#vulnerable code 
                                public void initDbConnectServer() throws Exception{
        dbRpcConnnectManngeer.initManager();
        dbRpcConnnectManngeer.initServers(sdDbServers);
    } 
                            #location 3 
                            #vulnerability type THREAD_SAFETY_VIOLATION
#fixed code
                                public void initDbConnectServer() throws Exception{
        dbRpcConnnectManngeer.initManager();
        dbRpcConnnectManngeer.initServers(rpcConfig.getSdDbServers());
    }