stevedlawrence opened a new issue, #1142:
URL: https://github.com/apache/daffodil-vscode/issues/1142
Steps to reproduce:
```base
sbt clean resources xjc
cp -R debugger/target/scala-2.12/src_managed_cxf/ /tmp
sbt clean resources xjc
diff -rq debugger/target/scala-2.12/src_managed_cxf/ /tmp/src_managed_cxf
```
Repeat lines 3 and 4 until it shows a diff.
So far I've been able to pretty easily reproduce this on Java 8 (`OpenJDK
Runtime Environment (Temurin)(build 1.8.0_432-b06)`) and less likely but still
reproducible on Java 11 (`OpenJDK Runtime Environment Temurin-11.0.25+9 (build
11.0.25+9)`) and so far not at all on Java 21. Not sure if this is a Java
version issue, or some versions just make it more/less likely for some reason.
An example of a diff usually start with something like this:
```diff
diff -Naur
debugger/target/scala-2.12/src_managed_cxf/org/apache/daffodil/tdml/DFDLBaseType.java
/tmp/src_managed_cxf/org/apache/daffodil/tdml/DFDLBaseType.java
---
debugger/target/scala-2.12/src_managed_cxf/org/apache/daffodil/tdml/DFDLBaseType.java
2024-12-06 10:09:30.318167823 -0500
+++ /tmp/src_managed_cxf/org/apache/daffodil/tdml/DFDLBaseType.java
2024-12-06 10:09:16.896018288 -0500
@@ -24,10 +24,10 @@
* <extension base="{http://www.ogf.org/dfdl/dfdl-1.0/}DFDLType">
* <sequence>
* </sequence>
- * <attGroup ref="{http://www.ogf.org/dfdl/dfdl-1.0/}MarkupAG"/>
- * <attGroup ref="{http://www.ogf.org/dfdl/dfdl-1.0/}CommonAG"/>
* <attGroup
ref="{http://www.ogf.org/dfdl/dfdl-1.0/}AlignmentAG"/>
* <attGroup ref="{http://www.ogf.org/dfdl/dfdl-1.0/}BaseAG"/>
+ * <attGroup ref="{http://www.ogf.org/dfdl/dfdl-1.0/}MarkupAG"/>
+ * <attGroup ref="{http://www.ogf.org/dfdl/dfdl-1.0/}CommonAG"/>
* <anyAttribute processContents='lax'
namespace='urn:ogf:dfdl:2013:imp:daffodil.apache.org:2018:int
urn:ogf:dfdl:2013:imp:daffodil.apache.org:2018:ext
http://www.w3.org/XML/1998/namespace
http://www.ibm.com/xmlns/dfdl/testData'/>
* </extension>
* </complexContent>
@@ -52,6 +52,36 @@
...
```
It's always related to attribute groups.
It looks like however xjc outputs attribute groups, it outputs their
generated comments, members, and methods in a random order, instead of the
order they are defined in the schema. This doesn't technically affect anything
since the the order of attribute groups and their members/functions don't
matter, but it does mean the compiled .class files have members/methods in a
different order, which leads to non-reproducibility.
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