martin-g commented on code in PR #3216:
URL: https://github.com/apache/avro/pull/3216#discussion_r1806070231
##########
lang/java/avro/src/test/java/org/apache/avro/TestAvro4078.java:
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@@ -0,0 +1,21 @@
+package org.apache.avro;
+
+import org.apache.avro.specific.SpecificData;
+import org.junit.Test;
+
+/**
+ * Unit test for demonstrating specific data potential issue.
+ */
+public class TestAvro4078 {
+
+ public static final Schema FULLNAME_SCHEMA = (new
Schema.Parser()).parse("{\n" + " \"type\": \"record\",\n"
+ + " \"namespace\": \"org.apache.avro\",\n" + " \"name\":
\"FullName\",\n" + " \"fields\": [\n"
+ + " { \"name\": \"first\", \"type\": \"string\" },\n"
+ + " { \"name\": \"last\", \"type\": \"string\" }\n" + " ]\n" +
"}");
+
+ @Test
+ public void testClassLoad() {
+ System.err.println(FULLNAME_SCHEMA);
+ System.err.println(SpecificData.get().getClass(FULLNAME_SCHEMA));
Review Comment:
Done!
This shows the problem in the test case too!
The static initialization of FullName `READER$` and `WRITER$` fields lead to
a hang!
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