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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hello,<o:p></o:p></p><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; We noticed an issue with a bunch of stale entries in the mysql location table recently &#8211; all for the same user. &nbsp;It turns out that if you install linphone 2.0.2 on an iOS device (other versions/platforms might also be affected) with the transport mode set to TCP and the &#8216;Push Notification&#8217; feature enabled, the client generates <u>very</u> long contact (258+ character) headers.&nbsp; The contact column in the location table is varchar(255), anything longer than this automatically gets truncated upon insert.&nbsp; When the entry later expires and usrloc tries to remove it, it generates a delete query that matches on the <u>entire</u> contact value and not the truncated version.&nbsp; This causes the delete query to fail and the usrloc record gets left behind in the location table.<o:p></o:p></p><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal>The (truncated) contact header value from the database:<o:p></o:p></p><p class=MsoNormal><span style='font-size:8.0pt'>sip:22448462@98.248.37.244:52008;transport=tcp;app-id=org.linphone.phone.prod;pn-type=apple;pn-tok=AA31DC9642E76E7D7DA8A0E419B210E1A00E8DF43A7A77C8CD2955291E1BAC85;pn-msg-str=IM_MSG;pn-call-str=IC_MSG;pn-call-snd=ring.caf;pn-msg-snd=msg.caf;line=<span style='color:red'>932257155</span><o:p></o:p></span></p><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal>The failed delete query:. <o:p></o:p></p><p class=MsoNormal><span style='font-size:8.0pt'>delete from location where username='XXXXXXXX' AND contact='sip:XXXXXXXX@11.22.333. 44:52000;transport=tcp;app-id=org.linphone.phone.prod;pn-type=apple;pn-tok=AA31DC9642E76E7D7DA8A0E419B210E1A00E8DF43A7A77C8CD2955291E1BAC85;pn-msg-str=IM_MSG;pn-call-str=IC_MSG;pn-call-snd=ring.caf;pn-msg-snd=msg.caf;line=<span style='color:red'>932257155<u>f64767</u>' </span>AND callid='1962857815';<o:p></o:p></span></p><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal>What do you all think the best solution here is?&nbsp; My intuition is to simply increase the size of this column.&nbsp; If this is the right approach then it probably also makes sense to update the .sql file for new installs.&nbsp; Thoughts?<o:p></o:p></p><p class=MsoNormal><o:p>&nbsp;</o:p></p><p class=MsoNormal>Thank you,<o:p></o:p></p><p class=MsoNormal>Ross<o:p></o:p></p></div></body></html>