Problems with Http-servlet : UTF-8

I am having some difficulty with UTF-8 encoded
chracaters in a Java servlet.
My servlet accepts an XML file conteining a question and returns an HTM page. The XML has cyrillic characters encoded as utf-8.. The rendering
servelt copes with this fine, and the HTML produced
displays OK in the browser (the response type on the
Java servelet has to be set to "text/html;
charset=UTF-8" for this to work).
I have to send cyrillic characters back in the
response to the question in a text field in the HTML form.The browser is
correctly sending back the byte stream (which I am
printing here as hex): d0b3d0bed180d0bed0b4 (this is a
cyrillic word correctly coded as utf-8).
However, on collecting the response (using
request.getParameterValues(fieldname)) the servlet
returns the byte stream: d0b3d0bed13fd0bed0b4.
A mistake in the fifth byte.
Can anyone help with this problem? Is there a known problem with the JAVA UTF-8 converter?
Regards
Graham

I now know the answer to this problem thanks to Bruno Van Haetsdaele .
Before calling request.getParameterValues(fieldname));
one should call request.setCharacterEncoding("UTF-8");
Hope that helps somebody else!

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I am facing a serious problem with stickyness in a e-commerce configuration.
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The login process uses SSL
During the login, backend SSL is required between the ACE and the selected Apache server
The login is a POST request to the Apache server
After a successful login, the home page is reloaded on port 80 and the name of the user should appear on the top of the page
The ACE configuration :
Two sticky groups are configured : one for HTTP acess and another for HTTPS access
Two server farms are defined, both using the same real servers, but with different ports (80 and 443)
In the ECOM_STICKY_TEST_HTTP stick group the two following cookies are automatically generated :
R105816849   for the server HQCHECOM01
R105852786   for the server HQCHECOM02
In the ECOM_STICKY_TEST_HTTPS stick group the two following cookies are automatically generated :
R355972695   for the server HQCHECOM01
R357158616   for the server HQCHECOM02
I statically configured in the each sticky group the cookies used by the other sticky group, to allow stickiness when the browser switches from HTTP to HTTPS and vice versa :
sticky http-cookie STICKED-TO ECOM_STICKY_TEST_HTTP
cookie insert browser-expire
timeout 240
replicate sticky
serverfarm ECOM_FARM_TEST_HTTP backup WEB_REDIRECT_001
56 static cookie-value "R355972695" rserver HQCHECOM01
64 static cookie-value "R357158616" rserver HQCHECOM02
sticky http-cookie STICKED-TO ECOM_STICKY_TEST_HTTPS
cookie insert browser-expire
timeout 240
replicate sticky
serverfarm ECOM_FARM_TEST_HTTPS backup WEB_REDIRECT_001
72 static cookie-value "R105816849" rserver HQCHECOM01
80 static cookie-value "R105852786" rserver HQCHECOM02
serverfarm host ECOM_FARM_TEST_HTTP
description *** e-Commerce Test Server Farm ***
probe ECOM_PROBE_TEST
rserver HQCHECOM01 80
   inservice
rserver HQCHECOM02 80
   inservice
serverfarm host ECOM_FARM_TEST_HTTPS
description *** e-Commerce Test Server Farm ***
probe ECOM_PROBE_TEST
rserver HQCHECOM01 443
   inservice
rserver HQCHECOM02 443
   inservice
The problem :
Let analyse the sequence of events and the value of the http cookie for each of them :
When the the home page is originally loaded, the ACE selects SERVER-1
The ACE inserts the cookie "A" in the server responses
The user is sticked to SERVER-1
Then, the user tries to login and an SSL session is established with the ACE
The user sends a POST request containing the cookie "A"
A backend SSL session is established with SERVER-1
The POST request is forwarded to SERVER-1
