Use Java 17 for Debezium IO #34747

[tkaymak]

This is step 1 for issue #34747 to get to a newer Debezium IO version in Beam, as Debezium requires Java 17 or later with version 3.0 (or later). I tested the local build with gradle and Java 17 before making this change for the build system.

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[liferoad]

So it cannot support Java 11 or Java 8? Note we still have many users for Java 11 and 8.

[tkaymak]

@liferoad no, it unfortunately can't, see here: https://debezium.io/releases/3.0/release-notes#breaking_changes_14

[tkaymak]

The problem is that:

1. The older (but still way newer) Debezium 2.7 does not have the right protobuf (Pin protobuf 3 for debezium #33541)
2. The new one should allow it (https://github.com/debezium/container-images/pull/427/files), but it does require Java 17

[liferoad]

I am fine if we decide this breaking change is needed for Debezium IO to only support Java 17+. Looks like https://github.com/GoogleCloudPlatform/DataflowTemplates does not use this IO directly.

[Abacn]

This change alone does not affect artifact build yet. We can defer the announcement after Debezium client version upgrade

[tkaymak]

@Abacn Thank you! Reverted

[Abacn]

We now use Java 11 to build Beam (with Java 8 byte code compatibility). So change 8 -> 11

[tkaymak]

Thank you! Adjusted to 11

[Abacn]

Thanks. Check in CI change is fine and it would facilitate PR developement.