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Blank screen displayed in edit mode | Adobe Experience Manager(AEM) | AEM Community Blog Seeding

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Blank screen displayed in edit mode | Adobe Experience Manager(AEM) by Albinsblog

Abstract

BLANK SCREEN DISPLAYED IN EDIT MODE | ADOBE EXPERIENCE MANAGER(AEM)

I was getting the blank screen while accessing the pages through Edit mode in AEM

The below exception was displayed

java.lang.NullPointerException
at org.apache.jsp.libs.cq.gui.components.authoring.workflow.startworkflow.startworkflow_jsp._jspService(startworkflow_jsp.java:217)
at org.apache.sling.scripting.jsp.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:725)
at org.apache.sling.scripting.jsp.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:502)
at org.apache.sling.scripting.jsp.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:449)
at org.apache.sling.scripting.jsp.JspScriptEngineFactory.callJsp(JspScriptEngineFactory.java:339)
at org.apache.sling.scripting.jsp.JspScriptEngineFactory.access$100(JspScriptEngineFactory.java:97)
at org.apache.sling.scripting.jsp.JspScriptEngineFactory$JspScriptEngine.eval(JspScriptEngineFactory.java:600)

Also, the workflow model page was blank with the below exception

s1


java.lang.NullPointerException
at org.apache.jsp.libs.cq.workflow.admin.console.components.datasource.modelsdatasource.modelsdatasource_jsp._jspService(modelsdatasource_jsp.java:410)
at org.apache.sling.scripting.jsp.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:725)
at org.apache.sling.scripting.jsp.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:502)
at org.apache.sling.scripting.jsp.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:449)
at org.apache.sling.scripting.jsp.JspScriptEngineFactory.callJsp(JspScriptEngineFactory.java:339)
at org.apache.sling.scripting.jsp.JspScriptEngineFactory.access$100(JspScriptEngineFactory.java:97)

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Blank screen displayed in edit mode | Adobe Experience Manager(AEM)

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