SERVER-1 responds with a 200 OK and the ACE generates another cookie "B" as it belongs to the sticky group ECOM_STICKY_TEST_HTTPS
The client browser reloads the page on port 80 and provides the cookie "B" (the last received)
The ACE sees the cookie "B" and should use the static cookie entry to select the SERVER-1
But instead, the ACE perform another load balancing decision and selects SERVER-2 !
The page is reloaded, but the name of the user does not appear on it
LiveHTTP Trace on Firefox :
GET /ecom/medias/sys_master/8800775602206/Home-page-main-banners-video.jpg HTTP/1.1
Host: ecom.test.toto.com
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.8) Gecko/20100202 (CK-IBM) Firefox/3.5.8
Accept: image/png,image/*;q=0.8,*/*;q=0.5
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Connection: keep-alive
Referer: http://ecom.test.toto.com/uk/en/home
Cookie: STICKED-TO=R105816849;
HTTP/1.1 200 OK
Set-Cookie: STICKED-TO=R105816849; path=/
Date: Mon, 18 Oct 2010 15:31:37 GMT
Server: Apache/2.2.13 (Red Hat)
Connection: close
Transfer-Encoding: chunked
Content-Type: image/jpeg
Here we switch on HTTPS :
https://ecom.test.toto.com/uk/en/j_spring_security_check
POST /uk/en/j_spring_security_check HTTP/1.1
Host: ecom.test.toto.com
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.8) Gecko/20100202 (CK-IBM) Firefox/3.5.8
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Connection: keep-alive
Referer: http://ecom.test.toto.com/uk/en/home
Cookie: STICKED-TO=R105816849; JSESSIONID=089DCF987DC03CAE0F516298EB886DAB.node1;
Content-Type: application/x-www-form-urlencoded
Content-Length: 75
spring-security-redirect=&j_username=yves144%40yahoo.com&j_password=junon01
Here we see cookie for the same server but for the HTTPS sticky group :
HTTP/1.1 302 Moved Temporarily
Set-Cookie: STICKED-TO=R355972695; path=/
Set-Cookie: _hybris.tenantID_=""; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; HttpOnly
Date: Mon, 18 Oct 2010 15:31:39 GMT
Server: Apache/2.2.13 (Red Hat)
Location: http://ecom.test.toto.com/uk/en/home
Content-Length: 0
Connection: close
Content-Type: text/plain; charset=UTF-8
Here we switch back to HTTP :
http://ecom.test.toto.com/uk/en/home
GET /uk/en/home HTTP/1.1
Host: ecom.test.toto.com
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.8) Gecko/20100202 (CK-IBM) Firefox/3.5.8
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Connection: keep-alive
Referer: http://ecom.test.toto.com/uk/en/home
Cookie: STICKED-TO=R355972695; JSESSIONID=089DCF987DC03CAE0F516298EB886DAB.node1;
Here we see that the second server has been wrongly selected !
HTTP/1.1 200 OK
Set-Cookie: STICKED-TO=R105852786; path=/
Set-Cookie: _hybris.tenantID_=""; Expires=Thu, 01-Jan-1970 00:00:10 GMT; Path=/; HttpOnly
Set-Cookie: JSESSIONID=5A0F6EB8FBF63D5D0590FECEC62A302E.node2; Path=/; HttpOnly
Date: Mon, 18 Oct 2010 15:31:40 GMT
Server: Apache/2.2.13 (Red Hat)
Pragma: no-cache
Expires: Thu, 01 Jan 1970 00:00:00 GMT
Cache-Control: no-cache, no-store
Content-Language: en-GB
Connection: close
Transfer-Encoding: chunked
Content-Type: text/html;charset=UTF-8
http://ecom.test.toto.com/ecom/medias/sys_master/8796174057502/uk.gif
GET /ecom/medias/sys_master/8796174057502/uk.gif HTTP/1.1
Host: ecom.test.toto.com
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.8) Gecko/20100202 (CK-IBM) Firefox/3.5.8
Accept: image/png,image/*;q=0.8,*/*;q=0.5
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Connection: keep-alive
Referer: http://ecom.test.toto.com/uk/en/home
Cookie: STICKED-TO=R105852786; JSESSIONID=5A0F6EB8FBF63D5D0590FECEC62A302E.node2;
HTTP/1.1 200 OK
Set-Cookie: STICKED-TO=R105852786; path=/
Date: Mon, 18 Oct 2010 15:31:40 GMT
Server: Apache/2.2.13 (Red Hat)
Content-Length: 382
Connection: close
Content-Type: image/gif
Hypothesis :
It seems that the static entries are not considered by the ACE...

