downgrade java runtime from 1.8.0_60 to 1.8.0_51 on heroku

Question

The recent version of Java runtime update 1.8.0_60 on heroku caused date format issue when signing a PUT request with AWS S3 library.

I am wondering how can we downgrade from 1.8.0_60 to 1.8.0_51 where the error did not happen for the time being.

I tried with system.properties file including

java.runtime.version=1.8.0_51

but it didn't work.

Could you help?

Thank you.

Cheers, Zoltan

If downgrading does fix the issue, please let Heroku support know so we can file a bug against OpenJDK — codefinger, Aug 20 '15 at 15:46

score 0 · Accepted Answer · answered Aug 20 '15 at 15:45

0

You can set the JDK as a config variable like this:

heroku config:set JDK_URL_1_8=http://lang-jvm.s3.amazonaws.com/jdk/openjdk1.8.0_51-cedar14.tar.gz

answered Aug 20 '15 at 15:45

codefinger

Thanks, that did the trick. I also needed to redeploy to create a new slug. – Zoltan Altfatter Aug 20 '15 at 15:57
Also found this. Appears to be a bug in aws-sdk http://stackoverflow.com/questions/32058431/aws-java-sdk-aws-authentication-requires-a-valid-date-or-x-amz-date-header – codefinger Aug 24 '15 at 20:03

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