[jira] [Created] (CALCITE-4459) Type annotations defeat org.jboss:jandex bytecode parser sometimes

["Vladimir Sitnikov (Jira)" <ji...@apache.org>]

Vladimir Sitnikov created CALCITE-4459:
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             Summary: Type annotations defeat org.jboss:jandex bytecode parser sometimes
                 Key: CALCITE-4459
                 URL: https://issues.apache.org/jira/browse/CALCITE-4459
             Project: Calcite
          Issue Type: Improvement
          Components: core, linq4j
            Reporter: Vladimir Sitnikov
            Assignee: Vladimir Sitnikov


For instance, the following code in {{org.apache.calcite.linq4j.EnumerableDefaults.WrapMap}}
{code:java}
    @Override public Set<Entry<@KeyFor("this") K, V>> entrySet() {
      return new AbstractSet<Entry<@KeyFor("this") K, V>>() {
{code}

produces the following exception with {{org.jboss:jandex:2.0.3.Final}}

{noformat}
Caused by: java.lang.IllegalStateException: Class extends type annotation appeared on a non class target
  at org.jboss.jandex.Indexer.processTypeAnnotation(Indexer.java:403)
  at org.jboss.jandex.Indexer.processTypeAnnotations(Indexer.java:380)
  at org.jboss.jandex.Indexer.processAttributes(Indexer.java:314)
  at org.jboss.jandex.Indexer.processMethodInfo(Indexer.java:271)
  at org.jboss.jandex.Indexer.index(Indexer.java:1454)
{noformat}

Note: Calcite bytecode is perfectly valid (provided a recent javac is used), however, jandex is used by Hibernate, Quarkus (and other projects), so it might result in non-tirival exceptions like {{IllegalStateException: Class extends type annotation appeared on a non class target}} while users would have absolutely no clue which class causes failure and why.

Sample jandex issues: https://github.com/wildfly/jandex/issues/98, https://github.com/wildfly/jandex/issues/88, https://github.com/wildfly/jandex/issues/80, and others.

I suggest we parse Calcite-produced classes with Jandex, so we know when incompatibility happens.

Here's the same case for pgjdbc/pgjdbc: https://github.com/pgjdbc/pgjdbc/pull/2010




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