Apache ActiveMQ 5.5.1 is a maintenance release which resolves AMQ-3491, a critical bug which caused the 5.5.0 release to be retracted.
Getting the Binary Distributions
Verify the Integrity of Downloads
It is essential that you verify the integrity of the downloaded files using the PGP or MD5 signatures. The PGP signatures can be verified using PGP or GPG. Begin by following these steps:
(Where <version> is replaced with the actual version, e.g., 5.1.0, 5.2.0, etc.).
Alternatively, you can verify the MD5 signature on the files. A Unix program called
Getting the Binaries using Maven 2
To use this release in your maven project, the proper dependency configuration that you should use in your Maven POM is:
Getting the Source Code
SVN Tag Checkout
Also see the previous ActiveMQ 5.5.0 Release