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sudo timestamp too far in the future fixing method

If you ever see this error which telling you the line below:-

"sudo: timestamp too far in the future"

Then run a simple command in Terminal found on Accessories menu

sudo -k

You have to enter password to solve . It is a bug on time settings (time-stamp issue) on your machine. After running the command above change the time as your desire. This command will work on various debian based Linux Operating System. Check it out by yourself.

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Struts Error Exception No getter method available for property name for bean under name

Recently I was using Struts v1.x and I needed to display a select list. The information about how to use the html:optionsCollection tag was sketchy. I was able to get the tag working this way:

On the JSP page, I added this inside the html:form tag:

<html:select property="selectedEquipment"> <html:optionsCollection property="equipment" label="name" value="id"/> </html:select>

Then I create a Java class called SelectOption like this:

package com.codebits.struts; public class SelectOption { String id; String name; SelectOption() { } SelectOption(final String _id, final String _name) { setId(_id); setName(_name); } public String getId() { return id; } public void setId(String id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } }

Next I created an ActionForm bean:

package com.codebits.struts; public class AddForm extends ActionForm { private Integer selectedEquipment = null; private List equipment = new ArrayList(); public Integer getSelectedEquipment() { return selectedEquipment; } public void setSelectedEquipment(Integer selectedEquipment) { this.selectedEquipment = selectedEquipment; } public List getEquipment() { return equipment; } public void addEquipment(final String equipmentId, final String emtEquipmentId) { this.equipment.add(new SelectOption(equipmentId, emtEquipmentId)); } public void setEquipment(List equipment) { this.equipment = equipment; } }

And finally, in my action class, I prepopulated the ActionForm bean:

 AddForm addForm = (AddForm)form; addForm.addEquipment("1", "AAA"); addForm.addEquipment("2", "BBBB"); 

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