[GitHub] spark issue #21278: [SPARKR] Require Java 8 for SparkR

2018-05-11 Thread shivaram
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Merging this to master and branch-2.3


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[GitHub] spark issue #21278: [SPARKR] Require Java 8 for SparkR

2018-05-09 Thread felixcheung
Github user felixcheung commented on the issue:

https://github.com/apache/spark/pull/21278
  
nice I like it... they also say
```
When specifying a minimum Java version please use the official version 
names, which are (confusingly)

1.1 1.2 1.3 1.4 5.0 6 7 8 9 10
and supposedly will in 2018 move to a year.month scheme such as ‘18.9’.
```

so it might still break in the future though..



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[GitHub] spark issue #21278: [SPARKR] Require Java 8 for SparkR

2018-05-09 Thread felixcheung
Github user felixcheung commented on the issue:

https://github.com/apache/spark/pull/21278
  
it fails with
```
Quitting from lines 65-67 (sparkr-vignettes.Rmd) 
Error: processing vignette 'sparkr-vignettes.Rmd' failed with diagnostics:
Java version check failed. Please make sure Java is installed and set 
JAVA_HOME to point to the installation directory.
Execution halted
```


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[GitHub] spark issue #21278: [SPARKR] Require Java 8 for SparkR

2018-05-09 Thread shivaram
Github user shivaram commented on the issue:

https://github.com/apache/spark/pull/21278
  
Looking at http://r-pkgs.had.co.nz/description.html - `... the 
SystemRequirements field. But this is just a plain text field and is not 
automatically checked.` I think using `== 8` is probably fine.

I also added code to parse this and check equality -- that way if we only 
support Java 9 in the future we only need to change the `DESCRIPTION` file


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[GitHub] spark issue #21278: [SPARKR] Require Java 8 for SparkR

2018-05-09 Thread felixcheung
Github user felixcheung commented on the issue:

https://github.com/apache/spark/pull/21278
  
I see yes, maybe grep for java version


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[GitHub] spark issue #21278: [SPARKR] Require Java 8 for SparkR

2018-05-09 Thread shivaram
Github user shivaram commented on the issue:

https://github.com/apache/spark/pull/21278
  
Ah I know the problem with the vignettes - if you have _JAVA_OPTIONS set 
then the line numbers change. i.e. the output looks like 
```
shivaram@localhost ~ » export _JAVA_OPTIONS="-XX:-UsePerfData"
shivaram@localhost ~ » java -version
Picked up _JAVA_OPTIONS: -XX:-UsePerfData
java version "1.8.0_92"
```

We need to find the line with 'java version' in it. I'll fix this in the 
morning


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[GitHub] spark issue #21278: [SPARKR] Require Java 8 for SparkR

2018-05-09 Thread felixcheung
Github user felixcheung commented on the issue:

https://github.com/apache/spark/pull/21278
  
```
Quitting from lines 65-67 (sparkr-vignettes.Rmd) 
Error: processing vignette 'sparkr-vignettes.Rmd' failed with diagnostics:
Java version check failed
Execution halted
```
hmm


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[GitHub] spark issue #21278: [SPARKR] Require Java 8 for SparkR

2018-05-09 Thread felixcheung
Github user felixcheung commented on the issue:

https://github.com/apache/spark/pull/21278
  
yea, I don't think Spark builds on Java 9 (at least from what I've seen)

I see the package is gone from CRAN so the test results are brief but maybe 
related to
https://cran.r-project.org/web/checks/check_results_SparkR.html
```
 Error: processing vignette 'sparkr-vignettes.Rmd' failed with diagnostics:
java.lang.IllegalArgumentException
at org.apache.xbean.asm5.ClassReader.(Unknown Source)
```
https://issues.apache.org/jira/browse/SPARK-24201


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[GitHub] spark issue #21278: [SPARKR] Require Java 8 for SparkR

2018-05-09 Thread shivaram
Github user shivaram commented on the issue:

https://github.com/apache/spark/pull/21278
  
Ah got it - Thanks @HyukjinKwon . I'll check if `== 1.8` is supported by R 
syntax

@felixcheung I moved the logic into a `checkJavaVersion` function now. Let 
me know if this looks better.


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[GitHub] spark issue #21278: [SPARKR] Require Java 8 for SparkR

2018-05-09 Thread HyukjinKwon
Github user HyukjinKwon commented on the issue:

https://github.com/apache/spark/pull/21278
  
(I think Spark itself doesn't properly support Java 9 yet if I haven't 
missed a discussion or thread)


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[GitHub] spark issue #21278: [SPARKR] Require Java 8 for SparkR

2018-05-08 Thread shivaram
Github user shivaram commented on the issue:

https://github.com/apache/spark/pull/21278
  
Thats a fair question -- I initially created a script was to handle Windows 
calls but I think we can do some of the split stuff inside R. Let me try that 
out. 

Regarding Java 9,  do you know why tests fail ? (Is this R specific ?) 
Reading the documentation, I am not sure we can set it exactly to just be Java 8


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[GitHub] spark issue #21278: [SPARKR] Require Java 8 for SparkR

2018-05-08 Thread felixcheung
Github user felixcheung commented on the issue:

https://github.com/apache/spark/pull/21278
  
also I think test fails on Java 9 - is there a way to exclude - doc sounds 
like it's a minimal version


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[GitHub] spark issue #21278: [SPARKR] Require Java 8 for SparkR

2018-05-08 Thread shivaram
Github user shivaram commented on the issue:

https://github.com/apache/spark/pull/21278
  
The need for both the Requirements field and the runtime check is 
documented at 
https://cran.r-project.org/doc/manuals/r-release/R-exts.html#Writing-portable-packages
 (Search for `Make sure that any version requirement for Java code` in that 
page)

cc @felixcheung 


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