CODEWITHSUNDEEP
rh2o
Ransingh Satyajit Ray
Ransingh Satyajit Ray

Reputation: 404

Error while running h2o.init function in R

While running h2o.init() function I am facing an error as mentioned below, can you please help me understand why am I getting the error and what should in do inorder to avoid this error in future.

H2O is not running yet, starting it now...

Note:  In case of errors look at the following log files:
    C:\Users\ransingh.ray\AppData\Local\Temp\abc/h2o_RANSINGH_RAY_started_from_r.out
    C:\Users\ransingh.ray\AppData\Local\Temp\abc/h2o_RANSINGH_RAY_started_from_r.err

java version "14.0.1" 2020-04-14
Java(TM) SE Runtime Environment (build 14.0.1+7)
Java HotSpot(TM) 64-Bit Server VM (build 14.0.1+7, mixed mode, sharing)

Starting H2O JVM and connecting: ............................................................Diagnostic HTTP Request:
   HTTP Status Code: -1
HTTP Error Message: Failed to connect to localhost port XXXXX: Connection refused
 
Error Output:
   Only Java 8, 9, 10, 11, 12 and 13 are supported, system version is 14.0.1 
Error in h2o.init() : H2O failed to start, stopping execution.

Upvotes: 1

Views: 220

Answers (2)

Ransingh Satyajit Ray
Ransingh Satyajit Ray

Reputation: 404

Tried uninstalling the h2o , then stopped the current R session, then restarted the R session and followed the installation process mentioned in h2o website. This is working now.

Upvotes: 0

Andre Reynaldi Lusikooy
Andre Reynaldi Lusikooy

Reputation: 63

It's written on the error line :

Error Output: Only Java 8, 9, 10, 11, 12 and 13 are supported, system version is 14.0.1 Error in h2o.init() : H2O failed to start, stopping execution.

Only Java 8 up to 13 are supported in your version of H2O, while yours is 14.0.1, which causes it failed to execute. Java 14 support was officially added in H2O 3.30.1.1. You can either downgrade your version of Java, or upgrade your version of H2O. H2O 3.30.1.1 was recently released and not yet on CRAN, but you can install it using the following code in R:

if ("package:h2o" %in% search()) { detach("package:h2o", unload=TRUE) }
if ("h2o" %in% rownames(installed.packages())) { remove.packages("h2o") }
install.packages("h2o", type="source", repos="http://h2o-release.s3.amazonaws.com/h2o/rel-zeno/1/R")

Upvotes: 5

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