org.apache.tomcat.websocket.asyncchannelgrouputil对象可能导致内存泄漏

x6yk4ghg  于 2021-07-12  发布在  Java
关注(0)|答案(0)|浏览(257)

我有两个 Spring 启动服务。一个是stomp客户机,另一个是服务器。有一个为activemq代理设置的stomp中继。
一般来说,一切都按预期工作,但随着时间的推移,客户机服务中的内存使用量会增加,最终导致内存不足。
我吃了一堆垃圾。根据报告,我附上了疑似内存泄漏区域的片段。
我知道我在客户机/服务器中设置的最大缓冲区限制很高,但是消息的数量可能很大。请帮助我们理解什么可能是罪魁祸首。我已将配置粘贴到下面。以及我粘贴的堆转储报告。



websocket客户端配置

@Configuration
public class WebSocketConfig extends WebSocketMessagingAutoConfiguration {

    @Value("${coMsgClient.config.websocket.server.host}")
    private String host;

    @Value("${coMsgClient.config.websocket.server.secureHost}")
    private String secureHost;

    @Value("${coMsgClient.config.websocket.server.enableSSL}")
    private boolean enableSSL;

    @Value("${coMsgClient.config.websocket.client.id}")
    public String clientId;

    @Value("${coMsgClient.config.websocket.buffer.msg.text}")
    public int txtMsgBuffer;

    @Value("${coMsgClient.config.websocket.buffer.msg.binary}")
    public int binaryMsgBuffer;

    @Value("${coMsgClient.config.websocket.session.timeout}")
    public int wsSessionTimeout;

    @Value("${coMsgClient.config.websocket.session.timeout.enabled}")
    public boolean wsSessionTimeoutEnabled;

    @Lazy
    @Autowired
    private StompSessionHandlerImpl stompSessionHandlerImpl;

    @Autowired
    @Lazy
    private WebSocketStompClient webSocketStompClient;

    @Retryable(maxAttempts = 720,
            backoff = @Backoff(delay = 5000, multiplier = 1, random = true)) // retry every 5sec for an hour on loss of connection
    public synchronized StompSession initSession(String orgId, String accessToken) throws ExecutionException, InterruptedException {
        log.info("Client Session for {} to be initiated", orgId);
        StompSession session = null;
        final StompHeaders headers = new StompHeaders();
        headers.add(CommonConstants.STOMP_HEADER_AUTHORIZATION, "Bearer ".concat(accessToken));
        headers.add(CommonConstants.STOMP_HEADER_CLIENT_ID, clientId);
        final WebSocketHttpHeaders httpheaders = new WebSocketHttpHeaders();
        httpheaders.add(CommonConstants.STOMP_HEADER_AUTHORIZATION, "Bearer ".concat(accessToken));
        session = enableSSL ?
                webSocketStompClient.connect(URI.create(secureHost), httpheaders, headers, stompSessionHandlerImpl).get() :
                webSocketStompClient.connect(URI.create(host), httpheaders, headers, stompSessionHandlerImpl).get();
        log.info("Client Session for {} is initiated", orgId);
        return session;
    }

    @Bean
    public WebSocketStompClient stompClient() {
        WebSocketContainer container = ContainerProvider.getWebSocketContainer();
        container.setDefaultMaxBinaryMessageBufferSize(50000000);
        container.setDefaultMaxTextMessageBufferSize(50000000);
        WebSocketClient simpleWebSocketClient = new StandardWebSocketClient(container);
        List<Transport> transports = List.of(new WebSocketTransport(simpleWebSocketClient));
        SockJsClient sockJsClient = new SockJsClient(transports);
        WebSocketStompClient stompClient = new WebSocketStompClient(sockJsClient);
        MappingJackson2MessageConverter converter = new MappingJackson2MessageConverter();
        ObjectMapper objectMapper = new ObjectMapper();
        objectMapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, Boolean.FALSE);
        converter.setObjectMapper(objectMapper);
        stompClient.setMessageConverter(converter);
        ThreadPoolTaskScheduler scheduler = new ThreadPoolTaskScheduler();
        scheduler.setPoolSize(10000);
        scheduler.initialize();
        stompClient.setTaskScheduler(scheduler);
        stompClient.setDefaultHeartbeat(new long[]{20000, 20000});
        stompClient.setReceiptTimeLimit(Integer.MAX_VALUE);
        stompClient.setInboundMessageSizeLimit(Integer.MAX_VALUE);
//        ContainerProvider.getWebSocketContainer().setDefaultMaxTextMessageBufferSize(Integer.MAX_VALUE);
        return stompClient;
    }
}

websocket服务器配置

@Configuration
@EnableWebSocketMessageBroker
@ConfigurationProperties(prefix = "websocket.broker")
@Setter
public class WebSocketConfig implements WebSocketMessageBrokerConfigurer {

    private String host;

    private String password;

    private String user;

    @Override
    public void configureMessageBroker(MessageBrokerRegistry config) {
        config.enableStompBrokerRelay("/queue", "/topic", "/exchange")
                .setRelayHost(host)
                .setClientLogin(user)
                .setClientPasscode(password)
                .setSystemHeartbeatSendInterval(20000)
                .setSystemLogin(user)
                .setSystemPasscode(password)
                .setUserDestinationBroadcast("/topic/unresolved-user")
                .setUserRegistryBroadcast("/topic/log-user-registry");
        config.setApplicationDestinationPrefixes("/device");
    }

    @Override
    public void registerStompEndpoints(StompEndpointRegistry registry) {
        registry.addEndpoint("/websocket").setAllowedOrigins("*").withSockJS().setWebSocketEnabled(Boolean.TRUE);
        registry.setErrorHandler(new StompSubProtocolErrorHandler());
    }

    @Bean
    public ServletServerContainerFactoryBean createServletServerContainerFactoryBean() {
        ServletServerContainerFactoryBean container = new ServletServerContainerFactoryBean();
        container.setMaxTextMessageBufferSize(1000000);
        container.setMaxBinaryMessageBufferSize(1000000);
        return container;
    }

    @Bean
    public DefaultSimpUserRegistry getDefaultSimpRegistry() {
        return new DefaultSimpUserRegistry();
    }

    @Override
    public void configureWebSocketTransport(WebSocketTransportRegistration registry) {
        registry.setMessageSizeLimit(Integer.MAX_VALUE);
        registry.setSendBufferSizeLimit(Integer.MAX_VALUE);
        registry.setTimeToFirstMessage(300000);
        registry.setSendTimeLimit(300000);
        registry.addDecoratorFactory(new WebSocketHandlerDecoratorFactory() {
            @Override
            public WebSocketHandler decorate(WebSocketHandler webSocketHandler) {
                return new EmaWebSocketHandlerDecorator(webSocketHandler);
            }
        });

    }

}

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