Release Notes for Storm 2.4.0

JIRA issues addressed in the 2.4.0 release of Storm. Documentation for this release is available at the Apache Storm project site.

Improvement

• [STORM-3799] - Logging user information for blob delete req
• [STORM-3801] - newWorkerEvent doesn't report properly for multiple reporters
• [STORM-3802] - Allow adding metrics reporters to all topologies
• [STORM-3803] - Format large integers in Storm UI with commas for readability
• [STORM-3804] - Don't allow deleting blobs if they are required for an active topology
• [STORM-3807] - Topology Stats columns show NaN
• [STORM-3815] - allow option to disable sending of __send-iconnection metrics
• [STORM-3824] - upgrade httpclient due to security issues
• [STORM-3828] - upgrade org/glassfish/javax.el due to build problems
• [STORM-3829] - Remove log4j version 1 (1.2.17) from storm-core
• [STORM-3831] - exclude all old log4j

Dependency upgrade

• [STORM-3811] - Upgrade log4j version to 2.17.1
• [STORM-3817] - Upgrading to Zookeeper 3.5.x, 3.6.x or 3.7.x
• [STORM-3821] - use commons-compress 1.21 due to security issues