We Keep Coding

XmlParser Error while rendering a Dynamic Jasper report in Java

I need create a report with Columns added dynamically, So i choose Dynamic Report version 5.3.2 to achieve this, but there is problem while rendering the report. i have an Exception i dont know what's wrong, it's about xml parser or something like but i don't really know. I use jdk 1.8.2.0 and Netabeans 11.0 as IDE, here is the excpetion
Exception in thread "AWT-EventQueue-0" java.lang.AbstractMethodError: javax.xml.parsers.DocumentBuilderFactory.setFeature(Ljava/lang/String;Z)V
at net.sf.jasperreports.engine.fonts.SimpleFontExtensionHelper.<init>(SimpleFontExtensionHelper.java:149)
at net.sf.jasperreports.engine.fonts.SimpleFontExtensionHelper.getInstance(SimpleFontExtensionHelper.java:131)
at net.sf.jasperreports.engine.fonts.FontExtensionsRegistry.ensureFontExtensions(FontExtensionsRegistry.java:80)
at net.sf.jasperreports.engine.fonts.FontExtensionsRegistry.getExtensions(FontExtensionsRegistry.java:57)
at net.sf.jasperreports.extensions.DefaultExtensionsRegistry.getExtensions(DefaultExtensionsRegistry.java:134)
at net.sf.jasperreports.engine.util.JRStyledTextParser.<clinit>(JRStyledTextParser.java:86)
at net.sf.jasperreports.engine.fill.JRBaseFiller.<init>(JRBaseFiller.java:114)
at net.sf.jasperreports.engine.fill.JRVerticalFiller.<init>(JRVerticalFiller.java:82)
at net.sf.jasperreports.engine.fill.JRFiller.createBandReportFiller(JRFiller.java:251)
at net.sf.jasperreports.engine.fill.JRFiller.createReportFiller(JRFiller.java:272)
at net.sf.jasperreports.engine.fill.JRFiller.fill(JRFiller.java:156)
at net.sf.jasperreports.engine.fill.JRFiller.fill(JRFiller.java:145)
at net.sf.jasperreports.engine.JasperFillManager.fill(JasperFillManager.java:758)
at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:1074)
at ar.com.fdvs.dj.core.DynamicJasperHelper.generateJasperPrint(DynamicJasperHelper.java:244)
at ar.com.fdvs.dj.core.DynamicJasperHelper.generateJasperPrint(DynamicJasperHelper.java:220)
at com.gepa.views.principal.PrincipalScreenx.rapportPerformanceActionAction(PrincipalScreenx.java:6307)
at com.gepa.views.principal.PrincipalScreenx$85.actionPerformed(PrincipalScreenx.java:3166)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2346)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.AbstractButton.doClick(AbstractButton.java:376)
at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:833)
at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:877)
at java.awt.Component.processMouseEvent(Component.java:6525)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
at java.awt.Component.processEvent(Component.java:6290)
at java.awt.Container.processEvent(Container.java:2234)
at java.awt.Component.dispatchEventImpl(Component.java:4881)
at java.awt.Container.dispatchEventImpl(Container.java:2292)
at java.awt.Component.dispatchEvent(Component.java:4703)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4898)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4533)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4462)
at java.awt.Container.dispatchEventImpl(Container.java:2278)
at java.awt.Window.dispatchEventImpl(Window.java:2739)
at java.awt.Component.dispatchEvent(Component.java:4703)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:746)
at java.awt.EventQueue.access$400(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:697)
at java.awt.EventQueue$3.run(EventQueue.java:691)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.awt.EventQueue$4.run(EventQueue.java:719)
at java.awt.EventQueue$4.run(EventQueue.java:717)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:716)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
Here is my code for creating the dynamic report
FastReportBuilder drb = new FastReportBuilder();
drb.addColumn("State", "state", String.class.getName(),30)
.addColumn("Branch", "branch", String.class.getName(),30)
.addColumn("Product Line", "productLine", String.class.getName(),50)
.addColumn("Item", "item", String.class.getName(),50)
.addColumn("Item Code", "id", Long.class.getName(),30,true)
.addColumn("Quantity", "quantity", Long.class.getName(),60,true)
.addColumn("Amount", "amount", Float.class.getName(),70,true)
.addGroups(2)
.setTitle("November " + 2021 +" sales report")
.setSubtitle("This report was generated at " + new Date())
.setPrintBackgroundOnOddRows(true)
.setUseFullPageWidth(true);
drb.addGlobalFooterVariable(drb.getColumn(4), DJCalculation.COUNT, null, new DJValueFormatter() {
public String getClassName() {
return String.class.getName();
}
public Object evaluate(Object value, Map fields, Map variables, Map parameters) {
return (value == null ? "0" : value.toString()) + " Clients";
}
});
List rowsDataList = new ArrayList();
DynamicReport dr = drb.build();
JasperPrint finalreport = DynamicJasperHelper.generateJasperPrint(dr,new ClassicLayoutManager(), rowsDataList);
JasperViewer.viewReport(finalreport);
}catch(Exception e)
{
e.printStackTrace();
}
I don't know if it's cause by a missing dependancy or a conflict but it's not working, Please help me to solve this. Thanks in advance

