This article seeks to give those getting started with Filebeat the tools and knowledge to install, configure, and run it to ship data into the other components in the stack.
Elasticsearch can help the Java EE world with both NoSQL documents and a search engine. See how to join the best of these two worlds using Eclipse JNoSQL.
JPA has its own query language and supports native SQL. You can create queries in a very similar way as JPQL queries and they can even return managed entities.