Details
- 
    Bug 
- 
    Status: Closed (View Workflow)
- 
    Minor 
- 
    Resolution: Fixed
- 
    2.1.1
- 
    None
Description
RejectedExecutionException is thrown in high load environments, while issuing batch operations.
| java.util.concurrent.RejectedExecutionException: Task java.util.concurrent.FutureTask@3f924f3d rejected from java.util.concurrent.ThreadPoolExecutor@7a90c6ab[Running, pool size = 100, active threads = 99, queued tasks = 0, completed tasks = 52] | 
| 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.mariadb.jdbc.internal.protocol.AbstractMultiSend.executeBatchStandard(AbstractMultiSend.java:237) | 
| at org.mariadb.jdbc.internal.protocol.AbstractMultiSend.executeBatch(AbstractMultiSend.java:189) | 
| at org.mariadb.jdbc.internal.protocol.AbstractQueryProtocol.executeBatch(AbstractQueryProtocol.java:669) | 
| at org.mariadb.jdbc.internal.protocol.AbstractQueryProtocol.executeBatchStmt(AbstractQueryProtocol.java:586) | 
| at org.mariadb.jdbc.MariaDbStatement.internalBatchExecution(MariaDbStatement.java:1283) | 
| at org.mariadb.jdbc.MariaDbStatement.executeBatch(MariaDbStatement.java:1235) | 
| at ClientStandalone.executeUpdate(ClientStandalone.java:35) | 
| at ClientStandalone.execute(ClientStandalone.java:55) | 
| at ClientStandalone.access$0(ClientStandalone.java:49) | 
| at ClientStandalone$1.run(ClientStandalone.java:80) | 
| at java.lang.Thread.run(Thread.java:745) | 
We think that changing the executor rejection policy in class org.mariadb.jdbc.internal.util.scheduler.SchedulerServiceProviderHolder, the problem would be solved.
Attached example and patch.