While Starting with the WLST , we are facing the below issue:
bash-3.00$ java weblogic.WLST

Initializing WebLogic Scripting Tool (WLST) ...

*sys-package-mgr*: can't write cache file for '/path/bea/jdk150_10/jre/lib/rt.jar'
*sys-package-mgr*: can't write cache file for '/path/bea/weblogic92/server/lib/weblogic.jar'
*sys-package-mgr*: can't write cache file for '/path/bea/jdk150_10/jre/lib/rt.jar'
*sys-package-mgr*: can't write cache file for '/path/bea/jdk150_10/jre/lib/jsse.jar'
*sys-package-mgr*: can't write cache file for '/path/bea/jdk150_10/jre/lib/jce.jar'
*sys-package-mgr*: can't write cache file for '/path/bea/jdk150_10/jre/lib/charsets.jar'
*sys-package-mgr*: can't write cache file for '/path/bea/jdk150_10/jre/lib/ext/sunjce_provider.jar'
*sys-package-mgr*: can't write cache file for '/path/bea/jdk150_10/jre/lib/ext/sunpkcs11.jar'
*sys-package-mgr*: can't write cache file for '/path/bea/jdk150_10/jre/lib/ext/dnsns.jar'
*sys-package-mgr*: can't write cache file for '/path/bea/jdk150_10/jre/lib/ext/localedata.jar'
*sys-package-mgr*: can't write index file
Welcome to WebLogic Server Administration Scripting Shell

Type help() for help on available commands

wls:/offline>

 

1) We need to change the permissions of /var/tmp/wlstTemp directory content must be accessed by all users means to use "chmod 777"
or
2) we need to define the cache directory path using open for every user path as /tmp/wlstTemp

bash-3.00$  java -Dpython.cachedir=/tmp/wlstTemp weblogic.WLST