Dynatrace : OneAgent release notes version 1.227

Rollout starts 18 October 2021

With this release, the oldest supported OneAgent versions are:

Compatibility

OneAgent core dump capture logic has been adjusted for compatibility with Red Hat Automatic Bug Reporting Tool (ABRT).

Java

Node.js

Go

• Added support for gRPC 1.40 - 1.41

Operating systems

Current Dynatrace OneAgent technology support changes

Dynatrace OneAgent 1.227 is the last version to support the following technologies

• OpenTelemetry 1.0.0-RC1 for Go
• OpenTelemetry 1.0.0-RC2 for Go

Future Dynatrace OneAgent operating systems support changes

The following operating systems will no longer be supported starting 01 December 2021

• Linux: Fedora 32
• Windows: Windows Server 1909

The following operating systems will no longer be supported starting 01 February 2022

• Linux: Red Hat Enterprise Linux CoreOS 4.5
• Linux: Ubuntu 20.10
  • x86 (64bit-only) PPCLE s390x ARM64 (AArch64)
  • Vendor announcement
  • Last compatible Dynatrace OneAgent version: 1.225

The following operating systems will no longer be supported starting 01 March 2022

• Linux: Google Container-Optimized OS 81 LTS

The following operating systems will no longer be supported starting 01 April 2022

• UNIX: IBM AIX 7.2 TL3

Resolved issues

General availability (Build 1.227.137)

18 total resolved issues (1 vulnerability)

.NET

• Beacon requests not on root path (`/xx/rb_xxx`) are now filtered correctly on Asp.Net applications. (ONE-65578)
• OpenTelemetry .NET no longer injects into preview versions of the System.Diagnostics.DiagnosticSource package. (ONE-65252)
• Reference to `System.Diagnostics.DiagnosticSource` is no longer needed for `Microsoft.AspNetCore.Http.Abstractions`. (ONE-65682)
• Broken PurePaths no longer occur when using the new synchronous API to send HTTP requests in .NET 5. (ONE-65445)
• Resolved issue that was breaking PurePath when spaces in header names crashed the OneAgent HTTP sensor. (ONE-63647)

Node.js

• Searching exported functions for Node.js custom services now also correctly returns async and arrow functions. (ONE-65238)

Go

• Resolved an issue in OneAgent Go HTTP metrics module which occurred when a panic was thrown in user code. (ONE-64117)

IIS

• Resolved an issue with concurrency handling in the IIS Module Insights sensor that could, under load, lead to OneAgent crashes. (ONE-64006)

All modules

• Improved Kubernetes detection for OneAgent running in a pod of a Kubernetes cluster on Mesos. (ONE-64943)

General

• Fixed an issue that caused injection into Docker containers to fail. (APM-319795)
• Java code module injection issue resolved for an uncommon type of JVM linkage on Linux. (APM-325097)

Infrastructure Monitoring

• Vulnerability: Updated urllib library from version 1.26.4 to version 1.26.6 in response to CVE-2021-33503 and BDSA-2021-1688. (ONE-61605)

Mainframe

• CICS Process Groups fixed to properly use the PLEX name. (ONE-65951)

OneAgent Installer

• Restored handling of OneAgent installer legacy parameters for deployment via earlier versions of ActiveGate. (APM-326266)
• SELinux policy now provides rule for Musl libc-compiled oneagentdynamizer, resolving problem with denials and preventing static Go monitoring from working in containerized environments. (APM-327994)

OpenTracing Java

• Fixed an issue in which the OneAgent Java for z/OS module never tried to connect after certain errors. (ONE-63709)

OS module

• Reduced redundant log entries from OneAgent OS module. (APM-319598)

Plugin module

• Couchbase `swap used` metric calculation changed from the sum of all samples from all buckets to the maximum value from those samples. (APM-323433)

OneAgent for mobile resolved issues

2 total resolved issues

Mobile

• Mobile Symbolication: Improved special character handling for DSSClient iOS symbol file processing. (ONE-64297)

Mobile Session Replay

• Session Replay for iOS: Improvements in UITextViews masking feature depending on if it is editable or not. (ONE-63520)

OneAgent for JavaScript resolved issues

JavaScript

• Fixed a bug in the Visually complete module that causes missing or invalid values for Synthetic tests on pages that are already instrumented with RUM and Visually complete. (ONE-63712)
• Fixed a bug in the Visually complete module that causes missing or invalid values for Synthetic tests and deferred injected agents on pages with picture elements. (ONE-63921)
• Fixed a bug when validating `sourceUrls` that caused them not to be sent for certain custom actions. Removed legacy `sourceTitle` from `enterAction` API. (ONE-63952)
• Fixed a bug that causes browsers to trigger invalid preflights on CORS requests whose URLs start with a whitespace. (ONE-65149)
• Fixed a problem that was caused by passing a function as data for a jquery request. (ONE-65116)
• Fixed an issue where if window.clearTimeout would have been called with lodash chain object, jsagent would invoke the methods from the chain and cause side effects. (ONE-65845)