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  • ASP.NET C# Session Variable

    - by SAMIR BHOGAYTA
    You can make changes in the web.config. You can give the location path i.e the pages to whom u want to apply the security. Ex. 1) In first case the page can be accessed by everyone. // Allow ALL users to visit the CreatingUserAccounts.aspx // location path="CreatingUserAccounts.aspx" system.web authorization allow users="*" / /authorization /system.web /location 2) in this case only admin can access the page // Allow ADMIN users to visit the hello.aspx location path="hello.aspx" system.web authorization allow roles="ADMIN' / deny users="*" / /authorization /system.web /location OR On the every page you need to check the authorization according to the page logic ex: On every page call this if (session[loggeduser] !=null) { DataSet dsUser=(DataSet)session[loggeduser]; if (dsUser !=null && dsUser.Tables.Count0 && dsUser.Tables[0] !=null && dsUser.Tables[0].Rows.Count0) { if (dsUser.Table[0].Rows[0]["UserType"]=="SuperAdmin") { //your page logic here } if (dsUser.Table[0].Rows[0]["UserType"]=="Admin") { //your page logic here } } }

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  • Introduction to Extended Events

    - by extended_events
    For those fighting with all the Extended Event terminology, let's step back and have a small overall Introduction to Extended Events. This post will give you a simplified end to end view through some of the elements in Extended Events. Before we start, let’s review the first Extented Events that we are going to use: -          Events: The SQL Server code is populated with event calls that, by default, are disabled. Adding events to a session enables those event calls. Once enabled, they will execute the set of functionality defined by the session. -          Target: This is an Extended Event Object that can be used to log event information. Also it is important to understand the following Extended Event concept: -          Session: Server Object created by the user that defines functionality to be executed every time a set of events happen.   It’s time to write a small “Hello World” using Extended Events. This will help understand the above terms. We will use: -          Event sqlserver. error_reported: This event gets fired every time that an error happens in the server. -          Target package0.asynchronous_file_target: This target stores the event data in disk. -          Session: We will create a session that sends all the error_reported events to the ring buffer. Before we get started, a quick note: Don’t run this script in a production environment. Even though, we are going just going to be raise very low severity user errors, we don't want to introduce noise in our servers. -- TRIES TO ELIMINATE PREVIOUS SESSIONS BEGIN TRY       DROP EVENT SESSION test_session ON SERVER END TRY BEGIN CATCH END CATCH GO   -- CREATES THE SESSION CREATE EVENT SESSION test_session ON SERVER ADD EVENT sqlserver.error_reported ADD TARGET package0.asynchronous_file_target -- CONFIGURES THE FILE TARGET (set filename = 'c:\temp\data1.xel' , metadatafile = 'c:\temp\data1.xem') GO   -- STARTS THE SESSION ALTER EVENT SESSION test_session ON SERVER STATE = START GO   -- GENERATES AN ERROR RAISERROR (N'HELLO WORLD', -- Message text.            1, -- Severity,            1, 7, 3, N'abcde'); -- Other parameters GO   -- STOPS LISTENING FOR THE EVENT ALTER EVENT SESSION test_session ON SERVER STATE = STOP GO   -- REMOVES THE EVENT SESSION FROM THE SERVER DROP EVENT SESSION test_session ON SERVER GO -- REMOVES THE EVENT SESSION FROM THE SERVER select CAST(event_data as XML) as event_data from sys.fn_xe_file_target_read_file ('c:\temp\data1*.xel','c:\temp\data1*.xem', null, null) This query will output the event data with our first hello world in the Extended Event format: <event name="error_reported" package="sqlserver" id="100" version="1" timestamp="2010-02-27T03:08:04.210Z"><data name="error"><value>50000</value><text /></data><data name="severity"><value>1</value><text /></data><data name="state"><value>1</value><text /></data><data name="user_defined"><value>true</value><text /></data><data name="message"><value>HELLO WORLD</value><text /></data></event> More on parsing event data in this post: Reading event data 101 Now let's move that lets move on to the other three Extended Event objects: -          Actions. This Extended Objects actions get executed before events are published (stored in buffers to be transferred to the targets). Currently they are used additional data (like the TSQL Statement related to an event, the session, the user) or generate a mini dump.   -          Predicates: Predicates express are logical expressions that specify what predicates to fire (E.g. only listen to errors with a severity greater than 16). This are composed of two Extended Objects: o   Predicate comparators: Defines an operator for a pair of values. Examples: §  Severity > 16 §  error_message = ‘Hello World!!’ o   Predicate sources: These are values that can be also used by the predicates. They are generic data that isn’t usually provided in the event (similar to the actions). §  Sqlserver.username = ‘Tintin’ As logical expressions they can be combined using logical operators (and, or, not).  Note: This pair always has to be first an event field or predicate source and then a value         Let’s do another small Example. We will trigger errors but we will use the ones that have severity >= 10 and the error message != ‘filter’. To verify this we will use the action sql_text that will attach the sql statement to the event data: -- TRIES TO ELIMINATE PREVIOUS SESSIONS BEGIN TRY       DROP EVENT SESSION test_session ON SERVER END TRY BEGIN CATCH END CATCH GO   -- CREATES THE SESSION CREATE EVENT SESSION test_session ON SERVER ADD EVENT sqlserver.error_reported       (ACTION (sqlserver.sql_text) WHERE severity = 2 and (not (message = 'filter'))) ADD TARGET package0.asynchronous_file_target -- CONFIGURES THE FILE TARGET (set filename = 'c:\temp\data2.xel' , metadatafile = 'c:\temp\data2.xem') GO   -- STARTS THE SESSION ALTER EVENT SESSION test_session ON SERVER STATE = START GO   -- THIS EVENT WILL BE FILTERED BECAUSE SEVERITY != 2 RAISERROR (N'PUBLISH', 1, 1, 7, 3, N'abcde'); GO -- THIS EVENT WILL BE FILTERED BECAUSE MESSAGE = 'FILTER' RAISERROR (N'FILTER', 2, 1, 7, 3, N'abcde'); GO -- THIS ERROR WILL BE PUBLISHED RAISERROR (N'PUBLISH', 2, 1, 7, 3, N'abcde'); GO   -- STOPS LISTENING FOR THE EVENT ALTER EVENT SESSION test_session ON SERVER STATE = STOP GO   -- REMOVES THE EVENT SESSION FROM THE SERVER DROP EVENT SESSION test_session ON SERVER GO -- REMOVES THE EVENT SESSION FROM THE SERVER select CAST(event_data as XML) as event_data from sys.fn_xe_file_target_read_file ('c:\temp\data2*.xel','c:\temp\data2*.xem', null, null)   This last statement will output one event with the following data: <event name="error_reported" package="sqlserver" id="100" version="1" timestamp="2010-03-05T23:15:05.481Z">   <data name="error">     <value>50000</value>     <text />   </data>   <data name="severity">     <value>2</value>     <text />   </data>   <data name="state">     <value>1</value>     <text />   </data>   <data name="user_defined">     <value>true</value>     <text />   </data>   <data name="message">     <value>PUBLISH</value>     <text />   </data>   <action name="sql_text" package="sqlserver">     <value>-- THIS ERROR WILL BE PUBLISHED RAISERROR (N'PUBLISH', 2, 1, 7, 3, N'abcde'); </value>     <text />   </action> </event> If you see more events, check if you have deleted previous event files. If so, please run   -- Deletes previous event files EXEC SP_CONFIGURE GO EXEC SP_CONFIGURE 'xp_cmdshell', 1 GO RECONFIGURE GO XP_CMDSHELL 'del c:\temp\data*.xe*' GO   or delete them manually.   More Info on Events: Extended Event Events More Info on Targets: Extended Event Targets More Info on Sessions: Extended Event Sessions More Info on Actions: Extended Event Actions More Info on Predicates: Extended Event Predicates Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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  • C Problem with Compiler?

