2016-03-19 18:53
To search by keywords for a command, setting, shortcut, etc, and execute it:Command + Shift + ATo maximize or full screen (useful when reading long lines). You can also use the same sh… Read More
Blog Directory > Internet Blogs > Java How To ... internet Blog >
Java How To ... Blog
javahowto.blogspot.com
Tags:
hellojava
public class
properties
diff
hellojava hellojava
hellojava hellojava hellojava
thread
encoding
property
jdk poolthread prio
2016-03-19 18:53
This is the simple test to show the values of properties when loading from a properties file. It tries to answer some common questions about properties value: Do I need to trim whitespaces f… Read More
2016-03-19 18:53
This is the error from running a webapp deployed to appserver:java.lang.NoSuchMethodError: javax.xml.parsers.DocumentBuilderFactory.newInstance(Ljava/lang/String;Ljava/lang/ClassLoader;)Ljav… Read More
2016-03-19 18:53
You need to create a new file with a file URI like file:/tmp/a.txt, but had this error:java.io.IOException: No such file or directory at java.io.UnixFileSystem.createFileExclusively(Native M… Read More
2016-03-02 19:27
When writing javadocs, IntelliJ automatically adds a closing tag for html elements. For instance, after typing <lt>, it automaticaly adds </lt>, or after typing <p>, it add… Read More
2014-10-28 15:21
4 diff tools that can be executed from command line: diff (/usr/bin/diff): pure CLI with text output, available in any terminals: /tmp > diff Hello.java Hello2.java1c1< public class He… Read More
2014-10-28 15:21
4 diff tools that can be executed from command line: diff (/usr/bin/diff): pure CLI with text output, available in any terminals: /tmp > diff Hello.java Hello2.java1c1< public class He… Read More
2014-07-24 13:01
java.util.Properties class (see Java SE 7 Javadoc) by default assumes ISO 8859-1 character encoding in reading and writing. So when a properties file is in other character encoding, you wil… Read More
2012-12-11 03:31
When analysing a thead dump, if the thread is created with a custom thread name, we can easily trace it to where the thread pool is created by the unique thread name.Otherwise, we will have… Read More
2012-12-04 12:54
The following java test app runs and terminates normally on Unix but hangs on Windows. import java.util.concurrent.*;public class ThreadPoolTest { private static ExecutorService es = Exec… Read More
2012-10-13 01:59
These are the steps to configure hprof profiler in GlassFish 3.x:1, Identify the target JVM to profile. In most cases, it's the domain administration (DAS) JVM, but it can be other JVM… Read More
2012-10-13 01:57
These are the steps to configure hprof profiler in JBoss AS 7.x:1, Identify the target JVM to profile. In most cases, it's the standalone server JVM, but it can be other JVM such as do… Read More
2012-10-09 03:03
A rough comparison of GlassFish 3.x CLI and JBoss AS 7 CLI commands: TasksGlassFish 3.xJBoss AS 7List all available commandsasadmin list-commandsjboss-cli.sh -c "help --commands"Display hel… Read More
2012-10-03 17:10
JBoss AS7 is secured by default, which means you will have to create users before accessing services and components, such as admin console and remote EJB. $JBOSS_HOME/bin/add-user.sh, o… Read More
2012-10-03 01:51
Option 1, when the server is stopped, add to $JBOSS_HOME/standalone/configuration/standalone.xml, after the <extensions> element:<system-properties> <property name="season"… Read More
2012-09-30 02:47
In other Java application servers and previous versions of JBoss AS, there is the concept of common lib, where users can put shared libraries for use by all deployed apps. How to achieve the… Read More
2012-09-25 02:09
To start standalone server with the default server config (standalone.xml):$JBOSS_HOME/bin/standalone.shTo start standalone server on custom, non-default port numbers, using offset=1, 2, 3… Read More
2012-09-24 03:01
I want to use ant to control deploy and undeploy apps to JBoss AS 7 in a simple test. I know I could just have ant copy the WAR, jar, or EAR files to $JBOSS_HOME/standalone/deployments dire… Read More
2012-09-13 20:39
Type (class/interface) visibility can be managed at three levels:1, at Java language level, a type can be declared as either public, private, or package private. A public type is visible gl… Read More
2012-09-12 01:50
Jandex is a tool that processes Java annotations within a directory or jar file, and saves the resulting metadata in an index file. This is similar to what a jar file index is to a classload… Read More
2012-07-23 12:59
GlassFish asadmin multimode command runs a series of asadmin subcommands within one single session. The --file option takes a file containing the list of subcommands.In the following exampl… Read More
2012-06-07 18:22
When we create or refactor a method, we find some input data is needed for the method to do its job. What are the various options to acquire these dependency? I just went through a major c… Read More
2012-06-04 02:22
This post demonstrates how to call a remote EJB deployed to JBoss AS 7.1.1 standalone server from an application deployed to GlassFish 3.1.x. It is similar to the standalone Java client con… Read More
2012-05-16 02:02
In previous post, Standalone Java Client for JBoss AS 7.1.1, I showed a hand-written project of standalone client in JBoss AS 7. In this post, I will rewrite it as a maven project with JUni… Read More
2012-05-12 13:14
In this previous post, I created a sample Java standalone client connecting to JBoss AS 5 & 6. Now let's look at how to do it in JBoss AS 7.1.1.This sample application consists of a sta… Read More
2012-05-07 01:52
2 main usages of java.lang.ThreadLocal variables:Vertical sharing: sharing and propagation of contextual data through the entire processing cycle. This is similar to http request attributes… Read More
Subscribe to Java How To ...
Get updates delivered right to your inbox!