Ubuntu – Webupd8 oracle-java-9-installer failing with 404

aptjdk

When I was installing java jdk using sudo apt-get install build-essential

I was getting the error 404 the file was not found after I followed the solution given in

Can't install Oracle JDK 9
which is to change all files oracle-java9-installer.* change version numbers and SHA256SUM_TGZ as below

177-> 178

arm32: c24e8a5ce4dcf77d6e01362ae2d0a57997bb5018da1d74b6934e050d9d3515c7

arm64: 9839c453b7321e491ee752f2e612ca570caaffcf84cf07bf3776f388bb1ecdba

the installation fails in post installation :

Download done.
Removing outdated cached downloads...
sha256sum mismatch jdk-9+178_linux-x64_bin.tar.gz
Oracle JDK 9 is NOT installed.
dpkg: error processing package oracle-java9-installer (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 oracle-java9-installer
E: Sub-process /usr/bin/dpkg returned an error code (1)

Is there any way to fix this?

I am running Ubuntu 16.04

Best Answer

I stuck in this problem almost 1 week. 

 sudo apt-get purge oracle-java9-installer

solved my issue. Later I also changed Ubuntu Software center server to "Main Server".

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