---
title: Troubleshooting Oracle Database NRDOT monitoring
source: https://docs.newrelic.com/docs/opentelemetry/db360/oracle/troubleshooting
---

Troubleshoot common issues you may encounter when monitoring your Oracle Database with the NRDOT Collector.

## Common issues [#common-issues]

**Test network connectivity**

Run the following command to verify the Oracle Database port is reachable from this host.

```bash
(timeout 3 bash -c '</dev/tcp/<YOUR_ENDPOINT>/<YOUR_PORT>' && echo "PORT OPEN - Network connection successful!") || echo "CONNECTION FAILED - Port closed or firewall blocking"
```

**Expected output:** `PORT OPEN - Network connection successful!`

**Test OTLP endpoint connectivity**

Run the following command to verify your host can reach the selected New Relic OTLP endpoint.

```bash
ENDPOINT="<YOUR_OTLP_ENDPOINT>"
HOST=$(echo "$ENDPOINT" | sed 's|https://||' | cut -d: -f1)
PORT=$(echo "$ENDPOINT" | awk -F: '{print $NF}')
(timeout 2 bash -c "</dev/tcp/$HOST/$PORT" && echo "SUCCESS") || echo "FAILED"
```

**Expected output:** `SUCCESS`

## Data not appearing in New Relic [#data-not-flowing]

-   To check for rate-limit related issues, run:

    ```sql
    SELECT * FROM NrIntegrationError
    ```

-   If data still isn't flowing, check whether there are any drop rules set on your Metric and Log events. See [Drop log data with drop filter rules](https://docs.newrelic.com/docs/logs/ui-data/drop-data-drop-filter-rules/) and [Pipeline control](https://docs.newrelic.com/docs/new-relic-control/pipeline-control/overview/).

-   Check the NRDOT Collector logs:

    ```bash
    journalctl -u nrdot-collector -f
    ```

## Related documentation [#related-docs]

[Introduction](https://docs.newrelic.com/docs/opentelemetry/db360/oracle/introduction)

Choose your installation path for Oracle Database monitoring with New Relic.

[Metrics reference](https://docs.newrelic.com/docs/opentelemetry/db360/oracle/metrics-reference)

Learn about the available metrics collected by the NRDOT Collector.

[Configuration reference](https://docs.newrelic.com/docs/opentelemetry/db360/oracle/config-reference)

Learn about the full-feature configuration options for Oracle Database monitoring with NRDOT.