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JAVA QUESTIONS

Best Approach to validate a bean
Best Approach to validate a bean
I think the issue was by ths following , There are many validation utils. You can check this example:Spring MVC: How to perform validation?
TAG : java
Date : November 22 2020, 12:01 PM , By : N1troGn
jasperreports 5.5.0 with websphere 6.1
jasperreports 5.5.0 with websphere 6.1
With these it helps No, it is not, because jasperreports 5.5.0 uses awt font kerning, so at least java 1.6 is required...
TAG : java
Date : November 22 2020, 12:01 PM , By : rajesh chinnu
Eclipse-RCP: Getting Resourcebundles using custom ResourceBundle.Control
Eclipse-RCP: Getting Resourcebundles using custom ResourceBundle.Control
wish helps you After some investigation on this, I found a way that you are able to support your use case without modifying or copying code a lot.You need to exchange the BundleLocalization to load the ResourceBundle your way. In your case by using y
TAG : java
Date : November 22 2020, 12:01 PM , By : Shawon
Spring MVC ignores global date format?
Spring MVC ignores global date format?
wish help you to fix your issue It seems the global default format only applies to marshalling of dates to and from input fields, and not when writing the date out directly using JSP.
TAG : java
Date : November 22 2020, 12:01 PM , By : Igor Kiselev
Repeated replacement of characters in String
Repeated replacement of characters in String
it helps some times You could create a Map which will hold your mapping.Then just iterate other the original String.
TAG : java
Date : November 22 2020, 12:01 PM , By : Vash
using java select city and country from a given string that contains full address
using java select city and country from a given string that contains full address
I wish this helpful for you As your requirement, you have to build a case where you need to defined all the possibility city or country like Array city= new Array["America","England","China","Myanmar"]; after that now loop your array then read the us
TAG : java
Date : November 22 2020, 12:01 PM , By : Prateek
When I will get HTTP 504 error using java HttpUrlConnection Class
When I will get HTTP 504 error using java HttpUrlConnection Class
Hope that helps 504 Gateway Timeout - The server was acting as a gateway or proxy and did not receive a timely response from the upstream server
TAG : java
Date : November 22 2020, 11:17 AM , By : AndrewC
reference to an element in a list in mongodb
reference to an element in a list in mongodb
fixed the issue. Will look into that further I have a File and I want to get the Directory , The query
TAG : java
Date : November 22 2020, 11:17 AM , By : Jayson Jose
INSERT row does not update JTable in GUI
INSERT row does not update JTable in GUI
Hope this helps "I cannot get my JTable to update with a new row unless I restart the program."
TAG : java
Date : November 22 2020, 11:17 AM , By : Phartumax
Charles Web Debugging Proxy rewrite not working
Charles Web Debugging Proxy rewrite not working
seems to work fine Considering your example "zzz":"(*)+", here (*)+ doesn't mean anything to your example.You can replace it with "[^"]+" to match anything between quotes except the quote itself. For example:
TAG : java
Date : November 22 2020, 11:17 AM , By : Serengul Bal
STS(Spring Tool Suite) and Eclipse
STS(Spring Tool Suite) and Eclipse
it helps some times STS is just a preconfigured eclipse. it is completely free for any purpose.The pros and cons using STS go hand in hand: it has some plugines preinstalled which might be usefull or simply slow your IDE down. It has stuff you might
TAG : java
Date : November 22 2020, 11:17 AM , By : Howard S
JAX-RS: PUT/POST with JSON array does not deserialize as typed list
JAX-RS: PUT/POST with JSON array does not deserialize as typed list
around this issue I just discovered that this is a side effect of using CDI Interceptors (at least when using WELD as CDI provider). The proxy class used by the CDI interceptors destroys the Generics information of method parameters.So the CDI proxy
TAG : java
Date : November 22 2020, 11:17 AM , By : Yingying Dong
Programmatically add a self-signed certificate to your keystore/truststore
Programmatically add a self-signed certificate to your keystore/truststore
around this issue I saw this question (and others) where it is explained how to add a (self-signed) certificate to your keystore/cacerts manually by using the commandline. When doing this, you can set up a secured connection with a server without a s
TAG : java
Date : November 22 2020, 11:17 AM , By : Suman Datta
loading chartboost Interstitial in android error force closed
loading chartboost Interstitial in android error force closed
should help you out I have solve the problem by making a separate class and extend that class in my MainActivity.java class and all other classes as well, and its work for me,
TAG : java
Date : November 22 2020, 11:17 AM , By : Pifas McDakas
Adding canvas dynamically in GWT
Adding canvas dynamically in GWT
may help you . Solved the problem by adding fpCanvas.layout(); to the end of the method. My formpanel just had to be refreshed
TAG : java
Date : November 22 2020, 11:17 AM , By : neradp
How does Serializable work and WHY is it slower to use than Parcelable?
