verbose exception can improve debugging user problem
----------------------------------------------------
Key: WAGONSSH-15
URL: http://jira.codehaus.org/browse/WAGONSSH-15
Project: wagon-ssh
Type: Wish
Reporter: Juan F. Codagnone
Priority: Trivial
An example of an actual get exception:
Caused by: org.apache.maven.wagon.TransferFailedException: Error occured while
downloading from the remote repository:[test-private-repo] ->
sftp://localhost/tmp/m2
...
Caused by: No such file
at com.jcraft.jsch.ChannelSftp.throwStatusError(ChannelSftp.java:1541)
at com.jcraft.jsch.ChannelSftp.stat(ChannelSftp.java:1207)
at com.jcraft.jsch.ChannelSftp.get(ChannelSftp.java:587)
It doesnt give you much information unless you know to read the whole
stacktrace (in this case you can spot that is a metadata problem because it
apears DefaultRepositoryMetadataManager.java:2309). I propose something like:
Caused by: org.apache.maven.wagon.TransferFailedException: Error occured while
downloading `ar/com/test/maven/poms/bare/maven-metadata.xml' from the remote
repository:[test-private-repo] -> sftp://localhost/tmp/m2
it can be accomplish with something like: (but you already know that! ;-)
--- src/main/java/org/apache/maven/wagon/providers/ssh/ScpWagon.java
(revision 290590)
+++ src/main/java/org/apache/maven/wagon/providers/ssh/ScpWagon.java
(working copy)
@@ -565,12 +588,14 @@
}
}
- String msg = "Error occured while downloading from the remote
repository:" + getRepository();
+ String msg = "Error occured while downloading `" + resource.getName()
+ + "' from the remote repository:" + getRepository();
throw new TransferFailedException( msg, e );
}
public boolean getIfNewer( String resourceName, File destination, long
timestamp )
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