Problem with https internet url for Portal

Hello ,
We are running EP 7 SP 13.
We had a problem with the j2ee engine going down due to a db problem .It is ok now and and j2ee is up and running fine and the portal is accessible from the intranet.
But there is a problem with the https url that we use for internet access. It gives "page cannot be displayed error".
There is a IISproxy in place for internet access.Https certificate has not expired. Couldnt find much in the portal logs and trace or am I looking in the wrong place?
Any help would be most appreciated.
Rgds

Hi Vineeth
Check the IIS settings, , they might not have started properly.
EP5: Enabling SSL and renewing the J2EE certificate
SAP Note Number: 685306
Can you check the contents of Keystore in Visual admin,
Regards
Kaleem
Edited by: Kaleem on Aug 19, 2008 2:11 PM

Problem with HTTP load balancing

Hello Experts
I have a problem when i do loadbalancing for links like http://1.1.1.1/site/home where 1.1.1.1 is the VIP address (i got http not found), while it is working fine when the link is http://1.1.1.1,
the link is working fine on the real servers for example when i try http://2.2.2.2/site/home it works
by the way, im not doing URL loadbalancing,
any ideas
Thank you in advance

It is generally good idea for this type of cases to get a sniffer trace (in ACE module span 10G backplane interface from supervisor or if ACE appliance take parallel span session of client and server vlan).
This case was investigated in TAC SR and this is a small summary of the traces that may help other users hitting this issue (usually it is good idea to filter by http and client IP) :
This is what we have seen for the non-working scenario.
Packet 1: Client sends HTTP GET to ACE VIP
Packet 2: ACE forwards HTTP GET to RSERVER
Packet 3: RSERVER answers ACE with HTTP 404
Packet 4: ACE forwards the real server response (HTTP 404) to the client
ACE was not changing anything in the packets that were being loadbalanced. And the HTTP 404 error sent from the server that ACE was forwarding indicates that the Web server thinks that the HTTP data stream sent by the client was correct, but simply can not provide the access to the resource specifief by URL.
Bottom line it was found that in this case the server behaves in a different way based on the hostname used to connect to the application, and this should be addressed on the application/server side. An easy way to check this is by using the server name pointing to the vip in local client hostfile.

InDesign problem With Https cURL Seems Very Slow at first time to handshaking to server

I am trying to connect the server using cURL from Indesign, but when i am trying to call to server the indesign takes so much time to open and initialize the socket it takes 25 seconds at first time only, but On all subsequent calls it is fast,
*but when i am tryid that same programe with an c++ empty project it is very fast in 2 second we get a result back,
*So the Problem With Indesign Socket initialization using https at first time because i have tryid same Curl On Simple c++ program and it is fast at all calls
Specification:
I am Currently using
     Indesign cs7 version 9.0
     visual studio 2010
Can Anyone tell me why It happens,
my code snippet is as follows please try to find if anyone knows better.
         curl_global_init(CURL_GLOBAL_ALL);
          curl = curl_easy_init();
         struct data config;
      config.trace_ascii = 1; /* enable ascii tracing */
      struct curl_slist *chunk = NULL;
         curl_slist_append( chunk, "Content-Type: application/json");
      curl = curl_easy_init();
      struct AppMemoryStruct chunk1;
         chunk1.memory = (char *)malloc(1); /* will be grown as needed by the realloc above */
         chunk1.size = 0;    /* no data at this point */
       if(curl) {
             curl_easy_setopt(curl, CURLOPT_URL, url.GetPlatformString().c_str());
             curl_easy_setopt(curl,CURLOPT_SSLCERTTYPE,"PEM");
             curl_easy_setopt(curl, CURLOPT_SSLCERT, "C:\\test\\omg.aps.net.pem");
             curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, FALSE);
          curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 2);
             curl_easy_setopt(curl,CURLOPT_KEYPASSWD,"");
             char error[1024];
             curl_easy_setopt ( curl, CURLOPT_ERRORBUFFER, error );
       /* send all data to this function */
             curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, &AppWriteMemoryCallback);
      /* we pass our 'chunk' struct to the callback function */
             curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&chunk1);
      /* some servers don't like requests that are made without a user-agent
          field, so we provide one */
             //curl_easy_setopt(curl, CURLOPT_USERAGENT, "libcurl-agent/1.0");
             //curl_easy_setopt(curl, CURLOPT_HTTPHEADER, chunk);
             //curl_easy_setopt(curl, CURLOPT_HTTPGET,1);
     //heres the performance get down its around 25 seconds when i am calling The server Using Curl Object Having
     //https url
          res = curl_easy_perform(curl);
    // till here
             if(CURLE_OK != res)
                 errorCode = kFalse;
                 if(chunk1.memory)
                     free(chunk1.memory);
                  curl_easy_cleanup(curl);
               return errorCode;
             errorCode = kTrue;
             if(chunk1.memory)
                 returndata.SetCString(chunk1.memory);
                 free(chunk1.memory);
           /* always cleanup */
         curl_easy_cleanup(curl);curl_global_init(CURL_GLOBAL_ALL);
      please try to find a key issue why the performance is very bad using https.
Thanks,

