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I want save not consumed messages after amq or machine restart. Is this doc actual for ActiveMQ 5.12.1 Release? I try use example from docs and get error:

ERROR | Failed to load: class path resource [activemq.xml], reason: Line 86 in XML document from class path resource [activemq.xml] is invalid; nested exception is org.xml.sax.SAXParseException; lineNumber: 86; columnNumber: 90; cvc-complex-type.2.4.a: Invalid content was found starting with element 'kahaPersistenceAdapter'. One of '{"http://activemq.apache.org/schema/core":jdbcPersistenceAdapter, "http://activemq.apache.org/schema/core":journalPersistenceAdapter, "http://activemq.apache.org/schema/core":kahaDB, "http://activemq.apache.org/schema/core":levelDB, "http://activemq.apache.org/schema/core":mKahaDB, "http://activemq.apache.org/schema/core":memoryPersistenceAdapter, "http://activemq.apache.org/schema/core":replicatedLevelDB, WC[##other:"http://activemq.apache.org/schema/core"]}' is expected.

This error occurs with almost default config: https://yadi.sk/d/e8tWyIzyk9piV

Well, i replace kahaPersistenceAdapter to kahaDB and restart. And get error:

Attribute 'maxDataFileLength' is not allowed to appear in element 'kahaDB'.

I replace this attribute and ActiveMQ started. I send message to queue, restard amq and my not consumed message gone. What i do wrong?

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Well, you just must send special header with message.

$amq_headers['persistent'] = "true";

And your message persisted.

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