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Fix memory leak when canceling read from AsynchronousFileChannel

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This commit fixes a memory leak that occurs when reading from a
AsynchronousFileChannel, and cancelling the subscription.

Issue: SPR-17419
This commit is contained in:
Arjen Poutsma
2018-10-23 16:23:12 +02:00
parent 28cf7b728f
commit eac9e66c46
2 changed files with 38 additions and 1 deletions
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31
spring-core/src/test/java/org/springframework/core/io/buffer/DataBufferUtilsTests.java
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@@ -40,6 +40,7 @@ import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import reactor.test.StepVerifier;
import org.springframework.core.io.ByteArrayResource;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.core.io.buffer.support.DataBufferTestUtils;
@@ -142,6 +143,36 @@ public class DataBufferUtilsTests extends AbstractDataBufferAllocatingTestCase {
.verify(Duration.ofSeconds(5));
}
@Test
public void readResourcePositionAndTakeUntil() throws Exception {
Resource resource = new ClassPathResource("DataBufferUtilsTests.txt", getClass());
Flux<DataBuffer> flux = DataBufferUtils.read(resource, 3, this.bufferFactory, 3);
flux = DataBufferUtils.takeUntilByteCount(flux, 5);
StepVerifier.create(flux)
.consumeNextWith(stringConsumer("bar"))
.consumeNextWith(stringConsumer("ba"))
.expectComplete()
.verify(Duration.ofSeconds(5));
}
@Test
public void readByteArrayResourcePositionAndTakeUntil() throws Exception {
Resource resource = new ByteArrayResource("foobarbazqux" .getBytes());
Flux<DataBuffer> flux = DataBufferUtils.read(resource, 3, this.bufferFactory, 3);
flux = DataBufferUtils.takeUntilByteCount(flux, 5);
StepVerifier.create(flux)
.consumeNextWith(stringConsumer("bar"))
.consumeNextWith(stringConsumer("ba"))
.expectComplete()
.verify(Duration.ofSeconds(5));
}
@Test
public void writeOutputStream() throws Exception {
DataBuffer foo = stringBuffer("foo");