Boa noite galera,
Estou tentando migrar uma aplicação do tomcat 6 para o 7 e está ocorrendo um erro ao tentar conectar com o banco de dados
estou utilizando a biblioteca c3p0 para fazer o pool de conexão, que é em jdbc
o erro é semelhante a configurações equivocadas do banco, como usuário e senha.
Testo com o tomcat 6 funciona, mudo para o 7 dá o erro abaixo:
Alguém já passou por alguma situação semelhante? Obrigado!
java.sql.SQLException: Connections could not be acquired from the underlying database!
at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:106)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:529)
at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128)
at br.com.tumuchi.util.ConexaoUtil.getConnection(ConexaoUtil.java:78)
at br.com.tumuchi.negocio.EstadoCivilNegocio.todos(EstadoCivilNegocio.java:15)
at br.com.tumuchi.controle.CadastroControle.listarEstadoCivil(CadastroControle.java:142)
at org.apache.jsp.cadastro_jsp._jspService(cadastro_jsp.java:156)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:412)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)
at br.com.tumuchi.controle.LoginControle.doGet(LoginControle.java:35)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:947)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1009)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: com.mchange.v2.resourcepool.CannotAcquireResourceException: A ResourcePool could not acquire a resource from its primary factory or source.
at com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1319)
at com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:557)
at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:477)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:525)
... 36 more
Jan 21, 2014 10:57:29 PM org.apache.catalina.core.ApplicationDispatcher invoke
Grave: Servlet.service() for servlet jsp threw exception
Segue a minha classe de conexão,
caso seja necessário
Valeu galera!
import java.sql.Connection;
import java.sql.SQLException;
import org.apache.log4j.Logger;
import com.mchange.v2.c3p0.ComboPooledDataSource;
public class ConexaoUtil {
/**
* A singleton that represents a pooled datasource. It is composed of a C3PO
* pooled datasource. Can be changed to any connect pool provider
*/
private ComboPooledDataSource cpds;
private static ConexaoUtil conexao;
private static Logger log = Logger.getLogger(Connection.class);
private String url="jdbc:postgresql://localhost:5432/banco_dados";
private String usuario="admin";
private String senha="admin";
private Integer acquireIncrement = 10;
private Integer initialPoolSize = 10;
private Integer maxPoolSize = 100;
private Integer minPoolSize = 10;
private Integer maxStatements = 100;
private ConexaoUtil() throws SQLException {
// Configuração do banco de dados
log.info("Reading datasource.properties from classpath");
cpds = new ComboPooledDataSource();
cpds.setJdbcUrl(url);
cpds.setUser(usuario);
cpds.setPassword(senha);
cpds.setInitialPoolSize(initialPoolSize);
cpds.setAcquireIncrement(acquireIncrement);
cpds.setMaxPoolSize(maxPoolSize);
cpds.setMinPoolSize(minPoolSize);
cpds.setMaxStatements(maxStatements);
}
public static ConexaoUtil getInstance() {
if (conexao == null) {
try {
conexao = new ConexaoUtil();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return conexao;
}
public Connection getConnection(){
try {
return this.cpds.getConnection();
} catch (SQLException e) {
e.printStackTrace();
return null;s
}
}
public void fecharConexao(Connection con){
try {
if(con!=null){
con.close();
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
Tenta colocar a pilha de erros completa.
Opa,
Está dando NullPointerException devido ao primeiro erro, pois o método getConnection() está retornando null
Estranho é que no tomcat 6 funciona, sem problemas
Valeu!
java.sql.SQLException: Connections could not be acquired from the underlying database!
at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:106)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:529)
at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128)
at br.com.tumuchi.util.ConexaoUtil.getConnection(ConexaoUtil.java:78)
at br.com.tumuchi.negocio.EstadoCivilNegocio.todos(EstadoCivilNegocio.java:15)
at br.com.tumuchi.controle.CadastroControle.listarEstadoCivil(CadastroControle.java:142)
at org.apache.jsp.cadastro_jsp._jspService(cadastro_jsp.java:156)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:412)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)
at br.com.tumuchi.controle.LoginControle.doGet(LoginControle.java:35)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:947)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1009)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: com.mchange.v2.resourcepool.CannotAcquireResourceException: A ResourcePool could not acquire a resource from its primary factory or source.
