2382139 - Error during export of big tables - Java heap space using 70SWPM, for products based on NW 7.0X

During the export of a Java system on MSSQL Server, Software Provisioning Manager tool (70SWPM, for products based on NW 7.0X) fails with the following error message:

sapinst_dev.log

Last error reported by the step: Execution of JLoad tool
'"C:\Program Files\sapinst_instdir\NW701\LM\COPY\MSS\EXP\HA\AS-JAVA\EXPDB\sapjvm_4\sapjvm_4\bin\java.exe" -classpath D:\usr\sap\<SID>\SYS\global\sltools\sharedlib\launcher.jar -showversion -Xmx1024m
com.sap.engine.offline.OfflineToolStart com.sap.inst.jload.Jload D:/usr/sap/<SID>/SYS/global/security/lib/tools/iaik_jce.jar;D:/usr/sap/<SID>/SYS/global/security/lib/tools/iaik_jsse.jar;
D:/usr/sap/<SID>/SYS/global/security/lib/tools/iaik_smime.jar;D:/usr/sap/<SID>/SYS/global/security/lib/tools/iaik_ssl.jar;D:/usr/sap/<SID>/SYS/global/security/lib/tools/w3c_http.jar;D:/usr/sap/<SID>/SYS/global/sltools/sharedlib;
C:\usr\sap\<SID>\<instance>\exe\mssjdbc\base.jar;C:\usr\sap\<SID>\<instance>\exe\mssjdbc\util.jar;C:\usr\sap\<SID>\<instance>\exe\mssjdbc\sqlserver.jar;C:\usr\sap\<SID>\<instance>\exe\mssjdbc\spy.jar -sec <SID>,jdbc/pool/<SID>,
D:/usr/sap/<SID>/SYS/global/security/data/SecStore.properties,D:/usr/sap/<SID>/SYS/global/security/data/SecStore.key -dataDir Y:\JAVA\JDMP -remove_trailing_blanks "C:\Program Files/sapinst_instdir/NW701/LM/COPY/MSS/EXP/HA/AS-JAVA/
EXPDB/removeTrailingBlanks.txt" -convert_empty_LOBs "C:\Program Files/sapinst_instdir/NW701/LM/COPY/MSS/EXP/HA/AS-JAVA/EXPDB/convertEmptyLobs.txt" -convert_empty_strings "C:\Program Files/sapinst_instdir/NW701/LM/COPY/MSS/EXP/
HA/AS-JAVA/EXPDB/convertEmptyStrings.txt" -convert_empty_binary "C:\Program Files/sapinst_instdir/NW701/LM/COPY/MSS/EXP/HA/AS-JAVA/EXPDB/convertEmptyBinary.txt"' aborts with return code 1. 

SOLUTION: Check 'jload.log' and 'jload.java.log' for more information. 

When checking both log files jload.java.log and jload.log, further details about this issue can be found:

jload.java.log

java version "1.4.2_34"
Java(TM) 2 Runtime Environment, Standard Edition (build 4.1.064)
SAP Java Server VM (build 4.1.064 25.51-b09, Aug 2 2016 11:15:59 - 41_REL - optU - windows amd64 - 6 - bas2:274072 (mixed mode))
java.lang.reflect.InvocationTargetException
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
..

Exception in thread "main" java.lang.OutOfMemoryError: GC overhead limit exceeded (max heap: 1024 MB)
 at java.lang.Throwable.getStackTraceElement(Native Method)
..
java.lang.OutOfMemoryError: GC overhead limit exceeded (max heap: 1024 MB)
 at java.lang.Thread.init(Thread.java:418)
..
java.lang.OutOfMemoryError: GC overhead limit exceeded


jload.log

06.10.16 10:36:01 com.sap.inst.jload.Jload dbExport
SEVERE: Error during export of KMC_DBRM_CONTENT
 
06.10.16 10:36:01 com.sap.inst.jlojloadckTrace
SEVERE: java.lang.OutOfMemoryError: Java heap space (failed to allocate 485487344 bytes) (max heap: 1024 MB)

• Software Provisioning Manager tool (70SWPM)
• SAP systems based on SAP NetWeaver 7.0x
• SAP system with Java stack or dual-stack
• Database: MSSQL Server
• MS Windows Operating System

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