[Archivesspace_Users_Group] Nullpointer Exception during Migration

[Flanagan, Patrick]

Good morning,

I'm currently tasked with migrating a number of Archon installs to ArchivesSpace. I've used the latest tool to migrate directly to 1.4.2. During migration I've received the following errors from the tool itself:

Ran migration:Unrecoverable exception, migration stopped ...

Current Record Type:
Record Identifier :

java.lang.NullPointerException
    at org.nyu.edu.dlts.utils.ASpaceCopyUtil.copyClassificationRecords(ASpaceCopyUtil.java:920<http://java:920>)
    at org.nyu.edu.dlts.dbCopyFrame$1.run(dbCopyFrame.java:231<http://java:231>)
    at java.lang.Thread.run(Thread.java:745<http://java:745>)

...

Getting records for: ?p=core/classifications&batch_start=601
get: <url here> <https://archon.klnpa.org/archon_inst/clarion_migrate/?p=core/classifications&batch_start=601>
Status code: 200
Status text: Created
response: No matching record(s) found for batch_start=601
java.lang.NullPointerException
    at org.nyu.edu.dlts.utils.ArchonClient.getRootParent(ArchonClient.java:499<http://java:499>)
    at org.nyu.edu.dlts.utils.ArchonClient.getRootParent(ArchonClient.java:520<http://java:520>)
    at org.nyu.edu.dlts.utils.ArchonClient.getRootParent(ArchonClient.java:520<http://java:520>)
    at org.nyu.edu.dlts.utils.ArchonClient.getClassificationRecords(ArchonClient.java:431<http://java:431>)
    at org.nyu.edu.dlts.utils.ASpaceCopyUtil.copyClassificationRecords(ASpaceCopyUtil.java:918<http://java:918>)
    at org.nyu.edu.dlts.dbCopyFrame$1.run(dbCopyFrame.java:231<http://java:231>)
    at java.lang.Thread.run(Thread.java:745<http://java:745>)

...

Running for: 14 min 08.12 sec

Current # of Records Copied:
Enum List : 9 / 9 (100.00%)
Repositories : 1 / 1 (100.00%)
Users : 1 / 1 (100.00%)
Subjects : 1750 / 1750 (100.00%)
Names : 1587 / 1587 (100.00%)

I followed the guidelines to verify the integrity of the database: for example, ensuring that date ranges are smaller-to-larger and so on. The only thing I had issue with there is that there were overlapping sort orders and too many to adjust by hand without writing a script; would that cause a null pointer to occur?

Thank you for your time,

~Patrick Flanagan
KLN Applications Administrator
Keystone Library Network Hub
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