Java Archives - Whiteboard Talks

Java SSL PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

March 30, 2019 by Sumit Gupta

Sometime back I got below error while connecting to SSL secured site in java. I was using java 8 update 60. Why this error comes and how to resolve it. We will see that. PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target Before getting into solution, I would like …

Exception stack trace suppressed after same exception many times + Java

December 2, 2018 by Sumit Gupta

Sometimes, we have seen in logs same exception occurs continuously and you get full stacktrace of that exception. But after some time, you just get only exception message not full stack trace. The reason for this is below from java doc. The compiler in the server VM now provides correct stack backtraces for all …

Maximum Number Of Threads (Linux/MacOS) + OutOfMemory unable to create new native thread

July 16, 2018 by Sumit Gupta

We create threads in application to improve performance. So, how many maximum threads can we create?? You might wondering we can create threads as much as memory is available in system. So If you try running below program, what is the output you are going to get?? So, only 2029 threads in my application. I …