ASM incompatibility between SQL/Painless and FeatureAwareCheck

[tvernum]

The X-Pack FeatureAwareCheck (#31081) requires ASM 6 (in order to parse recent class file formats).
Painless uses ASM 5, and SQL is now dependent on painless (#30681).

That means that when the feature aware check runs for SQL it has both versions of asm on the commandline and asm 5 gets used which fails to read the JRE's classes.

I pushed 89a2469 to work around it and get the build running again, but I think a better fix is in order.

[elasticmachine]

Pinging @elastic/es-core-infra

[elasticmachine]

Pinging @elastic/es-search-aggs

[tvernum]

I think this is only a problem on Java 10 (and maybe 9 as well, but not 8)

• https://elasticsearch-ci.elastic.co/job/elastic+elasticsearch+master+matrix-java-periodic/ES_BUILD_JAVA=java10,ES_RUNTIME_JAVA=java10,nodes=virtual&&linux/113/console

[costin]

Fixed by f7a0caf and 8305332