check if JavaCompiler is avaliable. #799

2024-04-21 10:21:39 +00:00 · 2019-08-06 16:47:44 +08:00
parent c1c8cfc0d3
commit b41df4a5bd
1 changed files with 5 additions and 0 deletions
@@ -25,6 +25,11 @@ public class DynamicCompiler {
    private final List<Diagnostic<? extends JavaFileObject>> warnings = new ArrayList<Diagnostic<? extends JavaFileObject>>();

    public DynamicCompiler(ClassLoader classLoader) {
+        if (javaCompiler == null) {
+            throw new IllegalStateException(
+                            "Can not load JavaCompiler from javax.tools.ToolProvider#getSystemJavaCompiler(),"
+                                            + " please confirm the application running in JDK not JRE.");
+        }
        standardFileManager = javaCompiler.getStandardFileManager(null, null, null);

        options.add("-Xlint:unchecked");