1938098 - SUM Java Error: "Error during validation."

You are performing Java system update via SUM. An error occurred as below.

***********************************************

----Trouble Ticket Report-----

The execution of step Validate queue of action configure ended in error.

Service com.sap.sdt.jspm.service.JspmService failed with message:

Checking of deployment queue completed with error.

More information can be found in the log file
/usr/sap/EHPI/SUM/sdt/log/SUM/VALIDATE-QUEUE_03.LOG.

----VALIDATE-QUEUE_03.LOG-----

Mar 6, 2013 2:01:28 PM [Error ]: The following problem has occurred
during step execution: com.sap.sdt.jspm.service.JspmServiceException:
Checking of deployment queue completed with error.
java.lang.NullPointerException:

-----VALIDATION_RESULTS_03.LOG-----

Mar 6, 2013 2:00:32 PM [Info  ]: You can find additional information in
SDM log file
/usr/sap/<SID>/DVEBMGS02/SDM/program/log/sdmcl20130306140032.log. If SDM
has performed no action, this file does not exist.
Mar 6, 2013 2:01:26 PM [Error ]: Error during validation. Detailed
message is $(0).
Mar 6, 2013 2:01:26 PM [Info  ]: SDM validation results:

----/usr/sap/<SID>/DVEBMGS02/SDM/program/log/sdmcl20130306140032.log--------

Mar 6, 2013 2:01:25 PM   Info:Loading archive '/usr/sap/<SID>/DVEBMGS02/SDM/program/temp/SAPXITOOL12_2-10006662.SCA'
Mar 6, 2013 2:01:26 PM   Error: Exception occured during
extractSingleFile: Unexpected end of ZLIB input stream

----SUM.trc----

Mar 6, 2013 2:01:25 PM[Debug]:                                                      com.sap.sdt.j2ee.tools.sdmprocess.SDMLogMonitor [Thread[SDM Log Monitor Thread,5,main]]: Firing deployment event Exception occured during extractSingleFile: unexpected EOF ACTION_FINISHED  OBJECT_TYPE_RESTART  Exception occured during extractSingleFile: unexpected EOF
Mar 6, 2013 2:01:25 PM[Debug]:                                                         com.sap.sdt.jspm.trace.JspmExtLoggingManager [Thread[UC-4,5,main]]: 

***********************************************

NetWeaver Java based systems.

ZLIB input stream, extractSingleFile, unexpected, EOF, software update manager, SPS, stack xml, SMP, SDA, SDM , KBA , BC-UPG-TLS-TLJ , Upgrade tools for Java , BC-UPG-OCS-SPJ , Please use component BC-UPG-TLS-TLJ , BC-CTS-SDM , Software Delivery Manager for Java , BC-EHP-INS , Please use BC-UPG-TLS* , BC-EHP-INS-TLJ , EHP Installer deprecated. Please use BC-UPG-TLS-TLJ , Problem