Duvida POST
Galera é o seguinte estou montando um midlet que acessa um servlet, ele funciona corretamente, o problema surge no momento em que mudo a forma de transmissão de GET para POST, segue abaixo os codigos.
MIDLET
Método utilizado GET ´FUNCIONA CORRETAMENTE´
Método utilizado POST ´C/ PROBLEMAS´
SERVLET
O erro ocorre na linha 22 do SERVLET, no momento em que a variavel metodo na servlet recebe o parametro ´metodo´ passado, caso ele for passado por GET esta variavel recebe o parametro sem problemas, mas se foi passado pelo metodo POST, no momento que a variavel recebe o parametro a servlet fecha e exibe uma mensagem de erro ´Internal servlet error´, assim nada é retornado para a midlet, creio que o problema esta na passagem dos dados pelo modo POST pela midlet caso seja isso como resolver?
Quando executo a servlet na saida tenho as seguintes mensagens
Alguem pode me confirma o código e me dar uma dica? Obrigado!!!!
MIDLET
Método utilizado GET ´FUNCIONA CORRETAMENTE´
private void verifica_Login() throws IOException {
String url = "http://localhost:8084/RKAM_ServLet/ServLet?";
url = url + "login=" + loginScreen.getUsername() + "&senha=" + loginScreen.getPassword() + "&metodo=LOGIN";
//String url = "http://localhost:8084/RKAM_ServLet/ServLet";
HttpConnection http = null;
//OutputStream out = http.openOutputStream();//enviar dados
InputStream in = null;
try {
http = (HttpConnection) Connector.open(url);
http.setRequestMethod(HttpConnection.GET);
/*http.setRequestMethod(HttpConnection.POST);
http.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
//http.setRequestProperty("Conexão", "close");
String teste;
byte dados[] = ("login=" + loginScreen.getUsername()).getBytes();
teste=new String(dados);
out.write(dados);
dados = ("&senha=" + loginScreen.getPassword()).getBytes();
teste=teste+new String(dados);
out.write(dados);
dados = ("&metodo=LOGIN").getBytes();
teste=teste+new String(dados);
out.write(dados);
out.flush();*/
//--------------TRATAR RESPOSTA DO SERVLET----------------------
in =http.openInputStream();//pegar resposta
if (http.getResponseCode() == HttpConnection.HTTP_OK) {
int length = (int) http.getLength();
String str;
if (length != -1) {//tamanho da resposta conhecido
byte data[] = new byte[length];
in.read(data);
str =
new String(data);
} else {//tamanho não conhecido, deve ser pegar bit por bit até chegar ao final
ByteArrayOutputStream aux = new ByteArrayOutputStream();
int ch;
while ((ch = in.read()) != -1) {
aux.write(ch);
}
str = new String(aux.toByteArray());
aux.close();
}
if (str.equals("TRUE")) {
set_boo(true);
} else {
set_boo(false);
}
} else {
System.out.println(http.getResponseMessage());
}
in.close();
http.close();
} catch (IOException e) {
}
}
private void verifica_Login() throws IOException {
String url = "http://localhost:8084/RKAM_ServLet/ServLet?";
url = url + "login=" + loginScreen.getUsername() + "&senha=" + loginScreen.getPassword() + "&metodo=LOGIN";
//String url = "http://localhost:8084/RKAM_ServLet/ServLet";
HttpConnection http = null;
//OutputStream out = http.openOutputStream();//enviar dados
InputStream in = null;
try {
http = (HttpConnection) Connector.open(url);
http.setRequestMethod(HttpConnection.GET);
/*http.setRequestMethod(HttpConnection.POST);
http.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
//http.setRequestProperty("Conexão", "close");
String teste;
byte dados[] = ("login=" + loginScreen.getUsername()).getBytes();
teste=new String(dados);
out.write(dados);
dados = ("&senha=" + loginScreen.getPassword()).getBytes();
teste=teste+new String(dados);
out.write(dados);
dados = ("&metodo=LOGIN").getBytes();
teste=teste+new String(dados);
out.write(dados);
out.flush();*/
//--------------TRATAR RESPOSTA DO SERVLET----------------------
in =http.openInputStream();//pegar resposta
if (http.getResponseCode() == HttpConnection.HTTP_OK) {
int length = (int) http.getLength();
String str;
if (length != -1) {//tamanho da resposta conhecido
byte data[] = new byte[length];
in.read(data);
str =
new String(data);
} else {//tamanho não conhecido, deve ser pegar bit por bit até chegar ao final
ByteArrayOutputStream aux = new ByteArrayOutputStream();
int ch;
while ((ch = in.read()) != -1) {
aux.write(ch);
}
str = new String(aux.toByteArray());
aux.close();
}
if (str.equals("TRUE")) {
set_boo(true);
} else {
set_boo(false);
}
} else {
System.out.println(http.getResponseMessage());
}
