Solution : https://service.sap.com/sap/support/notes/1268493 (SAP Service marketplace login required)
Key words : 
/instguides -> sap business suite applications -> sap scm installation guide - sap srm 7, symptom        installing additional java usage types / software units, /crm-inst installation guide - sap scm 7, /erp-inst installation guide - sap crm 7, /installnw70 installation guide - sap erp 6, install additional java usage types, installation guide - sap netweaver 7, additional business packages reason, netweaver business intelligence java, 0 including enhancement package 1 java
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| 883948 | NW 7.00(2004s): Inst.Add.Java Usage Types/Software Units |