    - by Solomon081
    I just started learning C, and wrote my hello world program: #include <stdio.h> main() { printf("Hello World"); return 0; } When I run the code, I get a really long error: Apple Mach-O Linker (id) Error Ld /Users/Solomon/Library/Developer/Xcode/DerivedData/CProj-cwosspupvengheeaapmkrhxbxjvk/Build/Products/Debug/CProj normal x86_64 cd /Users/Solomon/Desktop/C/CProj setenv MACOSX_DEPLOYMENT_TARGET 10.7 /Developer/usr/bin/clang -arch x86_64 -isysroot /Developer/SDKs/MacOSX10.7.sdk -L/Users/Solomon/Library/Developer/Xcode/DerivedData/CProj-cwosspupvengheeaapmkrhxbxjvk/Build/Products/Debug -F/Users/Solomon/Library/Developer/Xcode/DerivedData/CProj-cwosspupvengheeaapmkrhxbxjvk/Build/Products/Debug -filelist /Users/Solomon/Library/Developer/Xcode/DerivedData/CProj-cwosspupvengheeaapmkrhxbxjvk/Build/Intermediates/CProj.build/Debug/CProj.build/Objects-normal/x86_64/CProj.LinkFileList -mmacosx-version-min=10.7 -o /Users/Solomon/Library/Developer/Xcode/DerivedData/CProj-cwosspupvengheeaapmkrhxbxjvk/Build/Products/Debug/CProj ld: duplicate symbol _main in /Users/Solomon/Library/Developer/Xcode/DerivedData/CProj-cwosspupvengheeaapmkrhxbxjvk/Build/Intermediates/CProj.build/Debug/CProj.build/Objects-normal/x86_64/helloworld.o and /Users/Solomon/Library/Developer/Xcode/DerivedData/CProj-cwosspupvengheeaapmkrhxbxjvk/Build/Intermediates/CProj.build/Debug/CProj.build/Objects-normal/x86_64/main.o for architecture x86_64 Command /Developer/usr/bin/clang failed with exit code 1 I am running xCode Should I reinstall DevTools?

