[FLINK-17497] Quickstarts Java nightly end-to-end test fails with "class file has wrong version 55.0, should be 52.0"

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.11.0
• Fix Version/s: 1.11.0
• Component/s: Build System / Azure Pipelines, Tests
• Labels: pull-request-available
• Assignee: Robert Metzger
• Reporter: Robert Metzger
• Created: 03/May/20 13:22
• Updated: 17/Jun/20 05:06
• Resolved: 12/May/20 11:44

Description

CI: https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=540&view=logs&j=08866332-78f7-59e4-4f7e-49a56faa3179&t=931b3127-d6ee-5f94-e204-48d51cd1c334

[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
java.io.FileNotFoundException: flink-quickstart-java-0.1.jar (No such file or directory)
	at java.util.zip.ZipFile.open(Native Method)
	at java.util.zip.ZipFile.<init>(ZipFile.java:230)
	at java.util.zip.ZipFile.<init>(ZipFile.java:160)
	at java.util.zip.ZipFile.<init>(ZipFile.java:131)
	at sun.tools.jar.Main.list(Main.java:1115)
	at sun.tools.jar.Main.run(Main.java:293)
	at sun.tools.jar.Main.main(Main.java:1288)
Success: There are no flink core classes are contained in the jar.
Failure: Since Elasticsearch5SinkExample.class and other user classes are not included in the jar. 
[FAIL] Test script contains errors.
Checking for errors...
No errors in log files.
Checking for exceptions...
No exceptions in log files.
Checking for non-empty .out files...
grep: /home/vsts/work/1/s/flink-dist/target/flink-1.11-SNAPSHOT-bin/flink-1.11-SNAPSHOT/log/*.out: No such file or directory
No non-empty .out files.

[FAIL] 'Quickstarts Java nightly end-to-end test' failed after 0 minutes and 6 seconds! Test exited with exit code 1

Issue Links

• relates to: FLINK-18341 Building Flink Walkthrough Table Java 0.1 COMPILATION ERROR
• links to: GitHub Pull Request #12016