in.close();
http.close();
} catch (IOException e) {
}
}
Método utilizado POST ´C/ PROBLEMAS´
private void verifica_Login() throws IOException {
//String url = "http://localhost:8084/RKAM_ServLet/ServLet?";
//url = url + "login=" + loginScreen.getUsername() + "&senha=" + loginScreen.getPassword() + "&metodo=LOGIN";
String url = "http://localhost:8084/RKAM_ServLet/ServLet";
HttpConnection http = null;
InputStream in = null;
try {
http = (HttpConnection) Connector.open(url);
// http.setRequestMethod(HttpConnection.GET);
http.setRequestMethod(HttpConnection.POST);
http.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
//http.setRequestProperty("Conexão", "close");
OutputStream out = http.openOutputStream();//enviar dados
String teste;
byte dados[] = ("login=" + loginScreen.getUsername()).getBytes();
teste=new String(dados);
out.write(dados);
dados = ("&senha=" + loginScreen.getPassword()).getBytes();
teste=teste+new String(dados);
out.write(dados);
dados = ("&metodo=LOGIN").getBytes();
teste=teste+new String(dados);
out.write(dados);
out.flush();
//--------------TRATAR RESPOSTA DO SERVLET----------------------
in =http.openInputStream();//pegar resposta
if (http.getResponseCode() == HttpConnection.HTTP_OK) {
int length = (int) http.getLength();
String str;
if (length != -1) {//tamanho da resposta conhecido
byte data[] = new byte[length];
in.read(data);
str =
new String(data);
} else {//tamanho não conhecido, deve ser pegar bit por bit até chegar ao final
ByteArrayOutputStream aux = new ByteArrayOutputStream();
int ch;
while ((ch = in.read()) != -1) {
aux.write(ch);
}
str = new String(aux.toByteArray());
aux.close();
}
if (str.equals("TRUE")) {
set_boo(true);
} else {
set_boo(false);
}
} else {
System.out.println(http.getResponseMessage());
}
in.close();
http.close();
} catch (IOException e) {
}
}
private void verifica_Login() throws IOException {
//String url = "http://localhost:8084/RKAM_ServLet/ServLet?";
//url = url + "login=" + loginScreen.getUsername() + "&senha=" + loginScreen.getPassword() + "&metodo=LOGIN";
String url = "http://localhost:8084/RKAM_ServLet/ServLet";
HttpConnection http = null;
InputStream in = null;
try {
http = (HttpConnection) Connector.open(url);
// http.setRequestMethod(HttpConnection.GET);
http.setRequestMethod(HttpConnection.POST);
http.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
//http.setRequestProperty("Conexão", "close");
OutputStream out = http.openOutputStream();//enviar dados
String teste;
byte dados[] = ("login=" + loginScreen.getUsername()).getBytes();
teste=new String(dados);
out.write(dados);
dados = ("&senha=" + loginScreen.getPassword()).getBytes();
teste=teste+new String(dados);
out.write(dados);
dados = ("&metodo=LOGIN").getBytes();
teste=teste+new String(dados);
out.write(dados);
out.flush();
//--------------TRATAR RESPOSTA DO SERVLET----------------------
in =http.openInputStream();//pegar resposta
if (http.getResponseCode() == HttpConnection.HTTP_OK) {
int length = (int) http.getLength();
String str;
if (length != -1) {//tamanho da resposta conhecido
byte data[] = new byte[length];
in.read(data);
str =
new String(data);
} else {//tamanho não conhecido, deve ser pegar bit por bit até chegar ao final
ByteArrayOutputStream aux = new ByteArrayOutputStream();
int ch;
while ((ch = in.read()) != -1) {
aux.write(ch);
}
str = new String(aux.toByteArray());
aux.close();
}
if (str.equals("TRUE")) {
set_boo(true);
} else {
set_boo(false);
}
} else {
System.out.println(http.getResponseMessage());
}
in.close();
http.close();
} catch (IOException e) {
}
}
SERVLET
public class ServLet extends HttpServlet {
private Connection c;
String metodo;
public void init() {
conectar();
}
public void destroy() {
desconectar();
}
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
this.doPost(request, response);
}
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
metodo = request.getParameter("metodo").toUpperCase();
if (metodo.equals("LOGIN"))//login
{
login(request, response);
}
if (metodo.equals("CONSULTA")) {
consulta(request, response);
}
}
private void login(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
try {
String senha = request.getParameter("senha").toUpperCase();
String login = request.getParameter("login").toUpperCase();
//conectar();
ResultSet res = consultar("select * from login where login=´" + login + "´ and senha=´" + senha + "´");
response.setContentType("text/plain");
