camel-sql is unable to resolve property placeholder

Solution Verified - Updated -

Issue

  • camel-sql is unable to resolve property placeholder when SQL Query is externalized to properties files.
  • Sample camel-context and property file.
<camelContext id="_camelContext1" xmlns="http://camel.apache.org/schema/spring">
        <propertyPlaceholder id="placeholder" location="ref:props" />
        <route id="_route1">
            <from id="_from1" uri="timer://foo?repeatCount=1" />
            <setProperty id="_setProperty1" propertyName="myId">
                <simple>1234</simple>
            </setProperty>
            <log id="_log2" message="Print myId:${property.localTxnDtTime}" />
            <toD id="_to1" uri="sql:{{sql.select}}" />
        </route>
</camelContext>
<bean class="org.apache.camel.spring.spi.BridgePropertyPlaceholderConfigurer"
        id="props">
        <property name="location"
            value="classpath:properties/com.sql.example.properties" />
</bean>

#com.sql.example.properties
sql.select=select * from table where id=:#${property.myId} order by name?dataSource=#dataSource
  • Below exception is thrown
Caused by: java.lang.IllegalArgumentException: Could not resolve placeholder 'property.myId' in string value "sql:select * from table where id=:#${property.myId} order by name?dataSource=#dataSource"
    at org.springframework.util.PropertyPlaceholderHelper.parseStringValue(PropertyPlaceholderHelper.java:173)
    at org.springframework.util.PropertyPlaceholderHelper.replacePlaceholders(PropertyPlaceholderHelper.java:125)
    at org.apache.camel.spring.spi.BridgePropertyPlaceholderConfigurer.springResolvePlaceholders(BridgePropertyPlaceholderConfigurer.java:207)
    at org.apache.camel.spring.spi.BridgePropertyPlaceholderConfigurer.parseUri(BridgePropertyPlaceholderConfigurer.java:170)
    at org.apache.camel.component.properties.PropertiesComponent.parseUri(PropertiesComponent.java:209)
    at org.apache.camel.component.properties.PropertiesComponent.parseUri(PropertiesComponent.java:160)
    at org.apache.camel.impl.DefaultCamelContext.resolvePropertyPlaceholders(DefaultCamelContext.java:2305)
    at org.apache.camel.model.ProcessorDefinitionHelper.resolvePropertyPlaceholders(ProcessorDefinitionHelper.java:734)
    at org.apache.camel.model.ProcessorDefinition.makeProcessorImpl(ProcessorDefinition.java:509)
    at org.apache.camel.model.ProcessorDefinition.makeProcessor(ProcessorDefinition.java:495)
    at org.apache.camel.model.ProcessorDefinition.addRoutes(ProcessorDefinition.java:219)
    at org.apache.camel.model.RouteDefinition.addRoutes(RouteDefinition.java:1069)
    ... 32 more

Environment

  • Red Hat JBoss Fuse
    • 6.3.x

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