What’s New in Nacos 2.0.3? Features, Enhancements, Refactoring & Bug Fixes

Nacos community has made extensive optimizations for upgrades from 1.x to 2.0.x to improve stability, adding a new SPI that helps the server determine readiness for upgrade.

The client now includes a retry mechanism to ensure instances and subscribers can register after a failed call.

Significant refactoring and unit testing have also been performed.

Features

[#6384] Added retry capability to Nacos client service discovery.

Enhancements

[#1469] Added a cluster deletion button.

[#5884] Added permissions for historical configurations.

[#5909] Enhanced LDAP authentication log output on authentication failures.

[#5999] Adapted AddressServerMemberLookup to Nacos endpoint.

[#6100] Improved UI of Nacos configuration management.

[#6129] Published ServerConfigChangeEvent when configuration files change.

[#6142] Retries registration and subscription when authentication checks fail.

[#6160] Optimized method for obtaining Nacos client IP address.

[#6175] Ignored requests from disconnected clients to avoid NullPointerException.

[#6178] Unified Nacos page styling.

[#6204] Retrieves user or role data from the database when missing in cache.

[#6367] Added IOReactorExceptionHandler to prevent IOReactor loop exit on unknown network errors.

[#6386] Stops v1 release validation when cluster upgrades to v2.

[#6403] Made Nacos server configurable for naming client expiration time.

Refactoring

[#3102] Removed dependency on common-lang3.

[#5845] Deleted redundant code in InitUtils#initNamespaceForNaming.

[#6197] Removed unnecessary classes.

[#6216] Converted all SQL keywords to uppercase.

[#6217] Added SPI to the upgrade checker.

[#6272] Refactored instance builder to handle HTTP requests.

[#6446] Removed dependency on Guava.

Bug Fixes

[#6107] Fixed garbled Chinese account display on Nacos console homepage.

[#6109] Fixed InstanceUpgradeHelper error in dual-write service.

[#6116] Fixed instance heartbeat check failure when registering same IP/port with old clients on high-concurrency 2.0.x servers.

[#6169] Fixed internationalization issues on Nacos console pages.

[#6198] Fixed NullPointerException when using StringUtils.join.

[#6295] Fixed issue where client IP/port did not delete instance metadata.

[#6335] Fixed startup error when JAVA_HOME path contains spaces on Linux/Unix/Mac.

[#6382][#6476] Fixed null serviceInfo.getChecksum() in nacos-istio.

[#6423] Fixed concurrency issue in YAML parsing.

Download

Console-related dependencies are now packaged in Maven Central.

<dependencies>
  <dependency>
    <groupId>com.pig4cloud.nacos</groupId>
    <artifactId>nacos-config</artifactId>
    <version>2.0.3</version>
  </dependency>

  <dependency>
    <groupId>com.pig4cloud.nacos</groupId>
    <artifactId>nacos-naming</artifactId>
    <version>2.0.3</version>
  </dependency>

  <dependency>
    <groupId>com.pig4cloud.nacos</groupId>
    <artifactId>nacos-istio</artifactId>
    <version>2.0.3</version>
  </dependency>
</dependencies>

ZIP download: nacos-server-2.0.3.zip

References

[1] nacos-server-2.0.3.zip: https://github.com/alibaba/nacos/releases/download/2.0.3/nacos-server-2.0.3.zip