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  • Spring MVC absolute URL problem

    - by Umar
    Background I am developing an application (with Spring MVC) with its base path as: http://localhost:8080/myapplication/ I have a stylesheet /css/style.css that I am trying to refer with absolute path in a JSP as: <link rel="stylesheet" href="/css/style.css" type="text/css" media="screen, projection"> Problem The stylesheet never loads in the browser. When I follow the stylesheet link through browser's view source feature, the link appears to be: http://localhost:8080/css/style.css Which should have had been: http://localhost:8080/myapplication/css/style.css I used to fix this issue with html:rewrite tag while working with Struts. Is there any equivalent tag/technique in Spring MVC? Thanks for your time.

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  • Class scope variable vs method scope variable

    - by Masud
    I know that variable scope is enclosed by a start of block { and an end of block }. If the same variable is declared within the block, then the compile error Variable already defined occurs. But take a look at following example. public class Test{ int x=0;// Class scope variable public void m(){ int x=9; //redeclaration of x is valid within the scope of same x. if(true){ int x=7; // but this redeclaration generates a compile time error. } } Here, x can be redeclared in a method, although it's already declared in the class. But in the if block, x can't be redeclared. Why is it that redeclaration of a class scope variable doesn't generate an error, but a method scope variable redeclaration generates an error?

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  • Finding the distance between 2 points in Android using Cursor and the distanceTo() method

    - by LordSnoutimus
    Hello, I am trying to calculate the distance between the first GPS point stored in a SQLite database and the last GPs point stored. My code so far is this: private double Distance() { SQLiteDatabase db1 = waypoints.getWritableDatabase(); Cursor cursor = db1.query(TABLE_NAME, FROM, null, null, null, null,ORDER_BY); Cursor cursor1 = db1.query(TABLE_NAME, FROM, null, null, null, null,ORDER_BY); Double lat = cursor.getDouble(2); Double lon = cursor.getDouble(1); cursor.moveToFirst(); cursor.moveToLast(); cursor.close(); distance = cursor.distanceTo(cursor1); } I realise I need to return a value but the error I am receiving is for the distanceTo method "The method distanceTo(Cursor) is undefined for the type Cursor" Thanks.

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  • javadoc and overloaded methods

    - by skrebbel
    Hi all, I'm developing an API with many identically named methods that just differ by signature, which I guess is fairly common. They all do the same thing, except that they initialize various values by defaults if the user does not want to specify. As a digestible example, consider public interface Forest { public Tree addTree(); public Tree addTree(int amountOfLeaves); public Tree addTree(int amountOfLeaves, Fruit fruitType); public Tree addTree(int amountOfLeaves, int height); public Tree addTree(int amountOfLeaves, Fruit fruitType, int height); } The essential action performed by all of these methods is the same; a tree is planted in the forest. Many important things users of my API need to know about adding trees hold for all these methods. Ideally, I would like to write one Javadoc block that is used by all methods: /** * Plants a new tree in the forest. Please note that it may take * up to 30 years for the tree to be fully grown. * * @param amountOfLeaves desired amount of leaves. Actual amount of * leaves at maturity may differ by up to 10%. * @param fruitType the desired type of fruit to be grown. No warranties * are given with respect to flavour. * @param height desired hight in centimeters. Actual hight may differ by * up to 15%. */ In my imagination, a tool could magically choose which of the @params apply to each of the methods, and thus generate good docs for all methods at once. With Javadoc, if I understand it correctly, all I can do is essentially copy&paste the same javadoc block five times, with only a slightly differing parameter list for each method. This sounds cumbersome to me, and is also difficult to maintain. Is there any way around that? Some extension to javadoc that has this kind of support? Or is there a good reason why this is not supported that I missed?

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  • Avoiding unsafe cast for generic situation involving runtime passing of class

    - by Bart van Heukelom
    public class AutoKeyMap<K,V> { public interface KeyGenerator<K> { public K generate(); } private KeyGenerator<K> generator; public AutoKeyMap(Class<K> keyType) { // WARNING: Unchecked cast from AutoKeyMap.IntKeyGen to AutoKeyMap.KeyGenerator<K> if (keyType == Integer.class) generator = (KeyGenerator<K>) new IntKeyGen(); else throw new RuntimeException("Cannot generate keys for " + keyType); } public void put(V value) { K key = generator.generate(); ... } private static class IntKeyGen implements KeyGenerator<Integer> { private final AtomicInteger ai = new AtomicInteger(1); @Override public Integer generate() { return ai.getAndIncrement(); } } } In the code sample above, what is the correct way to prevent the given warning, without adding a @SuppressWarnings, if any?

