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https://issues.apache.org/jira/browse/CAMEL-14616?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen updated CAMEL-14616:
--------------------------------
Fix Version/s: (was: Future)
> AttachmentConverter is not automatically discovered
> ---------------------------------------------------
>
> Key: CAMEL-14616
> URL: https://issues.apache.org/jira/browse/CAMEL-14616
> Project: Camel
> Issue Type: Bug
> Components: camel-mail
> Affects Versions: 3.0.0, 3.0.1, 3.1.0
> Environment: Reproduced on Windows 7 and CentOS 6.10, with Oracle JDK
> 8, OpenJDK 8 and OpenJDK 11.
> Reporter: Laurent Chabot
> Priority: Major
> Labels: type-converter
>
> I have a very basic usage of camel-mail that's been working fine with Camel
> 2.x:
> {code:java}
> import java.io.IOException;
> import org.apache.camel.CamelContext;
> import org.apache.camel.ProducerTemplate;
> import org.apache.camel.impl.DefaultCamelContext;
> public class MailTest {
> public static void main(String[] args) throws IOException {
> try (CamelContext ctx = new DefaultCamelContext(); ProducerTemplate
> pt = ctx.createProducerTemplate()) {
> ctx.start();
> pt.sendBody("smtp://localhost:25?to=me@mydomain", "Hello, World");
> }
> }
> }
> {code}
> It is packaged as an executable jar using maven-assembly-plugin
> jar-with-dependencies.
> When I run it with Camel 3.x (tested with 3.0.0, 3.0.1 and 3.1.0), I get
> below error:
> {noformat}
> Exception in thread "main" org.apache.camel.CamelExecutionException:
> Exception occurred during execution on the exchange: Exchange[]
> at
> org.apache.camel.CamelExecutionException.wrapCamelExecutionException(CamelExecutionException.java:47)
> at
> org.apache.camel.support.ExchangeHelper.extractResultBody(ExchangeHelper.java:636)
> at
> org.apache.camel.impl.engine.DefaultProducerTemplate.extractResultBody(DefaultProducerTemplate.java:568)
> at
> org.apache.camel.impl.engine.DefaultProducerTemplate.extractResultBody(DefaultProducerTemplate.java:564)
> at
> org.apache.camel.impl.engine.DefaultProducerTemplate.sendBody(DefaultProducerTemplate.java:189)
> at
> org.apache.camel.impl.engine.DefaultProducerTemplate.sendBody(DefaultProducerTemplate.java:195)
> at MailTest.main(MailTest.java:10)
> Caused by: java.lang.NullPointerException
> at
> org.apache.camel.component.mail.MailBinding.populateMailMessage(MailBinding.java:133)
> at
> org.apache.camel.component.mail.MailProducer.process(MailProducer.java:61)
> at
> org.apache.camel.support.AsyncProcessorConverterHelper$ProcessorToAsyncProcessorBridge.process(AsyncProcessorConverterHelper.java:67)
> at
> org.apache.camel.processor.SharedCamelInternalProcessor.process(SharedCamelInternalProcessor.java:212)
> at
> org.apache.camel.processor.SharedCamelInternalProcessor$1.process(SharedCamelInternalProcessor.java:110)
> at
> org.apache.camel.impl.engine.DefaultAsyncProcessorAwaitManager.process(DefaultAsyncProcessorAwaitManager.java:84)
> at
> org.apache.camel.processor.SharedCamelInternalProcessor.process(SharedCamelInternalProcessor.java:107)
> at
> org.apache.camel.impl.engine.DefaultProducerCache.send(DefaultProducerCache.java:185)
> at
> org.apache.camel.impl.engine.DefaultProducerTemplate.send(DefaultProducerTemplate.java:176)
> at
> org.apache.camel.impl.engine.DefaultProducerTemplate.send(DefaultProducerTemplate.java:172)
> at
> org.apache.camel.impl.engine.DefaultProducerTemplate.send(DefaultProducerTemplate.java:153)
> at
> org.apache.camel.impl.engine.DefaultProducerTemplate.sendBody(DefaultProducerTemplate.java:187)
> ... 2 more
> {noformat}
> Conversion of the in message to AttachmentMessage appears to be failing.
> When I checked file _META-INF/services/org/apache/camel/TypeConverterLoader_
> in my assembled jar, it was missing the
> "org.apache.camel.attachment.AttachmentConverterLoader" entry.
> If I now add the following line after starting the Camel context:
> {code:java}
> new AttachmentConverterLoader().load(ctx.getTypeConverterRegistry());
> {code}
> then mail sending is working fine again.
> Am I doing smth wrong or is this a Camel 3.x bug?
> Possible link with CAMEL-13677?
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