How does Serializable work and WHY is it slower to use than Parcelable?
Does that help Answer from one of the Google engineers hereGood article here
TAG : java
Date : November 22 2020, 11:17 AM , By : trovaz
In Java, is a global variable always put on the heap?
In Java, is a global variable always put on the heap?
around this issue Java has a concept of PermGen space - this is the space used to store all class definitions, static variables, interned strings, etc. here is link
TAG : java
Date : November 22 2020, 11:17 AM , By : John Crank
get length of second dimension of array
get length of second dimension of array
I think the issue was by ths following , I found different post on this topic but I could not find a suitable solution nor understand the code. Anyway, I do have an array that works like a non-squared matrix with columns and rows. From that array I w
TAG : java
Date : November 22 2020, 11:17 AM , By : A. Dar
Google Maps and java.lang.SecurityException
Google Maps and java.lang.SecurityException
Hope that helps Make sure the uses-permission element is not in the application element. I accidentally pasted it in there once, and Android Studio doesn't tell you that's a problem. Once I moved it out, it fixed the issue.Example:
TAG : java
Date : November 22 2020, 11:17 AM , By : keepmoving zhang
How to programmatically get underlying OS details of Azure VM
How to programmatically get underlying OS details of Azure VM
Hope that helps Using service management API you can get the size of the role instance (Small, Medium etc). Each size has predefined number of cores, RAM, Hard Disk size etc. so you can find this information that way. Service management API won't giv
TAG : java
Date : November 22 2020, 11:17 AM , By : Артур Томилин
How to run the selenium webdriver test case project(done in java) into Linux
How to run the selenium webdriver test case project(done in java) into Linux
hop of those help? Quick and dirtyInstall maven on the linux server and a JDK. Then copy the source code of your project to the linux server (e.g. clone the source repository or zip the directory and scp it). Run:
TAG : java
Date : November 22 2020, 11:17 AM , By : Ramha krishna
How to set values to a Combo Box using ssjs array variable?
How to set values to a Combo Box using ssjs array variable?
this will help I get values from Db using jdbc and store them in a String Array object. I have a combobox in an xpage and computed its values using ssjs. , You need to return a Vector and not an Array.
TAG : java
Date : November 22 2020, 11:12 AM , By : Daniel Herkel
Get VideoEntry by video id
Get VideoEntry by video id
Hope this helps Use following request (as stated here):
TAG : java
Date : November 22 2020, 11:12 AM , By : ilikesf
Wildfly maps DateTime to 'bytea', not to 'timestamp' in Postgres
Wildfly maps DateTime to 'bytea', not to 'timestamp' in Postgres
it helps some times Ah, I see, checkout JDF-70: "Classloading issues on Wildfly 8 Beta 1"It's been fixed in version 3.1.0.CR10 and I've just deployed fine with that. Problem solved (for me).
TAG : java
Date : November 22 2020, 11:12 AM , By : Dale Smith
ConcurrentHashMap of Future and double-check locking
ConcurrentHashMap of Future and double-check locking
I think the issue was by ths following , Do I need to perform double-check locking control in my getTask method?
TAG : java
Date : November 22 2020, 11:12 AM , By : Kobayakawa Ammad
Eclipse jsp error in editor
Eclipse jsp error in editor
Any of those help For your first error (java.servlet.http can not be resolved to a type), You need to put servlet-api.jar file in the `classpath:To do this follow the steps:
TAG : java
Date : November 22 2020, 11:12 AM , By : killswitch
Modbus/TCP by jamod
Modbus/TCP by jamod
wish help you to fix your issue Exception in thread "main" java.lang.Error: Unresolved compilation problem: MAX_IP_MESSAGE_LENGTH cannot be resolved or is not a fieldmeans the compiler can not find the (constant) value MAX_IP_MESSAGE_LENGTH.
TAG : java
Date : November 22 2020, 11:12 AM , By : Borislav Bozhidarov
@class getting added even though it's the defaultImpl
@class getting added even though it's the defaultImpl
wish help you to fix your issue You need to tell Jackson not to include class information for the implementation class. As per the documentation,
TAG : java
Date : November 22 2020, 11:12 AM , By : Grigor Yenoqyan
Removing duplicate Sets from List
Removing duplicate Sets from List
fixed the issue. Will look into that further I am trying to remove duplicate Set of custom objects from ArrayList. Below is the code I have written which uses toString representation of custom EmployeeObj to compare. Can you please suggest what other
TAG : java
Date : November 22 2020, 11:12 AM , By : dammysnow
org.jdom2.IllegalAddException: The Content already has an existing parent
org.jdom2.IllegalAddException: The Content already has an existing parent
will be helpful for those in need Remove prop.addContent(prop) following code block creates a clone of root element and detaches it.
