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JAVA QUESTIONS

JAXB Binding Exception
JAXB Binding Exception
like below fixes the issue I would guess that you're running XJC under Java6, and have the jaxb-api.jar on your classpath. The classes from the Java6 runtime are clashing with the classes in jaxb-api.jar. Remove the JAR from the classpath, that shoul
TAG : java
Date : October 27 2020, 03:37 PM , By : Naveen
How to fix java.net.SocketException: Broken pipe?
How to fix java.net.SocketException: Broken pipe?
seems to work fine This is caused by: most usually, writing to a connection when the other end has already closed it; less usually, the peer closing the connection without reading all the data that is already pending at his end.
TAG : java
Date : October 27 2020, 03:37 PM , By : user3847956
Manual object serialization in Java
Manual object serialization in Java
wish help you to fix your issue Since you don't want (for some reason) to use Java serialization, you can use XML serialization. The simplest way is via XStream:
TAG : java
Date : October 27 2020, 03:37 PM , By : user3847942
JAXB: Unmarshalling does not always populate certain classes?
JAXB: Unmarshalling does not always populate certain classes?
may help you . Not a bad idea, but note the following: according to your schema, it is perfectly legal that your "Wrapper" element has no content. It contains a choice of optional items.Secondly, you may not have schema validation on; then JAXB will
TAG : java
Date : October 27 2020, 03:37 PM , By : user3847924
How do you save your Activity's state when exiting? Android
How do you save your Activity's state when exiting? Android
hop of those help? In your acticity override onSaveInstanceState and onRestoreInstanceState. These methods will allow you to save data into a Bundle You can also save data to Preferences. In all of my applications I override both onSaveInstanceState
TAG : java
Date : October 27 2020, 03:37 PM , By : jina
reload java applet
reload java applet
help you fix your problem Go to the Java control panel and clear the Java caches*. The Java plugin does not use your browser for downloading Jar files.*: Temporary internet files - configuration - delete files
TAG : java
Date : October 27 2020, 03:37 PM , By : user3847897
How can tokenize this string in java?
How can tokenize this string in java?
wish help you to fix your issue You could use StringTokenizer(String str, String delim, boolean returnDelims), with the operators as delimiters. This way, at least get each token individually (including the delimiters). You could then determine what
TAG : java
Date : October 27 2020, 03:37 PM , By : Richo1337
GWT DatePicker Locale
GWT DatePicker Locale
hope this fix your issue Here is a datepicker widget for gwt that handle locale.The demo for italian locale.
TAG : java
Date : October 26 2020, 11:52 AM , By : user3848101
How would you design a twitter like message system, how to design the messaging system?
How would you design a twitter like message system, how to design the messaging system?
around this issue The High Scalability blog has a number of articles on twitter and it's infrastructure and changes over time that might interest you.
TAG : java
Date : October 26 2020, 11:52 AM , By : michal
Is there a robust java.util.logging handler implementation of syslog?
Is there a robust java.util.logging handler implementation of syslog?
