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WiretapConnector does not clean up exchanges [SPR-15744] #20300

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spring-issuemaster opened this issue Jul 6, 2017 · 1 comment

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commented Jul 6, 2017

Rob Winch opened SPR-15744 and commented

WiretapConnector.exchanges leaks memory by referring to the ExchangeResult. For example, the following code will result in WiretapConnector.exchanges having a reference to Long.MAX_VALUE number of ExchangeResult instances.

@Test
public void testMemory() throws Exception {
	WebTestClient webTestClient = WebTestClient
		.bindToController(new TestController())
		.build();
	for(int i=0;i<Long.MAX_VALUE;i++) {
		this.webTestClient.get().uri("/")
			.exchange()
			.expectStatus().isOk()
			.expectBody(String.class).isEqualTo("Hello!");
	}
}

@RestController
static class TestController {
	@GetMapping("/")
	public String handle() {
		return "Hello!";
	}
}

Referenced from: commits aad4916

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commented Jul 6, 2017

Rossen Stoyanchev commented

The claimRequest method used to remove them, not sure when that got changed and I don't see a reason not to so I've fixed that.

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