looks like your project is using a old version of the JAXP (Locate and uninstall the plugin that loads the outdated implementation of the Java API for XML Processing (JAXP), e.g., Xerces 2.6.)
I found this info that might help: https://support.cloudbees.com/hc/en-us/articles/360036082251-Pipeline-Maven-Integration-fails-due-to-java-lang-AbstractMethodError?page=21

Why does it throw an error when it tries to unzip the 1.12 version?

I am making an installer for an mc mod it has to donwload the zip file of the mod from a server but when my installer(for the mod) tries to unzip the 1.12 version it throws an but it works with all the other versions.(when I unzip it myself on my pc and zip it again and run my installer again it also works with the 1.12 version).
I tried to rename the file because I first thought it maybe couldn't find it because of the dots in the name: modpack_0.1.0.jar
public static void unZip(String src, String dest) {
try (ZipFile file = new ZipFile(src)) {
FileSystem fileSystem = FileSystems.getDefault();
// Get file entries
Enumeration<? extends ZipEntry> entries = file.entries();
// We will unzip files in this folder
String uncompressedDirectory = dest;
Path path = Paths.get(dest);
if (Files.exists(path)) {
deleteDirectoryStream(path);
Files.createDirectory(fileSystem.getPath(uncompressedDirectory));
}
else {
Files.createDirectory(fileSystem.getPath(uncompressedDirectory));
}
// Iterate over entries
while (entries.hasMoreElements()) {
ZipEntry entry = entries.nextElement();
// If directory then create a new directory in uncompressed folder
if (entry.isDirectory()) {
System.out.println("Creating Directory:" + uncompressedDirectory + entry.getName());
Files.createDirectories(fileSystem.getPath(uncompressedDirectory + entry.getName()));
}
// Else create the file
else {
InputStream is = file.getInputStream(entry);
BufferedInputStream bis = new BufferedInputStream(is);
String uncompressedFileName = uncompressedDirectory + entry.getName();
Path uncompressedFilePath = fileSystem.getPath(uncompressedFileName);
Files.createFile(uncompressedFilePath);
FileOutputStream fileOutput = new FileOutputStream(uncompressedFileName);
while (bis.available() > 0) {
fileOutput.write(bis.read());
}
fileOutput.close();
System.out.println("Written :" + entry.getName());
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
I expected that it would unzip the 1.12 version without any errors just like the other versions but it gave me an error:
java.nio.file.NoSuchFileException: /Users/usernamehere/Library/Application Support/minecraft/mods/CraftingDead/bin/modpack.jar
at sun.nio.fs.UnixException.translateToIOException(UnixException.java:86)
at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102)
at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107)
at sun.nio.fs.UnixFileSystemProvider.newByteChannel(UnixFileSystemProvider.java:214)
at java.nio.file.Files.newByteChannel(Files.java:361)
at java.nio.file.Files.createFile(Files.java:632)
at com.craftingdead.installer.Actions.unZip(Actions.java:144)
at com.craftingdead.installer.Gui.installModAndForge(Gui.java:185)
at com.craftingdead.installer.Gui.actionPerformed(Gui.java:429)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
at java.awt.Component.processMouseEvent(Component.java:6533)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
at java.awt.Component.processEvent(Component.java:6298)
at java.awt.Container.processEvent(Container.java:2238)
at java.awt.Component.dispatchEventImpl(Component.java:4889)
at java.awt.Container.dispatchEventImpl(Container.java:2296)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4897)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4534)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4475)
at java.awt.Container.dispatchEventImpl(Container.java:2282)
at java.awt.Window.dispatchEventImpl(Window.java:2746)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:760)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:90)
at java.awt.EventQueue$4.run(EventQueue.java:733)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:730)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at com.craftingdead.installer.Gui.installModAndForge(Gui.java:200)
at com.craftingdead.installer.Gui.actionPerformed(Gui.java:429)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
at java.awt.Component.processMouseEvent(Component.java:6533)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
at java.awt.Component.processEvent(Component.java:6298)
at java.awt.Container.processEvent(Container.java:2238)
at java.awt.Component.dispatchEventImpl(Component.java:4889)
at java.awt.Container.dispatchEventImpl(Container.java:2296)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4897)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4534)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4475)
at java.awt.Container.dispatchEventImpl(Container.java:2282)
at java.awt.Window.dispatchEventImpl(Window.java:2746)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:760)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:90)
at java.awt.EventQueue$4.run(EventQueue.java:733)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:730)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
Does someone know why it could be giving me an error?

