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Implement Connectivity.java example using Java bindings #13201

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@vdhyasani17 vdhyasani17 commented Apr 18, 2025

[WIP] This adds a Java version of the connectivity example using Open MPI's Java bindings. It demonstrates basic point-to-point communication and serves as a reference for Java-based MPI applications. The functionality will be the same as connectivity_c.c.

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Hello! The Git Commit Checker CI bot found a few problems with this PR:

a46c371: Create Connectivity.java and be able to compile/ru...

  • check_signed_off: does not contain a valid Signed-off-by line

Please fix these problems and, if necessary, force-push new commits back up to the PR branch. Thanks!

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Hello! The Git Commit Checker CI bot found a few problems with this PR:

a46c371: Create Connectivity.java and be able to compile/ru...

  • check_signed_off: does not contain a valid Signed-off-by line

Please fix these problems and, if necessary, force-push new commits back up to the PR branch. Thanks!

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Hello! The Git Commit Checker CI bot found a few problems with this PR:

a46c371: Create Connectivity.java and be able to compile/ru...

  • check_signed_off: does not contain a valid Signed-off-by line

Please fix these problems and, if necessary, force-push new commits back up to the PR branch. Thanks!

hppritcha and others added 2 commits April 18, 2025 17:02
In going down the rabbit hole of trying to get the MPICH testsuite to
compile/link using Open MPI main, a number of problems were uncovered.
These included:
- a missing MPI_T parameter concerning sessions
- problems with the way the new use mpi_f08 bindings were being generated for profiling interfaces
- fix problems with the MPI_(UN)PACK_EXTERNAL argument definitions

This PR addresses these problems.

Signed-off-by: Howard Pritchard <[email protected]>
@vdhyasani17 vdhyasani17 force-pushed the java-connectivity-example branch from dad9cfe to 448388b Compare April 19, 2025 00:02
@jsquyres jsquyres marked this pull request as draft April 21, 2025 12:41
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