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2545122 - CALL_FUNCTION_OPEN_ERROR dump on ST22: Resources exhausted


  • CALL_FUNCTION_OPEN_ERROR dumps appearing in the transaction ST22 with the error GW_TABLE_OVERFLOW: “Active connection table is full” (thRc=249).


Work process trace file shows:

 *** ERROR => DpCreateCommEntry: comm table full (xxxx entries), please check param rdisp/max_comm_entries [dpxxcomm.c 371]
 M  *  LOCATION SAP-Server SAP-Server <hostname>_<SID>_<nr> on host hostname (wp x)
 M  *  ERROR comm table full
 M  *  TIME
 M  *  DETAIL  DpCreateCommEntry: comm table full (xxxx entries), please
 M  *              check param rdisp/max_comm_entries

At the same moment the Gateway trace file (dev_rd) is showing:

 *** ERROR => DpCreateCommEntry: comm table full (xxxx entries), please check param rdisp/max_comm_entries [dpxxcomm.c 371]

  • CALL_FUNCTION_REMOTE_ERROR dumps might also appear:

Short Text
   " Logon failed”                                                                              
    CPIC-CALL: 'ThSAPCMRCV' : cmRc=17 thRc=672


Error analysis
Component............ CPIC                                                                  
Location.......... SAP-Server <hostname>_<SID>_<nr> on host hostname (wp x)                  
Error code............ 672    
Error text............ Logon failed                                                               


At the same moment , Dispatcher trace (dev_disp) is showing:

 *** WARNING => DpResourcesOk: too many <resource>
 DpSendLoadInfo: Resources exhausted
 DpSendLoadInfo: Resources exhausted
 DpSendLoadInfo: Resources exhausted
 DpUpdateStatusFileWith: state=YELLOW, reason=Server resources exhausted

Checking SAP Note 63347 - List: CPIC error codes, the following can be seen:

  COMM_TABLE_OVERFLOW           249     Comm. table full
  R3_LOGIN_FAILED                      672     R/3 Login failed



  • Operating System independent
  • Database independent
  • SAP NetWeaver
  • SAP Web Application Server for SAP S/4HANA
  • ABAP Platform 


ABAP platform all versions ; SAP NetWeaver all versions ; SAP Web Application Server for SAP S/4HANA all versions


DpCreateCommEntry, comm table full, rdisp/max_comm_entries, rdisp/wp_ca_blk_no,too many ca blocks, Resources exhausted
COMM_TABLE_OVERFLOW, 249, Comm. table full, R3_LOGIN_FAILED, 672, R/3 Login failed, reason=Server resources exhausted , KBA , BC-CST-GW , Gateway/CPIC , Problem

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