**Build scan:**
https://gradle-enterprise.elastic.co/s/xqf2tdt4qwvsm/tests/:x-pack:plugin:esql:compute:test/org.elasticsearch.compute.operator.exchange.ExchangeServiceTests/testFailToRespondPage

**Reproduction line:**
```
./gradlew ':x-pack:plugin:esql:compute:test' --tests "org.elasticsearch.compute.operator.exchange.ExchangeServiceTests.testFailToRespondPage" -Dtests.seed=CB4F0EDC716ADF9C -Dtests.locale=tr -Dtests.timezone=Europe/Busingen -Druntime.java=20
```

**Applicable branches:**
main

**Reproduces locally?:**
Didn't try

**Failure history:**
https://gradle-enterprise.elastic.co/scans/tests?tests.container=org.elasticsearch.compute.operator.exchange.ExchangeServiceTests&tests.test=testFailToRespondPage

**Failure excerpt:**
```
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught exception in thread: Thread[id=1287, name=elasticsearch[test][generic][T#3], state=RUNNABLE, group=TGRP-ExchangeServiceTests]


  Caused by: java.lang.AssertionError: TaskCancellationService is not initialized

    at __randomizedtesting.SeedInfo.seed([CB4F0EDC716ADF9C]:0)
    at org.elasticsearch.tasks.TaskManager.getCancellationService(TaskManager.java:261)
    at org.elasticsearch.tasks.TaskManager.cancelTaskAndDescendants(TaskManager.java:819)
    at org.elasticsearch.tasks.TaskManager$4.doRun(TaskManager.java:806)
    at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:983)
    at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:26)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
    at java.lang.Thread.run(Thread.java:1623)

```
x-pack/plugin/esql/compute/src/test/java/org/elasticsearch/compute/operator/exchange/ExchangeServiceTests.java
}
                @Override
                public boolean isFinished() {
                    return nextSeqNo.get() >= maxInputSeqNo;
                }
                @Override
                public Page getOutput() {
                    if (randomInt(100) < 5) {
                        return null;
                    }
                    int size = randomIntBetween(1, 10);
                    IntBlock.Builder builder = IntBlock.newBlockBuilder(size);
                    for (int i = 0; i < size; i++) {
                        int seqNo = nextSeqNo.incrementAndGet();
                        if (seqNo < maxInputSeqNo) {
                            builder.appendInt(seqNo);
                        }
                    }
                    return new Page(builder.build());
                }
                @Override
                public void close() {
                }
            };
        }
    }
    /**
     * Collects the received sequence numbers that are less than {@code maxOutputSeqNo}.
     */
    static final class SeqNoCollector implements SinkOperator.SinkOperatorFactory {