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  • Programmatically updating one update panel elements from another update panel elements

    - by Jalpesh P. Vadgama
    While taking interviews for asp.net candidate I am often asking this question but most peoples are not able to give this answer. So I decided to write a blog post about this. Here is the scenario. There are two update panels in my html code in first update panel there is textbox hello world and another update panel there is a button called btnHelloWorld. Now I want to update textbox text in button click event without post back. But in normal scenario It will not update the textbox text as both are in different update panel. Here is the code for that. <form id="form1" runat="server"> <asp:ScriptManager ID="myScriptManager" runat="server" EnableCdn="true"></asp:ScriptManager> <asp:UpdatePanel ID="firstUpdatePanel" runat="server" UpdateMode="Conditional"> <ContentTemplate> <asp:TextBox ID="txtHelloWorld" runat="server"></asp:TextBox> </ContentTemplate> </asp:UpdatePanel> <asp:UpdatePanel ID="secondUpdatePanel" runat="server" UpdateMode="Conditional"> <ContentTemplate> <asp:Button ID="btnHelloWorld" runat="server" Text="Print Hello World" onclick="btnHelloWorld_Click" /> </ContentTemplate> </asp:UpdatePanel> </form> Here comes magic!!. Lots of people don’t know that update panel are providing the Update method from which we can programmatically update the update panel elements without post back. Below is code for that. protected void btnHelloWorld_Click(object sender, System.EventArgs e) { txtHelloWorld.Text = "Hello World!!!"; firstUpdatePanel.Update(); } That’s it here I have updated the firstUpdatePanel from the code!!!. Hope you liked it.. Stay tuned for more..Happy Programming.. Technorati Tags: UpdatePanel,ASP.NET

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  • How does the Keyword Order in the domain name effects SEO?

    - by Sushil
    From the Google keyword research tool, I see "chuck norris jokes" has global 246,000 searches. And again searching "jokes chuck norris" has the same search result. But as see, order of keyword in search terms has, "hello how are you" and "how are you hello" has clearly different results. Now instead of search term (assuming "chuck norris jokes"), I was wondering, if I had to register chucknorrisjokes.com and jokeschucknorris.com, would it effect the ranking on the search result? Or would it be the same? As we see here, both the domains has the same keywords, just in different order. How would that effect? I hope what I am trying to say is clear.

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  • genisoimage and exec bit preservation

    - by user92187
    Maybe I'm just not doing right, but I can't seem to get genisoimage to produce a UDF image and preserve the exec bit. $ genisoimage --version genisoimage 1.1.11 (Linux) $ echo "echo 'Hello world'" > script.sh $ chmod +x script.sh $ ./script.sh Hello world $ genisoimage -input-charset utf-8 -r -udf -volid minimal -o minimal.iso script.sh Total translation table size: 0 Total rockridge attributes bytes: 250 Total directory bytes: 0 Path table size(bytes): 10 Max brk space used 0 420 extents written (0 MB) $ mkdir mount $ sudo mount minimal.iso $PWD/mount -o ro,loop -t udf $ ls -l script.sh mount/script.sh -r--r--r-- 1 root root 19 Sep 21 18:40 mount/script.sh -rwxrwxr-x 1 kip kip 19 Sep 21 18:40 script.sh You'll note in the last command that script.sh was executable at the time it was injected into the image, but does not appear to be inside of the mounted image. Is this a bug in genisoimage, a problem with the way I am mounting the image, or a problem in my usage of genisoimage?

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  • Getting Started Plugging into the "Find in Projects" Dialog

    - by Geertjan
    In case you missed it amidst all the code in yesterday's blog entry, the "Find in Projects" dialog is now pluggable. I think that's really cool. The code yesterday gives you a complete example, but let's break it down a bit and deconstruct down to a very simple hello world scenario. We'll end up with as many extra tabs in the "Find in Projects" dialog as we need, for example, three in this case:  And clicking on any of those extra tabs will, in this simple example, simply show us this: Once we have that, we'll be able to continue adding small bits of code over the next few blog entries until we have something more useful. So, in this blog entry, you'll literally be able to display "Hello World" within a new tab in the "Find in Projects" dialog: import javax.swing.JComponent; import javax.swing.JLabel; import org.netbeans.spi.search.provider.SearchComposition; import org.netbeans.spi.search.provider.SearchProvider; import org.netbeans.spi.search.provider.SearchProvider.Presenter; import org.openide.NotificationLineSupport; import org.openide.util.lookup.ServiceProvider; @ServiceProvider(service = SearchProvider.class) public class ExampleSearchProvider1 extends SearchProvider { @Override public Presenter createPresenter(boolean replaceMode) { return new ExampleSearchPresenter(this); } @Override public boolean isReplaceSupported() { return false; } @Override public boolean isEnabled() { return true; } @Override public String getTitle() { return "Demo Extension 1"; } public class ExampleSearchPresenter extends SearchProvider.Presenter { private ExampleSearchPresenter(ExampleSearchProvider1 sp) { super(sp, true); } @Override public JComponent getForm() { return new JLabel("Hello World"); } @Override public SearchComposition composeSearch() { return null; } @Override public boolean isUsable(NotificationLineSupport nls) { return true; } } } That's it, not much code, works fine in NetBeans IDE 7.2 Beta, and is easier to digest than the big chunk from yesterday. If you make three classes like the above in a NetBeans module, and you install it, you'll have three new tabs in the "Find in Projects" dialog. The only required dependencies are Dialogs API, Lookup API, and Search in Projects API. Read the javadoc linked above and then in next blog entries we'll continue to build out something like the sample you saw in yesterday's blog entry.

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  • Support for non-english characters?

