Unable to connect to saposs through SM59

Q-: problem while connecting to saposs in SM59.
1- SNC is correctly installed.
2- checked validity of certificate, i run command:
from the SAP router directory and with the user that runs the SAP router service)
sapgenpse get_my_name -v -n Issuer
The answer from this command is:
Issuer : CN=SAP router CA, OU=SAP router, O=SAP, C=DE
But i couldn’t able to connect in sm59 in sap . OSS1 Connection is also not working in sap.
Sol-: Note 24177 - OSS1: Message S1452: Connection to Message Server
Q-: We are having EP system installed on SLES 10 SP1 with Oracle Database. Today, We have upgraded our OS from SLES 10 SP1 to SLES 10 SP4.
After Upgradation of SP, we have started the Portal server but not able to open with the browser.
find below the output of starting of application
qacm:epdadm 51> start sap all Checking EPD Database
Sol-: Be aware that you need to switch to the SAP JVM for Java systems. This is mandatory for SAP systems for SAP to provide you any support.
Another point-:
If you have upgraded the JAVA also with SP upgrade. Then first uninstall the new java version and then install the previous version it will work surely.