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https://issues.apache.org/jira/browse/SLING-2221?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Justin Edelson updated SLING-2221:
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Assignee: Justin Edelson
> problem accessing (the second time) InputStream from Binary properties
> through LazyInputStream
> ----------------------------------------------------------------------------------------------
>
> Key: SLING-2221
> URL: https://issues.apache.org/jira/browse/SLING-2221
> Project: Sling
> Issue Type: Bug
> Components: JCR
> Affects Versions: JCR Resource 2.0.10
> Environment: CQ5.4
> Reporter: Marc Riess
> Assignee: Justin Edelson
> Priority: Minor
>
> Using JCR API everything is fine but with Sling API the second time I ask for
> the InputStream it's empty.
> For example :
> try {
> is = rendition.getStream();
> // the is.available >0
> .. read the stream
> } finally { IO.tryClose(is); }
> try {
> is = rendition.getStream();
> // is.reset() not supported
> // the is.available == 0
> } finally { IO.tryClose(is); }
> but if I do
> try {
> is =
> rendition.adaptTo(javax.jcr.Node.class).getNode(JcrConstants.JCR_CONTENT).getProperty(JcrConstants.JCR_DATA).getBinary().getStream();
> // the is.available >0
> .. read the stream
> } finally { IO.tryClose(is); }
> try {
> is =
> rendition.adaptTo(javax.jcr.Node.class).getNode(JcrConstants.JCR_CONTENT).getProperty(JcrConstants.JCR_DATA).getBinary().getStream();
> // the is.available >0
> } finally { IO.tryClose(is); }
> NB: the version used is 2.0.9 -
> org.apache.sling.jcr.resource.internal.helper.LazyInputStream
> I asked on CQ5 forum and Alex told me it could be useful to describe the
> issue here; its answer :
> CQ DAM's rendition (which I guess you are using here) uses Sling's ValueMap
> to retrieve the InputStream. That seems to cache the stream like any other
> value... it might be worth improving on that and reporting an issue with
> Sling.
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