1768734 - Data file seems to be in old format (no header) - Exception in SWPM (Import) | SAP Knowledge Base Article

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1768734 - Data file seems to be in old format (no header) - Exception in SWPM (Import)


Software Provisioning Manager tool stops the import of the system in step JMigmonJavaDump with an error like:

ERROR <date> <time>
unknown message ID (nw.syscopy.jmigmonRunFailed) with parameter(s):
"\<installation directory>\java.exe" -classpath "\<installation directory>\install\sltools\sharedlib\sap.com~tc~bl~offline_launcher~impl.jar"
-showversion -Xmx4096m -XX: +HeapDumpOnOutOfMemoryError com.sap.engine.offline.OfflineToolStart com.sap.inst.jmigmon.jMigMon
"/<sapmnt>/<SID>/SYS/global/security/lib/tools/iaik_jce.jar; /<sapmnt>/<SID>/SYS/global/security/lib/tools/iaik_jsse.jar;
/<sapmnt>/<SID>/SYS/global/security/lib/tools/iaik_smime.jar; /<sapmnt>/<SID>/SYS/global/security/lib/tools/iaik_ssl.jar;
/<sapmnt>/<SID>/SYS/global/security/lib/tools/w3c_http.jar; /<installation directory>/install/sltools/sharedlib;
\usr\sap\<SID>\JXX\exe\mssjdbc\jdbc4\sqljdbc4.jar" -mode import -sid <SID> -dsn jdbc/pool/<SID> -ssprops
/<sapmnt>/<SID>/SYS/global/security/data/SecStore.properties -sskey /<sapmnt>/<SID>/SYS/global/security/data/SecStore.key
-importDirs \<dump export>\JAVA\JDMP -suppressVerboseLog  64  /<installation directory>/jmigmon.java.logERROR <date> <time>

FCO-00011  The step JMigmonJavaDump with step key |NW_Java_OneHost|ind|ind|ind|ind|0|0|NW_Onehost_System|ind|ind|ind|ind|onehost|0|NW_CreateDBandLoad|ind|
ind|ind|ind|createdbandload|0|NW_Java_Import|ind|ind|ind|ind|javaimport|0|NW_JMigmon|ind|ind|ind|ind|jmigmon|0|JMigmonJavaDump was executed with status ERROR
( Last error reported by the step: ).

In the jmigmon.console.log file, it shows the following error message:

Task <TASK NAME>.XML has failed. Error message: java.io. IOException: Data file seems to be in old format (no header)
Use an earlier version of jload



  • Software Provisioning Manager tool;
  • SAP System with JAVA stack (Java only or Dual Stack);
  • Database Independent;
  • Operational System Independent.


SAP NetWeaver all versions


System Copy, Import, Java, Old Format, Jload, Jmigmon, Importing, Export, Exporting, Migration, Migrating, Corrupted, Data File, Data-file , KBA , BC-INS-MIG , OS/DB Migrations with SWPM and DB refresh , BC-INS , Inst.Tools - Use subcomponents; SAP Note 1669327 , BC-INS-JCI , Java component inst. / jload jmigmon, jsizecheck , Problem

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