1604253 - ClassNotFoundException opening Integration Builder

• An error occurs when launching the Integration Directory from the Process Integration (PI) page;
• The detailed error message below appears:

An error occurred while launching/running the application.

Title: Integration Directory
Vendor: SAP AG
Category: Unexpected Error

com.sap.aii.ibdir.gui.appl.ApplicationImpl

java.lang.ClassNotFoundException: com.sap.aii.ibdir.gui.appl.Application
Impl
at com.sun.jnlp.JNLPClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.jnlp.JNLPClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at com.sun.jnlp.JNLPClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at com.sun.javaws.Launcher.continueLaunch(Unknown Source)
at com.sun.javaws.Launcher.handleApplicationDesc(Unknown Source)
at com.sun.javaws.Launcher.handleLaunchFile(Unknown Source)
at com.sun.javaws.Launcher.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental. 

• SAP NetWeaver 7.5
• SAP Process Integration

Java Web Start, Enterprise Services Builder, Integration Repository, Process Integration 7.10, PI 7.10, Process Integration 7.11, PI 7.11, SAP_XITOOL , KBA , BC-XI-IBC , Integration Builder - Configuration , Problem