John Blum created GEODE-9657:
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Summary: Javadoc errors occur on Java 17 due to split packages in
Geode
Key: GEODE-9657
URL: https://issues.apache.org/jira/browse/GEODE-9657
Project: Geode
Issue Type: Bug
Components: core
Affects Versions: 1.14.0, 1.13.4
Reporter: John Blum
When trying to build any library, framework (e.g. _Spring Data for Apache
Geode_ (SDG)) or application with Apache Geode on Java 17, Javadoc errors occur.
For example:
{code}
22:36:52 [ERROR]
/opt/jenkins/data/workspace/spring-data-geode_3.0.x/spring-data-geode/src/main/java/org/springframework/data/gemfire/function/PojoFunctionWrapper.java:53:
error: cannot access Identifiable
22:36:52 [ERROR] public class PojoFunctionWrapper implements Function {
22:36:52 [ERROR] ^
22:36:52 [ERROR] class file for org.apache.geode.lang.Identifiable not found
{code}
As it turns out, in Java 17, the _Javadoc_ tool now uses _Java_ modules.
_Javadoc_ is started with:
{code}
javadoc … --add-modules ALL-MODULE-PATH --module-path --patch-module …
{code}
{{geode-core-1.14.0.jar}} ships
{{org.apache.geode.lang.AttachAPINotFoundException}} and
{{geode-common-1.14.0.jar}} ships {{org.apache.geode.lang.Identifiable}}. Due
to this split-package arrangement, _Javadoc_ isn’t discovering {{Identifiable}}
because it has found the package {{org.apache.geode.lang}} in
{{geode-core-1.14.0.jar}}.
The best course of action is to make sure all {{org.apache.geode.lang}}
sub-packages and class are in 1 JAR (e.g. {{geode-common}}) or the other (i.e.
{{geode-core}}).
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