PrintWriter out = response.getWriter();
boolean aux = true;
while (res.next()) {
out.print("TRUE");
aux = false;
}
if (aux) {
out.print("FALSE");
}
out.close();
//desconectar();
} catch (SQLException ex) {
Logger.getLogger(ServLet.class.getName()).log(Level.SEVERE, null, ex);
}
}
public class ServLet extends HttpServlet {
private Connection c;
String metodo;
public void init() {
conectar();
}
public void destroy() {
desconectar();
}
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
this.doPost(request, response);
}
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
metodo = request.getParameter("metodo").toUpperCase();
if (metodo.equals("LOGIN"))//login
{
login(request, response);
}
if (metodo.equals("CONSULTA")) {
consulta(request, response);
}
}
private void login(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
try {
String senha = request.getParameter("senha").toUpperCase();
String login = request.getParameter("login").toUpperCase();
//conectar();
ResultSet res = consultar("select * from login where login=´" + login + "´ and senha=´" + senha + "´");
response.setContentType("text/plain");
PrintWriter out = response.getWriter();
boolean aux = true;
while (res.next()) {
out.print("TRUE");
aux = false;
}
if (aux) {
out.print("FALSE");
}
out.close();
//desconectar();
} catch (SQLException ex) {
Logger.getLogger(ServLet.class.getName()).log(Level.SEVERE, null, ex);
}
}
O erro ocorre na linha 22 do SERVLET, no momento em que a variavel metodo na servlet recebe o parametro ´metodo´ passado, caso ele for passado por GET esta variavel recebe o parametro sem problemas, mas se foi passado pelo metodo POST, no momento que a variavel recebe o parametro a servlet fecha e exibe uma mensagem de erro ´Internal servlet error´, assim nada é retornado para a midlet, creio que o problema esta na passagem dos dados pelo modo POST pela midlet caso seja isso como resolver?
Quando executo a servlet na saida tenho as seguintes mensagens
Using CATALINA_BASE: C:\Documents and Settings\Administrador\.netbeans\6.0\apache-tomcat-6.0.14_base
Using CATALINA_HOME: C:\Arquivos de programas\Apache Software Foundation\Apache Tomcat 6.0.14
Using CATALINA_TMPDIR: C:\Documents and Settings\Administrador\.netbeans\6.0\apache-tomcat-6.0.14_base\temp
Using JRE_HOME: C:\Arquivos de programas\Java\jdk1.6.0_02
Listening for transport dt_shmem at address: tomcat_shared_memory_id
19/03/2008 17:50:41 org.apache.catalina.core.AprLifecycleListener init
INFO: The Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Arquivos de programas\Java\jdk1.6.0_02\bin;.;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\oraclexe\app\oracle\product\10.2.0\server\bin;C:\ARQUIV~1\Borland\Delphi5\Projects\Bpl;C:\ARQUIV~1\Borland\vbroker\jre\Bin;C:\ARQUIV~1\Borland\vbroker\Bin;C:\ARQUIV~1\Borland\Delphi5\Bin;C:\ARQUIV~1\Borland\CBUILD~1\Projects\Bpl;C:\ARQUIV~1\Borland\CBUILD~1\Bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;c:\Arquivos de programas\Microsoft SQL Server\90\Tools\binn\;C:\Arquivos de programas\SSH Communications Security\SSH Secure Shell;C:\Arquivos de programas\Arquivos comuns\Ahead\Lib\
19/03/2008 17:50:41 org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-8084
19/03/2008 17:50:41 org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 653 ms
19/03/2008 17:50:41 org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
19/03/2008 17:50:41 org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.14
19/03/2008 17:50:42 com.sun.faces.config.ConfigureListener contextInitialized
INFO: Initializing Sun´s JavaServer Faces implementation (1.2_04-b10-p01) for context ´/JJLocadora6´
19/03/2008 17:50:43 org.apache.catalina.core.StandardContext resourcesStart
SEVERE: Error starting static Resources
java.lang.IllegalArgumentException: Document base C:\Documents and Settings\Administrador\Meus documentos\NetBeansProjects\teste\build\web does not exist or is not a readable directory
at org.apache.naming.resources.FileDirContext.setDocBase(FileDirContext.java:141)
at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:3944)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4113)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:626)
at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:553)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:488)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:516)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:566)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