TAG : java
Date : November 22 2020, 11:12 AM , By : derkomai
Programmatic Login to custom JAAS LoginModule in JSF2 web application (JBoss)
Programmatic Login to custom JAAS LoginModule in JSF2 web application (JBoss)
Hope this helps It seems that this is not possible, at least I wasn't able to propagate or tie the JAAS subject to the HttpSession.I finally ended up packing the OTP and password into a String and passed the two parameters username and (password+otp)
TAG : java
Date : November 22 2020, 11:12 AM , By : Simanchal Patra
Android: IllegalStateException: Activity has been destroyed
Android: IllegalStateException: Activity has been destroyed
hope this fix your issue I have seen numerous similar questions on stackoverflow but I can not figure out what I am doing wrong. I have made a very simple app to replicate the error. , Pass a reference of MainActivity to the Dialog and try this
TAG : java
Date : November 22 2020, 11:12 AM , By : Jordan Glissmeyer
Why is data.entrySet().iterator() ordered in a different order, compared to the HashMap<Long, String> data?
Why is data.entrySet().iterator() ordered in a different order, compared to the HashMap<Long, String> data?
it fixes the issue HashMap documentation says that
TAG : java
Date : November 22 2020, 11:12 AM , By : Maxi Krautzik
Different char casting behaviour for method passing and inside method
Different char casting behaviour for method passing and inside method
may help you . What you are looking at is the difference between method invocation conversion and assignment conversion.In plain language, what has happened is that the conversion rules are different in the two cases.
TAG : java
Date : November 22 2020, 11:12 AM , By : dennis lizotte
Custom pattern layout
Custom pattern layout
fixed the issue. Will look into that further According to my knowledge there is no such libraries exist .But you can use this code instead :
TAG : java
Date : November 22 2020, 11:12 AM , By : MNA
How can make a history for an Android app?
How can make a history for an Android app?
wish help you to fix your issue How can I make a history for operations ? , In class with method calculator() add field:
TAG : java
Date : November 22 2020, 11:12 AM , By : bithika mahato
How to localize the whole java spring application
How to localize the whole java spring application
I hope this helps you . The Spring Documentation is very well for this theme: 17.8 Using locales You need two things: A LocalResolver - that is holds the local for an user and when the user send a request, it add the local to the request context (ava
TAG : java
Date : November 22 2020, 11:05 AM , By : k.sridhar reddy
Instantiating a class which has generic params?
Instantiating a class which has generic params?
fixed the issue. Will look into that further @user3269829 you should not use HashMap for contain data of different types. You can add custom container, i.e. a class with three field:
TAG : java
Date : November 22 2020, 11:05 AM , By : Navvab Patricio
How to use autocomplete textview
How to use autocomplete textview
To fix the issue you can do Instead of OnItemSelectedListener, OnItemClickListener works for AutocompleteTextView.For example:
TAG : java
Date : November 22 2020, 11:05 AM , By : Donnie Guffey
Re-arranging xml using xslt considering element attribute value
Re-arranging xml using xslt considering element attribute value
it should still fix some issue There are many ways to rearrange nodes in XSLT, from simple alphabetical or numerical sorting, to complex grouping. If you can use XSLT 2.0 or XSLT 1.0 with extensions, you can usually get away with in templates or loop
TAG : java
Date : November 22 2020, 11:05 AM , By : Gulbuddin Zahid
AsyncTask (Asynchronous processes)
AsyncTask (Asynchronous processes)
With these it helps You need to listen for asyntask complete listener, For that let your activity A impliment interface and call that method from Activity B,s Asyntask,s onpostexecute method Thus your activity A will come to know that B has finished
TAG : java
Date : November 22 2020, 11:05 AM , By : The Noahie
File Reader IO Reading Text Files
File Reader IO Reading Text Files
Hope this helps EDITIt seems your text file contains not only the expected four lines but other code.
TAG : java
Date : November 22 2020, 11:05 AM , By : Ian
Replacement to Event Generators in Weblogic
Replacement to Event Generators in Weblogic
it helps some times Do you mean WebLogic Integration Event Generator? As I know, WebLogic Integration does not supported now and Oracle SOA Suite is a recomended replacement for this one. Oracle SOA Suite contains a Event Delivery Network - the new t
TAG : java
Date : November 22 2020, 11:05 AM , By : Marcin
Application crashes when given big number
Application crashes when given big number
wish of those help You have to use long or double instead of Integer. Because Integer doesn't support that much large value.
