Application is not accessible through Tomcat.

Products

• CA Service Desk Manager

Issue/Introduction

 

we are using CA SDM 17.2 which is upgraded and migrated from 14.1 on windows server 2016. As our application not able to run since 21/12/2019 Saturday. When we check the services then all service CA SDM were running. After that we check  the tomcat status using pdm_tomcat_nxd -c status then it shows "Unknown status (0) received for SERVICEDESK Tomcat "  we restarted the server and again start all the services but issue is still same. Please assist ASAP.

Cause

Excerpt from pdm_tpmcat.log 

Dec 23, 2019 12:12:27 AM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
WARNING: The web application [CAisd] appears to have started a thread named [FileWatchdog] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 [email protected]/java.lang.Thread.sleep(Native Method)
 org.apache.log4j.helpers.FileWatchdog.run(FileWatchdog.java:104)
Dec 23, 2019 12:12:27 AM org.apache.coyote.AbstractProtocol stop
INFO: Stopping ProtocolHandler ["https-jsse-nio-8443"]
Dec 23, 2019 12:12:27 AM org.apache.coyote.AbstractProtocol destroy
INFO: Destroying ProtocolHandler ["https-jsse-nio-8443"]
Error: Could not find or load main class Files
Caused by: java.lang.ClassNotFoundException: Files

Environment

Release : 17.2

Component : SERVICE DESK MANAGER

Resolution

#  NX.env file is missing from the NX_ROOT folder. 

# Replaced the file from backup.