inserting data in oracle from java having problem

I've centos6.4 in both server and client in VM. I'm trying to store some values (jTextFieldBookID.getText(), jTextFieldBookName.getText(), jTextFieldCategory.getText(), jTextAreaDescription.getText(), and sqdate.) in oracle 11gr2 from java (java SE 8). but having hundreds of errors. I am not getting the solution.
code is:
tablebookmaster:-
SQL> desc tablebookmaster;
Name Null? Type
----------------------------------------- -------- ----------------------------
BOOKID NOT NULL NUMBER(38)
BOOKNAME VARCHAR2(45)
CATEGORY VARCHAR2(30)
DESCRIPTION VARCHAR2(60)
REGISTRYDATE DATE
ClassConnectDB file:
package PackageInventory;
import java.sql.*;
import javax.swing.JOptionPane;
public class ClassConnectDB
{
public static Connection connectdb()
{
try
{
Connection conn = null;
Class.forName("oracle.jdbc.driver.OracleDriver");
conn = DriverManager.getConnection("jdbc:oracle:thin:#serverora11gr2:1521:orcl","scott","tiger");
return conn;
}
catch(Exception e)
{
JOptionPane.showMessageDialog(null, " exception in ClassConnectDB.connectdb() is : " + e);
return null;
}
}
}
file jFrameBookMaster:
import java.sql.*;
//import java.sql.Date;
import javax.swing.JOptionPane;
import javax.swing.*;
import java.text.*;
import java.util.*;
import java.text.SimpleDateFormat;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
private void jButtonSaveActionPerformed(java.awt.event.ActionEvent evt)
{
//Date date = jDateChooserRegistryDate.getDate();
try
{
//conn = ClassConnectDB.connectdb();
conn = ClassConnectDB.connectdb();
String JTextfieldBookIdStr = jTextFieldBookID.getText();
String JTextFieldBooknameStr = jTextFieldBookName.getText();
String JTexTFieldCategoryStr = jTextFieldCategory.getText();
String JtextAeraDesciptionStr = jTextAreaDescription.getText();
java.util.Date udate = new java.util.Date();
udate = jXDatePickerRegistryDate.getDate();
udate = jXDatePickerRegistryDate.getDate();
java.sql.Date sqdate = new java.sql.Date(udate.getTime());
//sqdate = new java.sql.Date(udate.getTime());
String sql = "insert into tablebookmaster values(?, ?, ?, ?, ?);";
pst = conn.prepareStatement(sql);
pst.setInt(1, Integer.parseInt(JTextfieldBookIdStr) );
//JOptionPane.showMessageDialog(null,"
pst.setString(2,JTextFieldBooknameStr);
pst.setString(3,JTexTFieldCategoryStr);
pst.setString(4,JtextAeraDesciptionStr);
pst.setDate(5, sqdate);
pst = conn.prepareStatement(sql);
int inserted = pst.executeUpdate();
if(inserted == 1)
{
JOptionPane.showMessageDialog(null,"row inserted successfully");
}
else
{
JOptionPane.showMessageDialog(null,"Sorry!. Your record has not saved");
}
conn.close();
}
catch(Exception e)
{
JOptionPane.showMessageDialog(null, "exception in jButtonSaveActionPerformed : " + e);
}
}
The error message:
Dec 13, 2018 12:26:01 PM oracle.jdbc.driver.OracleDriver registerMBeans
WARNING: Error while registering Oracle JDBC Diagnosability MBean.
java.lang.ExceptionInInitializerError
at oracle.jdbc.driver.OracleDriver.registerMBeans(OracleDriver.java:313)
at oracle.jdbc.driver.OracleDriver$1.run(OracleDriver.java:201)
at java.security.AccessController.doPrivileged(Native Method)
at oracle.jdbc.driver.OracleDriver.<clinit>(OracleDriver.java:197)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:259)
at PackageInventory.ClassConnectDB.connectdb(ClassConnectDB.java:17)
at PackageInventory.JFrameBookMaster.jButtonSaveActionPerformed(JFrameBookMaster.java:225)
at PackageInventory.JFrameBookMaster.access$000(JFrameBookMaster.java:26)
at PackageInventory.JFrameBookMaster$1.actionPerformed(JFrameBookMaster.java:71)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2346)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
at java.awt.Component.processMouseEvent(Component.java:6525)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
at java.awt.Component.processEvent(Component.java:6290)
