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titleHistoric Information

Much of the information on these pages is no longer applicable to current releases. Current documentation for is now kept on the website, see http://qpid.apache.org/documentation.html for more details.

Alert Monitoring

To set up required checks match log output on the following strings:

...

Message Text

Reason

Error decrementing ref count on message <message id>:

Application coding error. Error logged but not rethrown and no other action taken. Broker keeps running.

Unsupported field type <class> for <field> IGNORING configured value

Error during configuration, application configuration error. Ignored.

Unable to expand property:

Error during configuration, application configuration error. Ignored.

Unable to access field <field> IGNORING configured value

Error during configuration, application configuration error. Ignored.

Exception occured in creating the direct exchange mbean

Rethrown as AMQException.

MESSAGE LOSS: Message should be sent on a Dead Letter Queue

Non-mandatory message not routable. Route for message not set up correctly.

Exception occured in creating the topic exchenge mbean

Could not create mbean for exchange. Rethrown as AMQException.

Exception occured in creating the direct exchange mbean

Could not create mbean for exchange. Rethrown as AMQException.

Exception occured in creating the HeadersExchangeMBean

Could not create mbean for exchange. Rethrown as AMQException.

Default XPath evaluator could not be loaded

Coding error.

Error closing protocol session:

Error logged but not rethrown and no other action take. Broker keeps running.

Error disposing of Sasl server:

Error logged but not rethrown and no other action take. Broker keeps running.

Error disposing of Sasl server:

Error logged but not rethrown and no other action take. Broker keeps running.

Unable to listen on SSL port:

Broker won't start. Port is unavailable. Port may be in use on server

Unable to bind service to registry:

Broker won't start.

AMQProtocolSession MBean creation has failed

Could not create mbean for session. Rethrown as AMQException.

Received incorrect protocol initiation

Client failed to open session. Possibly out of date client being used?

Error in protocol initiation

Client fail to open session. Possibly out of date client being used?

IOException caught in <session id>, session closed implictly:

Connection lost due to io error.

Exception caught in <session id>, closing session explictly:

Connection closed due to error/bad operation.

Unable to get body count:

The message store lost part of the message? or corrupt message taken off the wire?

Error getting body count:

The message store lost part of the message? or corrupt message taken off the wire?

Error getting size of message body.

The message store lost part of the message? or corrupt message taken off the wire?

Message was dequeued, but could not then be deleted though it is no longer referenced:

According to the comment this is a rare but harmless error.

Just send message: <message id> BUT removed this from queue: <message id>

Unexpected condition on the broker. Message sent should be message removed from queue.

Unable to deliver message as dequeue failed:

Message could not be delivered.

Attempt to send Null message

Application coding error.

Sending <message> when subscriber(<client id>) is closed!

Application coding error.

Sending <message> when subscriber(<client id>) is closed!

Application coding error.

MESSAGE LOSS : Unable to re-deliver messages

Failed messages cannot be redelivered.

<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="e115b82c-e443-44a6-a9b7-af67131d5c85"><ac:plain-text-body><![CDATA[ [MESSAGES LOST]Unable to re-deliver messages as queue is null.

Failed messages cannot be redelivered.

]]></ac:plain-text-body></ac:structured-macro>

Unable to re-deliver messages as queue is null.

Failed messages cannot be redelivered.

Queue is null won't be able to resend messages

Failed messages cannot be redelivered.

Unable to remove from index(<index>) subscription:

Unsubscription failed, due to unknown subscriber. Broker ignores and keeps running.

Error configuring application:

Bad configuration. Rethrown as runtime. Ignore.

Unable to instantiate configuration class <class> - ensure it has a public default constructor

Error in application configuration.

<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="beb387a7-e8d1-40e1-9fa7-ebaf03ffd5d9"><ac:plain-text-body><![CDATA[

State manager received error notification[Current State:<state>]:

Protocol error. Client application may have used protocol incorrectly. Broker should handle this error correctly.]]></ac:plain-text-body></ac:structured-macro>

On commiting transaction, unable to determine whether delivered to a consumer immediately:

Application coding error.

Failed to deliver messages following txn commit:

Application coding error.

Unable to instantiate configuration class <class> - ensure it has a public default constructor

Configuration exception. Rethrown as illegal argument.

Could not load version.properties resource:

The application has not been compiled with a version stamp. Bad build.

Error decoding FieldTable in deferred decoding mode

Rethrown as illegal argument.

...