unable to start Tomcat for Appian 19.4

Hi all, 

I am unable to start the Appian 19.4 instance when i start the tomcat. it shows the following log output

020-04-07 20:24:23,058 [wait-for-component] INFO com.appiancorp.common.startup.WaitForStatefulComponents - Waiting for Appian component Data Server to be healthy...
2020-04-07 20:24:28,065 [wait-for-component] INFO com.appiancorp.common.startup.WaitForStatefulComponents - Waiting for Appian component Data Server to be healthy...
2020-04-07 20:24:33,071 [wait-for-component] INFO com.appiancorp.common.startup.WaitForStatefulComponents - Waiting for Appian component Data Server to be healthy...
2020-04-07 20:24:38,077 [wait-for-component] INFO com.appiancorp.common.startup.WaitForStatefulComponents - Waiting for Appian component Data Server to be healthy...
2020-04-07 20:24:43,085 [wait-for-component] INFO com.appiancorp.common.startup.WaitForStatefulComponents - Waiting for Appian component Data Server to be healthy...
2020-04-07 20:24:48,094 [wait-for-component] INFO com.appiancorp.common.startup.WaitForStatefulComponents - Waiting for Appian component Data Server to be healthy...
2020-04-07 20:24:53,102 [wait-for-component] INFO com.appiancorp.common.startup.WaitForStatefulComponents - Waiting for Appian component Data Server to be healthy...
2020-04-07 20:24:58,110 [wait-for-component] INFO com.appiancorp.common.startup.WaitForStatefulComponents - Waiting for Appian component Data Server to be healthy...
2020-04-07 20:25:03,118 [wait-for-component] INFO com.appiancorp.common.startup.WaitForStatefulComponents - Waiting for Appian component Data Server to be healthy...
2020-04-07 20:25:08,125 [wait-for-component] INFO com.appiancorp.common.startup.WaitForStatefulComponents - Waiting for Appian component Data Server to be healthy...
2020-04-07 20:25:13,133 [wait-for-component] INFO com.appiancorp.common.startup.WaitForStatefulComponents - Waiting for Appian component Data Server to be healthy...
2020-04-07 20:25:18,143 [wait-for-component] INFO com.appiancorp.common.startup.WaitForStatefulComponents - Waiting for Appian component Data Server to be healthy...
2020-04-07 20:25:23,149 [wait-for-component] INFO com.appiancorp.common.startup.WaitForStatefulComponents - Waiting for Appian component Data Server to be healthy...
2020-04-07 20:25:28,156 [wait-for-component] INFO com.appiancorp.common.startup.WaitForStatefulComponents - Waiting for Appian component Data Server to be healthy...
2020-04-07 20:25:33,164 [wait-for-component] INFO com.appiancorp.common.startup.WaitForStatefulComponents - Waiting for Appian component Data Server to be healthy...
2020-04-07 20:25:38,171 [wait-for-component] INFO com.appiancorp.common.startup.WaitForStatefulComponents - Waiting for Appian component Data Server to be healthy...
2020-04-07 20:25:43,178 [wait-for-component] INFO com.appiancorp.common.startup.WaitForStatefulComponents - Waiting for Appian component Data Server to be healthy...
2020-04-07 20:25:48,186 [wait-for-component] INFO com.appiancorp.common.startup.WaitForStatefulComponents - Waiting for Appian component Data Server to be healthy...
2020-04-07 20:25:53,195 [wait-for-component] INFO com.appiancorp.common.startup.WaitForStatefulComponents - Waiting for Appian component Data Server to be healthy...
2020-04-07 20:25:58,202 [wait-for-component] INFO com.appiancorp.common.startup.WaitForStatefulComponents - Waiting for Appian component Data Server to be healthy...
2020-04-07 20:26:03,209 [wait-for-component] INFO com.appiancorp.common.startup.WaitForStatefulComponents - Waiting for Appian component Data Server to be healthy...

Can anyone please help?

Thanks,

Bharat