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Support Article

Unable to open work objects using a connector from Pega 7.1.5

SA-50001

Summary



Unable to open BLOBs of work objects created on Pega 7.3.1 using a connector from Pega 7.1.5.


Error Messages



Invalid clipboard stream detected in module StorageStreamCommon.create(byte []). Reason: Invalid signature found in stream. Stream length = 34836; signature: PR7d; compressed = false

There was a problem with the database when getting a list: com.pega.pegarules.pub.database.BadInstanceDataException: problem creating a page from a stream: Invalid clipboard stream detected in module StorageStreamCommon.create(byte []). Reason: Invalid signature found in stream. Stream length = 46430; signature: PR7d; compressed = false: code: <none> SQLState: Invalid clipboard stream detected in module StorageStreamCommon.create(byte []). Reason: Invalid signature found in stream. Stream length = 46430; signature: PR7d; compressed = false Message: <none>
From: (unknown)
SQL: select * from pcrdata.pc_pegaent_legal_contractreq_w where pyID=?
SQL Inserts: <CR-37623>
at com.pega.pegarules.data.internal.access.PageDatabaseMapperImpl.populatePageOrStringMapFromStreamColumn(PageDatabaseMapperImpl.java:2367)
at com.pega.pegarules.data.internal.access.ResultPageIteratorImpl.getClipboardPage(ResultPageIteratorImpl.java:971)



Steps to Reproduce

  1. Create a service in Pega 7.1.5 instance. This connects to an external database to fetch data.
  2. Create work objects using Pega 7.3.1.
  3. Run the service.


Root Cause



This behavior is as per Pega product design.

The work objects are created on Pega 7.3.1 with Storage Stream (BLOB) version 7. The SOAP service is configured on a Pega 7.1.5 instance with Storage Stream version 6. The Storage Stream version 6 can only read work objects of that version. Therefore, the service is unable to read work objects from another application that is running on Pega 7.3.1.


Resolution



Perform either of the following local-changes to open work objects:
  • Upgrade the application with SOAP service configured to Pega 7.1.8 (with Storage Stream version 7) .
  • Change to Storage Stream version 6 in Dynamic System Setting for the application running on Pega 7.3.1.


Suggest Edit

Published March 25, 2018 - Updated October 8, 2020

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