UIM 20.3 OC (wasp) will not start after upgrade
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UIM 20.3 OC (wasp) will not start after upgrade


Article ID: 200703


Updated On:


DX Unified Infrastructure Management (Nimsoft / UIM)


Upgraded UMP to OC 20.3 and wasp probe will not start.

Aug 11 14:02:19:893 ERROR [attach_socket, com.nimsoft.nimbus.NimServerSession] Exception in NimServerSessionThread.run.  Closing session.
Aug 11 14:02:19:894 ERROR [attach_socket, com.nimsoft.nimbus.NimServerSession] (2) communication error, I/O error on nim session (S) com.nimsoft.nimbus.NimServerSession(Socket[addr=/,port=64629,localport=48027]): End of stream while trying to read header
 at com.nimsoft.nimbus.NimSessionBase.recv(NimSessionBase.java:944)
 at com.nimsoft.nimbus.NimServerSession.recv(NimServerSession.java:90)
 at com.nimsoft.nimbus.NimServerSession$NimServerSessionThread.handleMessage(NimServerSession.java:145)
 at com.nimsoft.nimbus.NimServerSession$NimServerSessionThread.run(NimServerSession.java:123)
Caused by: java.io.EOFException: End of stream while trying to read header
 at com.nimsoft.nimbus.NimSessionBase.readNimbusHeader(NimSessionBase.java:1080)
 at com.nimsoft.nimbus.NimSessionBase.recv(NimSessionBase.java:883)

This can be seen in scenarios where older webapps still present in wasp probe.


UIM 20.3.x


This is caused by the selfcert portlet not being deleted on the upgrade.


Open the wasp probe in raw configure

Change selfcert load_on_startup to false. 

Deactivate the wasp probe, and activate it.

When wasp shows a port an pid launch the probe utility.

Click once on the ump robot controller probe to highlight it.

Press ctrl-p to open probe utility.

From the pulldown and select inst_pgk_remove.

Type ump_selfcert in the package section and press play.

Close the probe utility.

Open wasp raw configure again and remove the selfcert section, click on selfcert, then press Delete Section.

Press Ok and close window.

Deactivate the wasp probe.

Backup and then delete the following folders.

Restart the wasp probe then restart the robot. You do not have to wait for wasp to fully start before restarting robot.


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