Errors Related to Low Code

Errors encountered in lowcode logs while starting the Low Code service

• Scenario 1: Unable to deploy jw.war while starting the Low Code service.
  

  INFO [main] org.apache.catalina.startup.HostConfig.deployWAR Deploying web application archive [C:\RPA201\AssistEdgeAutomationGA\runtime\tomcat\apache-tomcat-9.0.82\webapps\jw.war] 01-Nov-2023 23:03:50.919 SEVERE [main] org.apache.catalina.startup.HostConfig.deployWAR Error deploying web application archive [C:\RPA201\AssistEdgeAutomationGA\runtime\tomcat\apache-tomcat-9.0.82\webapps\jw.war]     java.lang.IllegalStateException: Error starting child         at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:686)         at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:658) Caused by: java.lang.NoClassDefFoundError: org/joget/commons/util/PluginThread         at java.base/java.lang.Class.getDeclaredFields0(Native Method)

• Scenario 2: UI not getting loaded properly or edit section missing at the bottom of the Low Code home page.

Solution for scenario 1 and 2: 

1. Stop the Low Code service.
2. Clean up the folders at runtime/tomcat/tomcat-9.0.82/work and /temp.
3. Delete the jw folder at runtime/tomcat/tomcat-9.0.82/webapps/jw.
   Make sure you do not delete the jw.war file.
4. Start the Low Code service.