Solution : https://service.sap.com/sap/support/notes/1046896 (SAP Service marketplace login required)
Key words :
java vm console, sun java vm, latest java versions, relevant attached files, graphical view, gantt applet, system issues, nullpointerexception atcom, unknown source, browser properly
Related Notes :
1035436 | New version of JNet/JGantt JAR files for WD applications |