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  • log4j additivity, category logging level and appender threshold

    - by GBa
    I'm having troubles understanding the relation between additivity, category logging level and appender threshold... here's the scenario (my log4j.properties file): log4j.category.GeneralPurpose.classTypes=INFO, webAppLogger log4j.additivity.GeneralPurpose.classTypes=true log4j.category.GeneralPurpose=ERROR, defaultLogger log4j.additivity.GeneralPurpose=false log4j.appender.webAppLogger=org.apache.log4j.RollingFileAppender log4j.appender.webAppLogger.File=webapps/someWebApp/logs/webApp.log log4j.appender.webAppLogger.MaxFileSize=3000KB log4j.appender.webAppLogger.MaxBackupIndex=10 log4j.appender.webAppLogger.layout=org.apache.log4j.PatternLayout log4j.appender.webAppLogger.layout.ConversionPattern=%d [%t] (%F:%L) %-5p - %m%n log4j.appender.webAppLogger.Encoding=UTF-8 log4j.appender.defaultLogger=org.apache.log4j.RollingFileAppender log4j.appender.defaultLogger.File=logs/server.log log4j.appender.defaultLogger.MaxFileSize=3000KB log4j.appender.defaultLogger.MaxBackupIndex=10 log4j.appender.defaultLogger.layout=org.apache.log4j.PatternLayout log4j.appender.defaultLogger.layout.ConversionPattern=%d [%t] (%F:%L) %-5p - %m%n log4j.appender.defaultLogger.Encoding=UTF-8 insights: category GeneralPurpose.classTypes is INFO category GeneralPurpose.classTypes has additivity TRUE category GeneralPurpose is ERROR category GeneralPurpose has additivity FALSE with the current configuration I would have assumed that INFO messages sent to category GeneralPurpose.classTypes.* would be only logged to webAppLogger since the parent logger (cateogry) is set with ERROR level logging. However, this is not the case, the message is logged twice (one in each log file). Looks like the ERROR logging level for the parent category is not taken into consideration when the event is sent as part of additivity... is my observation correct or am I missing something ? how should I alter the configuration in order to achieve only ERROR level loggings in server.log ? thanks, GBa.

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  • RAD/Eclipse Eclipse Test and Performance Tools Platform, export data to text file

    - by Berlin Brown
    I am using the RAD (also on Eclipse) Test and Performance Monitoring. I monitor CPU performance time with it, on particular methods, etc. It is a good tool for my monitoring my applications but I can't copy/paste or export the output to a text file format. So I can send to the others. There has to be a way to export this? Also, I can save the output to file but it is '*.trcxml' binary file? has anyone seen a parser for this file format?

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  • specify query timeout when using toplink essential query hint

    - by yhzs8
    Hi, For glassfish v2, I have searched through the web and I cannot find anyway to specify query timeout when using TopLink essential query hint. We have another option to migrate to EclipseLink but that is not feasible. have tried the solution in http://forums.oracle.com/forums/thread.jspa?threadID=974732&tstart=-1 but it seems the DatabaseQuery which one could set a timeout value is actually for Toplink, not TopLink essential. Do we have some other way to instruct the JDBC driver for this timeout value other than the query hint? I need to do it on query-basis and not system-basis (which is just to change the value of DISTRIBUTED_LOCK_TIMEOUT)

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  • XStream JavaBeanConverter not serializing properties

