后台拿JSON的时候LOG报错

Question

第一次执行JSONArray jsonArray = JSONArray.fromObject(List); 的时候，
出了LOG如下。
Current policy properties:
mmc.sess_pe_act.block_unsigned: false
window.num_max: 5
jscan.sess_applet_act.sig_trusted: pass
jscan.sess_applet_act.block_all: false
file.destructive.state: disabled
window.num_limited: true
jscan.sess_applet_act.unsigned: instrument
mmc.sess_pe_act.action: allowall
jscan.session.daemon_protocol: http
file.read.state: disabled
mmc.sess_pe_act.block_invalid: true
mmc.sess_pe_act.block_blacklisted: false
jscan.session.policyname: QXBwbGV0L0FjdGl2ZVggU2VjdXJpdHkgR2xvYmFsIFBvbGljeSA=
net.bind_enable: false
mmc.sess_cab_act.block_unsigned: false
file.nondestructive.state: disabled
jscan.session.origin_uri: http://jaist.dl.sourceforge.net/project/json-lib/json-lib/json-lib-2.4/json-lib-2.4-jdk15.jar
mmc.sess_cab_act.action: allowall
net.connect_other: false
jscan.session.user_ipaddr: 10.39.4.41
jscan.sess_applet_act.sig_invalid: block
thread.thread_num_max: 8
mmc.sess_cab_act.block_invalid: true
jscan.sess_applet_act.sig_blacklisted: block
net.connect_src: true
thread.thread_num_limited: true
jscan.sess_applet_act.stub_out_blocked_applet: true
mmc.sess_cab_act.block_blacklisted: true
mmc.sess_pe_act.enforce_for_com_objects_only: false
jscan.session.user_name: MTAuMzkuNC40MQ==
thread.threadgroup_create: false
file.write.state: disabled
之后，JSON也正常拿到了，然后无论怎么跑，都不会再报错，唯独第一次报错了。服务器用的是RESIN。IMART框架。

Answer 1

正常。有的时候有缓存。所以报错。缓存没了就正常了。