Bug 1118341

Description of problem:

aether-connector-file throws "number of transferred bytes cannot be negative" Exception just for artifact existence check.

17:53:38,744 ERROR [stderr] (FileRepositoryConnector-1) Exception in thread "FileRepositoryConnector-1" java.lang.IllegalArgumentException: number of transferred bytes cannot be negative
17:53:38,744 ERROR [stderr] (FileRepositoryConnector-1) 	at org.sonatype.aether.util.listener.DefaultTransferEvent.setTransferredBytes(DefaultTransferEvent.java:123)
17:53:38,744 ERROR [stderr] (FileRepositoryConnector-1) 	at org.sonatype.aether.connector.file.FileRepositoryWorker.run(FileRepositoryWorker.java:299)
17:53:38,744 ERROR [stderr] (FileRepositoryConnector-1) 	at org.sonatype.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:60)
17:53:38,744 ERROR [stderr] (FileRepositoryConnector-1) 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
17:53:38,744 ERROR [stderr] (FileRepositoryConnector-1) 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
17:53:38,745 ERROR [stderr] (FileRepositoryConnector-1) 	at java.lang.Thread.run(Thread.java:744)


Steps to Reproduce:

# This is one artificial procedure to reproduce the issue in BPMS 6.0.2. The bug exists in lower layer (aether-connector-file) so I think there are several scenarios to trigger this issue. BZ1084362 was one scenario in BPMS 6.0.1. 

1. Create a maven kjar project which has <dependencyManagement> which loads an artifact from http://maven.repository.redhat.com/techpreview/all (Attached jBPM6Ex18_mvn_number_of_transferred_reproducer.zip)
2. Add http://maven.repository.redhat.com/techpreview/all as a repository in ~/.m2/settings.xml (Attached settings.xml)
3. mvn clean install
4. Comment-out the repository (http://maven.repository.redhat.com/techpreview/all) in ~/.m2/settings.xml
5. Start BPMS
6. Deploy the kjar via [New Deployment Unit] (e.g. groupId=com.sample, artifactId=jbpm-example, version=1.0.0-SNAPSHOT)

Actual results:

Throws 

java.lang.IllegalArgumentException: number of transferred bytes cannot be negative

and fails to deploy the kjar.

Expected results:

Successfully deploy the kjar. (Because the artifact "org.jboss.ip.component.management:ip-dependency-management-all:1.2-redhat-13" actually exists in local repo)

Additional info:

BZ1018220 also talks about this problem and has been fixed. But this BZ is filed for fixing the root problem.