I downgraded script-security to a version that runs in 1.6 and the problem is now fixed. Thanks for your help!
On Monday, July 12, 2021 at 10:11:03 PM UTC+3 [email protected] wrote: > I guess you update some plugins one of those plugins is the script > security plugin, which in the version you update works on Jenkins 1.609 but > does not support Java 6. I will tell you that the faster solution is to > restore the plugins folder from a backup that you have before the changes > on the plugins, if you do not have that backup you have to review all hpi > files in the plugins folder, and check the file MANIFEST.MF inside the hip > file, it is a zip, in that manifest, you have to check the value in > "Minimum-Java-Version:", all the plugins that require 1.8 are not valid for > your installation. But again you have a security clock boom on that > instance a Java version from 2013 and a Jenkins core from 2015. > > El lunes, 12 de julio de 2021 a las 20:21:51 UTC+2, [email protected] > escribió: > >> On our current production server we run 1.609 with Java 1.6. It is very >> very old but it's not my decision to upgrade it, it's the Dev Team's. This >> version and this Java are indeed compatible, Jenkins runs fine on our >> current server. >> >> I therefore need to revert to 1.6 anything that has, inadvertently, gone >> to 1.8. Please help me with that. To start with, am I running into 1.8 >> plugins, or 1.8 artifacts? >> >> Some sites suggest that this is a browser/Javascript issue. I'm at a loss. >> >> On Monday, July 12, 2021 at 7:25:52 PM UTC+3 [email protected] wrote: >> >>> "Unsupported major.minor version 52.0" means that you need to run on >>> Java 8 (see >>> https://stackoverflow.com/questions/10382929/how-to-fix-java-lang-unsupportedclassversionerror-unsupported-major-minor-versi/ >>> ) >>> >>> the Java 6 version you are using is EOL since 2013 (see >>> https://en.wikipedia.org/wiki/Java_version_history) and your Jenkins >>> version was released in 2015 (see >>> https://www.jenkins.io/changelog-stable/#v1.609.3) so I don't know if >>> that version can run on Java 6, I dunno why you are trying to use something >>> old and with tons of issues resolved in the latest version on an outdated >>> and without support Java version, but sounds like a no-good idea. >>> >>> El lunes, 12 de julio de 2021 a las 16:33:20 UTC+2, [email protected] >>> escribió: >>> >>>> Let me add that the system property java.class.version on both >>>> servers new (source and copy) has the value 50.0 >>>> >>>> So it seems I need to get rid of all 52.0 stuff. >>>> >>>> >>>> >>>> On Monday, July 12, 2021 at 4:30:53 PM UTC+3 GI D wrote: >>>> >>>>> On a copied installation of Jenkins 1.609 to a new server, I notice >>>>> that when I select a build and click "configure", I get a greyed-out >>>>> config >>>>> page with "LOADING" as a watermark that never goes away. At the same time >>>>> I >>>>> see in catalina.out lots of errors such as this: >>>>> >>>>> Jul 12, 2021 4:15:20 PM hudson.ExpressionFactory2$JexlExpression >>>>> evaluate >>>>> WARNING: Caught exception evaluating: d.helpFile in >>>>> /jenkins/job/platform%20set%20branch%20name/configure. Reason: jav >>>>> a.lang.reflect.InvocationTargetException >>>>> .... >>>>> .... >>>>> Caused by: java.lang.UnsupportedClassVersionError: >>>>> org/jenkinsci/plugins/scriptsecurity/sandbox/RejectedAccessException : >>>>> Unsupported major.minor version 52.0 >>>>> >>>>> I think the reason is that, for a few days, I was running the new >>>>> Jenkins with a slightly newer Java version (1.6.0_41 rather than >>>>> 1.6.0_30). >>>>> Now I have made sure I run it with _30. During this short period this >>>>> particular build has been executed a few times. However I do get the same >>>>> problem on other builds that have not executed on this new server. >>>>> >>>>> Almost all errors (or warnings if you will) are about the >>>>> script-security plugin. >>>>> >>>>> Please advise. >>>>> >>>>> - George >>>>> >>>>> -- You received this message because you are subscribed to the Google Groups "Jenkins Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-users/2fbf1b5c-f294-4816-858b-ae014ed1d3dan%40googlegroups.com.