I was tempted to move this over to the InDesign SDK forum where there are coders, but there isn't a lot of traffic over there, so I'm going to leave this open here with the advice that you probably won't get an answer from anyone here becasue we are, for the most part, not folks who work with code beyond scripting (and very few scripters hang out here, either).
You should cross-post over there yourself and hope someone who understnds the qusetion sees it in one place or the other.

Sneak Preview ABAP 2004s: Problem with HTTP-Server

Hi..
I have just installed the sneak preview.
Everything works well.
But there is a problem with the webdynpro
for abap. When i try to start the example
i become a message: "Windows can not find
://:/sap/bc/webdynpro/sap/wdt_quiz ....... "
This error is from the HTTP options.
In transaction SMMS over extert functiuns->http->display
the parameter http_status_code is -1.
Can anyone help me what i can do?

when you go into transaction SMICM->go to ->services you should atleast see one entry for HTTP
it will be something like below.
No. Protocol Service Name/Port Host Name Keep Alive Acti External Bind
1 HTTP 1081 xxxx.domain.com 30
i dont think that for this reason , you have to go for a reinstall, i am sure some config is missing.
Regards
Raja

Problem with https

I used Firefox for a long time with no problems. I never played with the internal settings (from about:config). One day, with version 21, I found out that every time I do a image search in Google, I could see only 15 to 20 pics correctly and all the others appeared as grey boxes. I deleted cookies and cache but nothing changed. I tried to find a solution and in a Mozilla’s forum was said to reset Firefox from “Troubleshooting Information” menu. I did it and the problem disappeared. Then, another, worse problem, appeared. All sites were tried to get opened with https in front and in all cases Firefox was telling me that the connection is untrusted and can’t confirm that my connection is secure. I was selecting “I understand the risks” and the site was appeared but it was altered, it hadn’t the look that it should have. I did a google search to find a solution. Nothing really helpful came up. In your forum I found a setting, “browser.urlbar.autoFill” that should be turned to false. I did it and the problem was fixed is some pages. Now I can open google and some other pages with no problem but some others, like yahoo mail, that require secure connection (https) cannot get accessed. I tried to uninstall Firefox using Revo Uninstaller, to be sure that all data will be deleted. I reinstalled Firefox but the problem still exists. I uninstalled Firefox again and downloaded and installed version 22 beta 3 of Firefox with the same luck. So, what’s wrong? What should I do?

Check out why the site is untrusted (click "Technical Details to expand that section) and if this is caused by a missing intermediate certificate then see if you can install this intermediate certificate from another source.
You can retrieve the certificate and check details like who issued certificates and expiration dates of certificates.
*Click the link at the bottom of the error page: "I Understand the Risks"
Let Firefox retrieve the certificate: "Add Exception" -> "Get Certificate".
*Click the "View..." button and inspect the certificate and check who is the issuer.
You can see more Details like intermediate certificates that are used in the Details pane.
If "I Understand the Risks" is missing then this page may be opened in an (i)frame and in that case try the right-click context menu and use "This Frame: Open Frame in New Tab".
Some firewalls monitor secure (https) connections and send their own certificate instead of the website's certificate.
*ESET setup -> advanced setup -> extend web and email tree -> SSL
*SSL protocol: Do not scan SSL protocol

Problem with http - serverlet interaction?

