nandorsoma commented on code in PR #6225: URL: https://github.com/apache/nifi/pull/6225#discussion_r953196811
########## nifi-nar-bundles/nifi-mqtt-bundle/nifi-mqtt-processors/src/main/java/org/apache/nifi/processors/mqtt/common/AbstractMQTTProcessor.java: ########## @@ -289,88 +288,35 @@ public Collection<ValidationResult> customValidate(final ValidationContext valid return results; } - public static Properties transformSSLContextService(SSLContextService sslContextService){ - Properties properties = new Properties(); - if (sslContextService.getSslAlgorithm() != null) { - properties.setProperty("com.ibm.ssl.protocol", sslContextService.getSslAlgorithm()); - } - if (sslContextService.getKeyStoreFile() != null) { - properties.setProperty("com.ibm.ssl.keyStore", sslContextService.getKeyStoreFile()); - } - if (sslContextService.getKeyStorePassword() != null) { - properties.setProperty("com.ibm.ssl.keyStorePassword", sslContextService.getKeyStorePassword()); - } - if (sslContextService.getKeyStoreType() != null) { - properties.setProperty("com.ibm.ssl.keyStoreType", sslContextService.getKeyStoreType()); - } - if (sslContextService.getTrustStoreFile() != null) { - properties.setProperty("com.ibm.ssl.trustStore", sslContextService.getTrustStoreFile()); - } - if (sslContextService.getTrustStorePassword() != null) { - properties.setProperty("com.ibm.ssl.trustStorePassword", sslContextService.getTrustStorePassword()); - } - if (sslContextService.getTrustStoreType() != null) { - properties.setProperty("com.ibm.ssl.trustStoreType", sslContextService.getTrustStoreType()); - } - return properties; - } - - protected void onScheduled(final ProcessContext context){ - broker = context.getProperty(PROP_BROKER_URI).evaluateAttributeExpressions().getValue(); - brokerUri = broker.endsWith("/") ? broker : broker + "/"; - clientID = context.getProperty(PROP_CLIENTID).evaluateAttributeExpressions().getValue(); - - if (clientID == null) { - clientID = UUID.randomUUID().toString(); - } - - connOpts = new MqttConnectOptions(); - connOpts.setCleanSession(context.getProperty(PROP_CLEAN_SESSION).asBoolean()); - connOpts.setKeepAliveInterval(context.getProperty(PROP_KEEP_ALIVE_INTERVAL).asInteger()); - connOpts.setMqttVersion(context.getProperty(PROP_MQTT_VERSION).asInteger()); - connOpts.setConnectionTimeout(context.getProperty(PROP_CONN_TIMEOUT).asInteger()); - - PropertyValue sslProp = context.getProperty(PROP_SSL_CONTEXT_SERVICE); - if (sslProp.isSet()) { - Properties sslProps = transformSSLContextService((SSLContextService) sslProp.asControllerService()); - connOpts.setSSLProperties(sslProps); - } - - PropertyValue lastWillTopicProp = context.getProperty(PROP_LAST_WILL_TOPIC); - if (lastWillTopicProp.isSet()){ - String lastWillMessage = context.getProperty(PROP_LAST_WILL_MESSAGE).getValue(); - PropertyValue lastWillRetain = context.getProperty(PROP_LAST_WILL_RETAIN); - Integer lastWillQOS = context.getProperty(PROP_LAST_WILL_QOS).asInteger(); - connOpts.setWill(lastWillTopicProp.getValue(), lastWillMessage.getBytes(), lastWillQOS, lastWillRetain.isSet() ? lastWillRetain.asBoolean() : false); - } - - - PropertyValue usernameProp = context.getProperty(PROP_USERNAME); - if(usernameProp.isSet()) { - connOpts.setUserName(usernameProp.evaluateAttributeExpressions().getValue()); - connOpts.setPassword(context.getProperty(PROP_PASSWORD).getValue().toCharArray()); - } + protected void onScheduled(final ProcessContext context) { + clientProperties = getMqttClientProperties(context); + connectionProperties = getMqttConnectionProperties(context); } protected void onStopped() { - try { - logger.info("Disconnecting client"); - mqttClient.disconnect(DISCONNECT_TIMEOUT); - } catch(MqttException me) { - logger.error("Error disconnecting MQTT client due to {}", new Object[]{me.getMessage()}, me); - } + // Since client is created in the onTrigger method it can happen that it never will be created because of an initialization error. + // We are preventing additional nullPtrException here, but the clean solution would be to create the client in the onScheduled method. + if (mqttClient != null) { + try { + logger.info("Disconnecting client"); + mqttClient.disconnect(DISCONNECT_TIMEOUT); + } catch (MqttException me) { + logger.error("Error disconnecting MQTT client due to {}", new Object[]{me.getMessage()}, me); + } + + try { + logger.info("Closing client"); + mqttClient.close(); + } catch (MqttException me) { + logger.error("Error closing MQTT client due to {}", new Object[]{me.getMessage()}, me); + } Review Comment: Yes, I've tested with v3 then switching to v5 and it worked because Paho adapter rethrows any exception as MqttException. But this is not true for v5. Thanks for noticing it. Changed! -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@nifi.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org