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  • eclipse tomcat debug mode slow - pegs cpu

    - by andersonbd1
    Running Tomcat through eclipse works fine in non-debug mode, but not in debug mode. When I try to start the Tomcat server in debug mode, the console output looks fine for a while, but then starts slowing down and eventually just stops, pegging the cpu at 100%. I don't think it's relevant, but just in case - here's the console output right about when it starts slowing down and eventually stopping (by stopping I mean no more console output, but still 100% cpu). 2009-09-02 14:35:30,859 INFO NONE org.springframework.context.weaving.DefaultContextLoadTimeWeaver:72 - Found Spring's JVM agent for instrumentation 2009-09-02 14:35:49,562 INFO NONE org.springframework.beans.factory.support.DefaultListableBeanFactory:414 - Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@ed889d: defining beans [... 2009-09-02 14:37:31,031 INFO NONE org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean:221 - Building JPA container EntityManagerFactory for persistence unit ... I tried everything I could think of to fix it: cleanesd tomcat working directory restarted eclipse restarted Windows refreshed/cleaned all projects I first had this problem last week using eclipse ganymede. I had been running fine in debug-mode for several months prior to this issue. I didn't make any significant changes to our project that would cause this. Eventually, I upgraded to eclipse galileo which solved my problem. Now 2 days later, I'm having the same problem in galileo. Like I said it works fine in non-debug mode. Any help is much appreciated. I should add that other things work in debug mode - for instance junit tests, so it is something specific to tomcat.

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  • posting nutch data into a BASIC auth secured Solr instance

    - by mlathe
    Hi. I've secured a solr instance using BASIC auth, kind of how it is shown here: http://blog.comtaste.com/2009/02/securing_your_solr_server_on_t.html Now i'm trying to update my batch processes to push data into the authenticated instance. The ones using "curl" are easy, but i also have a Nutch crawl that uses the "solrindex" command to push data into Solr. When i do that i get this error: 2010-02-22 12:09:28,226 INFO auth.AuthChallengeProcessor - basic authentication scheme selected 2010-02-22 12:09:28,229 INFO httpclient.HttpMethodDirector - No credentials available for BASIC 'Tomcat Manager Application'@ninja:5500 2010-02-22 12:09:28,236 WARN mapred.LocalJobRunner - job_local_0001 org.apache.solr.common.SolrException: Unauthorized Unauthorized request: http://ninja:5500/solr/foo/update?wt=javabin&version=2.2 at org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request(CommonsHttpSolrServer.java:343) at org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request(CommonsHttpSolrServer.java:183) at org.apache.solr.client.solrj.request.UpdateRequest.process(UpdateRequest.java:217) at org.apache.solr.client.solrj.SolrServer.add(SolrServer.java:48) at org.apache.nutch.indexer.solr.SolrWriter.close(SolrWriter.java:69) at org.apache.nutch.indexer.IndexerOutputFormat$1.close(IndexerOutputFormat.java:48) at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:447) at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:170) 2010-02-22 12:09:29,134 FATAL solr.SolrIndexer - SolrIndexer: java.io.IOException: Job failed! at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1232) at org.apache.nutch.indexer.solr.SolrIndexer.indexSolr(SolrIndexer.java:73) at org.apache.nutch.indexer.solr.SolrIndexer.run(SolrIndexer.java:95) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) at org.apache.nutch.indexer.solr.SolrIndexer.main(SolrIndexer.java:104) Apparently nutch uses SolrJ to push the content, and after going through the solrj code, it's clear that it uses commons-httpclient without providing a way to set the credentials. Here are my question(s) Is this possible to do? ie push from nutch into a BASIC auth secured Solr instance? Is it possible to tell commons-httpclient about a credential without explicitly doing an _httpclient.getState().setCredentials(...)? Anyother ideas? One idea i had was to use an IPfiltering Valve for just the "update" Solr webservices. That would mean you could only make an update call from certain nodes. Thanks

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  • What is the worst programming language you ever worked with? [closed]