    - by TomJ
    Is support for non-english characters common in programming languages? I mean, technically, I would think it is feasable, but I don't have any experience in anything other than english, so I don't know how common it is. I know that there are non-english based programming languages, but can something like C#, C++, C, Java, or Python support non-english classes/methods/variables? Example in go (url, http://play.golang.org/p/wRYCNVdbjC) package main import "fmt" type ?? struct { ?? string } func main() { fmt.Println("Hello, ??") ?? := new(??) ??.?? = "hello world" fmt.Println(??.??) }

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  • String Formatting with concatenation or substitution

    - by Davio
    This is a question about preferences. Assume a programming language offers these two options to make a string with some variables: "Hello, my name is ". name ." and I'm ". age ." years old." StringFormat("Hello, my name is $0 and I'm $1 years old.", name, age) Which do you prefer and why? I have found myself using both without any clear reason to pick either. Considering micro-optimizations is not within the scope of this question. Localization has been mentioned as a reason to go with option #2 and I think it's a very valid reason and deserves to be mentioned here. However, would opinions differ based on aesthetic viewpoints?

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  • How to create a patch

    - by rajeshkolli
    Hello.. How do i create a patch for my web application ? Hello we have a scenario like changes we have made in application should be reflected, previously we use to send whole package build , inspite of that is there any other way to simply create a patch file that should reflect changes in application. i've googled abt this however many of the forums saying that to use some third party tools.. Is it ok to go for third party tools.. coz our application is stable now.. in field now shouldnt take any risk... Is there any safe way to implement with please do suggest me and give me guidance on how to.. with this patch creation.. Thanks in advance.. Rajesh.Kolli

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  • << and >> in C++

    - by JacKeown
    I don't quite understand what this means...I'm just learning C++ from my very very very basic Python experience...and so this may be a very stupid question. My question is...say you have your classic "Hello World" program and you have the line: cout<<"Hello World!"<<endl; what does the << mean...because I was just looking at using input in C and saw that you'd do something like: int i; cini; and I noticed that it has instead of << and I've read that those are bitwise shifts...and I don't exactly understand what those are...but I think it might be different here...Help...Thanks in advance

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  • mysql-connector-c++ - ‘get_driver_instance’ is not a member of ‘sql::mysql’

    - by rizzo0917
    I am a beginner at c++ and figured the only way I am going to learn is to get dirty with some code. I am trying to build a program that connects to a mysql database. I am using g++, on linux. With no ide. I run "make" and this is my error: hello.cpp:38: error: ‘get_driver_instance’ is not a member of ‘sql::mysql’ make: *** [hello.o] Error 1 Here is my code including makefile. Any Help would be great! Thanks in advance ###BEGIN hello.cpp### #include <stdlib.h> #include <iostream> #include <sstream> #include <stdexcept> #include "mysql_connection.h" #include <cppconn/driver.h> #include <cppconn/exception.h> #include <cppconn/resultset.h> #include <cppconn/statement.h> #include <cppconn/prepared_statement.h> #define EXAMPLE_HOST "localhost" #define EXAMPLE_USER "root" #define EXAMPLE_PASS "" #define EXAMPLE_DB "world" using namespace std; using namespace sql::mysql; int main(int argc, const char **argv) { string url(argc >= 2 ? argv[1] : EXAMPLE_HOST); const string user(argc >= 3 ? argv[2] : EXAMPLE_USER); const string pass(argc >= 4 ? argv[3] : EXAMPLE_PASS); const string database(argc >= 5 ? argv[4] : EXAMPLE_DB); cout << "Connector/C++ tutorial framework..." << endl; cout << endl; try { sql::Driver *driver; sql::Connection *con; sql::Statement *stmt; driver = sql::mysql::get_driver_instance(); con = driver->connect("tcp://127.0.0.1:3306", "user", "password"); stmt = con->createStatement(); stmt->execute("USE " EXAMPLE_DB); stmt->execute("DROP TABLE IF EXISTS test"); stmt->execute("CREATE TABLE test(id INT, label CHAR(1))"); stmt->execute("INSERT INTO test(id, label) VALUES (1, 'a')"); delete stmt; delete con; } catch (sql::SQLException &e) { /* The MySQL Connector/C++ throws three different exceptions: - sql::MethodNotImplementedException (derived from sql::SQLException) - sql::InvalidArgumentException (derived from sql::SQLException) - sql::SQLException (derived from std::runtime_error) */ cout << "# ERR: SQLException in " << __FILE__; cout << "(" << __FUNCTION__ << ") on line " << __LINE__ << endl; /* Use what() (derived from std::runtime_error) to fetch the error message */ cout << "# ERR: " << e.what(); cout << " (MySQL error code: " << e.getErrorCode(); cout << ", SQLState: " << e.getSQLState() << " )" << endl; return EXIT_FAILURE; } cout << "Done." << endl; return EXIT_SUCCESS; } ###END hello.cpp### ###BEGIN Make File### SRCS := hello.cpp OBJS := $(SRCS:.cpp=.o) CXXFLAGS := -Wall -pedantic INCPATHS := -I/home/user/mysql-connector/include/ LIBPATHS := -L/home/user/mysql-connector/lib/ -L/home/user/mysql-connector-c/lib/ LIBS := -static -lmysqlclient -mysqlcppconn-static EXE := MyExecutable $(EXE): $(OBJS) $(CXX) $(OBJS) $(LIBPATHS) $(LIBS) -o $@ .cpp.o: $(CXX) $(CXXFLAGS) $(INCPATHS) -c $< -o $@ ###End Makefile###