hope this fix your issue SLF4J has a bridge for passing java.util.logging events to SLF4J (and hence to log4j or logback) that you could use. It has a performance cost (see the link) but given your load, this shouldn't be a big deal. So you could the
TAG : java
Date : October 26 2020, 11:52 AM , By : user3848070
Aligning messageformat on printing a JTable
Aligning messageformat on printing a JTable
Does that help You might look at this CustomTablePrintable. You feed it your table's unadorned getPrintable() result. In your PrinterJob, the custom print() will image the table and then draw your footer in the same graphics context. You can use the
TAG : java
Date : October 26 2020, 11:52 AM , By : KJP
SXXP0003: Error reported by XML parser: Content is not allowed in prolog
SXXP0003: Error reported by XML parser: Content is not allowed in prolog
wish help you to fix your issue Your XML starts with a byte-order mark in UTF-8 (0xEF,0xBB,0xBF), which isn't visible. Try opening your file with a hex editor and have a look. Many text editors under Windows like to insert this at the start of UTF-8
TAG : java
Date : October 26 2020, 11:52 AM , By : tim
ehcache LRU evicting recently used entries
ehcache LRU evicting recently used entries
this one helps. i guess i found the cause. some time ago i upgraded ehcache from 1.6.xx to 1.7.xx. i didn't noticed that they changed implementation of evicting algorithm. now it works as follows: select random 15 keys(!, they use some heuristics, bu
TAG : java
Date : October 26 2020, 11:52 AM , By : mc1100
java cosine similarity problem
java cosine similarity problem
wish help you to fix your issue I'm not sure of your implementation but the cosine distance of two vectors is equal to the normalized dot product of those vectors.The dot product of two matrix can be expressed as a . b = aTb. As a result if the matri
TAG : java
Date : October 26 2020, 11:51 AM , By : user3848302
Efficient way to implement a client multiple file upload service
Efficient way to implement a client multiple file upload service
this one helps. If you're looking to do multiple file uploads on the web, I would strongly recommend SWFUpload. It's totally customizable, and it can use whatever back end technology you'd like. Take a look at some of the demos on the site for some u
TAG : java
Date : October 26 2020, 11:51 AM , By : konzy
Regarding Object Comparison
Regarding Object Comparison
This might help you You need to implement the equals() and hashCode() methods to implement object equality in Java:
TAG : java
Date : October 26 2020, 11:51 AM , By : user220198
How to embed IE in Swing application?
How to embed IE in Swing application?
may help you . DJ Native Swing does that. I've used its JWebBrowser component and it worked well. You will have to bundle your app with the SWT libraries though.
TAG : java
Date : October 26 2020, 11:51 AM , By : user3848292
Using javax.tools.ToolProvider from a custom classloader?
Using javax.tools.ToolProvider from a custom classloader?
help you fix your problem I had exactly the same problem. I'm using a custom ant task to scan the AST for certain kinds of method invocations. My solution, which may not be appropriate for you, was to instantiate the compiler myself instead of using
TAG : java
Date : October 26 2020, 11:51 AM , By : SpeedKnight
What is the difference between i++ & ++i in a for loop?
What is the difference between i++ & ++i in a for loop?
With these it helps They both increment the number. ++i is equivalent to i = i + 1.i++ and ++i are very similar but not exactly the same. Both increment the number, but ++i increments the number before the current expression is evaluted, whereas i++
TAG : java
Date : October 26 2020, 11:51 AM , By : Munirathnam
Match a java main class with regexp
Match a java main class with regexp
I wish did fix the issue. The main class in Java does not have to have any particular name. In fact, a Java project can have several main classes, all with different names.
TAG : java
Date : October 26 2020, 11:51 AM , By : user3848279
Confluence Persistence
Confluence Persistence
should help you out Hopefully this link can help you on the various options on how to persist data in Confluence: http://confluence.atlassian.com/display/CONFDEV/Persistence+in+Confluence Sherif
TAG : java
Date : October 26 2020, 11:51 AM , By : hkdn
Is there a way for a SecurityManager in java to selectively grant ReflectPermission("suppressAccessChecks")?
Is there a way for a SecurityManager in java to selectively grant ReflectPermission("suppressAccessChecks")?
hop of those help? Maybe looking at the call stack would be enough for your purposes? Something like:
TAG : java
Date : October 26 2020, 11:51 AM , By : Adnan Ali
Using the camera activity in Android
Using the camera activity in Android
Any of those help If you want to get the image back in its full glory, pass in a uri to the Intent within the EXTRA_OUTPUT extra. If you're fine with a smallish bitmap (and you should be), just call the intent as normal.Now you have two options, deal
TAG : java
Date : October 26 2020, 11:51 AM , By : OttoBunge
Is communication in java rmi secure?
Is communication in java rmi secure?
wish help you to fix your issue Encoded, yes. Encrypted, no.JERI for JINI gives JRMP (the RMI protocol) over SSL, IIRC.
TAG : java
Date : October 26 2020, 11:51 AM , By : Gary Clink
Java - how to make "runnable" JTable?
