Failing JTReg: java/io/CharArrayReader/OverflowInRead.java

[M-Davies]

https://github.com/ibmruntimes/openj9-openjdk-jdk11/blob/d24795242d614819423ba3b48f91e61c7f675a6c/test/jdk/java/io/CharArrayReader/OverflowInRead.java#L1 fails intermittently for JDK11/13 on all platforms

• Category: openjdk
• Testname: java/io/CharArrayReader/OverflowInRead.java
• Jenkins can't seem to find the test but it can find the file OverflowInRead.java, producing a Test results: no tests selected result (perhaps due to the absence of a @Test flag in the main method?).
• Ran locally, the test passes without issue on mac, windows and linux for JDK11 & 13 when using the "quick and dirty" method of running tests (e.g. `./java -jar jtreg.jar OverflowInRead.java) but also when running the test as per https://github.com/eclipse/openj9/wiki/Reproducing-Test-Failures-Locally. JDK versions are the same (on jenkins and local)
• Yet this test is excluded anyway (probably due to the previously mentioned Jenkins result)
  Is this the appropriate place to raise this problem?

[smlambert]

Investigate the annotations at the top of the test, do we have the proper settings in our playlists?

example, this test has a @requires tag, we may need to restrict this test to machines with certain capabilities or set some JVM options for the run
https://github.com/ibmruntimes/openj9-openjdk-jdk11/blob/d24795242d614819423ba3b48f91e61c7f675a6c/test/jdk/java/io/CharArrayReader/OverflowInRead.java#L27

[sophia-guo]

Good catch, I just googled
@requires
Express a dependence on characteristics of the system being tested, which is supported by jtreg framework. Should not need any manual setting.

To confirm I just run a grinder on linux with jdk_custom=test/jdk/java/io/CharArrayReader/OverflowInRead.java

https://ci.adoptopenjdk.net/view/work%20in%20progress/job/Grinder_Sandbox/982/console

03:27:49  Test results: no tests selected

Tried also with 'openjdk_sparcv9_solaris' as it is sun.arch unfortunately the machine has not setup correctly.
https://ci.adoptopenjdk.net/view/work%20in%20progress/job/Grinder_Sandbox/984/

To double check could also search another test with @requires tag asking other platforms.

[M-Davies]

That'll teach me to double check the details at the top of the test instead of diving straight into the code! Thank you both :). Seeing as we don't have any working solaris machines at hyc either, I'll try and test this locally on a solaris VM

[M-Davies]

Currently waiting for my solaris SPARC approval to go through so until then, there's not much else I can do for this. I'll comment again if I get approved
https://www.oracle.com/solaris/solaris11/downloads/solaris11-vm-templates-downloads.html

[M-Davies]

A month down the line without approval. I'll send another request.

[M-Davies]

@smlambert Does adopt distribute solaris-hotspot-jdk11 from the website? I can see a solaris jdk8 but no jdk11

[smlambert]

No, we currently do not have a jdk11 solaris build, see adoptium/temurin-build#1279

[M-Davies]

Are there any other builds at adopt that are sun.arch? If not, without the architecture to run the test on at the moment, this issue can be closed for now and picked up when jdk11 is supported on solaris

[smlambert]

agree, closing this issue now (since no jdk11 on solaris) or hardware setup for testing jdk8 build.