hazelcast/hazelcast-cpp-client

Hazelcast IMDG C++ Client

Stars: 91
Forks: 54
Open beginner issues: 0
Indexed issues: 154
Avg merge: 1d 12m
Merged PRs (30d): 5

Dominant language: C++
License: Apache-2.0
Last GitHub push: Sep 7, 2026
Latest indexed: Sep 17, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue

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154 open issues indexed

[TRACKING ISSUE] Optimize backup timeout checks in CleanResourcesTask Open

hazelcast/hazelcast-cpp-client#782 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] custom load balancer declarative configuration Open

hazelcast/hazelcast-cpp-client#783 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Added support for Map merge operation #14913 Open

hazelcast/hazelcast-cpp-client#784 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Add local checks for count argument of CountDownLatch#trySetCount Open

hazelcast/hazelcast-cpp-client#785 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Improve connection close logic in HeartbeatManager Open

hazelcast/hazelcast-cpp-client#786 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Fix exit condition in client CleanResourcesTask Open

hazelcast/hazelcast-cpp-client#787 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Correctly decrement the permits in the session during `drainPermits` call Open

hazelcast/hazelcast-cpp-client#788 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Refactoring client deregister listener behaviour Open

hazelcast/hazelcast-cpp-client#789 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Adding clientname tag to client metrics Open

hazelcast/hazelcast-cpp-client#790 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Send -1 instead Long.Max for leasetime by default Open

hazelcast/hazelcast-cpp-client#791 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Check duplicate fields when building class definition Open

hazelcast/hazelcast-cpp-client#792 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Release acquired FencedLock sessions before throwing Open

hazelcast/hazelcast-cpp-client#793 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Add getAndDecrement method to IAtomicLong Open

hazelcast/hazelcast-cpp-client#794 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Prevent client ending up with two addresses to same node when node is behind a private network Open

hazelcast/hazelcast-cpp-client#795 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Java util optional serialization support Open

hazelcast/hazelcast-cpp-client#796 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Increase default cluster timeout to 2 minutes Open

hazelcast/hazelcast-cpp-client#797 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Remove the deadlock between clientStateMutex and clusterViewMutex Open

hazelcast/hazelcast-cpp-client#798 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Release acquired sessions on failure for SessionAwareSemaphore Open

hazelcast/hazelcast-cpp-client#799 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] SQL: New row serialization protocol [API-2366] Open

to-jira

hazelcast/hazelcast-cpp-client#800 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] GenericRecord and Serialization API Improvements Open

hazelcast/hazelcast-cpp-client#804 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Do not use deprecated methods of ObjectDataInput/Output, PortableRead… Open

hazelcast/hazelcast-cpp-client#811 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Register class definitions and check compatibility of nested portable… Open

hazelcast/hazelcast-cpp-client#817 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Fix ClientInvocation Retry Open

hazelcast/hazelcast-cpp-client#824 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[Test Failure] basic_latch_test.test_wait_until core dump [API-2354] Open

to-jira Type: Test-Failure

hazelcast/hazelcast-cpp-client#827 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Pipeline does not work smoothly with void returning APIs [API-1512] Open

Source: Community to-jira Type: Enhancement

hazelcast/hazelcast-cpp-client#835 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Use address sanitizer on GA Open

to-jira Type: Enhancement

hazelcast/hazelcast-cpp-client#844 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
Address sanitizer heap usage after free problem (ClientInvocation::invoke_urgent) [API-385] [API-2365] Open

to-jira

hazelcast/hazelcast-cpp-client#857 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Check memory alignment of internal structures Open

Type: Enhancement

hazelcast/hazelcast-cpp-client#871 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Tests should fail if client cannot connect Open

to-jira Type: Enhancement

hazelcast/hazelcast-cpp-client#874 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Enabled ClientStateListener to be used on FailoverClient Open

hazelcast/hazelcast-cpp-client#901 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Deprecate STATISTICS properties Open

hazelcast/hazelcast-cpp-client#903 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Lazy SQL OBJECT deserialization Open

hazelcast/hazelcast-cpp-client#910 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Remove listeners sync with the calling thread Open

hazelcast/hazelcast-cpp-client#911 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Member codec missing version check for field address_map [API-1078] Open

to-jira Type: Defect

hazelcast/hazelcast-cpp-client#927 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Provide CREATE MAPPING suggestion on existing but not mapped IMap exception Open

hazelcast/hazelcast-cpp-client#928 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Default log handler doesn't work when a global hazelcast_client instance is used [API-2364] Open

to-jira Type: Defect

hazelcast/hazelcast-cpp-client#932 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] ClientClusterService apply events only with version larger than local version Open

hazelcast/hazelcast-cpp-client#934 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] [HZ-563] JSON type support Open

hazelcast/hazelcast-cpp-client#941 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Delete flood control mechanism to prevent launching actions in sync Open

hazelcast/hazelcast-cpp-client#953 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Refactor client connection manager to simplify Open

hazelcast/hazelcast-cpp-client#961 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Don't allow empty memberlist on cluster id changes [API-1215] Open

hazelcast/hazelcast-cpp-client#963 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Ability to specify multiple partitions in a predicate query (redux) Open

hazelcast/hazelcast-cpp-client#972 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Check for the minimum size of the bytes read only once per frame Open

hazelcast/hazelcast-cpp-client#975 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Fix client not complying with the cluster reconnect strategy Open

hazelcast/hazelcast-cpp-client#979 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Query resubmission [HZ-1167] Open

hazelcast/hazelcast-cpp-client#996 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] [API-1320] Introduce various updates to Compact serialization implementation Open

hazelcast/hazelcast-cpp-client#997 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] [API-1250] Move type name and class to the `CompactSerializer` Open

hazelcast/hazelcast-cpp-client#998 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Remove read default value methods from the CompactReader Open

hazelcast/hazelcast-cpp-client#999 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] Move GenericRecord interfaces to its own package Open

hazelcast/hazelcast-cpp-client#1006 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[TRACKING ISSUE] [API-1250] Do not allow different item types in Compact array fields Open

hazelcast/hazelcast-cpp-client#1008 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026

A short digest of beginner-friendly GitHub issues.