pan3793 commented on code in PR #4725:
URL: https://github.com/apache/zeppelin/pull/4725#discussion_r1512118527
##########
zeppelin-interpreter-integration/src/test/java/org/apache/zeppelin/integration/SparkIntegrationTest.java:
##########
@@ -389,4 +393,20 @@ private String getPythonExec() throws IOException,
InterruptedException {
}
return IOUtils.toString(process.getInputStream(),
StandardCharsets.UTF_8).trim();
}
+
+ private String getRScriptExec() throws IOException, InterruptedException {
+ Process process = Runtime.getRuntime().exec(new String[]{"which",
"Rscript"});
+ if (process.waitFor() != 0) {
+ throw new RuntimeException("Fail to run command: which Rscript.");
+ }
+ return IOUtils.toString(process.getInputStream(),
StandardCharsets.UTF_8).trim();
+ }
+
+ private String getRExec() throws IOException, InterruptedException {
+ Process process = Runtime.getRuntime().exec(new String[]{"which", "R"});
+ if (process.waitFor() != 0) {
+ throw new RuntimeException("Fail to run command: which Rscript.");
Review Comment:
```suggestion
throw new RuntimeException("Fail to run command: which R.");
```
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