Login attempt to Secure Global Desktop server fails with with error of "java.io.IOExeption:No response from SGD server" (Doc ID 2221610.1)

Last updated on FEBRUARY 17, 2017

Applies to:

Oracle Secure Global Desktop - Version 4.2 to 5.2 [Release 4.0 to 5.0]
Information in this document applies to any platform.

Symptoms

Secure Global Desktop (SGD) administrator may get reports that users cannot login with the message of "java.io.IOExeption:No response from SGD server" in the user/password login page.
The problem even happens when the system is on low load.

Reviewing the SGD server log files (by default found at: /opt/tarantella/var/log), provides the following information:

In the jserver log, following exception may be seen:

java.lang.OutOfMemoryError: Java heap space
Exception in thread "SGD Proxy Provider Thread 2" java.lang.OutOfMemoryError:
Java heap space
at
org.apache.axis.message.SAX2EventRecorder$objArrayVector.add(SAX2EventRecorder.java:254)
at
org.apache.axis.message.SAX2EventRecorder.characters(SAX2EventRecorder.java:91)
...
at
com.sco.tta.soap.services.proxy.axis.AxisMessageContext.setResponse(Unknown
Source)

In the sgd log, following error may be seen:

server/server/warningerror #1471016861285
Oracle Secure Global Desktop (5.20.929) WARNING:

Only 9 connection workers available, of
1009 connection workers.

You are reaching the limit for the number of connected clients of the
current configuration of this Tarantella server. New clients will be
unable to connect or log in to this Tarantella server.

Increase the number of connection workers available and restart, or
consider adding more servers to the Tarantella array.

SGD has the following settings already:

1. JVM settings in tarantella config:

 

 

 

Cause

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