Camel DataFormat Jackson using blueprint XML DSL throws context exception - json

Question

No matter where I place the dataformats in XML DSL blueprint, I get this error just starting at different places. if I remove it, it works but of course I can't convert JSON to POJO. ??? any help or tell me what I'm doing wrong, what i'm missing. thanks!
Error
Unable to start blueprint container for bundle passthrumt1.core/1.0.1.SNAPSHOT
Caused by: org.xml.sax.SAXParseException: cvc-complex-type.2.4.a: Invalid content was found starting with element 'endpoint'. One of '{"http://camel.apache.org/schema/blueprint":redeliveryPolicyProfile, "http://camel.apache.org/schema/blueprint":onException, "http://camel.apache.org/schema/blueprint":onCompletion, "http://camel.apache.org/schema/blueprint":intercept, "http://camel.apache.org/schema/blueprint":interceptFrom, "http://camel.apache.org/schema/blueprint":interceptSendToEndpoint, "http://camel.apache.org/schema/blueprint":restConfiguration, "http://camel.apache.org/schema/blueprint":rest, "http://camel.apache.org/schema/blueprint":route}' is expected.
XML DSL
<camelContext
id="com.passthru.coreCamelContext"
trace="true"
xmlns="http://camel.apache.org/schema/blueprint"
allowUseOriginalMessage="false"
streamCache="true"
errorHandlerRef="deadLetterErrorHandler" >
<properties>
<property key="http.proxyHost" value="PITC-Zscaler-Americas.proxy.corporate.com"/>
<property key="http.proxyPort" value="80"/>
</properties>
<streamCaching id="CacheConfig"
spoolUsedHeapMemoryThreshold="70"
anySpoolRules="true"/>
<!-- -->
<dataFormats>
<json id="Json2Pojo" library="Jackson" unmarshalTypeName="com.passthru.core.entities.TokenEntities">
</json>
</dataFormats>
<endpoint id="predixConsumer" uri="direct:preConsumer" />
<endpoint id="predixProducer" uri="direct:preProducer" />
<endpoint id="getToken" uri="direct:getToken" />
<onException>
<exception>com.passthru.dataservice.PDXDataServiceInvalidDataException</exception>
<redeliveryPolicy maximumRedeliveries="3" />
<handled>
<constant>true</constant>
</handled>
<log
message="Invalid Data From Data Service"
loggingLevel="ERROR" />
<setBody>
<simple>${body.toString}</simple>
</setBody>
<to uri="file:{{errorArchive}}" />
</onException>
If I place the dataformats above properties, it complains, I have to remove properties and streamcache statements in order for it to work. but I need the proxy properties. any suggestions??? thanks again
If the
<camelContext
id="com.ge.digital.passthru.coreCamelContext"
trace="true"
xmlns="http://camel.apache.org/schema/blueprint"
allowUseOriginalMessage="false"
streamCache="true"
errorHandlerRef="deadLetterErrorHandler" >
<dataFormats>
<json id="Json2Pojo" library="Jackson" unmarshalTypeName="com.passthru.core.entities.TokenEntities"/>
</dataFormats>
<properties>
<property key="http.proxyHost" value="PITC-Zscaler-Americas-Cincinnati3PR.proxy.corporate.com"/>
<property key="http.proxyPort" value="80"/>
</properties>
i get this
Caused by: org.xml.sax.SAXParseException: cvc-complex-type.2.4.a: Invalid content was found starting with element 'properties'. One of '{"http://camel.apache.org/schema/blueprint":redeliveryPolicyProfile, "http://camel.apache.org/schema/blueprint":onException, "http://camel.apache.org/schema/blueprint":onCompletion, "http://camel.apache.org/schema/blueprint":intercept, "http://camel.apache.org/schema/blueprint":interceptFrom, "http://camel.apache.org/schema/blueprint":interceptSendToEndpoint, "http://camel.apache.org/schema/blueprint":restConfiguration, "http://camel.apache.org/schema/blueprint":rest, "http://camel.apache.org/schema/blueprint":route}' is expected.
what am I missing?

Answer 1

Camel blueprint XML is validated against camel-blueprint.xsd.
You are interested in complex type with name camelContextFactoryBean which contains sequence of available elements with fixed order.
Correct order of camelContext elements defined in this sequence is:
properties
globalOptions
propertyPlaceholder
package
packageScan
contextScan
jmxAgent
streamCaching
export
defaultServiceCallConfiguration
serviceCallConfiguration
defaultHystrixConfiguration
hystrixConfiguration
routeBuilder
routeContextRef
restContextRef
threadPoolProfile
threadPool
endpoint
dataFormats
transformers
validators
redeliveryPolicyProfile
onException
onCompletion
intercept
interceptFrom
interceptSendToEndpoint
restConfiguration
rest
route
To solve your problem move all endpoint declarations right above dataFormats.