Web / Apache OFBiz Interview questions

What build tool does OFBiz use?

OFBiz builds and runs using Gradle, having migrated off Apache Ant in the 16.11 release series. The gradlew/gradlew.bat wrapper scripts are checked into the repository, so no separate Gradle install is required.

Common tasks include:

Command	Purpose
`./gradlew cleanAll loadAll`	Wipes and reloads the demo database
`./gradlew ofbiz`	Starts the OFBiz server
`./gradlew testIntegration`	Runs the integration test suite

Gradle also manages plugin components, letting you pull in optional business apps from the plugins directory as separate, independently buildable modules, and it drives packaging tasks for creating deployable distributions once a build is ready to ship.

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OFBiz migrated its build system from Ant to: Maven

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Gradle

✓ Correct! Well done.

Bazel

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Which command reloads OFBiz's demo database from scratch? ./gradlew ofbiz

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./gradlew cleanAll loadAll

✓ Correct! Well done.

./gradlew testIntegration

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More Related questions...

What is Apache OFBiz? What are the main business applications that ship with Apache OFBiz? What is the Entity Engine in OFBiz? What is the Service Engine in OFBiz? What is a component in OFBiz? What is the purpose of the Screen Widget? What is the purpose of the Form Widget? What is a delegator in OFBiz? What is a dispatcher in OFBiz? What is entitymodel.xml used for? How do you define a new entity in OFBiz? How do you define a new service in OFBiz? What is Mini-language (simple-method) in OFBiz? What build tool does OFBiz use? What are the default admin login credentials for a fresh OFBiz install? What are Security Groups and Security Permissions in OFBiz? What is the Party component used for? What are seed, seed-initial, and demo data types in OFBiz? Why does OFBiz use its own Entity Engine instead of a plain JPA/Hibernate ORM? How does a Service Engine call differ from a direct Java method call? What is the difference between SECA and EECA? Explain the execution flow of a synchronous service call in OFBiz? Explain the execution flow of an asynchronous service call in OFBiz? Explain the internal working of the Screen Widget rendering pipeline? What is the difference between a static entity and a view-entity? How does OFBiz cache entity data, and when should the cache be cleared? What is the difference between GenericValue and GenericEntity? Why would you use a dynamic-view-entity instead of a predefined view-entity? Explain the lifecycle of a sales order in OFBiz from cart to fulfillment? How does OFBiz support multi-tenancy? What is the difference between writing a service in Mini-language versus Groovy? How does OFBiz's Job Scheduler execute persisted and recurring jobs? What is the difference between OFBiz's ModelEntity and ModelService? How do you troubleshoot a service invocation failure using OFBiz logs? Explain the internal working of the OFBiz security/permission checking framework? What is the difference between a screen decorator and a plain screen definition? When should you use a stored/Java service instead of a Mini-language service? How does Distributed Cache Clear (DCC) keep entity caches consistent across a cluster? What happens internally when you run "gradlew cleanAll loadAll"? What is the difference between the plugins directory and the older hot-deploy directory? How can you optimize entity queries in OFBiz for large datasets? What is the difference between the Order Manager and Accounting components? Explain the execution flow of an inbound web request through OFBiz's Control Servlet? How do Entity ECAs enforce validation rules without modifying core Java code? Why doesn't OFBiz ship with a traditional MVC framework like Spring MVC? How can you extend an existing core entity without modifying core framework files? What is the difference between the Fluid and default (Bootstrap-based) OFBiz themes? How does OFBiz integrate with Apache Solr for product search? What is the difference between OFBiz's REST/SOAP service export and calling a service internally? How do you troubleshoot a permission denied error accessing a screen?

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How do you define a new service in OFBiz? What are seed, seed-initial, and demo data types in OFBiz? What is a component in OFBiz? How do you define a new entity in OFBiz? What are the default admin login credentials for a fresh OFBiz install? How does OFBiz cache entity data, and when should the cache be cleared? What is Apache OFBiz? What is the Service Engine in OFBiz? What is the purpose of the Screen Widget? What is entitymodel.xml used for? What is Mini-language (simple-method) in OFBiz? What build tool does OFBiz use? What are Security Groups and Security Permissions in OFBiz? What is the Party component used for? What is a delegator in OFBiz? What is a dispatcher in OFBiz? What are the main business applications that ship with Apache OFBiz? What is the Entity Engine in OFBiz? What is the purpose of the Form Widget? Why does OFBiz use its own Entity Engine instead of a plain JPA/Hibernate ORM?

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