2545122 - CALL_FUNCTION_OPEN_ERROR dump on ST22: Resources exhausted

• You find on CALL_FUNCTION_OPEN_ERROR dump from ST22 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  *  COMPONENT DP
 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]

• You may also find CALL_FUNCTION_REMOTE_ERROR dump:

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

SAP NetWeaver system;

DpCreateCommEntry, comm table full, rdisp/max_comm_entries, rdisp/wp_ca_blk_no
COMM_TABLE_OVERFLOW, 249, Comm. table full, R3_LOGIN_FAILED, 672, R/3 Login failed , KBA , BC-CST-GW , Gateway/CPIC , Problem