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  • XSLT: look for a word and it's context

    - by farhad
    Hello! I need to search a word and it's context into an xml. For example <line>hello world, my name is farhad and i'm having trouble with xslt</line> looking for 'and', context of 3 words: <line>hello world, my <span class="context">name is farhad <span class="word">and</span> i'm having</span> trouble with xslt</line> How can i do? I wrote some xslt to find the word, but i can't go back 3 words to set span. This is my xslt: <xsl:variable name="delimiters">[,.;!?\s"()]+</xsl:variable> <xsl:template match="/"> <xsl:apply-templates select="//line"/> </xsl:template> <xsl:template match="line"> <line> <xsl:for-each select="tokenize(.,'\s')"> <xsl:choose> <!-- se l'ultimo carattere è di punteggiatura, prendo la sottostringa senza la punteggiatura --> <xsl:when test="compare(replace(.,$delimiters,'$1'),'red') = 0"> <span class="word"> <xsl:value-of select="."/> </span> </xsl:when> <xsl:otherwise> <xsl:value-of select="."/> <xsl:choose> <xsl:when test="position()=last()"> <xsl:text></xsl:text> </xsl:when> <xsl:otherwise> <xsl:text> </xsl:text> </xsl:otherwise> </xsl:choose> </xsl:otherwise> </xsl:choose> </xsl:for-each> </line><xsl:text> </xsl:text> </xsl:template> This is an example xml: http://pastebin.com/eAVM9CDQ . I have to search for context also on preceding tags, for example: <line>hello world,</line> <line>my name</line> <line>is farhad </line> <line>and i'm having</line> <line>trouble with xslt</line> so, looking for 'and', context of 3 words: <line>hello world,</line> <line>my <span class="context">name</line> <line>is farhad </line> <line><span class="word">and</span> i'm having</span></line> <line>trouble with xslt</line> with problems of overlapping, but now it's not a problem (i think i know how manage it). How can i search a word and its context? Thank you very much.

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  • Django: TypeError: 'str' object is not callable, referer: http://xxx

    - by user705415
    I've been wondering why when I set the settings.py of my django project 'arvindemo' debug = Flase and deploy it on Apache with mod_wsgi, I got the 500 Internal Server Error. Env: Django 1.4.0 Python 2.7.2 mod_wsgi 2.8 OS centOS Here is the recap: Visit the homepage, go to sub page A/B/C/D, and fill some forms, then submit it to the Apache server. Once click 'submit' button, I will get the '500 Internal Server Error', and the error_log listed below(Traceback): [Tue Apr 10 10:07:20 2012] [error] [client 122.198.133.250] Traceback (most recent call last): [Tue Apr 10 10:07:20 2012] [error] [client 122.198.133.250] File "/opt/python2.7/lib/python2.7/site-packages/django/core/handlers/wsgi.py", line 241, in __call__ [Tue Apr 10 10:07:20 2012] [error] [client 122.198.133.250] response = self.get_response(request) [Tue Apr 10 10:07:20 2012] [error] [client 122.198.133.250] File "/opt/python2.7/lib/python2.7/site-packages/django/core/handlers/base.py", line 179, in get_response [Tue Apr 10 10:07:20 2012] [error] [client 122.198.133.250] response = self.handle_uncaught_exception(request, resolver, sys.exc_info()) [Tue Apr 10 10:07:20 2012] [error] [client 122.198.133.250] File "/opt/python2.7/lib/python2.7/site-packages/django/core/handlers/base.py", line 224, in handle_uncaught_exception [Tue Apr 10 10:07:20 2012] [error] [client 122.198.133.250] if resolver.urlconf_module is None: [Tue Apr 10 10:07:20 2012] [error] [client 122.198.133.250] File "/opt/python2.7/lib/python2.7/site-packages/django/core/urlresolvers.py", line 323, in urlconf_module [Tue Apr 10 10:07:20 2012] [error] [client 122.198.133.250] self._urlconf_module = import_module(self.urlconf_name) [Tue Apr 10 10:07:20 2012] [error] [client 122.198.133.250] File "/opt/python2.7/lib/python2.7/site-packages/django/utils/importlib.py", line 35, in import_module [Tue Apr 10 10:07:20 2012] [error] [client 122.198.133.250] __import__(name) [Tue Apr 10 10:07:20 2012] [error] [client 122.198.133.250] File "/opt/web/django/arvindemo/arvindemo/../arvindemo/urls.py", line 23, in <module> [Tue Apr 10 10:07:20 2012] [error] [client 122.198.133.250] url(r'^submitPage$', name=submitPage), [Tue Apr 10 10:07:20 2012] [error] [client 122.198.133.250] TypeError: url() takes at least 2 arguments (2 given) When using django runserver, I set arvindemo.settings debug = True, everything is OK. But things changed once I set debug = Flase. Here is my views.py from django.http import HttpResponseRedirect from django.http import HttpResponse, HttpResponseServerError from django.shortcuts import render_to_response import datetime, string from user_info.models import * from django.template import Context, loader, RequestContext import settings def hello(request): return HttpResponse("hello girl") def helpPage(request): return render_to_response('kktHelp.html') def server_error(request, template_name='500.html'): return render_to_response(template_name, context_instance = RequestContext(request) ) def page404(request): return render_to_response('404.html') def submitPage(request): post = request.POST Mall = 'goodsName' Contest = 'ojs' Presentation = 'addr' WeatherReport = 'city' Habit = 'task' if Mall in post: return submitMall(request) elif Contest in post: return submitContest(request) elif Presentation in post: return submitPresentation(request) elif Habit in post: return submitHabit(request) elif WeatherReport in post: return submitWeather(request) else: return HttpResponse(request.POST) return HttpResponseRedirect('404') def submitXXX(): ..... def xxxx(): .... Here comes the urls.py from django.conf.urls import patterns, include, url from views import * from django.conf import settings handler500 = 'server_error' urlpatterns = patterns('', url(r'^hello/$', hello), # hello world url(r'^$', homePage), url(r'^time/$', getTime), url(r'^time/plus/(\d{1,2})/$', hoursAhead), url(r'^Ttime/$', templateGetTime), url(r'^Mall$', templateMall), url(r'^Contest$', templateContest), url(r'^Presentation$', templatePresentation), url(r'^Habit$', templateHabit), url(r'^Weather$', templateWeather), url(r'^Help$', helpPage), url(r'^404$', page404), url(r'^500$', server_error), url(r'^submitPage$', submitPage), url(r'^submitMall$', submitMall), url(r'^submitContest$', submitContest), url(r'^submitPresentation$', submitPresentation), url(r'^submitHabit$', submitHabit), url(r'^submitWeather$', submitWeather), url(r'^terms$', terms), url(r'^privacy$', privacy), url(r'^thanks$', thanks), url(r'^about$', about), url(r'^static/(?P<path>.*)$','django.views.static.serve',{'document_root':settings.STATICFILES_DIRS}), ) I'm sure there is no syntax error in my django project,cause when I use django runserver, everything is fine. Anyone can help ? Best regards

