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From "Biswa Ranjan Ray (JIRA)" <j...@apache.org>
Subject [jira] [Created] (JCLOUDS-1491) Jclouds uses a deprecated version of Guava to support Azure storage.
Date Thu, 14 Mar 2019 08:47:00 GMT
Biswa Ranjan Ray created JCLOUDS-1491:
-----------------------------------------

             Summary: Jclouds uses a deprecated version of Guava to support Azure storage.
                 Key: JCLOUDS-1491
                 URL: https://issues.apache.org/jira/browse/JCLOUDS-1491
             Project: jclouds
          Issue Type: Improvement
            Reporter: Biswa Ranjan Ray


Hi,

We are facing an issue while using jclouds library along with Guava to support Azure storage.

*Issue:*

We are using Jclouds 2.1.2 and Guava 27.0.1-jre in our application to work with objectstore
service offered by several cloud providers. These libraries works seamlessly for AWS S3 and
GCS. But in case of azure we get an exception. Please see the attachment for stack trace.

*Analysis:*

We found that the issue is there with the below code in DnsValidator class at line 53:
{code:java}
      if (CharMatcher.JAVA_LETTER_OR_DIGIT.indexIn(name) != 0)
{code}
The above code is deprecated in Guava 27.0.1-jre. But apparently jclouds library still refers
to a deprecated version of Guava as mentioned in the jclouds doc:
{quote}Setup your project to include 'guava'. Include following dependency to jclouds Installation.
Update the version mentioned in dependency below to the latest available version. com.google.guava
guava 16.0
{quote}
If not the latest at least we would like to use the recent version of Guava. But Guava 16.0
is really old and deprecated as well. Any thoughts are appreciated.



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