Oi Pessoal , estou tentando chamar um relatório que fiz com o iReport, mas quando executo o código gera alguns erros
ja estou tentando gerar esse relatório pelo java faz tempo e não consigo
se alguém tiver algum exemplo ou souber me explicar os erros vai ajudar muito
Se poderem me ajudar agradeço muito .
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.HashMap;
import javax.swing.JOptionPane;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
public class repositorioProduto{
public repositorioProduto() {}
public void inserir(produto prod) throws ExcRepositorio{
String desc = prod.getDescricao();
double preco = prod.getpreco();
String SQL = "insert into tb_Produtos (descricao, preco) values ('" + desc + "', " + preco + ")";
Connection conn = null;
Statement stat = null;
try {
conn = gConexao.getConexao();
stat = conn.createStatement();
stat.executeUpdate(SQL);
} catch (SQLException e) {
throw new ExcRepositorio("Erro na conexão ao inserir: " + e.getMessage());
} finally {
if (stat != null) {
try {
stat.close();
} catch (SQLException e) {
throw new ExcRepositorio("Erro ao fechar conexão: " + e.getMessage());
}
}
}
}
@SuppressWarnings("unchecked")
public JasperPrint gerar() throws ExcRepositorio{
JasperPrint rel = null;
try {
Connection con = gConexao.getConexao();
HashMap map = new HashMap();
String arquivoJasper = "relatorio.jasper";
rel = JasperFillManager.fillReport(arquivoJasper, map, con);
} catch (JRException e) {
JOptionPane.showMessageDialog(null,e.getMessage());
}
return rel;
}
}
gera os seguites erros :
Exception in thread “main” java.lang.NoClassDefFoundError: Lorg/apache/commons/logging/Log;
at java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Unknown Source)
at java.lang.Class.getDeclaredField(Unknown Source)
at java.io.ObjectStreamClass.getDeclaredSUID(Unknown Source)
at java.io.ObjectStreamClass.access$700(Unknown Source)
at java.io.ObjectStreamClass$2.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.io.ObjectStreamClass.(Unknown Source)
at java.io.ObjectStreamClass.lookup(Unknown Source)
at java.io.ObjectStreamClass.initNonProxy(Unknown Source)
at java.io.ObjectInputStream.readNonProxyDesc(Unknown Source)
at java.io.ObjectInputStream.readClassDesc(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.readArray(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.readObject(Unknown Source)
at net.sf.jasperreports.engine.util.JRLoader.loadObject(JRLoader.java:94)
at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:247)
at repositorioProduto.gerar(repositorioProduto.java:46)
at principal.main(principal.java:20)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.logging.Log
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at sun.misc.Launcher$ExtClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
… 33 more
o Arquivo relatorio.jasper estar no meu projeto , não está dentro da pasta src junto com as classes, só esta na pasta raiz mesmo na primeira pasta do projeto junto com o .classpath e o .project
por favor pessoal preciso de uma ajuda
abraço.