    - by Ludwig Weinzierl
    If you have an interesting story to share, please post an answer, but do not abuse this question for bashing a language. We are programmers, and our primary tool is the programming language we use. While there is a lot of discussion about the best one, I'd like to hear your stories about the worst programming languages you ever worked with and I'd like to know exactly what annoyed you. I'd like to collect this stories partly to avoid common pitfalls while designing a language (especially a DSL) and partly to avoid quirky languages in the future in general. This question is not subjective. If a language supports only single character identifiers (see my own answer) this is bad in a non-debatable way. EDIT Some people have raised concerns that this question attracts trolls. Wading through all your answers made one thing clear. The large majority of answers is appropriate, useful and well written. UPDATE 2009-07-01 19:15 GMT The language overview is now complete, covering 103 different languages from 102 answers. I decided to be lax about what counts as a programming language and included anything reasonable. Thank you David for your comments on this. Here are all programming languages covered so far (alphabetical order, linked with answer, new entries in bold): ABAP, all 20th century languages, all drag and drop languages, all proprietary languages, APF, APL (1), AS400, Authorware, Autohotkey, BancaStar, BASIC, Bourne Shell, Brainfuck, C++, Centura Team Developer, Cobol (1), Cold Fusion, Coldfusion, CRM114, Crystal Syntax, CSS, Dataflex 2.3, DB/c DX, dbase II, DCL, Delphi IDE, Doors DXL, DOS batch (1), Excel Macro language, FileMaker, FOCUS, Forth, FORTRAN, FORTRAN 77, HTML, Illustra web blade, Informix 4th Generation Language, Informix Universal Server web blade, INTERCAL, Java, JavaScript (1), JCL (1), karol, LabTalk, Labview, Lingo, LISP, Logo, LOLCODE, LotusScript, m4, Magic II, Makefiles, MapBasic, MaxScript, Meditech Magic, MEL, mIRC Script, MS Access, MUMPS, Oberon, object extensions to C, Objective-C, OPS5, Oz, Perl (1), PHP, PL/SQL, PowerDynamo, PROGRESS 4GL, prova, PS-FOCUS, Python, Regular Expressions, RPG, RPG II, Scheme, ScriptMaker, sendmail.conf, Smalltalk, Smalltalk , SNOBOL, SpeedScript, Sybase PowerBuilder, Symbian C++, System RPL, TCL, TECO, The Visual Software Environment, Tiny praat, TransCAD, troff, uBasic, VB6 (1), VBScript (1), VDF4, Vimscript, Visual Basic (1), Visual C++, Visual Foxpro, VSE, Webspeed, XSLT The answers covering 80386 assembler, VB6 and VBScript have been removed.

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  • Error 404: No target servlet configured for uri

    - by Aman
    Hi Experts, I just got done with a new Web module built with Spring Framework. Till now I was testing all the pages on my local machine using Tomcat. Today after I moved the application to Websphere, I am getting the following error: Error 404: No target servlet configured for uri is there anything I need to do in web.xml or somewhere? I deployed an EAR file on my WAS , which has another war file. Below is the output I am seeing on the console, if thats any help. The resource WEB-INF/ibm-web-bnd.xmi that is defined in URI WEB-INF/ibm-web-bnd.xmi for module analytics.war is not valid. The resource has a cross reference org.eclipse.jst.j2ee.webapplication.internal.impl.WebAppImpl@4be44be4 (eProxyURI: WEB-INF/web.xml#WebApp_ID) that cannot be resolved. [6/17/09 15:24:49:465 CDT] 00000011 ArchiveDeploy W ADMA0091E: The resource WEB-INF/ibm-web-ext.xmi that is defined in URI WEB-INF/ibm-web-ext.xmi for module analytics.war is not valid. The resource has a cross reference org.eclipse.jst.j2ee.webapplication.internal.impl.WebAppImpl@7b7a7b7a (eProxyURI: WEB-INF/web.xml#WebApp_ID) that cannot be resolved.

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  • Tricky SQL query involving consecutive values

    - by Gabriel
    I need to perform a relatively easy to explain but (given my somewhat limited skills) hard to write SQL query. Assume we have a table similar to this one: exam_no | name | surname | result | date ---------+------+---------+--------+------------ 1 | John | Doe | PASS | 2012-01-01 1 | Ryan | Smith | FAIL | 2012-01-02 <-- 1 | Ann | Evans | PASS | 2012-01-03 1 | Mary | Lee | FAIL | 2012-01-04 ... | ... | ... | ... | ... 2 | John | Doe | FAIL | 2012-02-01 <-- 2 | Ryan | Smith | FAIL | 2012-02-02 2 | Ann | Evans | FAIL | 2012-02-03 2 | Mary | Lee | PASS | 2012-02-04 ... | ... | ... | ... | ... 3 | John | Doe | FAIL | 2012-03-01 3 | Ryan | Smith | FAIL | 2012-03-02 3 | Ann | Evans | PASS | 2012-03-03 3 | Mary | Lee | FAIL | 2012-03-04 <-- Note that exam_no and date aren't necessarily related as one might expect from the kind of example I chose. Now, the query that I need to do is as follows: From the latest exam (exam_no = 3) find all the students that have failed (John Doe, Ryan Smith and Mary Lee). For each of these students find the date of the first of the batch of consecutively failing exams. Another way to put it would be: for each of these students find the date of the first failing exam that comes after their last passing exam. (Look at the arrows in the table). The resulting table should be something like this: name | surname | date_since_failing ------+---------+-------------------- John | Doe | 2012-02-01 Ryan | Smith | 2012-01-02 Mary | Lee | 2012-01-04 Ann | Evans | 2012-02-03 How can I perform such a query? Thank you for your time.

