diff --git a/auth/ldap.go b/auth/ldap.go
index bb401bc..1410050 100644
--- a/auth/ldap.go
+++ b/auth/ldap.go
@@ -29,7 +29,7 @@ var ldapAdminPassword string
 func initLdap(config *LdapConfig) error {
 	ldapAdminPassword = os.Getenv("LDAP_ADMIN_PASSWORD")
 	if ldapAdminPassword == "" {
-		log.Println("warning: environment variable 'LDAP_ADMIN_PASSWORD' not set")
+		log.Println("warning: environment variable 'LDAP_ADMIN_PASSWORD' not set (ldap sync or authentication will not work)")
 	}
 
 	ldapConfig = config
diff --git a/metricdata/cc-metric-store.go b/metricdata/cc-metric-store.go
index 2d18a79..1d3c193 100644
--- a/metricdata/cc-metric-store.go
+++ b/metricdata/cc-metric-store.go
@@ -6,6 +6,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"log"
 	"net/http"
 	"os"
 	"time"
@@ -50,7 +51,7 @@ func (ccms *CCMetricStore) Init(url string) error {
 	ccms.url = url // os.Getenv("CCMETRICSTORE_URL")
 	ccms.jwt = os.Getenv("CCMETRICSTORE_JWT")
 	if ccms.jwt == "" {
-		return errors.New("environment variable 'CCMETRICSTORE_JWT' not set")
+		log.Println("warning: environment variable 'CCMETRICSTORE_JWT' not set")
 	}
 
 	return nil
@@ -73,7 +74,9 @@ func (ccms *CCMetricStore) doRequest(job *model.Job, suffix string, metrics []st
 	if err != nil {
 		return nil, err
 	}
-	req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", ccms.jwt))
+	if ccms.jwt != "" {
+		req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", ccms.jwt))
+	}
 	return ccms.client.Do(req)
 }
 
@@ -174,14 +177,16 @@ func (ccms *CCMetricStore) LoadNodeData(clusterId string, metrics, nodes []strin
 
 	var req *http.Request
 	if nodes == nil {
-		req, err = http.NewRequestWithContext(ctx, http.MethodPost, fmt.Sprintf("%s/api/%d/%d/all-nodes", ccms.url, from, to), bytes.NewReader(reqBodyBytes))
+		req, err = http.NewRequestWithContext(ctx, http.MethodPost, fmt.Sprintf("%s/api/%s/%d/%d/all-nodes", ccms.url, clusterId, from, to), bytes.NewReader(reqBodyBytes))
 	} else {
 		req, err = http.NewRequestWithContext(ctx, http.MethodPost, fmt.Sprintf("%s/api/%d/%d/timeseries", ccms.url, from, to), bytes.NewReader(reqBodyBytes))
 	}
 	if err != nil {
 		return nil, err
 	}
-	req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", ccms.jwt))
+	if ccms.jwt != "" {
+		req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", ccms.jwt))
+	}
 	res, err := ccms.client.Do(req)
 	if err != nil {
 		return nil, err
diff --git a/metricdata/influxdb-v2.go b/metricdata/influxdb-v2.go
index 1719ab3..5c1ade0 100644
--- a/metricdata/influxdb-v2.go
+++ b/metricdata/influxdb-v2.go
@@ -2,8 +2,8 @@ package metricdata
 
 import (
 	"context"
-	"errors"
 	"fmt"
+	"log"
 	"os"
 	"strings"
 	"time"
@@ -24,7 +24,7 @@ type InfluxDBv2DataRepository struct {
 func (idb *InfluxDBv2DataRepository) Init(url string) error {
 	token := os.Getenv("INFLUXDB_V2_TOKEN")
 	if token == "" {
-		return errors.New("warning: environment variable 'INFLUXDB_V2_TOKEN' not set")
+		log.Println("warning: environment variable 'INFLUXDB_V2_TOKEN' not set")
 	}
 
 	idb.client = influxdb2.NewClient(url, token)