#Java

3 posts

Nov 29, 20203 min read

Mongock, Mongo and Java

Run MongoDB schema and data migrations from Java with Mongock: when to use it, how changesets work, and what to get right.

Nov 13, 20202 min read

Old JJWT versions call javax.xml.bind.DatatypeConverter for Base64. On Java 11+ that class is gone — upgrade JJWT and use java.util.Base64.

Nov 12, 20202 min read

Switch between JDKs on macOS with java_home, shell aliases, and a PATH that actually follows JAVA_HOME.