Tellier Benoit created JAMES-2886:
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Summary: Unable to usetransitive dependencies at runtime in Guice
extension jars
Key: JAMES-2886
URL: https://issues.apache.org/jira/browse/JAMES-2886
Project: James Server
Issue Type: Bug
Components: guice, Matchers/Mailets (bundled)
Affects Versions: 3.4.0
Reporter: Tellier Benoit
As reported by @AaronRegan , we are unable to resolve transitive dependencies
in extension jars.
# Steps to reproduce
Given a maven module containing a custom mailet, instanciating objects as part
of the *service* method that are NOT part of James classpath:
- 1. Start *any* James guice application
- 2. Drop the JAR of the aforementioned in extension-jars folder
- 3. Configure the mailet within the mailet pipeline
- 4. Process a mail and....
- 5. Notice runtime failures! The service method does not succeed to
instanciate the object not being part of James classpath.
As off commit 42d7d55d5380d13648533160844d30f765a2c6f1, such a JAR could very
well be the *apache-mailet-crypto* JAR.
This would result in :
{code:java}
java.lang.ClassNotFoundException:
org.bouncycastle.mail.smime.SMIMESignedGenerator
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 82 common frames omitted
Wrapped by: java.lang.NoClassDefFoundError:
org/bouncycastle/mail/smime/SMIMESignedGenerator
at
org.apache.james.transport.SMIMEKeyHolder.createGenerator(SMIMEKeyHolder.java:208)
at org.apache.james.transport.SMIMEKeyHolder.generate(SMIMEKeyHolder.java:251)
at
org.apache.james.transport.mailets.AbstractSign.service(AbstractSign.java:486)
at
org.apache.james.mailetcontainer.impl.camel.CamelProcessor.process(CamelProcessor.java:81)
at
org.apache.james.mailetcontainer.impl.camel.CamelMailetProcessor$MailetContainerRouteBuilder.handleMailet(CamelMailetProcessor.java:178)
at
org.apache.james.mailetcontainer.impl.camel.CamelMailetProcessor$MailetContainerRouteBuilder.lambda$configure$0(CamelMailetProcessor.java:155)
at
org.apache.camel.processor.DelegateSyncProcessor.process(DelegateSyncProcessor.java:63)
... 75 common frames omitted
{code}
# What to do from here
- Write a test reproducing that behavior...
- Bundle *apache-mailet-crypto* within supported guice app mailets
- Fix that annoying transitive dependency issue - this is in my opinion a
blocker for Guice adoption.
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