Java - how to make "runnable" JTable?
this will help If you are using Swing and want to perform an action on a time interval, you should use a swing timer, as described in the tutorial.Translating your loop into a sequence of calls to actionPerformed, you get:
TAG : java
Date : October 26 2020, 11:51 AM , By : Emsa
How can I write a Java program to draw a box, an oval, and an arrow?
How can I write a Java program to draw a box, an oval, and an arrow?
Any of those help You'll find what you're looking for in the Java 2D Graphics Tutorial. The section on Drawing Geometric Primitives shows how to draw rectangles and ovals, and you should be able to put an arrow together after reading the Drawing Arbi
TAG : java
Date : October 26 2020, 11:51 AM , By : fularon
What is the difference between ServletRequest's getRemoteHost() and getServerName()
What is the difference between ServletRequest's getRemoteHost() and getServerName()
should help you out getRemoteHost returns the name of the client that sent the request, while getServerName returns the name of the server that received the request.It might be the same results in your local tests if you are using two machines on the
TAG : java
Date : October 26 2020, 11:51 AM , By : user3848166
java sparse matrix problem
java sparse matrix problem
Does that help Jama is awful for large sparse matrices. Have a look at the Colt linear algebra library.
TAG : java
Date : October 26 2020, 11:51 AM , By : Pramod yadav
ClassCastException when using HQL
ClassCastException when using HQL
wish helps you If you don't know which it will be (Integer or Long), you can cast to Number and call intValue() or longValue(). This way an Integer or a Long will work.
TAG : java
Date : October 25 2020, 07:29 PM , By : pffred
how to generate a csv file through java code
how to generate a csv file through java code
like below fixes the issue Don't do it in Java. Any decent database already provides builtin facilities for this. It won't be any more efficient in Java than the DB does. Just consult its documentation for export facilities. As you didn't mention whi
TAG : java
Date : October 25 2020, 07:29 PM , By : eddallen
Netbeans + tomcat on Ubuntu
Netbeans + tomcat on Ubuntu
With these it helps To enable the Servers item, go Tools > Plugins and install the Java Web Applications plugin (or even the whole Java Web and EE category) first. Then, to integrate NetBeans with Tomcat, follow these instructions.
TAG : java
Date : October 25 2020, 07:29 PM , By : lan
How to connect to a remote MySQL database with Java?
How to connect to a remote MySQL database with Java?
fixed the issue. Will look into that further Just supply the IP / hostname of the remote machine in your database connection string, instead of localhost. For example:
TAG : java
Date : October 25 2020, 07:29 PM , By : user3848425
System Event Handling using Java
System Event Handling using Java
I think the issue was by ths following , I want to handle the system events through java program. , Try writing appropriate driver in C/C++ and invoke it via JNI.
TAG : java
Date : October 25 2020, 07:29 PM , By : user3848407
How to change Ant script with EMMA code-coverage so it can find runtime coverage data?
How to change Ant script with EMMA code-coverage so it can find runtime coverage data?
Any of those help It looks like you're picking up the non-instrumented classes.Could be because the classpath in your junit task has the compiled classes (build/classes) ahead of the instrumented (build/instrumented). Maybe reverse these in that clas
TAG : java
Date : October 25 2020, 07:29 PM , By : rajkumar gr
Java bytecode iconst_0 iadd sequence
Java bytecode iconst_0 iadd sequence
it helps some times One thing to keep in mind is that javac (the Java Source code to byte code compiler) is not an optimizing compiler. In fact it is relatively simple in its code generation and only produces the most straight-forward byte-code imple
TAG : java
Date : October 25 2020, 07:29 PM , By : Sameer
get the size of a list in a property
get the size of a list in a property
wish helps you Is it possible to map a count query with a single property in the hibernate mapping?
TAG : java
Date : October 25 2020, 07:29 PM , By : Zdenek
I want to convert a resultset to a string. I have tried everything but it always gives no data found. Please provide som
I want to convert a resultset to a string. I have tried everything but it always gives no data found. Please provide som
wish helps you I want to convert a ResultSet to a string. I have tried everything but it always gives no data found. Please provide some solution , Try this:
TAG : java
Date : October 25 2020, 07:29 PM , By : absinthe
How can i sort java JTable with an empty Row and force the Empty row always be last?
