oracle 12.1 db alert日志显示(:GPNP01002:)Failed to open wallet file

有朋友问我她的db alert日志里经常有下面的错误信息有没有影响？ 是一套12.1.0.2 的oracle RAC环境， 错误信息如下：

Trace file /u01/app/oracle/diag/rdbms/anbob/anbob1/trace/anbob1_ora_29118.trc
Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Advanced Analytics and Real Application Testing options
ORACLE_HOME = /u01/app/oracle/product/12.1.0/db_1
System name:	Linux
Node name:	ccwlracnode01
Release:	3.8.13-68.3.4.el6uek.x86_64
Version:	#2 SMP Tue Jul 14 15:03:36 PDT 2015
Machine:	x86_64
Instance name: anbob1
Redo thread mounted by this instance: 1
Oracle process number: 115
Unix process pid: 29118, image: oracle@ccwlracnode01 (TNS V1-V3)

*** 2018-03-26 09:23:57.675
*** SESSION ID:(2397.39210) 2018-03-26 09:23:57.675
*** CLIENT ID:() 2018-03-26 09:23:57.675
*** SERVICE NAME:(SYS$USERS) 2018-03-26 09:23:57.675
*** MODULE NAME:(esfdaemon@ccwlracnode01 (TNS V1-V3)) 2018-03-26 09:23:57.675
*** CLIENT DRIVER:() 2018-03-26 09:23:57.675
*** ACTION NAME:() 2018-03-26 09:23:57.675
 
2018-03-26 09:23:57.674: [    GPNP]clsgpnpkwf_initwfloc: [at clsgpnpkwf.c:469] (:GPNP01002:)SlfFopen2
Internal Error Information: 
  Category: SLF_SYSTEM(-8)
  Operation: lstat failed
  Location: slsfopen3
  Other: 
  Dep: 13
  Dep Message: Permission denied
2018-03-26 09:23:57.675: [    GPNP]clsgpnpkwf_initwfloc: [at clsgpnpkwf.c:471] Result: (7) CLSGPNP_IO. (:GPNP01002:)Failed to open wallet file. dir 'peer' in '/u01/app/12.1.0/grid/gpnp/ccwlracnode01/wallets/', cannot check wallet home.
2018-03-26 09:23:57.675: [    GPNP]clsgpnpkwf_initwfloc: [at clsgpnpkwf.c:469] (:GPNP01002:)SlfFopen2
Internal Error Information: 
  Category: SLF_SYSTEM(-8)
  Operation: lstat failed
  Location: slsfopen3
  Other: 
  Dep: 13
  Dep Message: Permission denied

Note:
这是一个可以被忽略的提示信息， 只是当前版本中错误的提示“错误”信息， 已经确定为BUG 18893463 ，并在oracle 12.2 版本中修复。 当前的12.1 版本因影响较小未提供修复补丁，忽略即可。