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  • .NET projects build automation with NAnt/MSBuild + SVN

    - by petr k.
    Hi everyone, for quite a while now, I've been trying to figure out how to setup an automated build process at our shop. I've read many posts and guides on this matter and none of them really fits my specifics needs. My SVN repository is laid out as follows \projects \projectA (a product) \tags \1.0.0.1 \1.0.0.2 ... \trunk \src \proj1 (a VS C# project) \proj2 \documentation Then I have a network share, with a folder for each project (product), which in turn contains the binaries, written documentation and the generated API documentation (via NDoc - each project may have an .ndoc file in the repository) for every historical version (from the tags SVN folder) and for the latest version as well (from the trunk). Basically, what I want to do in a scheduled batch build are these steps: examine the project's SVN folder and identify tags not present in the network share for each of these tags check out the tag folder build (with Release config) copy the resulting binaries to the network share search for .ndoc files generate CHM files via NDoc copy the resulting CHM files to the network share do the same as in 2., but for the HEAD revision of trunk Now, the trouble is, I have no idea where to start. I do not keep .sln files in the repository, but I am able to replace these with MSBuild files which in turn build the C# projects belonging to the specific product. I guess the most troubling part is the examination of the repository for tags which have not been processed yet - i.e. searching the tags and comparing them to a project's directory structure on the network share. I have no idea how to do that in any of the build tools (NAnt, MSBuild). Could you please provide me with some pointers on how to approach this task as a whole and in detail as well? I do not care if I use NAnt, MSBuild, or both. I am aware that this might be rather complex, but every idea and NAnt/MSBuild snippet will be a great help. Thanks in advance.

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  • Android RestTemplate Ok on emulator but fails on real device

    - by Hossein
    I'm using spring RestTemplate and it works perfect on emulator but if I run my app on real device I get HttpMessageNotWritableException ............ nested exception is java.net.SocketException: Broken pipe Here is some lines of my code(keep in mind my app works perfect on emulator) ............ LoggerUtil.logToFile(TAG, "url is [" + url + "]"); LoggerUtil.logToFile(TAG, "NetworkInfo - " + connectivityManager.getActiveNetworkInfo()); ResponseEntity<T> responseEntity = restTemplate.exchange(url, HttpMethod.POST, requestEntity, clazz); ............. I know my device's network works perfect because all other applications on my device are working and also using device browser I'm able to connect to my server so my server is available. My server is up and running and my device is able to connect to my server so why I get java.net.SocketException: Broken pipe ?!!!!!!! Before I call restTemplate.exchange() I log NetworkInfo and it looks ok -type: WIFI -status: CONNECTED/CONNECTED -isAvailable: true Thanks in advance. Update: It is really weird Even if I use HttpURLConnection, it works perfectly on emulator but on real device I get 400 Bad Request Here is my code HttpURLConnection con = null; try { String url = ....; LoggerUtil.logToFile(TAG, "url [" + url + "]" ); con = (HttpURLConnection) new URL(url).openConnection(); con.setRequestMethod("POST"); con.setRequestProperty("Connection", "Keep-Alive"); con.setDoInput(true); con.setDoOutput(true); con.setUseCaches(false); con.connect(); LoggerUtil.logToFile(TAG, "con.getResponseCode is " + con.getResponseCode()); LoggerUtil.logToFile(TAG, "con.getResponseMessage is " + con.getResponseMessage()); } catch(Throwable t){ LoggerUtil.logToFile(TAG, "*** failed [" + t + "]" ); } in log file I see con.getResponseCode is 400 con.getResponseMessage is Bad Request

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  • Circular file references not allowed

    - by Program.X
    Hi, I am having a problem in building my solution in VS2008. Normally, it compiles fine in the environment. Sometimes, it fails with: /xxx_WEB/secure/CMSManagedTargetPage.aspx(1): error ASPPARSE: Circular file references are not allowed. I rebuild and it works fine. Now, however, I am in the middle of setting up a CruiseControl.NET system and am testing my checked out code with MSBuild before I integrate the build into CC. Now, everytime I MSBuild, I get: "Q:\cc\xxx\checked out from svn\xxx.sln" (default target) (1) -> (xxx_WEB target) -> /xxx_WEB/secure/CMSManagedTargetPage.aspx(1): error ASPPARSE: Circular file references are not allowed. Problem is, I can't see where this reference is. I have searched for the reference across the entire solution and canf ind no references to the page itself (CMSManagedTargetPage) anywhere other than in the page or its codebehind, or within a string, eg: C:\dev2008\xxx\IWW.xxx.ASPNET\AspxHttpHandler.cs(82): inputFile = context.Server.MapPath("~/secure/CMSManagedTargetPage.aspx"); C:\dev2008\xxx\IWW.xxx.ASPNET\AspxHttpHandler.cs(83): virtualPath = "~/secure/CMSManagedTargetPage.aspx"; My assembly references are also fine (as far as I know). My Web Application is at the "top" of the dependencies, and nothing references it and therefore the faulting page so cannot cause a circular reference. Of course, the page itself may reference something such as a UserControl within the same assembly/web site, but as mentioned earlier, a search on CMSManagedTargetPage yielded no results so this is not happening. Changing the batch attribute in web.config had no effect on MSBuild. I find it very odd that it "sometimes" fails in VS and always fails in MSBuild. Am I missing some subtlety?

