I am trying to run this JNLP file on Windows 10 to connect to a server (actually, I am connecting to a dedicated server via KVM over IPMI (IPKVM) or whatever it is called, so I can install a new operating system).
I am getting error
The server selected protocol version TLS10 is not accepted by client preferences.
Is there something I need to do in Java client to fix the error?
Go to folder C:\Program Files (x86)\Java\jre1.8.0_291\lib\security.
In file java.security, find option jdk.tls.disabledAlgorithms and delete TLSv1.
It appears that the latest update of Java 11 has disabled TLS 1.0 and TLS 1.1.
Here is the detailed documentation on how to enable it again: TLS 1.0/1.1 changes in OpenJDK and Amazon Corretto
Apparently, I was caught in this issue because of a JDK update today and had hard time finding it. This can help.
Don't update to Java 11. Nowadays TLS 1.0 is outdated. The sites using TLS 1.0 and TLS 1.1 certificates for encryption will be marked as insecure in browsers.
So better to update the Transport Layer Security (TLS) version in SQL Server.
Please follow the pages:
The first thing to do: Go to folder C:\Program Files\Java\jre1.8.0_291\lib\security. In file java.security, find option jdk.tls.disabledAlgorithms and delete TLSv1.
If it still doesn't work, make sure to have line
deployment.security.TLSv1=true
in file C:\Users\JavaUser\AppData\LocalLow\Sun\Java\Deployment\deployment.properties
You can set it in JRE inside SoapUI (if you are using it): Remove "TLSv1, TLSv1.1" from "jdk.tls.disabledAlgorithms" property in file ${soapui_home}/jre/conf/securityjava.security.
Go to Control Panel, Program. Click on Java (Java control Panel), go to Advanced, scroll down and check TLS 1.0 and TLS 1.1.
Close your program and start it again.
Problem: TLS 1.0 is not supported in Java 1.8 and above. To connect to SQL Server 2014 and below servers, you need to send TLS 1.0 connection.
Solution: if you downgrade your project to Java 1.7 version this problem will be solved. The JDBC driver version you are using should be 4.2.
Solution for Java 1.7 SSL connection issue:
You will get an error when you query websites with SSL certificate in Java 1.7 version. To fix this error; Download the site’s .cer certificate. Next (note we are talking about JRE file here), write “keytool” in the carsets file at %path_java_jre\lib\security. Your connection problem will disappear.