at java.awt.Container.processEvent(Container.java:2234)
at java.awt.Component.dispatchEventImpl(Component.java:4881)
at java.awt.Container.dispatchEventImpl(Container.java:2292)
at java.awt.Component.dispatchEvent(Component.java:4703)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4898)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4533)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4462)
at java.awt.Container.dispatchEventImpl(Container.java:2278)
at java.awt.Window.dispatchEventImpl(Window.java:2739)
at java.awt.Component.dispatchEvent(Component.java:4703)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:746)
at java.awt.EventQueue.access$400(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:697)
at java.awt.EventQueue$3.run(EventQueue.java:691)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.awt.EventQueue$4.run(EventQueue.java:719)
at java.awt.EventQueue$4.run(EventQueue.java:717)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:716)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
Caused by: java.lang.SecurityException: sealing violation: package oracle.jdbc.internal is sealed
at java.net.URLClassLoader.getAndVerifyPackage(URLClassLoader.java:394)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:423)
at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:367)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:455)
at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:367)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:455)
at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:367)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:411)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:340)
at oracle.jdbc.driver.ClassRef.get(ClassRef.java:92)
at oracle.jdbc.driver.ClassRef$XMLTypeClassRef.<init>(ClassRef.java:120)
at oracle.jdbc.driver.ClassRef$XMLTypeClassRef.newInstance(ClassRef.java:109)
at oracle.jdbc.driver.ClassRef.<clinit>(ClassRef.java:42)
... 46 more
Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: Could not initialize class
oracle.jdbc.driver.ClassRef
at oracle.jdbc.driver.OracleDriver.<clinit>(OracleDriver.java:262)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:259)
at PackageInventory.ClassConnectDB.connectdb(ClassConnectDB.java:17)
at PackageInventory.JFrameBookMaster.jButtonSaveActionPerformed(JFrameBookMaster.java:225)
at PackageInventory.JFrameBookMaster.access$000(JFrameBookMaster.java:26)
at PackageInventory.JFrameBookMaster$1.actionPerformed(JFrameBookMaster.java:71)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2346)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
at java.awt.Component.processMouseEvent(Component.java:6525)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
at java.awt.Component.processEvent(Component.java:6290)
at java.awt.Container.processEvent(Container.java:2234)
at java.awt.Component.dispatchEventImpl(Component.java:4881)
at java.awt.Container.dispatchEventImpl(Container.java:2292)
at java.awt.Component.dispatchEvent(Component.java:4703)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4898)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4533)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4462)
at java.awt.Container.dispatchEventImpl(Container.java:2278)
at java.awt.Window.dispatchEventImpl(Window.java:2739)
at java.awt.Component.dispatchEvent(Component.java:4703)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:746)
at java.awt.EventQueue.access$400(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:697)
at java.awt.EventQueue$3.run(EventQueue.java:691)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.awt.EventQueue$4.run(EventQueue.java:719)
at java.awt.EventQueue$4.run(EventQueue.java:717)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:716)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

Why cant i change a instance?