    - by Steve Foster
    Hello All, Attempting to use XStream's JavaBeanConverter and running into an issue. Most likely I'm missng something simple, or not understanding XStream's converter handling well enough. @XStreamAlias("test") public class TestObject { private String foo; public String getFoo() { return foo; } public void setFoo(String foo) { this.foo = foo; } } public void test() throws Exception { XStream x = new XStream(new XppDriver()); x.autodetectAnnotations(true); x.processAnnotations(TestObject.class); x.registerConverter(new JavaBeanConverter(x.getMapper())); TestObject o = new TestObject(); o.setFoo("bar"); String xml = x.toXML(o); System.out.println(xml); /* Expecting... <test> <foo>bar</foo> </test> But instead getting... <test> <foo/> </test> */ } I tried adding a trace on the TestObject.getFoo() method and it appears it is being called by XStream, but the data isn't being written to the output stream. After looking at the source for JavaBeanConverter, it looks like my implementation should work, which leads me to believe I haven't configured something correctly during the XStream setup. Am I just missing something simple? Thanks! Edit Also, if it helps, I'm using the following Maven deps for this... <dependency> <groupId>org.apache.servicemix.bundles</groupId> <artifactId>org.apache.servicemix.bundles.xstream</artifactId> <version>1.3_3</version> </dependency> <dependency> <groupId>org.apache.servicemix.bundles</groupId> <artifactId>org.apache.servicemix.bundles.xpp3</artifactId> <version>1.1.4c_3</version> </dependency>

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  • Hibernate list operation question

    - by Sumit Kishore
    I'm working on a utility to update a list of entities in a database as a group. The database contains a list of entities. The result of the update is a new list. The API accepts this new list. The update may end up modifying some of the entities in the list, creating new ones and deleting some. So at the entity level, I may have to do any of an insert, delete or update operation. But it's always true that the final list in the database will be the same as the list passed down to the API. Is there in Hibernate a way to treat this operation at the list level, that is, tell Hibernate to persist this list of entities, and let it take care of which need to be created, updated or deleted? There is no entity/table representing this list, btw. Just the entities themselves in a table.

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  • Resizing and rotating an image in Android

    - by kingrichard2005
    I'm trying to rotate and resize an image in Android. The code I have is as follows, (taken from this tutorial): Bitmap originalSprite = BitmapFactory.decodeResource(getResources(), R.drawable.android); int orgHeight = a.getHeight(); int orgWidth = a.getWidth(); //Create manipulation matrix Matrix m = new Matrix(); // resize the bit map m.postScale(.25f, .25f); // rotate the Bitmap by the given angle m.postRotate(180); //Rotated bitmap Bitmap rotatedBitmap = Bitmap.createBitmap(originalSprite, 0, 0, orgWidth, orgHeight, m, true); return rotatedBitmap; The image seems to rotate just fine, but it doesn't scale like I expect it to. I've tried different values, but the image only gets more pixelized as I reduce the scale values, but remains that same size visually; whereas the goal I'm trying to achieve is to actually shrink it visually. I'm not sure what to do at this point, any help is appreciated.

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  • Why is my Tomcat 6 executor thread pool not being used by the connector?

    - by jwegan
    My server.xml looks like the following: <!--The connectors can use a shared executor, you can define one or more named thread pools--> <Executor name="tomcatThreadPool" namePrefix="catalina-exec-" maxThreads="200" minSpareThreads="4"/> <Connector executor="tomcatThreadPool" port="8080" protocol="HTTP/1.1" connectionTimeout="10000" maxKeepAliveRequests="1" redirectPort="8443" /> <Connector port="8009" protocol="AJP/1.3" redirectPort="8443" /> However, in the Tomcat manager (http://localhost/manager/status) it shows to following http-8080: Max threads: -1 Current thread count: -1 Current thread busy: -1 jk-8009: Max threads: 200 Current thread count: 4 Current thread busy: 1 For some reason it looks like http-8080 isn't using the executor even though it is directed too and jk-8009 is using the executor even though it isn't instructed to. Is the manager just misreporting or have I not setup the thread pool correctly?

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  • JFreeChart - Axis label positioning

    - by sardaukar
    I want the label of one of my axis to be two words, each aligned to the beginning and end of said axis - I've been doing this by inserting spaces in the Axis label, but it's a crappy solution. Is there a way to align label text for a JFreeChart chart? Thanks for any replies!

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  • @RunWith causes Maven to ignore my Test running with my own runner

    - by Benju
    I am moving from using only Intellij to manage my build system to Intellij/Maven. When I run my integration test "MapSimulationTest" with my own runner via @RunWith(KmlParameterizedRunner.class) Intellij correctly handles the situation, the directory specified by the system property "user.dir" is scanned for .kml files and each is tested. The problem seems to be that Surefire ignores @RunWith, any suggestions?

