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With the example given in the link: Trailhead - Subscribe to Events, I was able to successfullt connect to my DEV org and listen to the change events for both custom and standard objects.

However when I try the same for my sandbox, I get a message saying that the subscription is successful, however the output JSON is not being displayed.

I use the below command to connect to my sandbox:

$ java -classpath target/emp-connector-0.0.1-SNAPSHOT-phat.jar com.salesforce.emp.connector.example.DevLoginExample <login_URL> <username> <password> <channel>

and the output I get is:

> SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder". SLF4J: Defaulting to no-operation (NOP) logger implementation SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details. [2019-09-25 06:32:04.475] Success:[/meta/handshake] {ext={replay=true, payload.format=true}, minimumVersion=1.0, clientId=yax3praacplr5nhx, supportedConnectionTypes=[Ljava.lang.Object;@348872, channel=/meta/handshake, id=1, version=1.0, successful=true} <<<< > Subscribed: Subscription [/data/ContactChangeEvent:-2] [2019-09-25 06:32:05.116] Success:[/meta/subscribe] {clientId=yax3praacplr5nhx, channel=/meta/subscribe, id=2, subscription=/data/ContactChangeEvent, successful=true} <<<< > [2019-09-25 06:32:08.795] Success:[/meta/connect] {clientId=yax3praacplr5nhx, advice={reconnect=retry, interval=0, timeout=110000}, channel=/meta/connect, id=3, successful=true} <<<<

I can see that the subscription seems to be successful, but when I change any Contact, I do not see the JSON response as I was expecting.

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  • Same Issue here - I set up Change Data Capture with Account (Account). All logs show I successfully subscribed to /data/AccountChangeEvent. Permissions should be ok - the User used to log in is an Admin user and can see and edit accounts. When I edit the name of an account I expect a CDC event. My CometD does not show any event activity for my subscription.
    – Johannes
    Dec 11, 2019 at 7:54

1 Answer 1

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One solution may be related to encryption. I had a simmilar Issue and opened a ticket with salesforce.

This was the response:

Based on the case description i see that , you unable to get the details when you subscribe to change data event. I see that this is because in you org encryption in enabled. When ever encryption is enabled first you need to create an event bus from "Key Management". After you create an Event Bus you need to enable the perm in "Encryption Policy" > "Select Encrypt and deliver Change Data Capture events." Then you will receive the messages. For more information i suggest you to check below articles.

cdc_security_shield_encryption

cdc_security_shield_create_secret

cdc_security_shield_enable_delivery

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  • Thank you - that was it!
    – Sid
    Jan 8, 2020 at 5:33

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