portal service 500 internal server error and unable to view VSE details

Document ID : KB000095337
Last Modified Date : 10/05/2018
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Unable to view VSE details in portal console and getting below error in registry logs

[Thread-15] INFO  /lisa-virtualize-invoke        - 2 Spring WebApplicationInitializers detected on classpath
[Thread-15] ERROR org.springframework.boot.SpringApplication - Application startup failed
java.lang.IllegalStateException: Unable to load configuration files
    at org.springframework.boot.context.config.ConfigFileApplicationListener.addPropertySources(ConfigFileApplicationListener.java:213)
    at org.springframework.boot.context.config.ConfigFileApplicationListener.postProcessEnvironment(ConfigFileApplicationListener.java:179)
       This issue can occur in multiple scenarios. One possibility is, if we place any customized jars to hotdeploy or shared folders, those jar files might be overwriting existing functionality of lisa-invoke API. So, please test it by removing jars one by one and restart the component.