Spring has a very handy convenience class called PropertyPlaceholderConfigurer, which takes a standard .properties file and injects values from it into your bean.xml config. Does anyone know of a class which does exactly the same thing, and integrates with Spring in the same way, but accepts XML files for the config. Specifically, I'm t...
Hi, I am new to Documentum. I am creating a stand alone java application that needs to connect to a documentum instance (5.3). How would I go about connecting to the instance? ...
Whenever we run our Java client from within Eclipse to contact a server app using RMI, we get an exception: java.io.StreamCorruptedException: invalid type code: 01 This only happens from within Eclipse, nowhere else (IntelliJ, command line, etc.). Does anyone know what's going on? ...
Im trying to improve the Java Html Document a little but i'm running into problems with the HttpUrlConntion. One thing is that some servers block a request if the user agent is a Java VM. Another problem is that the HttpUrlConnection does not set the Referrer or Location header field. Since several sites use these fields to verify that t...
In Swing, is there a way to define mouseover text (or tool tip text) for each item in a JComboBox? ...
I'm trying to run this JPQL query: SELECT DISTINCT i FROM Table i JOIN i.other o which promptly fails with: "Internal Exception: java.sql.SQLException: Columns of type 'BLOB' may not be used in CREATE INDEX, ORDER BY, GROUP BY, UNION, INTERSECT, EXCEPT or DISTINCT statements because comparisons are not supported for that type." This...
I want to be able to launch a Java server process from an existing java application and monitor the stdoutput and stderror and redirect that output to a file. Is the best approach to use 'Runtime.exec' and treat the app like any other OS process or is there something more suited for new JVMs. This is on Java 1.5 ...
I apologise in advance for something I'm expecting is a horrifyingly noob-question. I decided to try out developing web-applications in Java, using IBM's WAS-CE platform. I've never worked with this platform before, nor any other platforms for running Java web applications (I've been using php for all my web projects). Now, I downloade...
I'm using reflection to add some data to a private variable inside a class from a third-party library. Along the way there are about four different Exceptions that can be thrown; all of them are related to reflection, and all of them are very unlikely to occur. I'm hardcoding the name of the class and variable involved. I'm unlikely t...
If I have a class org.foobar.MyClass and want to put it in a JAR file, do I have to put it in the JAR's /org/foobar/ directory, or can I put it in /bin/org/foobar/ and somehow specify /bin/ as classpath inside the JAR itself? ...
Given the code: new Thread(new BackgroundWorker()).start(); Intuitively it feels like the BackgroundWorker instance should be safe from GC until the thread exits, but is this the case ? And why ? Edit: All this heat is basically generated by me asking at least two different questions in the same post. The question in the title has...
Hi, Newbie here...can I write one program which incorporates .NET LINQ and also various Java frameworks in the same scala program? Or when I compile, at that time the decision is made either one or the other, .NET or Java Thanks. ...
Does anyone know why java.lang.Number does not implement Comparable? This means that you cannot sort Numbers with Collections.sort which seems to me a little strange. Post discussion update: Thanks for all the helpful responses. I ended up doing some more research about this topic. The simplest explanation for why java.lang.Number do...
In other answers at Stackoverflow it's been suggested that Weka is good, but there are others (Classifier4j, jBNC, Naiban). Does anyone have actual experience with these? ...
Does anyone know if there's a way to get Eclipse to do a "Save all" before building java code? (I don't use the "Build automatically" option, I'm talking when you use "Ctrl+B" to do a build all) I've dug thru the preferences, and can't seem to find anything, so I figured I'd check the hive mind at Stack Overflow just in case. I'm usin...
I currently posses a List of Objects(Using Java 1.3), and let's say that I wanted to cast one of the Objects returned from list.get(i) to a type of which I only know the name of the Class as a String. Essentially, how do I Object o = (classname)list.get(i); where className is a String variable of a className. I thought that I could use...
We have a static method in a utility class that will download a file from a URL. An authenticator has been set up so that if a username and password is required, the credentials can be retrieved. The problem is that the credentials from the first successful connection are used for every connection afterwords, as long as the credentials...
Hi This should be easy for a pro: I am using JSF/Facelets/Seam and am trying to display radiobuttons. Then, after the user has clicked on one of the buttons, the value should be saved and the user redirected to another page immediately (i.e. with no needed click on a submit button). The radio button works, but not the forwarding. Tha...
Under what circumstances is an enum more appropriate than, for example, a Collection that guarantees unique elements (an implementer of java.util.Set, I guess...)? (This is kind of a follow up from my previous question) Thanks! ...
I need to write the code that would format the value according to the specified options. Right now there is several formatting options that can be chosen: rounding/truncating the number with the specified precision, added prefix (e.g $) or postfix (e.g. %), grouping thousands (applying commas), adding numeric abbreviations (KMB). So e....