Administrator.log file shows below error.
 
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2020 May 15 13:58:43:394 GMT +0900 Info [Deployment] PSINFRADEP-300011 [Thread-30]  "[][DefaultLogger/ServletEngine] Verifying if the web application administrator-EAI_OP-Uddi Console-5.1.2 at the context root administrator-EAI_OP-Uddi Console-5.1.2 is deployed."
2020 May 15 13:58:43:403 GMT +0900 Error [Administrator] AESDKJ-0000 [Thread-30]  com.tibco.ps.webapp.deployment.ServletEngineConfigException:
    at com.tibco.ps.webapp.deployment.impl.apache.TomcatServletEngine.isApplicationDeployed(TomcatServletEngine.java:405)
    at com.tibco.administrator.AdministratorPlugInManager.deployPlugIn(AdministratorPlugInManager.java:77)
    at com.tibco.administrator.AdministratorServlet$7.run(AdministratorServlet.java:744)
    at java.lang.Thread.run(Thread.java:748)
Caused by: java.io.IOException: Server returned HTTP response code: 400 for URL: http://abcd_DR01:8080/manager/text/list
    at com.tibco.ps.webapp.deployment.impl.apache.TomcatListTask.execute(TomcatListTask.java:99)
    at com.tibco.ps.webapp.deployment.impl.apache.TomcatServletEngine.isApplicationDeployed(TomcatServletEngine.java:400)
    ... 3 more
Caused by: java.io.IOException: Server returned HTTP response code: 400 for URL: http://abcd_DR01:8080/manager/text/list
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1894)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1492)
    at com.tibco.ps.webapp.deployment.impl.apache.TomcatListTask.execute(TomcatListTask.java:70)
    ... 4 more
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The error occurs because the hostname has invalid character underscore('_').
https://en.wikipedia.org/wiki/Hostname#Restrictions_on_valid_host_names <https://en.wikipedia.org/wiki/Hostname#Restrictions_on_valid_host_names>