I have the following class:
public class Finance {
private User user;
private ArrayList<account> account;
private ArrayList<Categorie> categorie;
private ArrayList<salary> salary;
private static final Finance instance=new GestaoFinancas();
public static Finance getFinance() {
return instance;
}
private Finance() {
user=new User();
account=new ArrayList<>();
categorie=new ArrayList<>();
salary=new ArrayList<>();
categorie.add(new Categoria("Food"));
categorie.add(new Categoria("Sleep"));
categorie.add(new Categoria("Fun"));
}
public void setUser(User user) {
this.user = user;
}
}
And im trying to add a new user to it:
import pt.finance.modelo.Finance;
...
User user = new User( jTextField1.getText(), jTextField2.getText(), jTextField3.getText());
getFinance().setUser(user);//here is the problem
My question is how can i give a new user, plus should i write Finance.getFinance or getFinance? Everytime i attempt to give Finance a new user i get the following error:
Exception in thread "AWT-EventQueue-0" java.lang.ExceptionInInitializerError
at pt.ipleiria.estg.es1.financaspessoais.vista.DadosUtilizador.jButton2ActionPerformed(DadosUtilizador.java:127)
at pt.ipleiria.estg.es1.financaspessoais.vista.DadosUtilizador.access$200(DadosUtilizador.java:14)
at pt.ipleiria.estg.es1.financaspessoais.vista.DadosUtilizador$3.actionPerformed(DadosUtilizador.java:72)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
at java.awt.Component.processMouseEvent(Component.java:6533)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
at java.awt.Component.processEvent(Component.java:6298)
at java.awt.Container.processEvent(Container.java:2236)
at java.awt.Component.dispatchEventImpl(Component.java:4889)
at java.awt.Container.dispatchEventImpl(Container.java:2294)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4525)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466)
at java.awt.Container.dispatchEventImpl(Container.java:2280)
at java.awt.Window.dispatchEventImpl(Window.java:2746)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:90)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.awt.EventQueue$4.run(EventQueue.java:729)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:109)
at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:184)
at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:229)
at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:227)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:227)
at java.awt.Dialog.show(Dialog.java:1084)
at java.awt.Component.show(Component.java:1671)
at java.awt.Component.setVisible(Component.java:1623)
at java.awt.Window.setVisible(Window.java:1014)
at java.awt.Dialog.setVisible(Dialog.java:1005)
at pt.ipleiria.estg.es1.financaspessoais.vista.FinancasPessoais.btnAlterarUtilizadorActionPerformed(FinancasPessoais.java:174)
at pt.ipleiria.estg.es1.financaspessoais.vista.FinancasPessoais.access$000(FinancasPessoais.java:13)
at pt.ipleiria.estg.es1.financaspessoais.vista.FinancasPessoais$1.actionPerformed(FinancasPessoais.java:51)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
at java.awt.Component.processMouseEvent(Component.java:6533)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
at java.awt.Component.processEvent(Component.java:6298)
at java.awt.Container.processEvent(Container.java:2236)
at java.awt.Component.dispatchEventImpl(Component.java:4889)
at java.awt.Container.dispatchEventImpl(Container.java:2294)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4525)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466)
at java.awt.Container.dispatchEventImpl(Container.java:2280)
at java.awt.Window.dispatchEventImpl(Window.java:2746)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:90)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.awt.EventQueue$4.run(EventQueue.java:729)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
Caused by: java.lang.UnsupportedOperationException: Not supported yet.
at pt.ipleiria.estg.es1.financaspessoais.modelo.Utilizador.<init>(Utilizador.java:21)
at pt.ipleiria.estg.es1.financaspessoais.modelo.GestaoFinancas.<init>(GestaoFinancas.java:26)
at pt.ipleiria.estg.es1.financaspessoais.modelo.GestaoFinancas.<clinit>(GestaoFinancas.java:20)

Caused by: java.lang.UnsupportedOperationException: Not supported yet.
at pt.ipleiria.estg.es1.financaspessoais.modelo.Utilizador.<init>(Utilizador.java:21)
at pt.ipleiria.estg.es1.financaspessoais.modelo.GestaoFinancas.<init>(GestaoFinancas.java:26)
at pt.ipleiria.estg.es1.financaspessoais.modelo.GestaoFinancas.<clinit>(GestaoFinancas.java:20)
That's your problem. On line 21 of your Utilizador class there's a problem (probably deliberately throwing UnsupportedOperationException to show that it hasn't been fully implemented yet). So you're failing to instantiate Utilizador. You should either look there and figure it out, or post that code too.

