gnodet commented on code in PR #24580:
URL: https://github.com/apache/camel/pull/24580#discussion_r3558986479
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components/camel-mina-sftp/src/test/java/org/apache/camel/component/file/remote/mina/sftp/SftpChangedReadLockIT.java:
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@@ -65,7 +67,7 @@ public void testChangedReadLock() throws Exception {
String content = context.getTypeConverter().convertTo(String.class,
testDirectory.resolve("out/slowfile.dat").toFile());
String[] lines = content.split(LS);
- assertEquals(20, lines.length, "There should be 20 lines in the file");
+ assertEquals(20, lines.length, "There should be 20 lines in the
file.\n" + lines);
Review Comment:
Bug: `lines` is a `String[]`, so `"..." + lines` calls `Object.toString()`
producing output like `[Ljava.lang.String;@1a2b3c4d` — not useful for debugging.
Use `Arrays.toString(lines)` or `String.join("\n", lines)` instead:
```suggestion
assertEquals(20, lines.length, "There should be 20 lines in the
file.\n" + String.join("\n", lines));
```
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