I'm not sure the first installation was made with root.
Now, I'm using a common user (pdvtst).
I've tried with "-Djava.io.tmpdir=/donapp/pdvtst/p00/dat" and now,
I have in /donapp/pdvtst/p00/dat :
jetty-0.0.0.0-1505-acl-_acl-any-4040985690609961631.dir jetty-0.0.0.0-1505-pf-_pf-any-3968396557636709412.dir
jetty-0.0.0.0-1505-api-_api-any-4681397464759819892.dir jetty-0.0.0.0-1505-root-_-any-1882350417589514835.dir
jetty-0.0.0.0-1505-jasper-server-_jasper-server-any-2443066329987411687.dir jetty-0.0.0.0-1507-phoenix-10.1.0-_devtest-any-6632036403342822788.dir
jetty-0.0.0.0-1505-lisa-invoke-_lisa-invoke-any-6954485825787865705.dir jetty-0.0.0.0-1507-res-hub-10.1.0-_res-hub-any-903501021270248668.dir
jetty-0.0.0.0-1505-lisa-pathfinder-invoke-_lisa-pathfinder-invoke-any-8139805124069485398.dir jetty-0.0.0.0-1508-solrservice-_solrservice-any-5829380335501295124.dir
jetty-0.0.0.0-1505-lisa-test-invoke-_lisa-test-invoke-any-2227861410901288174.dir LISA4564427609258411890
jetty-0.0.0.0-1505-lisa-virtualize-invoke-_lisa-virtualize-invoke-any-8064079796438980767.dir LISA6119445997719952394
and I have in /tmp :
i4jdaemon__applis_pdvtst_pur_prd_10.1_bin_BrokerService
i4jdaemon__applis_pdvtst_pur_prd_10.1_bin_PortalService
i4jdaemon__applis_pdvtst_pur_prd_10.1_bin_RegistryService
i4jdaemon__applis_pdvtst_pur_prd_10.1_bin_VirtualServiceEnvironmentService
It's bad not to have a simple variable to specify a common tmp folder for all components.