java.util.concurrent.RejectedExecutionException when running Planner in RHDM

Solution Unverified - Updated -

Issue

  • I get the following exception when running Planner in RHDM kie-server
17:57:58,325 ERROR [org.kie.server.services.optaplanner.SolverServiceBase] (default task-14) Error retrieving solver 'solver-5' state from container 'optacloud_1.0.0-SNAPSHOT': java.util.concurrent.RejectedExecutionException: Task org.kie.server.services.optaplanner.SolverServiceBase$$Lambda$1421/2072964494@50eb0e2 rejected from java.util.concurrent.ThreadPoolExecutor@7babc31[Running, pool size = 2, active threads = 2, queued tasks = 2, completed tasks = 15]
    at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2047)
    at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:823)
    at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1369)
    at org.kie.server.services.optaplanner.SolverServiceBase.solvePlanningProblem(SolverServiceBase.java:483)
    at org.kie.server.services.optaplanner.SolverServiceBase.solvePlanningProblem(SolverServiceBase.java:213)
    at org.kie.server.remote.rest.optaplanner.SolverResource.solvePlanningProblem(SolverResource.java:294)

Environment

  • Red Hat Decision Manager (RHDM)
    • 7.3
    • Business Optimizer (Planner)

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