[SPARK-8558][BUILD] Script /dev/run-tests fails when _JAVA_OPTIONS env var set

Author: fe2s

dev/run-tests.py

@@ -477,7 +477,15 @@ def determine_java_version(java_exe):
 
     raw_output = subprocess.check_output([java_exe, "-version"],
                                          stderr=subprocess.STDOUT)
-    raw_version_str = raw_output.split('\n')[0]  # eg 'java version "1.8.0_25"'
+
+    raw_output_lines = raw_output.split('\n')
+
+    # find raw version string, eg 'java version "1.8.0_25"'. Skip _JAVA_OPTIONS line if present
+    if raw_output_lines[0].startswith("Picked up _JAVA_OPTIONS"):
+        raw_version_str = raw_output_lines[1]
+    else:
+        raw_version_str = raw_output_lines[0]
+
     version_str = raw_version_str.split()[-1].strip('"')  # eg '1.8.0_25'
     version, update = version_str.split('_')  # eg ['1.8.0', '25']