Dear DSpace Community,

I tried to export entire site using the following command:

[dspace]/bin/dspace   packager   –d   -a   -t AIP   -e <eperson>    -i
<sitePrefix/0>   site-aip.zip

But it gives me the following Exception :  *Failed to export Roles via
packager*
For me details about the error please find the attached file.

Anyone have an idea why roles cannot be exported?


*Note: *
*DSpace version 1.7.2 *


Regards,
Nada Abo-Eita
Also disseminating all child objects (recursive mode)..
This may take a while, please check your logs for ongoing status while we 
process each package.
Exception: Failed to export Roles via packager (see wrapped error message for 
more details)
org.dspace.content.crosswalk.CrosswalkInternalException: Failed to export Roles 
via packager (see wrapped error message for more details)
        at 
org.dspace.content.crosswalk.RoleCrosswalk.disseminateElement(RoleCrosswalk.java:233)
        at 
org.dspace.content.packager.AbstractMETSDisseminator.crosswalkToMetsElement(AbstractMETSDisseminator.java:1342)
        at 
org.dspace.content.packager.AbstractMETSDisseminator.makeMdSec(AbstractMETSDisseminator.java:597)
        at 
org.dspace.content.packager.AbstractMETSDisseminator.addToAmdSec(AbstractMETSDisseminator.java:710)
        at 
org.dspace.content.packager.AbstractMETSDisseminator.addAmdSec(AbstractMETSDisseminator.java:736)
        at 
org.dspace.content.packager.AbstractMETSDisseminator.makeManifest(AbstractMETSDisseminator.java:822)
        at 
org.dspace.content.packager.AbstractMETSDisseminator.writeZipPackage(AbstractMETSDisseminator.java:294)
        at 
org.dspace.content.packager.AbstractMETSDisseminator.disseminate(AbstractMETSDisseminator.java:241)
        at 
org.dspace.content.packager.DSpaceAIPDisseminator.disseminate(DSpaceAIPDisseminator.java:157)
        at 
org.dspace.content.packager.AbstractPackageDisseminator.disseminateAll(AbstractPackageDisseminator.java:86)
        at 
org.dspace.content.packager.AbstractPackageDisseminator.disseminateAll(AbstractPackageDisseminator.java:141)
        at 
org.dspace.content.packager.AbstractPackageDisseminator.disseminateAll(AbstractPackageDisseminator.java:152)
        at org.dspace.app.packager.Packager.disseminate(Packager.java:635)
        at org.dspace.app.packager.Packager.main(Packager.java:460)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.dspace.app.launcher.ScriptLauncher.main(ScriptLauncher.java:183)
Caused by: org.dspace.content.packager.PackageException: 
org.postgresql.util.PSQLException: This statement has been closed., Reason: 
org.postgresql.util.PSQLException: This statement has been closed.
        at 
org.dspace.content.packager.RoleDisseminator.writeToStream(RoleDisseminator.java:254)
        at 
org.dspace.content.packager.RoleDisseminator.disseminate(RoleDisseminator.java:105)
        at 
org.dspace.content.crosswalk.RoleCrosswalk.disseminateElement(RoleCrosswalk.java:202)
        ... 18 more
Caused by: org.postgresql.util.PSQLException: This statement has been closed.
        at 
org.postgresql.jdbc2.AbstractJdbc2Statement.checkClosed(AbstractJdbc2Statement.java:2424)
        at 
org.postgresql.jdbc2.AbstractJdbc2Statement.setString(AbstractJdbc2Statement.java:1223)
        at 
org.apache.commons.dbcp.DelegatingPreparedStatement.setString(DelegatingPreparedStatement.java:135)
        at 
org.apache.commons.dbcp.DelegatingPreparedStatement.setString(DelegatingPreparedStatement.java:135)
        at 
org.apache.commons.dbcp.DelegatingPreparedStatement.setString(DelegatingPreparedStatement.java:135)
        at 
org.dspace.storage.rdbms.DatabaseManager.loadParameters(DatabaseManager.java:1550)
        at 
org.dspace.storage.rdbms.DatabaseManager.query(DatabaseManager.java:282)
        at org.dspace.eperson.Group.search(Group.java:908)
        at org.dspace.eperson.Group.search(Group.java:817)
        at 
org.dspace.content.packager.RoleDisseminator.findAssociatedGroups(RoleDisseminator.java:588)
        at 
org.dspace.content.packager.RoleDisseminator.writeToStream(RoleDisseminator.java:206)
        ... 20 more
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