Fix for DS-930 - Several DSpace Crosswalks create a new Context and never close it

git-svn-id: http://scm.dspace.org/svn/repo/dspace/trunk@6441 9c30dcfa-912a-0410-8fc2-9e0234be79fd

dspace-api/src/main/java/org/dspace/content/crosswalk/METSDisseminationCrosswalk.java

@@ -119,6 +119,7 @@ public class METSDisseminationCrosswalk
             // Disseminate METS to temp file
             Context context = new Context();
             dip.disseminate(context, item, pparams, tempFile);
+            context.complete();
 
             try
             {

dspace-api/src/main/java/org/dspace/content/crosswalk/RoleCrosswalk.java

@@ -200,7 +200,8 @@ public class RoleCrosswalk
             //actually disseminate to our temp file.
             Context context = new Context();
             dip.disseminate(context, dso, pparams, tempFile);
-
+            context.complete();
+            
             // if we ended up with a Zero-length output file,
             // this means dissemination was successful but had no results
             if(tempFile.exists() && tempFile.length()==0)

dspace-api/src/main/java/org/dspace/content/crosswalk/XSLTIngestionCrosswalk.java

@@ -332,7 +332,7 @@ public class XSLTIngestionCrosswalk
                 {
                     System.err.println("DIM Error, Cannot find metadata schema for: schema=\""+schema+
                         "\" (... element=\""+element+"\", qualifier=\""+qualifier+"\")");
-    }
+                }
                 else
                 {
                     if (qualifier != null && qualifier.equals(""))
@@ -356,6 +356,8 @@ public class XSLTIngestionCrosswalk
                 throw new MetadataValidationException("Got unexpected element in DIM list: "+elt.toString());
             }
         }
+        //complete & close Context
+        context.complete();
     }
 
 }