Solution : https://service.sap.com/sap/support/notes/716926 (SAP Service marketplace login required)
Key words : 
memory permsize heap stability jdk jvm version reason, solution manager diagnostics agent occurs, /products1/unix/java/patches/index, minimum hp-ux patches required, required hp-ux patches, special hp j2se versions, required os patches, jvm parameter -xverbosegc, solution jdk offered, hpthe recommended version
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