How can i sort java JTable with an empty Row and force the Empty row always be last?
this one helps. I gave this a try, and I think I found a solution.Instead of creating that empty row in the TableModel, I fake it in the JTable, and only create it when the user actually enters some data.
TAG : java
Date : October 25 2020, 07:29 PM , By : user3848331
How can I mount network drive in Mac OS X on Java?
How can I mount network drive in Mac OS X on Java?
I hope this helps . If it is a afp-volume that you have to mount, the code looks like this:
TAG : java
Date : October 25 2020, 07:29 PM , By : Masud Rahman
XStream: How do I map xml mixed attributes and elements to POJOs?
XStream: How do I map xml mixed attributes and elements to POJOs?
may help you . Annotate your class like so (check http://x-stream.github.io/annotations-tutorial.html for details):
TAG : java
Date : October 25 2020, 12:12 PM , By : Ciprian Cucu
begin with java voip
begin with java voip
I wish did fix the issue. You might look at hosted voice platforms. There's VoiceXML (see http://vxml.org/ for docs and tutorials) and numerous VoiceXML hosts, including my employer, Voxeo ( http://voxeo.com/ ).There's also Adhearsion, a programming
TAG : java
Date : October 25 2020, 12:12 PM , By : user3848581
java: Preferences API vs. Apache Commons Configuration
java: Preferences API vs. Apache Commons Configuration
This might help you Well, commons-configuration is, like many of apache project, an abstraction layer allowing one to seemlessly use preferences, an ldap store, properties files, and so on. So, your question could be rewritten as is : Will you need t
TAG : java
Date : October 25 2020, 12:12 PM , By : pankaj balani
Howto distinguish Application Quit from System Shutdown
Howto distinguish Application Quit from System Shutdown
help you fix your problem For application quit, add a listener and use windowClosed event on the main window.For system quit, you can use addShutdownHook.
TAG : java
Date : October 25 2020, 12:12 PM , By : Randy
How to go about with real GUI development with Java Swing and MVC
How to go about with real GUI development with Java Swing and MVC
To fix this issue It took me ages to learn MVC (I got taught incorrect things about it in university, and additionally a lot of online sources at the time were wrong about it). Anyway, the core of you need to do is not have any view information in yo
TAG : java
Date : October 25 2020, 12:12 PM , By : user3848555
VB support in Java 6?
VB support in Java 6?
seems to work fine Don't believe everything you read on Wikipedia.There are plenty of languages that run in the JVM: Groovy, Jython, JavaScript (Rhino), JRuby. Does this mean Java has "support for Ruby"? Depends on your perspective I guess.
TAG : java
Date : October 25 2020, 12:12 PM , By : dhanasekar
How to use jar files without package information?
How to use jar files without package information?
will be helpful for those in need To mention something that relates more to the title of the question: In Java, you can't access classes in the default package from code within a named package.This means, if the classes in your jar file do not belong
TAG : java
Date : October 25 2020, 12:12 PM , By : Phạm Thế Anh
how to inherit Constructor from super class to sub class
how to inherit Constructor from super class to sub class
it fixes the issue Constructors are not inherited, you must create a new, identically prototyped constructor in the subclass that maps to its matching constructor in the superclass.Here is an example of how this works:
TAG : java
Date : October 25 2020, 12:12 PM , By : Raja Zahid Hussain K
Multidimensional arrays in Java extends which class?
Multidimensional arrays in Java extends which class?
Hope that helps A multidimensional array in Java is really just an array of arrays (of arrays)* .Also, arrays are considered subclasses of Object.