TAG : java
Date : November 22 2020, 11:05 AM , By : Akshay BEATS
Unable to map request to Controller in Spring MVC 3
Unable to map request to Controller in Spring MVC 3
Does that help Firstly, I was unable to get the index page but I resolved that issue using 404 error for tomcat 6 for spring application , Most importantly, you're missing
TAG : java
Date : November 22 2020, 11:05 AM , By : Şaban Altındaşoğlu
What is the fastest method to find duplicates from a collection
What is the fastest method to find duplicates from a collection
I hope this helps . You can use a Set to determine whether entries are duplicate. Also, repeatedEntries might as well be a Set, since the keys are meaningless:
TAG : java
Date : November 22 2020, 11:05 AM , By : Srđan Lazić
difference between java.util.Scanner input = new Scanner () and import Scanner in main class
difference between java.util.Scanner input = new Scanner () and import Scanner in main class
I wish this help you Both are same , if you have class names conflict ion you can use class with package name.
TAG : java
Date : November 22 2020, 11:05 AM , By : Igor Rajnjak
How to compare resultsets of two different databases?
How to compare resultsets of two different databases?
I hope this helps . ResultSet is a subclass of Object ultimately and we can compare two or more objects directly. A little specific to your question:
TAG : java
Date : November 22 2020, 11:05 AM , By : DoomJoshuaBoy
How do i replace "\" with "&#92;"
How do i replace "\" with "&#92;"
Does that help Use like bellow, You need escape Special characters
TAG : java
Date : November 22 2020, 11:05 AM , By : Mickey
Why is calling a function faster than not calling a function?
Why is calling a function faster than not calling a function?
I think the issue was by ths following , Writing a correct micro-benchmark is very time consuming and error prone. I would suggest doing micro-benchmarks only with an already available library like e.g. Caliper, that is specially designed for doing j
TAG : java
Date : November 22 2020, 11:05 AM , By : sam
Change image button on hold
Change image button on hold
To fix this issue I want to change image of an Image Button on hold and change it back on release. Here is my primary code help to edit this. xml codes: , You just need to set selector of button in your layout file.
TAG : java
Date : November 22 2020, 11:05 AM , By : Peter Dando
@SuppressWarnings annotation not recognized by compiler/text editor
@SuppressWarnings annotation not recognized by compiler/text editor
I hope this helps . The annotation is not recognized by your editor because your editor doesn't have that functionality. Notepad++ has very basic syntax highlighting based on keywords and that's pretty much it. It has no compiler to know what @Suppre
TAG : java
Date : November 22 2020, 11:05 AM , By : Orla
Is there any rules-engine in Apache ACE to skip UI actions: register target, install distribution?
Is there any rules-engine in Apache ACE to skip UI actions: register target, install distribution?
wish helps you Associations in Apache ACE allow you to create many to many relations between artifacts, features, distributions and targets using filter expressions.If you use the Web UI, you create associations whenever you drag and drop between any
TAG : java
Date : November 22 2020, 11:05 AM , By : Demonoid
Java to json String ignore null values
Java to json String ignore null values
I hope this helps you . Honestly, I really wouldn't spend time on making a payload "look nice". Now if you said that you were motivated to keep the payload small for efficiency reasons I'd buy that. Perhaps you use Jackson for serialising to JSON as
TAG : java
Date : November 22 2020, 11:05 AM , By : WINGS OF FIRE
Why logic and routing via catch block an bad idea?
Why logic and routing via catch block an bad idea?
wish help you to fix your issue I'm not clear what the code in your exception handler actually does. Setting values in the request? But I'm guessing that indeed it does result in error messages in the GUI.As you say, if you need to catch an exception
TAG : java
Date : November 22 2020, 11:02 AM , By : otacxxl
GWT JSON Parse is removing \ character
GWT JSON Parse is removing \ character
I think the issue was by ths following , The JSON specification states
TAG : java
Date : November 22 2020, 11:02 AM , By : anonymir
java String with delimiter
java String with delimiter
this one helps. I want to split a String by delimiter "|" in Java and get the String array, here is my code: , The split() method has a secret, optional 2nd parameter!
TAG : java
Date : November 22 2020, 11:02 AM , By : Isra Mustfa
How to add ArrayList to the GWT ListBox
How to add ArrayList to the GWT ListBox
wish helps you I have an arrayList as: , You can use the following code:
TAG : java
Date : November 22 2020, 11:02 AM , By : windigo000
Stream - Reset vs Allocating a new stream?
Stream - Reset vs Allocating a new stream?
I hope this helps you . I did a performance test on this and the latter is a bit faster than the former. If you need to have a faster code execution, reset the stream instead of creating a new one in a while loop.
TAG : java
Date : November 22 2020, 11:02 AM , By : Aditya Prayogo
Add/Remove/Modify test elements in in the current running test plan in jmeter programatically
Add/Remove/Modify test elements in in the current running test plan in jmeter programatically
Hope that helps I'm developing a JMeter plugin which takes response of corresponding request and parse. , At last I got the answer to add an element,
TAG : java
Date : November 22 2020, 11:02 AM , By : Gaurav chauhan

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