This technote provides a workaround to address an error, "DPR-ERR-2002 Unable to execute the request", that uccurs when running IBM Rational Reporting for Development Intelligence (RRDI) setup.
Full error message reported during RRDI setup:
DPR-ERR-2002 Unable to execute the request because there were no connections to the process available within the configured time limit.
DB2 64-bit Client, version 10.1 was installed on the client machines.
Jazz Team Server v4.0.1 on Linux RedHat 6.2, and RRDI v2.0.1 on IBM WebSphere Application Server (WAS) v220.127.116.11. DB2 database server v9.7 running on Linux RedHat 6.2.
Diagnosing the problem
Detailed messages in the RRDI setup log:
WebContainer : 1 CM 6235 1 Audit.RTUsage.cms.CM QUERY CONFIGURATION
/configuration Warning <parameters><item
name="msgText"><![CDATA[CM-SYS-5003 Content Manager is unable to connect to the content store. Verify that the database connection properties in the configuration tool are correct and that when you test the connection, the test is successful.
[jcc][t4][4.13.127] Exception java.net.ConnectException: Error opening socket to server rqm-database/HOSTNAME on port 50,000 with message: DPR-ERR-2002 Unable to execute the request because there were no connections to the process available within the configured time limit. Runtime Exception stack trace: java.net.ConnectException: Connection refused at
Resolving the problem
DB2 32-bit Client, version 9.7 needs to be installed on the client machines.
Then reinstall RRDI and recreate RationalReporting profile to resolve this issue.