TAG : java
Date : October 25 2020, 12:12 PM , By : user3848508
Connect to ibm mq with jms . Specify the channel and queue manager
Connect to ibm mq with jms . Specify the channel and queue manager
like below fixes the issue Here's an example from the IBM website about how to setup Websphere Application Server (WAS) to use MQ as the mechanism for JMS.http://www.ibm.com/developerworks/websphere/techjournal/0505_woolf/0505_woolf.html
TAG : java
Date : October 25 2020, 12:12 PM , By : user3848479
Accessing the implicit objects from a JSP EL function
Accessing the implicit objects from a JSP EL function
I hope this helps . You can access the "implicit" objects only if you provide for stashing them (via a filter or something) as thread local variables. Then you can write some utility classes to go get them from whatever context makes sense. Some fram
TAG : java
Date : October 25 2020, 12:12 PM , By : nanda
Find current heap size with jmap
Find current heap size with jmap
this one helps. if you are trying to compare to something like jconsole or jvisualvm with the main window displaying 'total heap usage' I found out that by adding 'used eden space' and 'used ps old generation space' I got the equivalent of what that
TAG : java
Date : October 25 2020, 12:12 AM , By : Mustafa Elec
Why doesn't Java have compound assignment versions of the conditional-and and conditional-or operators? (&&=, ||
Why doesn't Java have compound assignment versions of the conditional-and and conditional-or operators? (&&=, ||
I wish did fix the issue. Reason The operators = and ||= are not available on Java because for most of the developers these operators are:
TAG : java
Date : October 25 2020, 12:12 AM , By : Sói Gian Ác
What is the best way to manage configuration data
What is the best way to manage configuration data
this one helps. Using commons-configuration you have a unified API for accessing the properties, no matter how they are represented - .properties, xml, JNDI, etc. For example:config.properties:
TAG : java
Date : October 25 2020, 12:12 AM , By : user3848716
commons fileUpload: specifying an upload directory within Webapplication context
commons fileUpload: specifying an upload directory within Webapplication context
will be helpful for those in need I'd like to know how to specify an upload directory preferably a relative path to a directory under my WEB-CONTENT directory where I'd like to store uploaded files: I get an error when I specify the upload be store a
TAG : java
Date : October 25 2020, 12:12 AM , By : user3848715
ModelAttributes not accessible on jsp
ModelAttributes not accessible on jsp
To fix the issue you can do I'm quoting from an answer I provided before to the problem of EL not working:
TAG : java
Date : October 25 2020, 12:12 AM , By : shanu
Session management between thick client and server?
Session management between thick client and server?
I hope this helps . Since you're leaning toward web services (it sounds like you are) I'd think about taking the user information from your rich client (I assume user ID and password), using WS-Security to send the encrypted info to a web service, an
TAG : java
Date : October 24 2020, 11:12 AM , By : UnexpectedOrb12
Oracle JDBC intermittent Connection Issue
Oracle JDBC intermittent Connection Issue
Does that help There is a solution provided to this problem in some of the OTN forums (https://kr.forums.oracle.com/forums/thread.jspa?messageID=3699989). But, the root cause of the problem is not explained. Following is my attempt to explain the roo
TAG : java
Date : October 24 2020, 11:12 AM , By : Phil Mitchell
No mapping for LONGVARCHAR in Hibernate 3.2
No mapping for LONGVARCHAR in Hibernate 3.2
it should still fix some issue I am running Hibernate 3.2.0 with MySQL 5.1. After updating the group_concat_max_len in MySQL (because of a group_concat query that was exceeding the default value), I got the following exception when executing a SQLQue
TAG : java
Date : October 24 2020, 11:12 AM , By : Aleks Dogadaev
A Packet Blocker Software
A Packet Blocker Software
hope this fix your issue This kind of thing is normally done using a separate firewall (e.g. in a router or gateway box) or firewall software running on one or both of the client machines.This is not the sort of thing that it is sensible to implement
TAG : java
Date : October 24 2020, 11:12 AM , By : isaac
Anyone using Django in the "Enterprise"
Anyone using Django in the "Enterprise"
Hope that helps Is this what you're looking for?http://code.djangoproject.com/wiki/DjangoSuccessStories
TAG : java
Date : October 24 2020, 11:12 AM , By : vmmb

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