19/03/2008 17:50:43 org.apache.catalina.core.StandardContext start
SEVERE: Error in resourceStart()
19/03/2008 17:50:43 org.apache.catalina.core.StandardContext start
SEVERE: Error getConfigured
19/03/2008 17:50:43 org.apache.catalina.core.StandardContext start
SEVERE: Context [/teste] startup failed due to previous errors
19/03/2008 17:50:43 org.apache.catalina.core.StandardContext stop
INFO: Container org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/teste] has not been started
19/03/2008 17:50:43 org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-8084
19/03/2008 17:50:43 org.apache.jk.common.ChannelSocket init
INFO: JK: ajp13 listening on /0.0.0.0:8009
19/03/2008 17:50:43 org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/31 config=null
19/03/2008 17:50:43 org.apache.catalina.startup.Catalina start
INFO: Server startup in 2279 ms
Using CATALINA_BASE: C:\Documents and Settings\Administrador\.netbeans\6.0\apache-tomcat-6.0.14_base
Using CATALINA_HOME: C:\Arquivos de programas\Apache Software Foundation\Apache Tomcat 6.0.14
Using CATALINA_TMPDIR: C:\Documents and Settings\Administrador\.netbeans\6.0\apache-tomcat-6.0.14_base\temp
Using JRE_HOME: C:\Arquivos de programas\Java\jdk1.6.0_02
Listening for transport dt_shmem at address: tomcat_shared_memory_id
19/03/2008 17:50:41 org.apache.catalina.core.AprLifecycleListener init
INFO: The Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Arquivos de programas\Java\jdk1.6.0_02\bin;.;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\oraclexe\app\oracle\product\10.2.0\server\bin;C:\ARQUIV~1\Borland\Delphi5\Projects\Bpl;C:\ARQUIV~1\Borland\vbroker\jre\Bin;C:\ARQUIV~1\Borland\vbroker\Bin;C:\ARQUIV~1\Borland\Delphi5\Bin;C:\ARQUIV~1\Borland\CBUILD~1\Projects\Bpl;C:\ARQUIV~1\Borland\CBUILD~1\Bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;c:\Arquivos de programas\Microsoft SQL Server\90\Tools\binn\;C:\Arquivos de programas\SSH Communications Security\SSH Secure Shell;C:\Arquivos de programas\Arquivos comuns\Ahead\Lib\
19/03/2008 17:50:41 org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-8084
19/03/2008 17:50:41 org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 653 ms
19/03/2008 17:50:41 org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
19/03/2008 17:50:41 org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.14
19/03/2008 17:50:42 com.sun.faces.config.ConfigureListener contextInitialized
INFO: Initializing Sun´s JavaServer Faces implementation (1.2_04-b10-p01) for context ´/JJLocadora6´
19/03/2008 17:50:43 org.apache.catalina.core.StandardContext resourcesStart
SEVERE: Error starting static Resources
java.lang.IllegalArgumentException: Document base C:\Documents and Settings\Administrador\Meus documentos\NetBeansProjects\teste\build\web does not exist or is not a readable directory
at org.apache.naming.resources.FileDirContext.setDocBase(FileDirContext.java:141)
at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:3944)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4113)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:626)
at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:553)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:488)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:516)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:566)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
19/03/2008 17:50:43 org.apache.catalina.core.StandardContext start
SEVERE: Error in resourceStart()
19/03/2008 17:50:43 org.apache.catalina.core.StandardContext start
SEVERE: Error getConfigured
19/03/2008 17:50:43 org.apache.catalina.core.StandardContext start
SEVERE: Context [/teste] startup failed due to previous errors
19/03/2008 17:50:43 org.apache.catalina.core.StandardContext stop
INFO: Container org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/teste] has not been started
19/03/2008 17:50:43 org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-8084
19/03/2008 17:50:43 org.apache.jk.common.ChannelSocket init
INFO: JK: ajp13 listening on /0.0.0.0:8009
19/03/2008 17:50:43 org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/31 config=null
19/03/2008 17:50:43 org.apache.catalina.startup.Catalina start
INFO: Server startup in 2279 ms
Alguem pode me confirma o código e me dar uma dica? Obrigado!!!!
Shakall
Curtidas 0