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bugfix data follow sync from leader acceptorManager NullPointer Excep… #354

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@huanglongchao huanglongchao commented Jun 25, 2024 •
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#355

Summary by CodeRabbit

  • Bug Fixes

    • Updated various project module versions from 6.5.1 to 6.5.2 to ensure compatibility and address minor issues.
    • Added a null check in the diffPublishersResult method to prevent potential null pointer exceptions.

  • Improvements

    • Enhanced stability and performance through minor version updates across multiple modules.

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coderabbitai bot commented Jun 25, 2024 •
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Walkthrough

The update from version 6.5.1 to 6.5.2 primarily entails minor version changes across multiple POM files relating to the registry project, signifying minor improvements or bug fixes. A notable code modification adds a null check for the acceptorManager in the diffPublishersResult method of DataSlotDiffUtils.java, enhancing the filtering logic for publishers.

Changes

File Path Summary
client/**/pom.xml, core/pom.xml, pom.xml, server/**/pom.xml, test/pom.xml Updated version from 6.5.1 to 6.5.2
server/common/model/src/main/java/.../DataSlotDiffUtils.java Added null check for acceptorManager in diffPublishersResult method

Poem

In the world of code, we see,
Versions tick, from one to three,
A null guard stands, in place so grand,
Bugs fixed with a thoughtful hand.
The registry dances in delight,
With 6.5.2 shining bright.
🐇✨

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coderabbitai bot reviewed Jun 25, 2024
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Actionable comments posted: 0

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 0d4ffd5 and c9579cf.

Files selected for processing (31)
  • VERSION (1 hunks)
  • client/all/pom.xml (1 hunks)
  • client/api/pom.xml (1 hunks)
  • client/impl/pom.xml (1 hunks)
  • client/log/pom.xml (1 hunks)
  • client/pom.xml (1 hunks)
  • core/pom.xml (1 hunks)
  • pom.xml (1 hunks)
  • server/common/model/pom.xml (1 hunks)
  • server/common/model/src/main/java/com/alipay/sofa/registry/common/model/PublisherUtils.java (1 hunks)
  • server/common/model/src/main/java/com/alipay/sofa/registry/common/model/dataserver/DatumSummary.java (1 hunks)
  • server/common/pom.xml (1 hunks)
  • server/common/util/pom.xml (1 hunks)
  • server/distribution/all/pom.xml (1 hunks)
  • server/distribution/pom.xml (1 hunks)
  • server/pom.xml (1 hunks)
  • server/remoting/api/pom.xml (1 hunks)
  • server/remoting/bolt/pom.xml (1 hunks)
  • server/remoting/http/pom.xml (1 hunks)
  • server/remoting/pom.xml (1 hunks)
  • server/server/data/pom.xml (1 hunks)
  • server/server/integration/pom.xml (1 hunks)
  • server/server/meta/pom.xml (1 hunks)
  • server/server/pom.xml (1 hunks)
  • server/server/session/pom.xml (1 hunks)
  • server/server/shared/pom.xml (1 hunks)
  • server/store/api/pom.xml (1 hunks)
  • server/store/jdbc/pom.xml (1 hunks)
  • server/store/jraft/pom.xml (1 hunks)
  • server/store/pom.xml (1 hunks)
  • test/pom.xml (1 hunks)
Files skipped from review due to trivial changes (29)
  • VERSION
  • client/all/pom.xml
  • client/api/pom.xml
  • client/impl/pom.xml
  • client/log/pom.xml
  • client/pom.xml
  • core/pom.xml
  • pom.xml
  • server/common/model/pom.xml
  • server/common/pom.xml
  • server/common/util/pom.xml
  • server/distribution/all/pom.xml
  • server/distribution/pom.xml
  • server/pom.xml
  • server/remoting/api/pom.xml
  • server/remoting/bolt/pom.xml
  • server/remoting/http/pom.xml
  • server/remoting/pom.xml
  • server/server/data/pom.xml
  • server/server/integration/pom.xml
  • server/server/meta/pom.xml
  • server/server/pom.xml
  • server/server/session/pom.xml
  • server/server/shared/pom.xml
  • server/store/api/pom.xml
  • server/store/jdbc/pom.xml
  • server/store/jraft/pom.xml
  • server/store/pom.xml
  • test/pom.xml
Additional comments not posted (2)
server/common/model/src/main/java/com/alipay/sofa/registry/common/model/dataserver/DatumSummary.java (1)

55-55: Ensure null safety when accessing acceptorManager.

The code correctly checks for null before using acceptorManager. This is a good practice to prevent NullPointerException.

server/common/model/src/main/java/com/alipay/sofa/registry/common/model/PublisherUtils.java (1)

59-59: Ensure null safety when accessing acceptorManager.

The code checks for null before using acceptorManager, which is crucial for avoiding NullPointerException. This is consistent with best practices.

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coderabbitai bot reviewed Jun 25, 2024
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Actionable comments posted: 0

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between c9579cf and f50c4ac.

Files selected for processing (1)
  • server/common/model/src/main/java/com/alipay/sofa/registry/common/model/slot/DataSlotDiffUtils.java (1 hunks)
Additional comments not posted (1)
server/common/model/src/main/java/com/alipay/sofa/registry/common/model/slot/DataSlotDiffUtils.java (1)

108-108: Ensure robust null handling in acceptorManager usage.

The addition of a null check before calling the accept method on acceptorManager is a crucial safety improvement. This change prevents potential NullPointerExceptions which could disrupt the data synchronization process.

However, consider extending this robustness by ensuring that all other usages of acceptorManager in this class, and potentially in other related classes, are also guarded against null values. This would enhance the stability of the entire module.

Verification successful

Null handling for acceptorManager is already robust.

The codebase already includes null checks for acceptorManager in relevant places, ensuring stability and preventing potential NullPointerExceptions. The instances in BaseSlotDiffDigestRequestHandler.java, BaseSlotDiffPublisherRequestHandler.java, PublisherUtils.java, DataSlotDiffPublisherRequest.java, DataSlotDiffUtils.java, and DatumSummary.java confirm this.

  • BaseSlotDiffDigestRequestHandler.java: Comments explain specific logic reasons for not using null checks in some methods.
  • PublisherUtils.java: Null checks are present before usage.
  • DataSlotDiffPublisherRequest.java: Null checks are present in methods.
  • DataSlotDiffUtils.java: Null checks are present before usage.
  • DatumSummary.java: Null checks are present before usage.

No further changes are necessary regarding null handling for acceptorManager.

Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify all usages of `acceptorManager` in related classes are guarded against null values.

# Test: Search for usages of `acceptorManager` in the project. Expect: All usages should be followed by a null check.
rg --type java $'acceptorManager' --context 2

Length of output: 20368

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