error in starting workflow

[kasturikashyap]

Hi All,
After deploying amps and bpmn files for workflow ,i restarted alfresco. I got the below error message.Please help.

SEVERE: IOException while loading persisted sessions: java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: org.alfresco.repo.workflow.activiti.properties.ActivitiPropertyConverter
java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: org.alfresco.repo.workflow.activiti.properties.ActivitiPropertyConverter

Caused by: java.io.NotSerializableException: org.alfresco.repo.workflow.activiti.properties.ActivitiPropertyConverter

[yvoswillens]

Hi,

This is caused by the session serialization used by your app server / servlet container. This is not supported for the Explorer app.
A standard Tomcat install is supported.

Regards,

Yvo