What is error In this Java Inventory Management System Code?

private void cmbProductItemStateChanged(java.awt.event.ItemEvent evt) {
if (cmbProduct.getSelectedIndex() > 0) {
Connection con = null;
CallableStatement cstmt = null;
ResultSet rs = null;
try {
con = DatabaseHelper.getConnection();
cstmt = con.prepareCall("{?=call getProductQty(?)}");
cstmt.registerOutParameter(1, java.sql.Types.INTEGER);
cstmt.setString(2, cmbProduct.getSelectedItem().toString());
cstmt.execute();
int output = cstmt.getInt(1);
lblQty.setText(String.valueOf(output));
cstmt = con.prepareCall("{call avg_price(getProductId(?)}");
cstmt.setString(1, cmbProduct.getSelectedItem().toString());
cstmt.execute();
rs = cstmt.getResultSet();
while (rs.next()) {
lblPrice.setText(rs.getString(1));
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
con.close();
cstmt.close();
rs.close();
} catch (SQLException ex) {
ex.printStackTrace();
}
}
}
}
I am making a Java Inventory Management System. Currently I am in the data fetching process from the database. I have written code in the cmbProductItemStateChanged event of ComboBox. There is no syntax error.
getProductQty and getProductId are a function. avg_price is a procedure.
com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
at com.mysql.jdbc.Util.getInstance(Util.java:386)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1053)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4120)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4052)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2503)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2664)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2794)
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2155)
at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:1379)
at com.mysql.jdbc.CallableStatement.execute(CallableStatement.java:920)
at IMS.Inventory.cmbProductItemStateChanged(Inventory.java:242)
at IMS.Inventory.access$000(Inventory.java:19)
at IMS.Inventory$1.itemStateChanged(Inventory.java:75)
at javax.swing.JComboBox.fireItemStateChanged(JComboBox.java:1223)
at javax.swing.JComboBox.selectedItemChanged(JComboBox.java:1271)
at javax.swing.JComboBox.contentsChanged(JComboBox.java:1330)
at javax.swing.AbstractListModel.fireContentsChanged(AbstractListModel.java:118)
at javax.swing.DefaultComboBoxModel.setSelectedItem(DefaultComboBoxModel.java:93)
at javax.swing.JComboBox.setSelectedItem(JComboBox.java:576)
at javax.swing.JComboBox.setSelectedIndex(JComboBox.java:622)
at javax.swing.plaf.basic.BasicComboPopup$Handler.mouseReleased(BasicComboPopup.java:852)
at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:290)
at java.awt.Component.processMouseEvent(Component.java:6533)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
at javax.swing.plaf.basic.BasicComboPopup$1.processMouseEvent(BasicComboPopup.java:501)
at java.awt.Component.processEvent(Component.java:6298)
at java.awt.Container.processEvent(Container.java:2236)
at java.awt.Component.dispatchEventImpl(Component.java:4889)
at java.awt.Container.dispatchEventImpl(Container.java:2294)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4525)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466)
at java.awt.Container.dispatchEventImpl(Container.java:2280)
at java.awt.Window.dispatchEventImpl(Window.java:2746)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.awt.EventQueue$4.run(EventQueue.java:729)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at IMS.Inventory.cmbProductItemStateChanged(Inventory.java:254)
at IMS.Inventory.access$000(Inventory.java:19)
at IMS.Inventory$1.itemStateChanged(Inventory.java:75)
at javax.swing.JComboBox.fireItemStateChanged(JComboBox.java:1223)
at javax.swing.JComboBox.selectedItemChanged(JComboBox.java:1271)
at javax.swing.JComboBox.contentsChanged(JComboBox.java:1330)
at javax.swing.AbstractListModel.fireContentsChanged(AbstractListModel.java:118)
at javax.swing.DefaultComboBoxModel.setSelectedItem(DefaultComboBoxModel.java:93)
at javax.swing.JComboBox.setSelectedItem(JComboBox.java:576)
at javax.swing.JComboBox.setSelectedIndex(JComboBox.java:622)
at javax.swing.plaf.basic.BasicComboPopup$Handler.mouseReleased(BasicComboPopup.java:852)
at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:290)
at java.awt.Component.processMouseEvent(Component.java:6533)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
at javax.swing.plaf.basic.BasicComboPopup$1.processMouseEvent(BasicComboPopup.java:501)
at java.awt.Component.processEvent(Component.java:6298)
at java.awt.Container.processEvent(Container.java:2236)
at java.awt.Component.dispatchEventImpl(Component.java:4889)
at java.awt.Container.dispatchEventImpl(Container.java:2294)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4525)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466)
at java.awt.Container.dispatchEventImpl(Container.java:2280)
at java.awt.Window.dispatchEventImpl(Window.java:2746)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.awt.EventQueue$4.run(EventQueue.java:729)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

There is a closing parenthesis missing:
cstmt = con.prepareCall("{call avg_price(getProductId(?))}");
^ (added)