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  • SQLCMD.EXE generates ugly report. How to format it?

    - by Juri Bogdanov
    I did batch to run SQL query like use [AxDWH_Central_Reporting] GO EXEC sp_spaceused @updateusage = N'TRUE' GO It displays 2 tables and generates some ugly report with some kind of 'P' unneeded letters... See below Changed database context to 'AxDWH_Central_Reporting'. database_name Pdatabase_size Punallocated space --------------------------------------------------------------------------------------------------------------------------------P------------------P------------------ AxDWH_Central_Reporting P10485.69 MB P7436.85 MB reserved Pdata Pindex_size Punused ------------------P------------------P------------------P------------------ 3121176 KB P3111728 KB P7744 KB P1704 KB ---------------------------------------------------------------- I also tryed to generate 1 table from this procedure with next query declare @dbname sysname, @dbsize bigint, @logsize bigint, @reservedpages bigint select @reservedpages = sum(a.total_pages) from sys.partitions p join sys.allocation_units a on p.partition_id = a.container_id left join sys.internal_tables it on p.object_id = it.object_id select @dbsize = sum(convert(bigint,case when status & 64 = 0 then size else 0 end)), @logsize = sum(convert(bigint,case when status & 64 <> 0 then size else 0 end)) from dbo.sysfiles select 'database name' = db_name(), 'database size' = ltrim(str((convert (dec (15,2),@dbsize) + convert (dec (15,2),@logsize)) * 8192 / 1048576,15,2) + ' MB'), 'unallocated space' = ltrim(str((case when @dbsize >= @reservedpages then (convert (dec (15,2),@dbsize) - convert (dec (15,2),@reservedpages)) * 8192 / 1048576 else 0 end),15,2) + ' MB') But got similar ugly report: database name Pdatabase size Punallocated space --------------------------------------------------------------------------------------------------------------------------------P------------------P------------------ master P5.75 MB P1.52 MB (1 rows affected) Is it possible to change the layout formatting for report? To make it more beautifull?

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  • JPA/JDO entity to XML XSD generator.

    - by h2g2java
    I am using JDO or JPA on GAE plugin in Eclipse. I am using smartgwt datasource, accepting an xsd. I would like to be educated how to generate an XSD from my jdo/jpa entity, vice versa. Is there a tool to do it? While datanucleas does all its magic enhancing in the Eclipse background, would I be able to somehow operate in a mode that would generate XSDs for me? Can Hibernate operate in an offline mode, to solely help me generate XSDs which I could use in GWT without deploying hibernate with my web-app? Can Hibernate even be capable of generating XSDs from entities, vice versa? Currently, I am about to write a utility to generate an xsd, given an entity class - but I am hoping I don't have to reinvent the wheel if it already exists. I am hoping people here could educate me on any available tools to ease my XSD generation. But btw, I am very wary of anything that uses Maven, because most people (like Spring) who write the Maven scripts and pom don't have the expertise to write it in a way that would spew out messages and verbosity appropriately to make it easy for me to locate model errors.

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  • Open mails in outlook from java using the protocol "mapi://"

    - by Goulutor
    I developp a Java application using Windows Desktop Search from which I can retrieve some information about files on my computer such as urls (System.ItemUrl). An example of such url is file://c:/users/ausername/documents/aninterestingfile.txt for "normal" files. This field give also urls of mail items indexed from Outlook or Thunderbird. Thunderbird's items (only available using vista and seven) are also files (.wdseml). But outlook's items urls start with "mapi://" like : mapi://{S-1-5-21-1626573300-1364474481-487586288-1001}/[email protected]($b423dcd5)/0/Inbox/???????????????????????? The problem I have is opening the real item from Java in Outlook using this url. If I copy/paste it in the run dialog of Windows, it works ; it also works if I use "start" followed by the copied/pasted url in command line. The url seems to be encoded in UTF-16. I want to be able to write such code : String url = "mapi://{S-1-5-21-1626573300-1364474481-487586288-1001}/[email protected]($b423dcd5)/0/Inbox/????????????????????????"; Runtime.getRuntime().exec("cmd.exe /C start " + url); I doesn't work and I've tried other solutions like : String start = "start"; String url = "mapi://{S-1-5-21-1626573300-1364474481-487586288-1001}/[email protected]($b423dcd5)/0/Inbox/????????????????????????"; FileOutputStream fos = new FileOutputStream(new File("test.bat"); fos.write(start.getBytes("UTF16"); fos.write(url.getBytes("UTF16")); fos.close(); Runtime.getRuntime().exec("cmd.exe /C test.bat"); without any success. Using the solution above, the file "test.bat" contains the correct url and the "start" command, but the run of "test.bat" results in the well known error message : '¦' is not recognized as an internal or external command, operable program or batch file. Has anybody an idea to be able to open "mapi://" items from Java ?

