HyukjinKwon commented on a change in pull request #25472: [SPARK-28756][R] Fix
checkJavaVersion to accept JDK8+
URL: https://github.com/apache/spark/pull/25472#discussion_r314652011
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File path: R/pkg/R/client.R
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@@ -91,10 +91,15 @@ checkJavaVersion <- function() {
}, javaVersionOut)
javaVersionStr <- strsplit(javaVersionFilter[[1]], "[\"]")[[1L]][2]
- # javaVersionStr is of the form 1.8.0_92.
- # Extract 8 from it to compare to sparkJavaVersion
- javaVersionNum <- as.integer(strsplit(javaVersionStr, "[.]")[[1L]][2])
- if (javaVersionNum != sparkJavaVersion) {
+ # javaVersionStr is of the form 1.8.0_92/9.0.x/11.0.x.
+ # We are using 8, 9, 10, 11 for sparkJavaVersion.
+ versions = strsplit(javaVersionStr, "[.]")[[1L]]
+ if ("1" == versions[1]) {
+ javaVersionNum <- as.integer(versions[2])
+ } else {
+ javaVersionNum <- as.integer(versions[1])
+ }
+ if (javaVersionNum < sparkJavaVersion) {
stop(paste("Java version", sparkJavaVersion, "is required for this
package; found version:",
Review comment:
nit: `stop(paste("Java version", sparkJavaVersion, ", or greater, is
required for this package; found version:",`
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