FAIL - Application at context path /ODKAggregate could not be started1

Iam unable to start the service under tomcat server earlier it was working fine last couple of weeks the message is showing "FAIL - Application at context path /ODKAggregate could not be started"
and my server is Apache Tomcat/6.0.48 1.8.0_161-b12 Oracle Corporation Windows Server 2008 6.0 x86

if iam deploy again my data can be lost so iam worrying how can i recover my data.

kindly help