Hi List,

We are experiencing problems with our Mid-Tier servers. The login page
freezes after pressing the login button.
After some time mid-tier returns to function. Sometimes it happens to one
mid-tier server, sometimes to the other.

What we can see from the logs are RPC call ARERR 91 errors while trying to
perform actions on login, like retrieving user preferences or saved
searches, such as:

"Dec 6, 2008 3:47:38 PM - WARNING (com.remedy.log.SESSION) : Error loading
preference from server <ARserverIP> for the user DemoARERR [91] RPC call
failed : ONC/RPC call timed out
at
com.remedy.arsys.goat.preferences.ARUserPreferences.clearAndLoadDefaultFields(Unknown
Source)
at
com.remedy.arsys.goat.preferences.ARUserPreferences.loadFromServer(Unknown
Source)
at
com.remedy.arsys.goat.preferences.ARUserPreferences.addConfiguredPreferences(Unknown
Source)
at com.remedy.arsys.goat.preferences.ARUserPreferences.<init>(Unknown
Source)
at
com.remedy.arsys.goat.preferences.ARUserPreferences.getUserPreferences(Unknown
Source)
...
Dec 6, 2008 3:42:38 PM - FINE (com.remedy.log.INTERNAL) : Throw ARException
- ERROR (91): RPC call failed; ONC/RPC call timed out ERROR (91): RPC call
failed; ONC/RPC call timed out
Dec 6, 2008 3:40:38 PM - FINE (com.remedy.log.INTERNAL) : Throw ARException
- ERROR (91): RPC call failed; ONC/RPC call timed out ERROR (91): RPC call
failed; ONC/RPC call timed out
Dec 6, 2008 3:38:45 PM - FINE (com.remedy.log.SESSION) : Login: creating
session
Dec 6, 2008 3:38:45 PM - FINE (com.remedy.log.SESSION) : Login: establishing
Session
Dec 6, 2008 3:38:45 PM - FINE (com.remedy.log.SERVLET) : GoatServlet: No
SessionData
Dec 6, 2008 3:38:45 PM - FINE (com.remedy.log.SERVLET) :
cookie=IP-Restriction-GUID=11d1def534ea1be0:-52afbacf:11e0872f9a3:-7fe4;
JSESSIONID=BAC2EACFE02CCBF01F9D318B53933D99; PopBlock=0
Dec 6, 2008 3:38:45 PM - FINE (com.remedy.log.SERVLET) : GoatServlet:
url=http://<midtierIP>:8080/arsys/
Dec 6, 2008 3:38:45 PM - INFO (com.remedy.log.SESSION) : User Demo on
IPAddress <ARserverIP>
Dec 6, 2008 3:38:45 PM - FINE (com.remedy.log.SESSION) : LoginServlet:
Authentication status: 16
Dec 6, 2008 3:38:45 PM - FINE (com.remedy.log.SESSION) : LoginServlet:
Authenticating Demo against server <ARserverIP>
Dec 6, 2008 3:38:45 PM - FINE (com.remedy.log.SESSION) :
DefaultAuthenticator: Using credentials from login page - Demo
Dec 6, 2008 3:38:45 PM - FINE (com.remedy.log.SESSION) : LoginServlet:
Target URL attribute = /arsys/
Dec 6, 2008 3:38:45 PM - FINE (com.remedy.log.SESSION) : LoginServlet:
locale=<locale>
Dec 6, 2008 3:38:45 PM - FINE (com.remedy.log.SESSION) : LoginServlet:
url=http://<midtierIP>:8080/arsys/servlet/LoginServlet?null"
...
Dec 6, 2008 3:34:05 PM - WARNING (com.remedy.log.SERVLET) : Caught
GoatException ARERR [91] RPC call failed : ONC/RPC call timed out
at com.remedy.arsys.stubs.ServerLogin.<init>(Unknown Source)
at com.remedy.arsys.stubs.ServerLogin.get(Unknown Source)
at com.remedy.arsys.stubs.SessionData.getServerLogin(Unknown Source)
"

We also get this error:

"Dec 5, 2008 6:25:42 PM - SEVERE (com.remedy.log.CACHE) : Globule: Error
sending compressed data globule for formClientAbortException:
java.net.SocketException: Broken pipe
at
org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:366)
at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:352)
at
org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:392)"

The ARS server group has the "Register with Port Mapper" flag on.
I saw a post

http://www.mail-archive.com/[email protected]/msg06018.html

 that could be related to this issue: from time to time mid-tier servers
would try to connect to the ARS port mapper even though the TCP port is
specified under the mid-tier ARS server configurations.
However, the versions in that are ARS and Mid-Tier version 6.3 (we are using
7.1).
Could this be the problem, since our firewall is configured to only accept
connections on the TCP port and not in the UDP 111 port?

We tested connection between the servers and everything seems ok both
ways(by ping and telnet on the TCP port, the UDP port 111 is unreachable by
the midtier servers, but we can see it's open and working in the ARS
server).
Has anyone experienced this issue or the errors above? Is there a know
solution? I couldnt find any in the knowledge base.

Our system is:

AR System 7.1 patch 1 (Windows Server 2003 SP2)
Mid Tier Version 7.1.00 Patch 003 200805260630 (Red Hat 4)
Apache Tomcat 5.5.25


Thanks,

Rudolf

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