Keywords

file owner, web page, client_events.log

Version Mapping

NMS	OS	Database	NE
U2000 V100R001 and later versions	Solaris 10	Sybase 15.0	-

 

Symptom

The web page for installing a U2000 client in CAU mode cannot be opened. However, the tomcat web page can be opened properly (enter http:ip address:8080/manager/list in the browser).

 

Problem Identification

This problem is caused by incorrect installation environments.

Cause Analysis

1.         The tomcat web page shows that the CAU process is not running.

2.         The CAU process logs (/opt/U2000/server/var/logs/CAU.log) confirm that the CAU process is not running.

Mon Mar 18 2013 15:21:50.282442 CAU(TomcatMgr.cpp:129) LM_INFO: ==================Detect HTTPS=======================

Mon Mar 18 2013 15:21:50.811207 CAU(TomcatAppMonitor.cpp:215) LM_ERROR: Start app fail, detail: FAIL - Application at context path /cau could not be started

3.         The tomcat logs (/opt/U2000/common/Tomcat/logs/localhost*) show that this problem is caused by the lack of access permission for the client_events.log file.

Caused by: java.io.FileNotFoundException: /opt/U2000/common/Tomcat/webapps/cau/log/client_events.log (Permission denied)

Solution

                               Step 1     Log in to the OS as the root user and run the following command to navigate to the /opt/U2000/common/Tomcat/webapps/cau/log/ directory:

#cd /opt/U2000/common/Tomcat/webapps/cau/log/

                               Step 2     Run the following commands to assign the permission and owner to the client_events.log file:

#chown nmsuser:nmsuser client_events.log

#chmod 755 client_events.log

Restart the to

Please describe correctly the U2000 software version you are using.
Because I can not find the URL above on U2000 V2R14 server.
It will take time to know this document is useful for someone.