Issue – Environment – Root cause – Spring Boot 3 migrated from Javax to Jakarta. Interestingly it is not backward compatible. When you use Spark 3 or higher in a… Read More »Spark and Spring Boot – NoClassDefFoundError javax/servlet/Servlet
Error – Environment – Root cause – There can be multiple root causes for this issue. Mainly the issue is with keytab file used for kerberos authentication. Please refer below… Read More »Kerberos – Unable to obtain password from user
Security Vulnerabilities – How to fix following security vulnerabilities of protobuf-java core. Environment – All the applications using protobuf-java as third party library. Root cause – A parsing issue similar… Read More »Fix Protobuf-java vulnerabilities CVE-2022-3509 and CVE-2022-3510
Error – Environment – Root cause – You may encounter this issue after upgrading from Spring Boot 2 to Spring Boot 3 with Junit 5. It is happening because any… Read More »Spring Boot 3 – java.lang.ClassNotFoundException: org.junit.jupiter.api.io.CleanupMode
Error – Environment – Root cause – HikariCP connection pool is not able connect with database. There can be many root causes for this.If you are required to be connnected… Read More »HikariPool-1 – Connection is not available, request timed out after 30138ms.