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  • JavaMail not sending Subject or From under jetty:run-war

    - by Jason Thrasher
    Has anyone seen JavaMail not sending proper MimeMessages to an SMTP server, depending on how the JVM in started? At the end of the day, I can't send JavaMail SMTP messages with Subject: or From: fields, and it appears other headers are missing, only when running the app as a war. The web project is built with Maven and I'm testing sending JavaMail using a browser and a simple mail.jsp to debug and see different behavior when launching the app with: 1) mvn jetty:run (mail sends fine, with proper Subject and From fields) 2) mvn jetty:run-war (mail sends fine, but missing Subject, From, and other fields) I've meticulously run diff on the (verbose) Maven debug output (-X), and there are zero differences in the runtime dependencies between the two. I've also compared System properties, and they are identical. Something else is happening the jetty:run-war case that changes the way JavaMail behaves. What other stones need turning? Curiously, I've tried a debugger in both situations and found that the javax.mail.internet.MimeMessage instance is getting created differently. The webapp is using Spring to send email picked off of an Apache ActiveMQ queue. When running the app as mvn jetty:run the MimeMessage.contentStream variable is used for message content. When running as mvn jetty:run-war, the MimeMessage.content variable is used for the message contents, and the content = ASCIIUtility.getBytes(is); call removes all of the header data from the parsed content. Since this seemed very odd, and debugging Spring/ActiveMQ is a deep dive, I created a simplified test without any of that infrastructure: just a JSP using mail-1.4.2.jar, yet the same headers are missing. Also of note, these headers are missing when running the WAR file under Tomcat 5.5.27. Tomcat behaves just like Jetty when running the WAR, with the same missing headers. With JavaMail debugging turned on, I clearly see different output. GOOD CASE: In the jetty:run (non-WAR) the log output is: DEBUG: JavaMail version 1.4.2 DEBUG: successfully loaded resource: /META-INF/javamail.default.providers DEBUG: Tables of loaded providers DEBUG: Providers Listed By Class Name: {com.sun.mail.smtp.SMTPSSLTransport=javax.mail.Provider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Sun Microsystems, Inc], com.sun.mail.smtp.SMTPTransport=javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc], com.sun.mail.imap.IMAPSSLStore=javax.mail.Provider[STORE,imaps,com.sun.mail.imap.IMAPSSLStore,Sun Microsystems, Inc], com.sun.mail.pop3.POP3SSLStore=javax.mail.Provider[STORE,pop3s,com.sun.mail.pop3.POP3SSLStore,Sun Microsystems, Inc], com.sun.mail.imap.IMAPStore=javax.mail.Provider[STORE,imap,com.sun.mail.imap.IMAPStore,Sun Microsystems, Inc], com.sun.mail.pop3.POP3Store=javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP3Store,Sun Microsystems, Inc]} DEBUG: Providers Listed By Protocol: {imaps=javax.mail.Provider[STORE,imaps,com.sun.mail.imap.IMAPSSLStore,Sun Microsystems, Inc], imap=javax.mail.Provider[STORE,imap,com.sun.mail.imap.IMAPStore,Sun Microsystems, Inc], smtps=javax.mail.Provider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Sun Microsystems, Inc], pop3=javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP3Store,Sun Microsystems, Inc], pop3s=javax.mail.Provider[STORE,pop3s,com.sun.mail.pop3.POP3SSLStore,Sun Microsystems, Inc], smtp=javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc]} DEBUG: successfully loaded resource: /META-INF/javamail.default.address.map DEBUG: getProvider() returning javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc] DEBUG SMTP: useEhlo true, useAuth true DEBUG SMTP: trying to connect to host "mail.authsmtp.com", port 465, isSSL false 220 mail.authsmtp.com ESMTP Sendmail 8.14.2/8.14.2/Kp; Thu, 18 Jun 2009 01:35:24 +0100 (BST) DEBUG SMTP: connected to host "mail.authsmtp.com", port: 465 EHLO jmac.local 250-mail.authsmtp.com Hello sul-pubs-3a.Stanford.EDU [171.66.201.2], pleased to meet you 250-ENHANCEDSTATUSCODES 250-PIPELINING 250-8BITMIME 250-SIZE 52428800 250-AUTH CRAM-MD5 DIGEST-MD5 LOGIN PLAIN 