WLST : *sys-package-mgr*: can't write cache file for

On a new box, when I run /opt/oracle/fmw11_1_1_5/osb/common/bin/wlst.sh I get:

Initializing WebLogic Scripting Tool (WLST) ...

*sys-package-mgr*: can't write cache file for '/opt/oracle/fmw11_1_1_5/oracle_common/modules/oracle.jrf_11.1.1/jrf-wlstman.jar'
*sys-package-mgr*: can't write cache file for '/opt/oracle/fmw11_1_1_5/oracle_common/common/wlst/lib/adfscripting.jar'
*sys-package-mgr*: can't write cache file for '/opt/oracle/fmw11_1_1_5/oracle_common/common/wlst/lib/adf-share-mbeans-wlst.jar'
*sys-package-mgr*: can't write cache file for '/opt/oracle/fmw11_1_1_5/oracle_common/common/wlst/lib/mdswlst.jar'
*sys-package-mgr*: can't write cache file for '/opt/oracle/fmw11_1_1_5/oracle_common/common/wlst/resources/auditwlst.jar'
*sys-package-mgr*: can't write cache file for '/opt/oracle/fmw11_1_1_5/oracle_common/common/wlst/resources/igfwlsthelp.jar'
*sys-package-mgr*: can't write cache file for '/opt/oracle/fmw11_1_1_5/oracle_common/common/wlst/resources/jps-wlst.jar'
*sys-package-mgr*: can't write cache file for '/opt/oracle/fmw11_1_1_5/oracle_common/common/wlst/resources/jrf-wlst.jar'
*sys-package-mgr*: can't write cache file for '/opt/oracle/fmw11_1_1_5/oracle_common/common/wlst/resources/oamap_help.jar'
*sys-package-mgr*: can't write cache file for '/opt/oracle/fmw11_1_1_5/oracle_common/common/wlst/resources/oamAuthnProvider.jar'
*sys-package-mgr*: can't write cache file for '/opt/oracle/fmw11_1_1_5/oracle_common/common/wlst/resources/ossoiap_help.jar'
*sys-package-mgr*: can't write cache file for '/opt/oracle/fmw11_1_1_5/oracle_common/common/wlst/resources/ossoiap.jar'
*sys-package-mgr*: can't write cache file for '/opt/oracle/fmw11_1_1_5/oracle_common/common/wlst/resources/ovdwlsthelp.jar'
*sys-package-mgr*: can't write cache file for '/opt/oracle/fmw11_1_1_5/oracle_common/common/wlst/resources/sslconfigwlst.jar'
*sys-package-mgr*: can't write cache file for '/opt/oracle/fmw11_1_1_5/oracle_common/common/wlst/resources/wsm-wlst.jar'
*sys-package-mgr*: can't write cache file for '/opt/oracle/fmw11_1_1_5/utils/config/10.3/config-launch.jar'
*sys-package-mgr*: can't write cache file for '/opt/oracle/fmw11_1_1_5/wlserver_10.3/common/derby/lib/derbynet.jar'
*sys-package-mgr*: can't write cache file for '/opt/oracle/fmw11_1_1_5/wlserver_10.3/common/derby/lib/derbyclient.jar'
*sys-package-mgr*: can't write cache file for '/opt/oracle/fmw11_1_1_5/wlserver_10.3/common/derby/lib/derbytools.jar'
*sys-package-mgr*: can't write index file

doing ls -ltr /tmp I find out that wlstTempsoa and alsbTempJars belong to a strange user 1102

drwxr-xr-x 3    1102   506   4096 May 13 23:05 wlstTempsoa
-rw-r----- 1    1102   506      0 May 14 10:08 pki_data-1980089318.lck.tmp
-rw-r----- 1    1102   506      0 May 14 10:08 pki_data638484921.lck.tmp
-rw-r----- 1    1102   506      0 May 14 10:08 jazn-data1986377050xml.lck
drwxr----- 2    1102   506   4096 May 14 10:08 alsbTempJars

https://forums.oracle.com/forums/thread.jspa?messageID=3018833

mkdir /tmp/wlstTmp

and edit /opt/oracle/fmw11_1_1_5/osb/common/bin/wlst.sh adding

export WLST_PROPERTIES="-Dpython.cachedir=/tmp/wlstTmp"