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Support Article

NPE on opening Schema Change Tracking landing page

SA-11383

Summary



Java Null Pointer Exception (NPE) is thrown on the screen and below exception is observed in the logs when you open Schema Change tracking landing page.

Error Messages



12:22:01,961 INFO [stdout] (Dispatcher-Thread-77) 2015-05-29 12:22:01,952 [/xx.xx.xxx.xx:9780-5] [TABTHREAD3] [ ] [ XXXXX:01.02.01] (_System_SchemaChangeLog.Action) ERROR xxxxxxx.xx.xxxxxxx-xxxxxx.xx|xx.xx.xx.xxx [email protected] - com.pega.pegarules.pub.database.DatabaseException: Exception while identifying customer changes to schema.: code: -4461 SQLState: 42815 Message: [jcc][t4][10145][10897][3.65.77] Invalid parameter 4: Parameter index is out of range. ERRORCODE=-4461, SQLSTATE=42815
12:22:01,963 INFO [stdout] (Dispatcher-Thread-77) From: (H340C2C4E59274DEC44766225F788D9A6:xx.xx.xx.xxx)
12:22:01,964 INFO [stdout] (Dispatcher-Thread-77) Caused by SQL Problems.
12:22:01,964 INFO [stdout] (Dispatcher-Thread-77) Problem #1, SQLState 42815, Error code -4461: com.ibm.db2.jcc.am.SqlSyntaxErrorException: [jcc][t4][10145][10897][3.65.77] Invalid parameter 4: Parameter index is out of range. ERRORCODE=-4461, SQLSTATE=42815
12:22:01,965 INFO [stdout] (Dispatcher-Thread-77) 2015-05-29 12:22:01,959 [/xx.xx.xxx.xx:9780-5] [TABTHREAD3] [ ] [ XXXXX:01.02.01] ( internal.mgmt.Executable) ERROR xxxxxxx.xx.xxxxxxx-xxxxxx.xx|xx.xx.xx.xxx [email protected] - Exception
12:22:01,965 INFO [stdout] (Dispatcher-Thread-77) java.lang.NullPointerException
12:22:01,965 INFO [stdout] (Dispatcher-Thread-77) at com.pegarules.generated.activity.ra_action_pzgetallchanges_2081e63a18de2035ec8a11bba13ab63b.step12_circum0(ra_action_pzgetallchanges_2081e63a18de2035ec8a11bba13ab63b.java:1830)
.
.
.
com.pegarules.generated.html_section.ra_stream_pzlocalactionimpl_f6a69fc3568a87f50e7ffd02d9e816cd.execute(ra_stream_pzlocalactionimpl_f6a69fc3568a87f50e7ffd02d9e816cd.java:143)
12:22:01,969 INFO [stdout] (Dispatcher-Thread-77) at com.pega.pegarules.session.internal.mgmt.Executable.getStream(Executable.java:3908)


Steps to Reproduce



In Designer studio, navigate to System > Database > Schema Change Tracking landing page to observe the issue.

Root Cause



The root cause of this problem is a defect in Pegasystems’ code/rules.

Resolution



The issue is resolved in Pega 7.1.8.

Published July 3, 2015 - Updated October 8, 2020

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