usage, though time varies

Yarn version: 3.1.1 HDP version: 3.1.5 Permissions are fine on the /var/log/ directory itself. (Even tried 777 to ensure it could write, the error still happens) Disk space is also fine - maybe is a connectivity issue to the disk? (although its the…
ProgrammingUnicorn
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1 answer

Showing Memory utilization in Grafana dashboard

I have configured node exporter, grafana and prometheus through docker compose. I want to show Memory usage in the dashboard. I want to match the value shown with what is shown in the Ubuntu System monitor. Below are my queries: This is the…
MsA
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1 answer

Failed to install the OAM using the LCM during the post-configure steps，SSL error

So running a single node full stack installation with LCM. All goes fine till post-configure, where the script fails trying to connect to NodeManager. It gives <2022-12-6 下午08时56分54秒 CST>
xx lin
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Error message while starting nodemanager in Hadoop under Windows 10 environment

In my Windows 10 environment, I installed Hadoop 2.10.1 While starting the nodemanager using .\start-yarn.cmd command, I am getting following error message. The DataNode, ResourceManager and NameNode started properly though. I need help in…
kriti sundar
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0 answers

Hadoop Nodemanager not working in windows

I have installed single node cluster of Hadoop on my windows PC. All the services are working fine except for nodemanager. It is throwing error and shutting down. Here is the error: 2021-06-18 11:00:33,907 ERROR nodemanager.NodeManager: Error…
sheharbano
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1 answer

Store the nmServerStatus () result in a variable in python

I am writing a python file which checks the current status of weblogic server and perform the required action(start/stop). I am using nmServerStatus to get the status of weblogic status. How can I store the the result of nmServerStatus in a variable…
y.k2208
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1 answer

Can two executors / drivers from different Spark applications run on same node in cluster mode?

I read an article in Medium which claims that the number of executors + 1 (for driver), should be a multiple of 3, to efficiently utilize the core on a machine (16 cores, in this case, i.e, 5 per executor and 1 will be reserved for OS and node…
Saiteja Parsi
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