at com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1319)
at com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:557)
at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:477)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:525)
... 36 more
Jan 22, 2014 6:55:54 PM org.apache.catalina.core.ApplicationDispatcher invoke
Grave: Servlet.service() for servlet jsp threw exception
java.lang.NullPointerException
at br.com.tumuchi.dao.EstadoCivilDao.todos(EstadoCivilDao.java:80)
at br.com.tumuchi.negocio.EstadoCivilNegocio.todos(EstadoCivilNegocio.java:20)
at br.com.tumuchi.controle.CadastroControle.listarEstadoCivil(CadastroControle.java:142)
at org.apache.jsp.cadastro_jsp._jspService(cadastro_jsp.java:156)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:412)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)
at br.com.tumuchi.controle.LoginControle.doGet(LoginControle.java:35)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:947)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1009)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Jan 22, 2014 6:55:54 PM org.apache.catalina.core.StandardWrapperValve invoke
Grave: Servlet.service() for servlet [LoginControle] in context with path [/tumuchi] threw exception [java.lang.NullPointerException] with root cause
java.lang.NullPointerException
at br.com.tumuchi.dao.EstadoCivilDao.todos(EstadoCivilDao.java:80)
at br.com.tumuchi.negocio.EstadoCivilNegocio.todos(EstadoCivilNegocio.java:20)
at br.com.tumuchi.controle.CadastroControle.listarEstadoCivil(CadastroControle.java:142)
at org.apache.jsp.cadastro_jsp._jspService(cadastro_jsp.java:156)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:412)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)
at br.com.tumuchi.controle.LoginControle.doGet(LoginControle.java:35)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:947)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1009)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Olá pessoal,
Consegui solucionar o problema \o/\o/\o/
Foi só adicionar o DriverClass do banco e tratar a nova exceção gerada.
Obrigado pela atenção!
import java.sql.Connection;
import java.sql.SQLException;
import org.apache.log4j.Logger;
import com.mchange.v2.c3p0.ComboPooledDataSource;
public class ConexaoUtil {
/**
* A singleton that represents a pooled datasource. It is composed of a C3PO
* pooled datasource. Can be changed to any connect pool provider
*/
private ComboPooledDataSource cpds;
private static ConexaoUtil conexao;
private static Logger log = Logger.getLogger(Connection.class);
private String url="jdbc:postgresql://localhost:5432/banco_dados";
private String usuario="admin";
private String senha="admin";
private Integer acquireIncrement = 10;
private Integer initialPoolSize = 10;
private Integer maxPoolSize = 100;
private Integer minPoolSize = 10;
private Integer maxStatements = 100;
private String driverClass="org.postgresql.Driver";
private ConexaoUtil() throws SQLException {
// Configuração do banco de dados
log.info("Reading datasource.properties from classpath");
cpds = new ComboPooledDataSource();
cpds.setJdbcUrl(url);
cpds.setUser(usuario);
cpds.setPassword(senha);
cpds.setInitialPoolSize(initialPoolSize);
cpds.setAcquireIncrement(acquireIncrement);
cpds.setMaxPoolSize(maxPoolSize);
cpds.setMinPoolSize(minPoolSize);
cpds.setMaxStatements(maxStatements);
cpds.setDriverClass(driverClass);
}
public static ConexaoUtil getInstance() {
if (conexao == null) {
try {
conexao = new ConexaoUtil();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (PropertyVetoException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return conexao;
}
public Connection getConnection(){
try {
return this.cpds.getConnection();
} catch (SQLException e) {
e.printStackTrace();
return null;s
}
}
public void fecharConexao(Connection con){
try {
if(con!=null){
con.close();
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}