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Keytool EC KeyPairGenerator not available

When I use keytool to generate a key with ECC, I get this error:

Error keytool: EC KeyPairGenerator not available

Then syntax used to generate a key is:

keytool -genkey -alias testing -keyalg EC -keysize 256 -keystore try.jks -dname "CN=localhost,OU=dep,O=lks,L=ny,ST=ny,C=USA"

I have this Java version:

openjdk version "1.8.0_60"
OpenJDK Runtime Environment (build 1.8.0_60-b16)                            
OpenJDK 64-Bit Server VM (build 25.60-b16, mixed mode)



I solved the problem by reading the following article (linked by the user @QuakeCore). If someone has the same issue, he/she can solve by following my steps:

  1. Download Java Oracle (tar.gz);
  2. Copy the file jdk1.8.0_*/jre/lib/amd64/ from extracted folder to /usr/lib/jvm/java-1.8.0-openjdk.x86_64/jre/lib/amd64/;
  3. Use the syntax written in my original question to generate the key.
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