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  • Jmock mock DAO object

    - by Gandalf StormCrow
    Hi all, I wrote a method that retrieves certain list of strings, given a correct string key. Now when I create a list(the one to be retrieved by method descibed in previous sentence) and create test I can easily get results and test passes successfully. Now on the other hand if I save the content of this list to database in 2 columns, key and value I wrote a class which retrieves this items with method inside it. And when I print it out to console the expected results are correct, now I initialize my DAO from application context where inside its bean it gets session and because of DAO works. Now I'm trying to write a test which will mock the DAO, because I'm running test localy not on the server .. so I told jmock to mock it : private MyDAO myDAO; in the setup() myDAO = context.mock(MyDAO.class); I think I'm mocking it correctly or not, how can I mock this data from database? what is the best way? Is there somewhere good Jmock documentation? on their official site its not very good and clear, you have to know what you seek in order to find it, can't discover something cool in the mean time.

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  • JodaTime DateFormatter to display milliseconds if nonzero

    - by Mike
    I want to display a list of dates that may or may not have milliseconds on them. If a certain entry has milliseconds, then it should be displayed like yyyy MM dd HH:mm:ss.SSS. If it doesn't have the millis, I need it displayed as yyyy MM dd HH:mm:ss. I suppose the general question is: Is there a way to describe an optional format string parameter? (I'd like to avoid refactoring all of the places that I use formatters since this is a large code base.)

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  • Internationalization in a website

    - by bhardwaj
    Dear All, I m using ResourceBundle method getBundle(Propertyfilename,Local.languagename) class which returns an object of ResourceBundle of the local rb = ResourceBundle.get Bundle("Locale Strings", Locale.ARABIC);-Not Supported How can i use this to support arabic,band english.

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  • Spring Web MVC: Use same request mapping for request parameter and path variable

    - by ngeek
    Good people: is there a way to express that my Spring Web MVC controller method should be matched either by a request handing in a ID as part of the URI path ... @RequestMapping(method=RequestMethod.GET, value="campaigns/{id}") public String getCampaignDetails(Model model, @PathVariable("id") Long id) { ... or if the client sends in the ID as a HTTP request parameter in the style ... @RequestMapping(method=RequestMethod.GET, value="campaigns") public String getCampaignDetails(Model model, @RequestParam("id") Long id) { This seems to me a quite common real-world URL scheme where I don't want to add duplicate code, but I wasn't able to find an answer yet. Any advice highly welcome.

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  • VTD-XML Parsing Performance (speed critical factor). Requesting Feedback/Comments

    - by andreas
    Hello, I am about to use VTD-XML (found at http://vtd-xml.sourceforge.net/) but I am interested in getting real-case usage feedback, by any one that has used the library and has any comments. At the URL (http://vtd-xml.sourceforge.net/) there are benchmarks but if someone has used VTD-XML and has comments FOR it I would like to hear them. Speed is a critical factor in the application and comments after real-case usage, by developers, is what i am looking for. Regards,

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  • JPA 2.0 EclipseLink Check for unique

    - by Parhs
    Hello... I have a collumn as unique=true.. in Exam class.... I found that because transactions are commited automaticaly so to force the commit i use em.commit() However i would like to know how to check if it is unique.Running a query isnt a solution because it may be an instert after checking because of the concurency.... Which is the best way to check for uniqness? List<Exam_Normal> exam_normals = exam.getExam_Normal(); exam.setExam_Normal(null); try { em.persist(exam); em.flush(); Long i = 0L; if (exam_normals != null) { for (Exam_Normal e_n : exam_normals) { i++; e_n.setItem(i); e_n.setId(exam); em.persist(e_n); } } } catch (Exception e) { System.out.print("sfalma--"); } } d

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  • Eclipse BIRT: Problem with number of rows in a dataset

    - by Patrick
    Hello!:-) My new Problem is the following: An sql-query to a database (DB2) returns 1500 rows but BIRT shows me only 500 in the dataset-editior. To count them i used a computed column (Integer) with the following logic: Total.count(row["VPK"]) I'm using the RCP-Designer (BIRT 2.1.3). How can i get the other rows as well? Patrick

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