rewerma opened a new issue, #10930: URL: https://github.com/apache/seatunnel/issues/10930
### Search before asking - [x] I had searched in the [issues](https://github.com/apache/seatunnel/issues?q=is%3Aissue+label%3A%22bug%22) and found no similar issues. ### What happened Memory leak exception occurs when StarRocks is used as a source: ``` 2026-05-22 15:10:45,049 ERROR [o.a.s.e.s.d.p.PhysicalVertex ] [hz.main.seaTunnel.task.thread-4] - Job (1110102425634603009), Pipeline: [(1/1)], task: [pipeline-1 [Source[0]-StarRocks]-SourceTask (1/1)], taskGroupLocation: [TaskGroupLocation{jobId=1110102425634603009, pipelineId=1, taskGroupId=2}] end with state FAILED and Exception: java.lang.IllegalStateException: Memory was leaked by query. Memory leaked: (131072) Allocator(ROOT) 0/131072/131072/2147483647 (res/actual/peak/limit) at org.apache.seatunnel.shade.org.apache.arrow.memory.BaseAllocator.close(BaseAllocator.java:477) at org.apache.seatunnel.shade.org.apache.arrow.memory.RootAllocator.close(RootAllocator.java:29) at org.apache.seatunnel.connectors.seatunnel.common.source.arrow.reader.ArrowToSeatunnelRowReader.close(ArrowToSeatunnelRowReader.java:303) at org.apache.seatunnel.connectors.seatunnel.common.source.arrow.reader.ArrowToSeatunnelRowReader.readArrow(ArrowToSeatunnelRowReader.java:117) at org.apache.seatunnel.connectors.seatunnel.starrocks.client.source.StarRocksBeReadClient.hasNext(StarRocksBeReadClient.java:177) at org.apache.seatunnel.connectors.seatunnel.starrocks.source.StarRocksSourceReader.read(StarRocksSourceReader.java:119) at org.apache.seatunnel.connectors.seatunnel.starrocks.source.StarRocksSourceReader.pollNext(StarRocksSourceReader.java:75) at org.apache.seatunnel.engine.server.task.flow.SourceFlowLifeCycle.collect(SourceFlowLifeCycle.java:159) at org.apache.seatunnel.engine.server.task.SourceSeaTunnelTask.collect(SourceSeaTunnelTask.java:127) at org.apache.seatunnel.engine.server.task.SeaTunnelTask.stateProcess(SeaTunnelTask.java:165) at org.apache.seatunnel.engine.server.task.SourceSeaTunnelTask.call(SourceSeaTunnelTask.java:132) at org.apache.seatunnel.engine.server.TaskExecutionService$BlockingWorker.run(TaskExecutionService.java:679) at org.apache.seatunnel.engine.server.TaskExecutionService$NamedTaskWrapper.run(TaskExecutionService.java:1008) at org.apache.seatunnel.api.tracing.MDCRunnable.run(MDCRunnable.java:43) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.base/java.lang.Thread.run(Thread.java:842) ``` And I found that ByteArrayInputStream was not closed, which caused this exception. ``` private void initArrowReader(byte[] byteArray) { this.rootAllocator = new RootAllocator(Integer.MAX_VALUE); this.arrowStreamReader = new ArrowStreamReader(new ByteArrayInputStream(byteArray), rootAllocator); } ``` I plan to create a PR to fix this issue. ### SeaTunnel Version the newest version ### SeaTunnel Config ```conf source { StarRocks { nodeUrls=[ "192.168.0.51:8030", "192.168.0.52:8030", "192.168.0.53:8030" ] base-url="jdbc:mysql://192.168.0.51:9030" username=root password="123456" database=test table=nh schema { fields { aa=STRING bb=STRING cc=STRING dd=STRING ee=STRING } } } } ``` ### Running Command ```shell - ``` ### Error Exception ```log 2026-05-22 15:10:45,049 ERROR [o.a.s.e.s.d.p.PhysicalVertex ] [hz.main.seaTunnel.task.thread-4] - Job (1110102425634603009), Pipeline: [(1/1)], task: [pipeline-1 [Source[0]-StarRocks]-SourceTask (1/1)], taskGroupLocation: [TaskGroupLocation{jobId=1110102425634603009, pipelineId=1, taskGroupId=2}] end with state FAILED and Exception: java.lang.IllegalStateException: Memory was leaked by query. Memory leaked: (131072) Allocator(ROOT) 0/131072/131072/2147483647 (res/actual/peak/limit) at org.apache.seatunnel.shade.org.apache.arrow.memory.BaseAllocator.close(BaseAllocator.java:477) at org.apache.seatunnel.shade.org.apache.arrow.memory.RootAllocator.close(RootAllocator.java:29) at org.apache.seatunnel.connectors.seatunnel.common.source.arrow.reader.ArrowToSeatunnelRowReader.close(ArrowToSeatunnelRowReader.java:303) at org.apache.seatunnel.connectors.seatunnel.common.source.arrow.reader.ArrowToSeatunnelRowReader.readArrow(ArrowToSeatunnelRowReader.java:117) at org.apache.seatunnel.connectors.seatunnel.starrocks.client.source.StarRocksBeReadClient.hasNext(StarRocksBeReadClient.java:177) at org.apache.seatunnel.connectors.seatunnel.starrocks.source.StarRocksSourceReader.read(StarRocksSourceReader.java:119) at org.apache.seatunnel.connectors.seatunnel.starrocks.source.StarRocksSourceReader.pollNext(StarRocksSourceReader.java:75) at org.apache.seatunnel.engine.server.task.flow.SourceFlowLifeCycle.collect(SourceFlowLifeCycle.java:159) at org.apache.seatunnel.engine.server.task.SourceSeaTunnelTask.collect(SourceSeaTunnelTask.java:127) at org.apache.seatunnel.engine.server.task.SeaTunnelTask.stateProcess(SeaTunnelTask.java:165) at org.apache.seatunnel.engine.server.task.SourceSeaTunnelTask.call(SourceSeaTunnelTask.java:132) at org.apache.seatunnel.engine.server.TaskExecutionService$BlockingWorker.run(TaskExecutionService.java:679) at org.apache.seatunnel.engine.server.TaskExecutionService$NamedTaskWrapper.run(TaskExecutionService.java:1008) at org.apache.seatunnel.api.tracing.MDCRunnable.run(MDCRunnable.java:43) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.base/java.lang.Thread.run(Thread.java:842) ``` ### Zeta or Flink or Spark Version _No response_ ### Java or Scala Version _No response_ ### Screenshots _No response_ ### Are you willing to submit PR? - [ ] Yes I am willing to submit a PR! ### Code of Conduct - [x] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) -- This is an automated message from the Apache Git Service. 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