zabbix proxy from version 6.4.2 to 6.4.8; web scenario failed
Good morning, I encountered an unusual problem updating a zabbix proxy from version 6.4.2 to 6.4.8; a web scenario configured for some time without problems began to go on the required pattern. The error seems to be due to some characters present on the page not properly encoded in UTF-8 that crash the parsing of the html output. The same web scenario monitored with a 6.4.2 proxy does not cause any problems. The error is generated only when the switch from proxy 6.4.2 to 6.4.8 is made; vice versa, the alarm re-enters. Is anyone aware of a bug in 6.4.8 that could cause this abnormal behavior?
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Check the Server and Proxy logs. See if you can find any related error. -
I've increased html poller log verbosity and i found only the following error:
15516:20231110:173316.305 zbx_setproctitle() title:'http poller #7 [got 0 values in 0.020254 sec, idle 1 sec]'
15513:20231110:173316.308 process_httptest() page.data from http://xxxxxx.xxxxxxxxx.xxx:8080/xxx....jsp:'HTTP/1.1 200
Cache-Control: no-cache, no-store, max-age=0, must-revalidate
Pragma: no-cache
Expires: 0
X-XSS-Protection: 1; mode=block
X-Frame-Options: DENY
X-Content-Type-Options: nosniff
Set-Cookie: JSESSIONID=6FA40357BBD28450F63ECDC4913AF1F0; Path=/4Price; HttpOnly
Content-Type: text/html;charset=ISO-8859-1
Transfer-Encoding: chunked
Date: Fri, 10 Nov 2023 16:37:09 GMT
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<link rel="stylesheet" type="text/css" href="resources/css/login.css" />
<title>Login</title>
</head>
<body>
#################OMISSIS################
<td class="messages" align="center">
<font color="red" size="4" >
<b><u>Attivit<E0> di manutenzione</u></b>
</font>
</td>
</tr>
<tr>
<td class="messages" align="left">
<font color="black" size="3">Nella giornata del 13/11/2023 dalle ore 13:00 alle ore 14:00 il sistema non sar<E0> disponibile per attivit<E0> di manutenzione straordinaria.</font>
</td>
</tr>
#################OMISSIS################
15577:20231110:173316.310 zbx_setproctitle() title:'http poller #49 [got 0 values in 0.018920 sec, getting values]'
15577:20231110:173316.312 In process_httptests()
15577:20231110:173316.313 End of process_httptests()
15577:20231110:173316.314 zbx_setproctitle() title:'http poller #49 [got 0 values in 0.030325 sec, idle 1 sec]'
15522:20231110:173316.316 zbx_setproctitle() title:'http poller #11 [got 0 values in 0.012620 sec, getting values]'
15522:20231110:173316.317 In process_httptests()
15522:20231110:173316.318 End of process_httptests()
15522:20231110:173316.319 zbx_setproctitle() title:'http poller #11 [got 0 values in 0.048574 sec, idle 1 sec]'
15567:20231110:173316.321 In process_httptests()
15567:20231110:173316.324 End of process_httptests()
15513:20231110:173316.326 In zbx_int_in_list() list:'200' value:200
15513:20231110:173316.329 End of zbx_int_in_list():SUCCEED
15513:20231110:173316.331 In process_step_data() rspcode:200 time:0.006287 speed:2479000
15513:20231110:173316.332 query [txnlev:0] [select type,itemid from httpstepitem where httpstepid=16]
15567:20231110:173316.333 zbx_setproctitle() title:'http poller #42 [got 0 values in 0.073825 sec, idle 1 sec]'
15547:20231110:173316.336 zbx_setproctitle() title:'http poller #28 [got 0 values in 0.025433 sec, getting values]'
15547:20231110:173316.338 In process_httptests()
15547:20231110:173316.340 End of process_httptests()
15547:20231110:173316.342 zbx_setproctitle() title:'http poller #28 [got 0 values in 0.100356 sec, idle 1 sec]'
15513:20231110:173316.344 In zbx_preprocess_item_value()
15513:20231110:173316.345 End of zbx_preprocess_item_value()
15513:20231110:173316.346 In zbx_preprocess_item_value()
15513:20231110:173316.347 End of zbx_preprocess_item_value()
15513:20231110:173316.348 In zbx_preprocess_item_value()
15513:20231110:173316.349 End of zbx_preprocess_item_value()
15513:20231110:173316.350 End of process_step_data()
15513:20231110:173316.351 cannot process step "XXXXXXXXXXXXXX_{HOSTNAME}" of web scenario "XXXXXXXXXXXXXX_{HOSTNAME}" on host "xxxxxxxx": required pattern "Password" was not found on http://xxxxxx.xxxxxxxxx.xxx:8080/xxxxx/login.jsp
15513:20231110:173316.352 In process_test_data()
15513:20231110:173316.353 query [txnlev:0] [select type,itemid from httptestitem where httptestid=16]
15513:20231110:173316.354 In zbx_preprocess_item_value()
15513:20231110:173316.355 End of zbx_preprocess_item_value()
15513:20231110:173316.355 In zbx_preprocess_item_value()
15513:20231110:173316.356 End of zbx_preprocess_item_value()
15513:20231110:173316.357 In zbx_preprocess_item_value()
15513:20231110:173316.358 End of zbx_preprocess_item_value()
15513:20231110:173316.359 End of process_test_data()
15513:20231110:173316.360 In zbx_ipc_socket_write()
15513:20231110:173316.360 End of zbx_ipc_socket_write():SUCCEED
15513:20231110:173316.361 End of process_httptest()
15513:20231110:173316.362 End of process_httptests()
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Configuring a Zabbix Item with http agent referring to the same url, we encountered the following error:- Server returned invalid UTF-8 sequence
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