eunhwa99 commented on code in PR #5048:
URL: https://github.com/apache/zeppelin/pull/5048#discussion_r2309633994


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java/src/main/java/org/apache/zeppelin/java/StaticRepl.java:
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@@ -104,14 +100,16 @@ public static String execute(String generatedClassName, 
String code) throws Exce
     System.setOut(newOut);
     System.setErr(newErr);
 
+    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
+    DiagnosticCollector<JavaFileObject> diagnostics = new 
DiagnosticCollector<>();

Review Comment:
   Oh I see, thanks for the point!
   
   Would it make sense to throw an exception here if JavaCompiler is null, 
since running Java code requires a JDK? 
   Since this seems more related to functional stability, I feel it could be 
handled in a separate PR. How do you feel about that?



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