Bad major version error on startup of iProcess Workspace Browser

Bad major version error on startup of iProcess Workspace Browser

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Article ID: KB0077863

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Updated On:

Products Versions
TIBCO iProcess Workspace (Browser) 11.6.0

Description

An error:

    Jun 21, 2019 10:54:21 AM org.apache.catalina.startup.HostConfig deployDescriptor
    SEVERE: Error deploying configuration descriptor TIBCOActProc.xml
    java.lang.UnsupportedClassVersionError: (com/tibco/bpm/actionprocessor/ActionProcessor) bad major version at offset=6 (unable to load class com.tibco.bpm.actionprocessor.ActionProcessor)
            at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2858)
            at org.apache.catalina.startup.WebAnnotationSet.loadApplicationServletAnnotations(WebAnnotationSet.java:108)
      [...]

may appear in the catalina.out log file when starting Apache Tomcat with iProcess Workspace Browser (v11.6.0).

Issue/Introduction

An error appears in the catalina.out log when starting Tomcat with iProcess Workspace Browser

Environment

iProcess Workspace Browser with Tomcat on all OS platforms

Resolution

This error may appear if the Tomcat is version 6.0 or older as iProcess Workspace Browser (iPWB) and the Action Processor (AP) require a later servlet version as per the readme documentation for supported versions:

   Servlet Engine
     Apache Tomcat 7.0.x, 8.0.x, 9.0.x
       7.0.x - 7.0.84 or above
       8.0.x - 8.0.49 or above
       9.0.x - 9.0.5 or above

Upgrade to a supported version of Tomcat to resolve the error.

Additional Information

iPWB, AP, Tomcat
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