250-DELIVERBY 250 HELP DEBUG SMTP: Found extension "ENHANCEDSTATUSCODES", arg "" DEBUG SMTP: Found extension "PIPELINING", arg "" DEBUG SMTP: Found extension "8BITMIME", arg "" DEBUG SMTP: Found extension "SIZE", arg "52428800" DEBUG SMTP: Found extension "AUTH", arg "CRAM-MD5 DIGEST-MD5 LOGIN PLAIN" DEBUG SMTP: Found extension "DELIVERBY", arg "" DEBUG SMTP: Found extension "HELP", arg "" DEBUG SMTP: Attempt to authenticate DEBUG SMTP: check mechanisms: LOGIN PLAIN DIGEST-MD5 AUTH LOGIN 334 VXNlcm5hjbt7 YWM0MDkwhi== 334 UGFzc3dvjbt7 YXV0aHNtdHAydog3 235 2.0.0 OK Authenticated DEBUG SMTP: use8bit false MAIL FROM:<[email protected]> 250 2.1.0 <[email protected]>... Sender ok RCPT TO:<[email protected]> 250 2.1.5 <[email protected]>... Recipient ok DEBUG SMTP: Verified Addresses DEBUG SMTP: Jason Thrasher <[email protected]> DATA 354 Enter mail, end with "." on a line by itself From: Webmaster <[email protected]> To: Jason Thrasher <[email protected]> Message-ID: <[email protected]> Subject: non-Spring: Hello World MIME-Version: 1.0 Content-Type: text/plain;charset=UTF-8 Content-Transfer-Encoding: 7bit Hello World: message body here . 250 2.0.0 n5I0ZOkD085654 Message accepted for delivery QUIT 221 2.0.0 mail.authsmtp.com closing connection BAD CASE: The log output when running as a WAR, with missing headers, is quite different: Loading javamail.default.providers from jar:file:/Users/jason/.m2/repository/javax/mail/mail/1.4.2/mail-1.4.2.jar!/META-INF/javamail.default.providers DEBUG: loading new provider protocol=imap, className=com.sun.mail.imap.IMAPStore, vendor=Sun Microsystems, Inc, version=null DEBUG: loading new provider protocol=imaps, className=com.sun.mail.imap.IMAPSSLStore, vendor=Sun Microsystems, Inc, version=null DEBUG: loading new provider protocol=smtp, className=com.sun.mail.smtp.SMTPTransport, vendor=Sun Microsystems, Inc, version=null DEBUG: loading new provider protocol=smtps, className=com.sun.mail.smtp.SMTPSSLTransport, vendor=Sun Microsystems, Inc, version=null DEBUG: loading new provider protocol=pop3, className=com.sun.mail.pop3.POP3Store, vendor=Sun Microsystems, Inc, version=null DEBUG: loading new provider protocol=pop3s, className=com.sun.mail.pop3.POP3SSLStore, vendor=Sun Microsystems, Inc, version=null Loading javamail.default.providers from jar:file:/Users/jason/Documents/dev/subscribeatron/software/trunk/web/struts/target/work/webapp/WEB-INF/lib/mail-1.4.2.jar!/META-INF/javamail.default.providers DEBUG: loading new provider protocol=imap, className=com.sun.mail.imap.IMAPStore, vendor=Sun Microsystems, Inc, version=null DEBUG: loading new provider protocol=imaps, className=com.sun.mail.imap.IMAPSSLStore, vendor=Sun Microsystems, Inc, version=null DEBUG: loading new provider protocol=smtp, className=com.sun.mail.smtp.SMTPTransport, vendor=Sun Microsystems, Inc, version=null DEBUG: loading new provider protocol=smtps, className=com.sun.mail.smtp.SMTPSSLTransport, vendor=Sun Microsystems, Inc, version=null DEBUG: loading new provider protocol=pop3, className=com.sun.mail.pop3.POP3Store, vendor=Sun Microsystems, Inc, version=null DEBUG: loading new provider protocol=pop3s, className=com.sun.mail.pop3.POP3SSLStore, vendor=Sun Microsystems, Inc, version=null DEBUG: getProvider() returning provider protocol=smtp; type=javax.mail.Provider$Type@98203f; class=com.sun.mail.smtp.SMTPTransport; vendor=Sun Microsystems, Inc DEBUG SMTP: useEhlo true, useAuth false DEBUG SMTP: trying to connect to host "mail.authsmtp.com", port 465, isSSL false 220 mail.authsmtp.com ESMTP Sendmail 8.14.2/8.14.2/Kp; Thu, 18 Jun 2009 01:51:46 +0100 (BST) DEBUG SMTP: connected to host "mail.authsmtp.com", port: 465 EHLO jmac.local 250-mail.authsmtp.com Hello sul-pubs-3a.Stanford.EDU [171.66.201.2], pleased to meet you 250-ENHANCEDSTATUSCODES 250-PIPELINING 250-8BITMIME 250-SIZE 52428800 250-AUTH CRAM-MD5 DIGEST-MD5 LOGIN PLAIN 250-DELIVERBY 250 HELP DEBUG SMTP: Found extension "ENHANCEDSTATUSCODES", arg "" DEBUG SMTP: Found extension "PIPELINING", arg "" DEBUG SMTP: Found extension "8BITMIME", arg "" DEBUG SMTP: Found extension "SIZE", arg "52428800" DEBUG SMTP: Found extension "AUTH", arg "CRAM-MD5 DIGEST-MD5 LOGIN PLAIN" DEBUG SMTP: Found extension "DELIVERBY", arg "" DEBUG SMTP: Found extension "HELP", arg "" DEBUG SMTP: Attempt to authenticate DEBUG SMTP: check mechanisms: LOGIN PLAIN DIGEST-MD5 AUTH LOGIN 334 VXNlcm5hjbt7 YWM0MDkwhi== 334 UGFzc3dvjbt7 YXV0aHNtdHAydog3 235 2.0.0 OK Authenticated DEBUG SMTP: use8bit false MAIL FROM:<[email protected]> 250 2.1.0 <[email protected]>... Sender ok RCPT TO:<[email protected]> 250 2.1.5 <[email protected]>... Recipient ok DEBUG SMTP: Verified Addresses DEBUG SMTP: Jason Thrasher <[email protected]> DATA 354 Enter mail, end with "." on a line by itself Hello World: message body here . 