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[Java] copy 'Log CDS Configuration' into observability #1839

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Merged
merged 7 commits into from
Jun 3, 2025
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[Java] copy 'Log CDS Configuration' into observability #1839

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copy 'Log CDS Configuration' into observability
JenniferStamm May 13, 2025
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remove link
JenniferStamm May 13, 2025
278dfb8
explicitly list the benefits of turning on cds properties logging
JenniferStamm May 14, 2025
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Merge branch 'main' into feature/dcs-configuration
JenniferStamm May 14, 2025
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Update java/operating-applications/observability.md
JenniferStamm Jun 2, 2025
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Merge branch 'main' into feature/dcs-configuration
JenniferStamm Jun 2, 2025
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Merge branch 'main' into feature/dcs-configuration
JenniferStamm Jun 3, 2025
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28 changes: 28 additions & 0 deletions java/operating-applications/observability.md
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Expand Up @@ -166,6 +166,34 @@ Most of the loggers are used on DEBUG level by default as they produce quite som
Spring comes with its own [standard logger groups](https://docs.spring.io/spring-boot/docs/2.1.1.RELEASE/reference/html/boot-features-logging.html#boot-features-custom-log-groups). For instance, `web` is useful to track HTTP requests. However, HTTP access logs gathered by the Cloud Foundry platform router are also available in the application log.
:::

#### Log CDS Configuration

Upon start-up, you can get an overview of the configured CDS properties. Turn on by setting the log level for `com.sap.cds.properties` to `DEBUG` in the _application.yaml_ file:
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You could list some key capabilities here:

  • lists all accepted cds properties (double-check configuration)
  • warns about usage of undocumented properties
  • warns about usage of deprecated properties
  • secrets are masked


::: code-group
```yaml [srv/src/main/resources/application.yaml]
logging:
level:
com.sap.cds.properties: DEBUG # [!code highlight]
```
:::

::: details Sample output:

```sh
... DEBUG ... com.sap.cds.properties : 'cds.dataSource.autoConfig.enabled': 'false' (default: 'true')
... DEBUG ... com.sap.cds.properties : 'cds.dataSource.embedded': 'true' (default: 'false')
... WARN ... com.sap.cds.properties : 'cds.security.authorization.emptyAttributeValuesAreRestricted': 'false' (default: 'true', deprecated, not documented)
... DEBUG ... com.sap.cds.properties : 'cds.security.mock.users.admin.name': 'admin'
... DEBUG ... com.sap.cds.properties : 'cds.security.mock.users.admin.password': '***' (sensitive)
... DEBUG ... com.sap.cds.properties : 'cds.security.mock.users.admin.roles[0]': 'admin'
... DEBUG ... com.sap.cds.properties : 'cds.security.mock.users.admin.roles[1]': 'cds.Developer'
... DEBUG ... com.sap.cds.properties : 'cds.security.mock.users.admin.attributes.businessPartner[0]': '10401010'
... DEBUG ... com.sap.cds.properties : 'cds.odataV4.endpoint.path': '/api' (default: '/odata/v4')
... DEBUG ... com.sap.cds.properties : 'cds.errors.defaultTranslations.enabled': 'true' (default: 'false')
```
:::

### Logging Service { #logging-service}

The SAP BTP platform offers the [SAP Application Logging service for SAP BTP](https://help.sap.com/docs/r/product/APPLICATION_LOGGING)
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