HOW TO SAP - Java Export OutofMemoryError: Java heap Space

May 10, 2011   java error , outofMemoryError

1. During Java export using sapinst, you encounter error.
   
   
2. View C:/Program Files/sapinst_instdir/PI71/LM/MSS/COPY/EXP/AS-JAVA/EXP/jload.java.log
   
   
   SEVERE: java.lang.OutOfMemoryError: Java heap space (failed to allocate 256268168 bytes)
   at com.microsoft.sqlserver.jdbc.SQLServerBlob.getBytes(Unknown Source)
   at com.sap.sql.jdbc.common.CommonWrappedBlob.getBytes(CommonWrappedBlob.java:59)
   at com.sap.inst.jload.db.BlobHandler.writeValue(BitHandler.java:174)
   at com.sap.inst.jload.db.DBTable.unload(DBTable.java:245)
   at com.sap.inst.jload.Jload.dbExport(Jload.java:250)
   at com.sap.inst.jload.Jload.executeJob(Jload.java:503)
   at com.sap.inst.jload.Jload.main(Jload.java:743)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:585)
   at com.sap.engine.offline.OfflineToolStart.main(OfflineToolStart.java:161)

1. Go to C:\Program Files\sapinst_instdir\PI71\LM\MSS\COPY\EXP\AS-JAVA\EXP
   
   
2. Edit control.xml in a notepad
   
   
   
3. Search and replace the following
   
   

• jloadHeap from Xmx1024 to Xmx2048m
  
  
  
• jdkArgs to Xmx512
  
  
  
• jdkArgs to Xmx2048
  
  
  
• jdkArgs to Xmx2048