Sree Panchajanyam D created CAMEL-6927:
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Summary: Bean Transformer throwing
org.apache.camel.TypeConversionException: Error during type conversion from
type: due argument type mismatch
Key: CAMEL-6927
URL: https://issues.apache.org/jira/browse/CAMEL-6927
Project: Camel
Issue Type: Bug
Components: camel-core
Affects Versions: 2.11.2, 2.10.7, 2.10.6, 2.10.5, 2.10.4, 2.10.3, 2.10.2,
2.10.1, 2.10.0, 2.9.5, 2.9.4, 2.9.3
Environment: Windows 7
Reporter: Sree Panchajanyam D
Priority: Blocker
Same piece of camel.xml and POJO working in camel 2.9.2.
Issue encountered in camel 2.9.3 and all above versions.
When trying to start apache camel embedded inside activemq (or camel starting
as standalone on Jetty container), I encountered the following exception :
Caused by: org.apache.camel.TypeConversionException: Error during type
conversion from type: com.messagetransformers.StringAppenderBean to the
required type: org.apache.camel.Processor with value
com.messagetransformers.StringAppenderBean@77b407 due argument type mismatch
at
org.apache.camel.impl.converter.BaseTypeConverterRegistry.convertTo(BaseTypeConverterRegistry.java:126)
at
org.apache.camel.impl.converter.BaseTypeConverterRegistry.convertTo(BaseTypeConverterRegistry.java:98)
at
org.apache.camel.util.CamelContextHelper.convertTo(CamelContextHelper.java:72)
Extract from my camel.xml
<bean id="beanTransformer" class="com.messagetransformers.StringAppenderBean"/>
<camelContext xmlns="http://camel.apache.org/schema/spring";>
<route id="beanTransformRoute" autoStartup="true">
<description>Transformer Route</description>
<from uri="activemqRoute1:MY.QUEUE.1"/>
<bean ref="beanTransformer" method="process"/>
<to uri="activemqRoute1:MY.QUEUE.2"/>
</route>
</camelContext>
Code snippet from that is causing this issue
org.apache.camel.impl.converter.BaseTypeConverterRegistry.java(doConvertTo
method)
Object rc;
if (tryConvert) {
rc = tc.tryConvertTo(type, exchange, value);
} else {
rc = tc.convertTo(type, exchange, value);
}
The else part is not there in Camel 2.9.2 and is introduced from Camel 2.9.3.
This code seems to force a normal bean to register as a FallbackTypeConverter
which is causing the issue.
Removing the else condition from camel 2.10.3 solved the issue.
My question is, is it expected that normal bean definitions should fail from
upwards of camel 2.9.3? Documentation seems to say nothing about it. Please
help
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