OCCI ERROR: (ORA-24392 ) !!

Question

hello all:
After my OCCI connection pool runs a moment.
it Crash:
Error number: 24392
ORA-24392: 没有与服务器句柄相关的连接池
ORA-24392: no connection pool to associate server handle
follow is my occi connection pool source code.
help me to find problem. thanks.
class COcciPool
public:
     Environment *env;
     ConnectionPool *connPool;
     //Connection *con;
     //Statement *stmt;
private:
          string poolUserName;
          string poolPassword;
          string connectString;
          string username;
          string password;
          unsigned int maxConn;
          unsigned int minConn;
          unsigned int incrConn;
public :
     * Constructor for the occipool test case.
     COcciPool ()
          //env = Environment::createEnvironment (Environment::DEFAULT);
          connPool = NULL;
          env = Environment::createEnvironment (Environment::THREADED_MUTEXED);
     }// end of constructor occipool ()
     * Destructor for the occipool test case.
     ~COcciPool ()
          if(connPool) freePool();
          Environment::terminateEnvironment (env);
public:
     bool InitPool(char dbname,char uid,char *pwd,int min,int max,int incr);
     void freePool();
     Connection *getFreeConn();
     void freeConn(Connection *pcon);
#include "occipool.h"
#include "system.h"
bool COcciPool::InitPool(char dbname,char uid,char *pwd,int min,int max,int incr)
     if( min>max || (min==0 && max==0) )
          printlog("Invalid Pool Parameter");
          return false;
     connPool = env->createConnectionPool(uid, pwd, dbname, min, max, incr);
try
          if (connPool)
          printlog("SUCCESS - createConnectionPool");
          else
          printlog("FAILURE - createConnectionPool");
          /*con = connPool->createConnection (uid, pwd);
          if (con)
          cout << "SUCCESS - createConnection" << endl;
          else
          cout << "FAILURE - createConnection" << endl;*/
}catch(SQLException ex)
          printlog("Exception thrown for createConnectionPool");
          printlog("Error number: %d", ex.getErrorCode());;
          printlog("%s",ex.getMessage().c_str());
          connPool = NULL;
          return false;
     connectString = dbname;
     poolUserName=uid;
     poolPassword=pwd;
     username = uid;
     password = pwd;
     maxConn = max;
     minConn = min;
     incrConn = incr;
     return true;
void COcciPool::freePool()
     env->terminateConnectionPool (connPool);
Connection *COcciPool::getFreeConn()
     Connection *pcon = NULL;
     if(connPool->getBusyConnections()>=maxConn)
          return NULL;
     try
          pcon = connPool->createConnection (username, password);
          if (!pcon)
          printlog("!!Warning:FAILURE - createConnection");
          /*cout << "SUCCESS - createConnection" << endl;
          else
          cout << "FAILURE - createConnection" << endl;*/
}catch(SQLException ex)
          printlog("Exception thrown for createConnection");
          printlog("Error number: %d",ex.getErrorCode());
          printlog("%s",ex.getMessage().c_str());
          return NULL;
     return pcon;
void COcciPool::freeConn(Connection *pcon)
     if(pcon)
          connPool->terminateConnection (pcon);
Message was edited by:
user470898

Answer 1

When exactly do you get this error? Are you by any chance first terminating the connection pool and then trying to use/free a Connection?. Please post your coding showing the connection pool is being accessed.
Thanks,
Shankar