Had configured the Bitbucket with Jenkins , When there is pull request merged jenkins build job needs to trigger. But Jenkins not triggering the build job.

In bit bucket added webhook url my domain/bitbucket-hook/

Jenkins

installed Bitbucket, push and pull request plugin

Build Triggers - Enabled Bitbucket webhook trigger (pull request), Build with BitBucket Push and Pull Request Plugin, Poll SCM

Enabled the below logs

• com.cloudbees.jenkins.plugins.BitbucketHookReceiver
• com.cloudbees.jenkins.plugins.BitBucketTrigger
• com.cloudbees.jenkins.plugins.BitbucketJobProbe
• com.cloudbees.jenkins.plugins.BitbucketPayloadProcessor
• com.cloudbees.jenkins.plugins.bitbucket.BitbucketSCMSource
• }}When i merge the pull request{{in bitbucket i am seeing the Webhooks request details with status 200 with body as empty.
• {{}}
• in jenkins logs i am receiving the request from webhook}}Received commit hook notification :{{.... JOSN with commit messages, But build is not triggered.