Hi. I'm having a bit of problem with a HttpURLConnection.
First of all, this isn't something I'm especially knowledgeable in, so..
Basically, I'm requesting a page that carries a token used for validating a form submission to prevent multiple posts. However, when I try to request said page, I get an internal server error. The same happens if I try to type the URL into my browser; the page only loads properly if I go to it via a link. However, checking the source of the page with the link shows nothing special about it, which has me a little confused. I tried making a new page and linking to the page I'm trying to load, and it loaded fine, so it seems that it will load as long as it was accessed by clicking a link.
I'm assuming this problem has to do with the serverlet needing to generate a token for the session, but since I'm requesting it from a HttpURLConnection, it's not able to get the token. I've been trying to think of a way around it, but I've got nothing.
Can anybody give me a hand here? Thanks.

You are looking for the mouseEnabled property.
So, for instance, where image is the instance name of the image on the border:
image.mouseEnabled = false;

Problem with https WSDL locations

I am trying to import WSDL with https in the PartnerLink and get errors saying can't recognize the WSDL. WSDL locations with http work fine.
Both the WSDLs used to work fine before the network upgrade.
I had to tweak the obsetenv.bat for the proxy server setting as detailed in the TechNote #3 to get the http WSDL to work. Is there something else I should do for https ?
Thanks

yes you need to configre the jvm for jdev/and later bpel with the keystore and certificate ..
if you want to have it easier - use your browser, download the wsdl and save it locally .. into the project ..
for the runtime, you will still need to add the certificate into the keystore of the jvm used..
hth clemens

Problem with a Servlet - URGENT help

Hello
i really need your help. here i uploaded my web project: http://www.2shared.com/file/4450238/aaa4d9cd/JMSTest.html
it's about 2 servlets, one Test servlet sending a message, and another one, Receiver, to receive the message sent via JMS (i use ActiveMQ)
i didn't know what's wrong, if i call http://localhost:8080/JMSTest , then i enter something into that textfield, then i press the button(form action is http://localhost:8080/test ). it writes that "Mesaj trimis" (message sent - written by me in Romanian), and when i call http://localhost:8080/receiver i did not receive the message. Why?
I use queue, so i think the send message is stored in a queue until a receiver receives it.
Please download the project, isn't complicated.
I did not know what's the problem.
here is the server.xml file from Tomcat conf folder:
<?xml version="1.0" encoding="UTF-8"?>
<Server port="8005" shutdown="SHUTDOWN">
<Listener className="org.apache.catalina.mbeans.ServerLifecycleListener"/>
<Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener"/>

<GlobalNamingResources>
    
    <Resource auth="Container" description="User database that can be updated and saved" factory="org.apache.catalina.users.MemoryUserDatabaseFactory" name="UserDatabase" pathname="conf/tomcat-users.xml" type="org.apache.catalina.UserDatabase"/>
</GlobalNamingResources>
<Service name="Catalina">
    <Connector connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443"/>
    <Connector port="8009" protocol="AJP/1.3" redirectPort="8443"/>
    <Engine defaultHost="localhost" name="Catalina">
      <Realm className="org.apache.catalina.realm.UserDatabaseRealm" resourceName="UserDatabase"/>
      
      <Host appBase="webapps" autoDeploy="true" name="localhost" unpackWARs="true" xmlNamespaceAware="false" xmlValidation="false">
        
        
        
        
       <Context path="/JMSTest" docBase="JMSTest"
        debug="5" reloadable="true" crossContext="true">
    <Resource name="jms/ConnectionFactory" auth="Container"
                 type="org.apache.activemq.ActiveMQConnectionFactory"
                 description="JMS Connection Factory"
                 factory="org.apache.activemq.jndi.JNDIReferenceFactory"
                 brokerURL="vm://localhost"
                 brokerName="LocalActiveMQBroker"
                 userName="activemq" password="activemq"
                 useEmbeddedBroker="false"
                 clientID="TomcatClientID" />
    <Resource name="jms/myQueue" auth="Container"
                 type="org.apache.activemq.command.ActiveMQQueue"
                 description="JMS Queue"
                 factory="org.apache.activemq.jndi.JNDIReferenceFactory"
                 physicalName="TEST.FOO" />
    <Resource name="jms/myTopic" auth="Container"
                 type="org.apache.activemq.command.ActiveMQTopic"
                 description="JMS Topic"
                 factory="org.apache.activemq.jndi.JNDIReferenceFactory"
                 physicalName="TEST.BAR"/>
</Context>
       </Host>
    </Engine>
</Service>
</Server>or, how should i do this, but using Sun Message Queue? my way is using Apache MQ
Thanks
Edited by: Talkabout on Dec 13, 2008 7:15 AM

I didn't go all through your code, but I'd say you should make sure that the Receiver servlet is up and running BEFORE your access the Sender servlet.

