```
commit 4f3317effea38c203c358af9cb5ce3c0e4173976
Author: Klaus Post <******@****.***>
Date:   Mon Nov 8 08:41:27 2021 -0800

    Close stream on panic (#13605)

    Always close streamHTTPResponse on panic on main thread to avoid
    write/flush after response handler has returned.
```

```
λ git cherry-pick 4f3317effea38c203c358af9cb5ce3c0e4173976
```

    logger.get().log(FINER, "cancelling {0}", this);
    boolean cancelled = future.cancel(mayInterruptIfRunning);
    if (cancelled) {
      close();
    }
    return cancelled;
  }

  private void close() {
    logger.get().log(FINER, "closing {0}", this);
    closeables.close();
  }

  private <U extends @Nullable Object> ClosingFuture<U> derive(FluentFuture<U> future) {

   * hosting filesystem becomes unreachable, the iterator will omit elements rather than throwing
   * exceptions.
   *
   * **The caller must [close][Snapshot.close]** each snapshot returned by [Iterator.next]. Failing
   * to do so leaks open files!
   */
  @Synchronized
  @Throws(IOException::class)
  fun snapshots(): MutableIterator<Snapshot> {
    initialize()

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Derivative Works; and
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        assertNotNull(s1);
        assertEquals(1, transport.getNumSessions());
        s1.close();

        // Act: request again with same context -> reuse existing
        SmbSessionImpl s2 = transport.getSmbSession(ctx);
        assertNotNull(s2);
        assertEquals(1, transport.getNumSessions(), "Should reuse existing session");
        s2.close();
    }

    @Test

import java.util.function.BinaryOperator;
import java.util.function.Function;
import java.util.stream.Collector;
import java.util.stream.Collectors;
import org.jspecify.annotations.Nullable;

/**
 * A {@link Map} whose contents will never change, with many other important properties detailed at
 * {@link ImmutableCollection}.
 *
 * <p>See the Guava User Guide article on <a href=

     */
    task.addListener(() -> scheduled.cancel(false), directExecutor());
    return task;
  }

  /**
   * Returns a {@code Future} whose result is taken from the given primary {@code input} or, if the
   * primary input fails with the given {@code exceptionType}, from the result provided by the