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https://issues.apache.org/jira/browse/CAMEL-14616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17044717#comment-17044717
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Laurent Chabot commented on CAMEL-14616:
----------------------------------------
Yes, uber jar indeed, not using shade plugin but assembly plugin does smth
similar.
It's one-shot tooling for which we were aiming for quick & not so clean but I
guess I didn't expect issues like this when moving to Camel 3.
Anyway, if this is as expected, then so be it, I'll keep the workaround in
place.
Many thanks for the super quick help!
> 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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