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  • Conversion failed when converting datetime from character string. Linq To SQL & OpenXML

    - by chobo2
    Hi I been following this tutorial on how to do a linq to sql batch insert. http://www.codeproject.com/KB/linq/BulkOperations_LinqToSQL.aspx However I have a datetime field in my database and I keep getting this error. System.Data.SqlClient.SqlException was unhandled Message="Conversion failed when converting datetime from character string." Source=".Net SqlClient Data Provider" ErrorCode=-2146232060 Class=16 LineNumber=7 Number=241 Procedure="spTEST_InsertXMLTEST_TEST" Server="" State=1 StackTrace: at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) I am not sure why when I just take the datetime in the generated xml file and manually copy it into sql server 2005 it has no problem with it and converts it just fine. This is my SP CREATE PROCEDURE [dbo].[spTEST_InsertXMLTEST_TEST](@UpdatedProdData nText) AS DECLARE @hDoc int exec sp_xml_preparedocument @hDoc OUTPUT,@UpdatedProdData INSERT INTO UserTable(CreateDate) SELECT XMLProdTable.CreateDate FROM OPENXML(@hDoc, 'ArrayOfUserTable/UserTable', 2) WITH ( CreateDate datetime ) XMLProdTable EXEC sp_xml_removedocument @hDoc C# code using (TestDataContext db = new TestDataContext()) { UserTable[] testRecords = new UserTable[1]; for (int count = 0; count < 1; count++) { UserTable testRecord = new UserTable() { CreateDate = DateTime.Now }; testRecords[count] = testRecord; } StringBuilder sBuilder = new StringBuilder(); System.IO.StringWriter sWriter = new System.IO.StringWriter(sBuilder); XmlSerializer serializer = new XmlSerializer(typeof(UserTable[])); serializer.Serialize(sWriter, testRecords); db.spTEST_InsertXMLTEST_TEST(sBuilder.ToString()); } Rendered XML Doc <?xml version="1.0" encoding="utf-16"?> <ArrayOfUserTable xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <UserTable> <CreateDate>2010-05-19T19:35:54.9339251-07:00</CreateDate> </UserTable> </ArrayOfUserTable>

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  • AbstractMethodError when invoking createArrayOf, with postgresql 8.4 jdbc4 and JBoss 5.1GA

    - by Francesco
    Hi, when using this method public List<Field> getFieldWithoutId(List<Integer> idSections) throws Exception { try { Connection conn = this.getConnection(); Array arraySections = conn.createArrayOf("int4", idSections.toArray()); this.log.info("Recupero field"); List<Field> fields = this.getJdbcTemplate().query(getFieldWithoutIdQuery, new Object[] {arraySections},ParameterizedBeanPropertyRowMapper.newInstance(Field.class)); /*if (!conn.isClosed()) conn.close(); */ releaseConnection(conn); return fields; } catch (Exception e) { e.printStackTrace(); throw new Exception("Errore."); } } I have an exception at conn.createArrayOf("int4", idSections.toArray());. The exception is: javax.ejb.EJBException : Unexpected Error java.lang.AbstractMethodError: org.jboss.resource.adapter.jdbc.jdk5.WrappedConnectionJDK5.createArrayOf(Ljava/lang/String;[Ljava/lang/Object;)Ljava/sql/Array; postgresql-8.4-701.jdbc4.jar is in jboss/server/all/lib dir. Application is spring based with ejb3. When working locally with the same setup everything is fine. This only happens on a preproduction environment. Only difference is locally I have jboss run in default mode, in the other case there are 2 jbosses in all configuration. I can't track down the cause of this error. Could someone help me please?