PathInfo Problem with unregisterd servlets!

Hi!
          When accessing unregistered servlets (with the ServletServlet), the
          pathinfo is not correct in WL 5.1.
          With BETA 2 this problem didn't exist.
          The falling call is made:
          registered:
          http://server/com.servlet.TestServlet/0/frame/test
          -> PathInfo: /0/frame/test
          ServletServlet:
          http://server/servlet/com.servlet.TestServlet/0/frame/test
          -> PathInfo: /com.servlet.TestServlet/0/frame/test
          When will this bug be fixed?
          Dipl. Ing. Alexander Sommer
          Software Development Manager
          http://www.TIScover.com
          TIS
          Tourismus Informations Systeme GmbH
          Softwarepark Hagenberg, Hauptstr. 99
          A-4232 Hagenberg, Austria
          Tel: +43(7236)3343-777
          Fax: +43(7236)3343-782
          e-mail: [email protected]


There is a 'major' difference in the Web server provided in Jdev 3.2.3 and Jdev 9i. The Jdev 3.2.3 web server is a simple 'tes server' ( a light version of WebToGo) to allow for running servlets and JSP pages. In Jdev 9i, we use OC4J which is a J2EE application server for WEB and EJB applications. The Jdev 9i server configuration information cannot be used in Jdev 3.2.3. I dont recommend developing under JDev 9i and running inde Jdev 3.2.3. Since Jdev 9i is now released, I highly recommend that you move up to this release.

Problem with http, can you help me about this exception(JSPX)?

Somwone could tell me what's this http error when i try to get data from jspx aplication?
HTTP Status 500 -
exception
javax.servlet.ServletException: Problem accessing the absolute URL "http://localhost:8080/livros/people.jspx". java.io.IOException: Server returned HTTP response code: 500 for URL: http://localhost:8080/livros/people.jspx
     org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:827)
     org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:763)
     org.apache.jsp.Resposta_jsp._jspService(Resposta_jsp.java:95)
     org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:105)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:860)
     org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:336)
     org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
     org.apache.jasper.servlet.JspServlet.service(JspServlet.java:251)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:860)
     sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     java.lang.reflect.Method.invoke(Method.java:585)
     org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:249)
     java.security.AccessController.doPrivileged(Native Method)
     javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
     org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:282)
     org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:165)
root cause
java.io.IOException: Server returned HTTP response code: 500 for URL: http://localhost:8080/livros/people.jspx
     sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1133)
     org.apache.taglibs.standard.tag.common.core.ImportSupport.acquireReader(ImportSupport.java:331)
     org.apache.taglibs.standard.tag.common.core.ImportSupport.acquireString(ImportSupport.java:241)
     org.apache.taglibs.standard.tag.common.core.ImportSupport.doEndTag(ImportSupport.java:158)
     org.apache.jsp.Resposta_jsp._jspx_meth_c_import_0(Resposta_jsp.java:115)
     org.apache.jsp.Resposta_jsp._jspService(Resposta_jsp.java:68)
     org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:105)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:860)
     org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:336)
     org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
     org.apache.jasper.servlet.JspServlet.service(JspServlet.java:251)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:860)
     sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     java.lang.reflect.Method.invoke(Method.java:585)
     org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:249)
     java.security.AccessController.doPrivileged(Native Method)
     javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
     org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:282)
     org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:165)

Hi
Please try looking at following lines.
org.apache.jsp.Resposta_jsp._jspx_meth_c_import_0(Resposta_jsp.java:115)
     org.apache.jsp.Resposta_jsp._jspService(Resposta_jsp.java:68)
and
org.apache.jsp.Resposta_jsp._jspService(Resposta_jsp.java:95)
This is in generated servlet file. Then try to find out in your JSP.
HTTP Status 500 indicates an internal server error.
HTH
VJ

Problems with Http-servlet : UTF-8

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