can't upgrade jenkins for java version error

MohammedSimba :

I have Jenkins running on my Ubuntu 14.04, and i am trying to do upgrade for jenkins using normal apt-get install jenkins, but when i try to do it, i keep getting the error:

Setting up jenkins (2.73) ...
Found an incorrect Java version
Java version found:
java version "1.7.0_131"
OpenJDK Runtime Environment (IcedTea 2.6.9) (7u131-2.6.9-0ubuntu0.14.04.2)
OpenJDK 64-Bit Server VM (build 24.131-b00, mixed mode)

Aborting
invoke-rc.d: initscript jenkins, action "start" failed.
dpkg: error processing package jenkins (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 jenkins
E: Sub-process /usr/bin/dpkg returned an error code (1)

Nothing shown in the jenkins logs, even when restarting jenkins i get the same jave wrong version error,

Any help please?

racraman :

You're using Java 7, but Jenkins needs Java 8 - see: https://jenkins.io/blog/2017/04/10/jenkins-has-upgraded-to-java-8

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