[jira] [Created] (JCLOUDS-181) Blobstores that lack proper support for 100-Continue don't work with JDK7

["Diwaker Gupta (JIRA)" <ji...@apache.org>]

Diwaker Gupta created JCLOUDS-181:
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             Summary: Blobstores that lack proper support for 100-Continue don't work with JDK7
                 Key: JCLOUDS-181
                 URL: https://issues.apache.org/jira/browse/JCLOUDS-181
             Project: jclouds
          Issue Type: Bug
          Components: jclouds-blobstore
    Affects Versions: 1.6.1
            Reporter: Diwaker Gupta


jclouds added the "Expect: 100-Continue" to the putBlob API for most blobstores sometime back. Handling of 100-continue differs between JDK6 and JDK7 in that unlike JDK6, JDK7 will expect a response from the server and will only time out IF a read timeout has been set on the underlying HTTP connection [1].

As a result, if applications set Constants.PROPERTY_SO_TIMEOUT and use a blobstore that doesn't properly support the Expect header (i.e., doesn't respond with 100-Continue) on JDK7, the putBlob operation will essentially hang forever.

Specifically, both HPCS and Google Cloud Storage are impacted by this.

[1] http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/7-b147/sun/net/www/protocol/http/HttpURLConnection.java?av=f#1008

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