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  • Natural language processing - Ideas for beginner's projects

    - by Microkernel
    Hi guys, I am a beginner in NLP and NLTK. I am very interested in NLP and hence joined a weekend course on AI in some local institution, which requires me to do a project for completion of the course, and I decided to do it in NLP. The problem is,the instructor is not good at all for this course (According to me she is just a charlatan) (or may not be very interested in teaching as this is her last batch here after which the institute is going to send her out). So I am stuck in a situation where where I got to finish this project in a month to one and half months period, but as a naive person in the field I am feeling it very difficult to comprehend the things required to decide on project. (Also, as I am working full time, I am not finding enough time to dedicate on this). I considered using NLTK toolkit in python for the project for following reasons. (1) Python is famous for ease of use, rapid prototyping and very active community (considering very short span of time I have, and as I am a C programmer by profession, I need a language that I can learn fast and is simple to use). (2) NLTk has good review, and extensive documentation and a very active community. So the problem is what project should I take up, so that I can learn something and will be able to finish project in time. (I know almost nothing in NLP, don't even know what exactly corpora is... :( ) So, please suggest me some topics that I should consider for the project. Regards, MicroKernel :)

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  • Programmatically creating vector arrows in KML

    - by mettadore
    Does anyone have any practical examples of programmatically drawing icons as vectors in KML? Specifically, I have data with a magnitude and an azimuth at given coordinates, and I would like to have icons (or another graphical element) generated based on these values. Some thoughts on how I might approach it: Image directory (a brute force way): Make an image director of 360 different image files (probably batch rotate a single image) each pointing in a cooresponding azimuth. I've seen things like "Excel to KML," but am looking for code that I can use within a program, rather than a web utility. Issue: Arrow does not contain magnitude context, so that would have to be a label. I'd rather dynamically lengthen the arrow. Line creation in KML: Perhaps create a formula that creates a line with the origin at the coordinate points, with the length of the line proportional to the magnitute, and angled according to azimuth. There would then be two more lines, perhaps 30 degrees or so extending from the end of the previous line to make the arrow head. Issues: Not a separate image icon, so not sure how it would work in KML. Also not sure how easy it would be to generate this algorithm. Separate image generation: Perhaps create a PHP file that uses imagemagick or something similar to dynamically generate a .png file in a similar method to the above, and then link to the icon using the URI "domain.tld/imagegen.php?magnitude=magvalue&azimuth=azmvalue". Issue: Still have the problem of actually writing the algorithm for image generation. So, the question: has anyone else come up with solutions for programmatic vector (rather than merely arrow) generation?

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  • OLAP Web Visualization and Reporting Recommendations

    - by Gok Demir
    I am preparing an offer for a customer. They proide weekly data to different organizations. There is huge amount data suits OLAP that needed to be visualized with charts and pivot tables on web and custom reports will be built by non-it persons (an easy gui). They will enter a date range, location which data columns to be included and generate report and optionally export the data to Excel. They currently prepare reports with MS Excel with Pivot Tables and but they need a better online tool now to show data to their customers. Tables are huge and need of drill-down functionality. My current knowledge Spring, Flex, MySql, Linux. I have some knowledge of PostgreSQL and MSSQL and Windows. What is the easiest way of doing this project. Do you think that SSRP (haven't tried yet) and ASP.NET better suits for this kind of job. Actually I prefer open source solutions. Flex have OLAP Data Grid control which do aggregation on client side. JasperServer seems promising but it seems I need enterprise version (multiple organizations and ad hoc queries). What about Modrian + Flex + PostgreSQL solution? Any previous experience will be appreciated. Yes I am confused with options.

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  • MySQL performance

    - by kapil.israni
    Hi, I have this LAMP application with about 900k rows in MySQL and I am having some performance issues. Background - Apart from the LAMP stack , there's also a Java process (multi-threaded) that runs in its own JVM. So together with LAMP & java, they form the complete solution. The java process is responsible for inserts/updates and few selects as well. These inserts/updates are usually in bulk/batch, anywhere between 5-150 rows. The PHP front-end code only does SELECT's. Issue - the PHP/SELECT queries become very slow when the java process is running. When the java process is stopped, SELECT's perform alright. I mean the performance difference is huge. When the java process is running, any action performed on the php front-end results in 80% and more CPU usage for mysqld process. Any help would be appreciated. MySQL is running with default parameters & settings. Software stack - Apache - 2.2.x MySQL -5.1.37-1ubuntu5 PHP - 5.2.10 Java - 1.6.0_15 OS - Ubuntu 9.10 (karmic)

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  • Referencing .NET Assembly in VB6 won't work

    - by dretzlaff17
    I wrote a .net assembly using c# to perform functions that will be used by both managed and unmanaged code. I have a VB6 project that now needs to use the assembly via COM. I created my .net assembly, made sure that ComVisible is set to true and that it is registered for COM interop via project properties. public class MyClass [ComVisible(true)] public string GetResponse() { return "Testing Response" } } I build the assembly and copied the file into a folder. TestInterop.dll I then run a batch file to register the assembly tool to register the object for COM. cd C:\Windows\Microsoft.NET\Framework\v4.0.30319\ regasm "c:\Program Files\TestApp\TestInterop.dll" /tlb:TestInterop.tlb I open a new VB6 application and reference TestInterop.dll In VB6 I write the following code and it compiles. Dim obj as TestInterop.MyClass Set obj = new TestInterop.MyClass Dim strTest as string strTest = obj.GetRespose() When I run the program it errors on the obj.GetResponse() line. Run-time error' -2147024894 (80070002'): Automation error The system cannot find the file specified Also, the intellesense does not work on obj. I had to type the GetResponse method. Is this normal? Does anyone have any clue what could be wrong or what steps I missed. Thanks!

