Josef Cacek created JCLOUDS-1153:
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Summary: Docker ImageToImage class doesn't support empty repoTags
list
Key: JCLOUDS-1153
URL: https://issues.apache.org/jira/browse/JCLOUDS-1153
Project: jclouds
Issue Type: Bug
Components: jclouds-labs
Affects Versions: 2.0.0
Environment: Docker version 1.12
Reporter: Josef Cacek
When a Docker image doesn't contain any repoTag, then the `ImageToImage`
function fails with
{code}
java.lang.IndexOutOfBoundsException: position (1) must be less than the number
of elements that remained (1)
{code}
So the current implementation of listing Docker images fails when there is an
image with empty {{repoTags}} field. (E.g. It happens after pulling a new
"latest" tag of an image and the original image didn't have any other tags).
IMO the original intention was to throw NPE by this call in the
{{ImageToImage.apply()}} method:
{code}
String description = checkNotNull(Iterables.getFirst(from.repoTags(), "image
must have at least one repo tag"));
{code}
but it instead sets the {{description}} to {{"image must have at least one repo
tag"}} and it fails later on splitting the value.
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