5 Troubleshooting Oracle Messaging Cloud Service

This section describes common problems that you might encounter when using Oracle Messaging Cloud Service and provides tips on possible solutions.

Topics:

• Java Library

  • I am unable to use JNDI or message-driven beans

  • java-library1.html#GUID-CB028CBF-8364-44D4-A7E4-F0859A010D23__ISeeALotOfThreadsBeingCreatedOrNetw-1F036C3B

• Messages

  • I am not receiving messages; I send messages, but I never receive them

  • I am unable to create a durable subscription or subscriber to a topic

  • I am receiving an error stating that I am sending a message that is too large

  • I am receiving an error stating that a destination has reached its limit of messages

  • I lost the HTTP cookie associated with a messaging context

  • My messages are being redelivered

  • My messages are not appearing at the target destination

  • My messages are not being received by a consumer on a queue

  • I am receiving messages whose Content-Type does not match my client's Accept header

  • I am unable to use message selectors

• Destinations

  • I am receiving errors stating that my service instance does not have any available queues, topics, temporary queues, temporary topics, or durable subscriptions

• Miscellaneous

  • My connections are not released after I stop using the Java library or REST API

  • I am receiving the error message "Missing or incorrect X-OC-ID-TOKEN"

  • I am receiving an error stating that my service instance does not have any available connections

  • I am getting a "404 Not Found" response when I try to access connections, sessions, producers, consumers, or queue browsers that I just created

  • I am receiving an error message of the form "Internal error; log reference: <pseudorandom string>"