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  • Environment variable names with parentheses, like %ProgramFiles(x86)%, in PowerShell?

    - by jwfearn
    How does one get the value of environment variable whose name contains parentheses in a PowerShell script? To complicate matters, some variables names contains parentheses while others have similar names without parenteses. For example (using cmd.exe): C:\>set | find "ProgramFiles" CommonProgramFiles=C:\Program Files\Common Files CommonProgramFiles(x86)=C:\Program Files (x86)\Common Files ProgramFiles=C:\Program Files ProgramFiles(x86)=C:\Program Files (x86) We see that %ProgramFiles% is not the same as %ProgramFiles(x86)%. My PowerShell code is failing in a weird way because it's ignoring the part of the environment variable name after the parentheses. Since this happens to match the name of a different, but existing, environment variable I don't fail, I just get the right value of the wrong variable. Here's a test function in the PowerShell scripting language to illustrate my problem: function Do-Test { $ok = "C:\Program Files (x86)" # note space between 's' and '( $bad = "$Env:ProgramFiles" + "(x86)" # uses %ProgramFiles% $bin32 = "$Env:ProgramFiles(x86)" # LINE 6, I want to use %ProgramFiles(x86)% if ( $bin32 -eq $ok ) { Write-Output "Pass" } elseif ( $bin32 -eq $bad ) { Write-Output "Fail: %ProgramFiles% used instead of %ProgramFiles(x86)%" } else { Write-Output "Fail: some other reason" } } And here's the output: PS> Do-Test Fail: %ProgramFiles% used instead of %ProgramFiles(x86)% Is there a simple change I can make to line 6 above to get the correct value of %ProgramFiles(x86)%? *NOTE: In the text of this post I am using batch file syntax for environment variables as a convenient shorthand. For example %SOME_VARIABLE% means "the value of the environment variable whose name is SOME_VARIABLE". If I knew the properly escaped syntax in PowerShell, I wouldn't need to ask this question.*

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  • sharing build artifacts between jobs in hudson

    - by programming panda
    Hi I'm trying to set up our build process in hudson. Job 1 will be a super fast (hopefully) continuous integration build job that will be built frequently. Job 2, will be responsible for running a comprehensive test suite, at a regular interval or triggered manually. Job 3 will be responsible for running analysis tools across the codebase (much like Job 2). I tried using the "Advanced Projects Options use custom workspace" feature so that code compiled in Job 1 can be used in Job 2 and 3. However, it seems that all build artifacts remain inside that Job 1 workspace. I'm I doing this right? Is there a better way of doing this? I guess I'm looking for something similar to a build pipeline setup...so that things can be shared and the appropriate jobs can be executed in stages. (I also considered using 'batch tasks'...but it seems like those can't be scheduled? only triggered manually?) Any suggestions are welcomed. Thanks!

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  • What's the best way to fill or paint around an image in Java?

    - by wsorenson
    I have a set of images that I'm combining into a single image mosaic using JAI's MosaicDescriptor. Most of the images are the same size, but some are smaller. I'd like to fill in the missing space with white - by default, the MosaicDescriptor is using black. I tried setting the the double[] background parameter to { 255 }, and that fills in the missing space with white, but it also introduces some discoloration in some of the other full-sized images. I'm open to any method - there are probably many ways to do this, but the documentation is difficult to navigate. I am considering converting any smaller images to a BufferedImage and calling setRGB() on the empty areas (though I am unsure what to use for the scansize on the batch setRGB() method). My question is essentially: What is the best way to take an image (in JAI, or BufferedImage) and fill / add padding to a certain size? Is there a way to accomplish this in the MosaicDescriptor call without side-effects? For reference, here is the code that creates the mosaic: for (int i = 0; i < images.length; i++) { images[i] = JPEGDescriptor.create(new ByteArraySeekableStream(images[i]), null); if (i != 0) { images[i] = TranslateDescriptor.create(image, (float) (width * i), null, null, null); } } RenderedOp finalImage = MosaicDescriptor.create(ops, MosaicDescriptor.MOSAIC_TYPE_OVERLAY, null, null, null, null, null);

