Eric Kuijt created AIRAVATA-1890:
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             Summary: the gateway preference fails with a nullpointer error 
when no uncelectedCRs are in the database..
                 Key: AIRAVATA-1890
                 URL: https://issues.apache.org/jira/browse/AIRAVATA-1890
             Project: Airavata
          Issue Type: Bug
          Components: PGA PHP Web Gateway
    Affects Versions: 0.16
         Environment: ubuntu
            Reporter: Eric Kuijt
            Priority: Minor


PGA crashes hard when no unused Compute resources are in the database. I think 
the same would count for Storage resources because of code below.

                foreach( (array)$gatewaysInfo["allCRs"] as $crId => $cr){
                        if( ! in_array($cr->computeResourceId, 
$gatewaysInfo["selectedCRs"]) )
                        $unselectedCRs[] = $cr;
                }

                foreach( (array)$gatewaysInfo["allSRs"] as $index => $sr){
                        if( ! in_array($sr->storageResourceId, 
$gatewaysInfo["selectedSRs"]) )
                        $unselectedSRs[] = $sr;
                 }



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