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  • Hibernate not releasing data base connections

    - by cedar715
    Following is the configuration details: <property name="hibernateProperties"> <props> <prop key="hibernate.dialect"> org.hibernate.dialect.Oracle9iDialect </prop> <prop key="hibernate.show_sql">false</prop> <prop key="hibernate.cache.provider_class"> org.hibernate.cache.OSCacheProvider </prop> <prop key="hibernate.cache.use_second_level_cache"> true </prop> <!-- <prop key="hibernate.hbm2ddl.auto">update</prop>--> <!-- HIBERNATE CONNECTION POOLING!!--> <prop key="c3p0.acquire_increment">5</prop> <prop key="c3p0.idle_test_period">100</prop> <!-- seconds --> <prop key="c3p0.max_statements">5</prop> <prop key="c3p0.min_size">15</prop> <prop key="c3p0.max_size">100</prop> <prop key="c3p0.timeout">100</prop> <!-- seconds --> </props> </property> Our application is developed through Spring & Hibernate. Once we bring the application up and hit it, its opening 140 connections and not releasing it. Our DAO looks like this: import org.springframework.orm.hibernate3.support.HibernateDaoSupport; ... public class ActionDAO extends HibernateDaoSupport implements IActionDAO { public Action findById(ActionPK actionPK) { return (Action) getHibernateTemplate().get(Action.class, actionPK); } public void add(Action action) { getHibernateTemplate().save(action); } }

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  • Routing an ActiveMq topic to an external broker.

    - by chillitom
    Hi All, I have an ActiveMq topic which I wish to transform and share with an external broker. At present I have the following which performs the transformation: <camelContext id="camel" xmlns="http://activemq.apache.org/camel/schema/spring"> <route> <from uri="activemq:topic:OriginalTopic"/> <to uri="xslt:file:///xslt/transformation.xsl"/> <to uri="activemq:topic:NewTopic"/> </route> </camelContext> However this just sends the message to the current broker network. I'd like to pass the NewTopic messages to an external broker only. I don't want to join the external broker using a <networkConnector .. > as only this topic should be send to the external broker and no others. Is there a simple way to route messages to an external broker? Many thanks.

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  • Poll multiple desktops/servers on a network remotely to determine the IP Type: Static or DHCP

    - by Charles Laird
    Had a gentleman answer 90% of my original question, which is to say I now have the ability to poll a device that I am running the below script on. The end goal is to obtain IP type: Static or DHCP on all desktop/servers on a network I support. I have the list of servers that I will input in a batch file, just looking for the code to actually poll the other devices on the network from one location. Output to be viewed: Device name: IP Address: MAC Address: Type: Marvell Yukon 88E8001/8003/8010 PCI Gigabit Ethernet Controller NULL 00:00:F3:44:C6:00 DHCP Generic Marvell Yukon 88E8056 based Ethernet Controller 192.168.1.102 00:00:F3:44:D0:00 DHCP ManagementClass objMC = new ManagementClass("Win32_NetworkAdapterConfiguration"); ManagementObjectCollection objMOC = objMC.GetInstances(); txtLaunch.Text = ("Name\tIP Address\tMAC Address\tType" +"\r\n"); foreach (ManagementObject objMO in objMOC) { StringBuilder builder = new StringBuilder(); object o = objMO.GetPropertyValue("IPAddress"); object m = objMO.GetPropertyValue("MACAddress"); if (o != null || m != null) { builder.Append(objMO["Description"].ToString()); builder.Append("\t"); if (o != null) builder.Append(((string[])(objMO["IPAddress"]))[0].ToString()); else builder.Append("NULL"); builder.Append("\t"); builder.Append(m.ToString()); builder.Append("\t"); builder.Append(Convert.ToBoolean(objMO["DHCPEnabled"]) ? "DHCP" : "Static"); builder.Append("\r\n"); } txtLaunch.Text = txtLaunch.Text + (builder.ToString()); I'm open to recommendations here.

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  • Choosing a Java Web Framework now?

    - by hbagchi
    we are in the planning stage of migrating a large website which is built on a custom developed mvc framework to a java based web framework which provides built-in support for ajax, rich media content, mashup, templates based layout, validation, maximum html/java code separation. Grails looked like a good choice, however, we do not want to use a scripting language. We want to continue using java. Template based layout is a primary concern as we intend to use this web application with multiple web sites with similar functionality but radically different look and feel. Is portal based solution a good fit to this problem? Any insights on using "Spring Roo" or "Play" will be very helpful. I did find similar posts like this, but it is more than a year old. Things have surely changed in the mean time! EDIT 1: Thanks for the great answers! This site is turning to be the best single source for in-the-trenches programmer info. However, I was expecting more info on using a portal-cms duo. Jahia looks goods. Anything similar?

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