250 2.0.0 n5I0pkSc090137 Message accepted for delivery QUIT 221 2.0.0 mail.authsmtp.com closing connection Here's the actual mail.jsp that I'm testing war/non-war with. <%@page import="java.util.*"%> <%@page import="javax.mail.internet.*"%> <%@page import="javax.mail.*"%> <% InternetAddress from = new InternetAddress("[email protected]", "Webmaster"); InternetAddress to = new InternetAddress("[email protected]", "Jason Thrasher"); String subject = "non-Spring: Hello World"; String content = "Hello World: message body here"; final Properties props = new Properties(); props.setProperty("mail.transport.protocol", "smtp"); props.setProperty("mail.host", "mail.authsmtp.com"); props.setProperty("mail.port", "465"); props.setProperty("mail.username", "myusername"); props.setProperty("mail.password", "secret"); props.setProperty("mail.debug", "true"); props.setProperty("mail.smtp.auth", "true"); props.setProperty("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory"); props.setProperty("mail.smtp.socketFactory.fallback", "false"); Session mailSession = Session.getDefaultInstance(props); Message message = new MimeMessage(mailSession); message.setFrom(from); message.setRecipient(Message.RecipientType.TO, to); message.setSubject(subject); message.setContent(content, "text/plain;charset=UTF-8"); Transport trans = mailSession.getTransport(); trans.connect(props.getProperty("mail.host"), Integer .parseInt(props.getProperty("mail.port")), props .getProperty("mail.username"), props .getProperty("mail.password")); trans.sendMessage(message, message .getRecipients(Message.RecipientType.TO)); trans.close(); %> email was sent SOLUTION: Yes, the problem was transitive dependencies of Apache CXF 2. I had to exclude geronimo-javamail_1.4_spec from the build, and just rely on javax's mail-1.4.jar. <dependency> <groupId>org.apache.cxf</groupId> <artifactId>cxf-rt-frontend-jaxws</artifactId> <version>2.2.6</version> <exclusions> <exclusion> <groupId>org.apache.geronimo.specs</groupId> <artifactId>geronimo-javamail_1.4_spec</artifactId> </exclusion> </exclusions> </dependency> Thanks for all of the answers.

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  • How can i Install Activex in windows 2008 R2

    - by jazzson
    hi,men i am testing W2K8R2 for desktop os. but Oa in my company must be installed in it? unfortunately http://technet.microsoft.com/en-us/library/dd631688(WS.10).aspx documents by Microsoft: The ActiveX Installer Service is not included in Windows Server® 2008 R2. If you attempt to install an ActiveX control from your Web browser on a computer running Windows Server 2008 R2, a User Account Control dialog box with a yellow bar will be displayed warning you that the publisher is unknown. anyone can help me ? 3q!!!

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  • What might cause https failure when not specifying SSL protocol?

    - by user35042
    I have a VBScript program that retrieves a web page from a server not under my control. The URL looks something like https://someserver.xxx/index.html. I use this code to create the object that does the page getting: Set objWinHttp = CreateObject("WinHttp.WinHttpRequest.5.1") When I wrote my program it had no problem retrieving this page. Recently, the web server serving this page went through an upgrade. Now my program can no longer fetch the page. Some clues: Clue 1. I can fetch the web page if I use a browser (I tried Firefox, IE, and Chrome). Clue 2. The VBScript code yields this error: The message received was unexpected or badly formatted. Clue 3. I can fetch the web page from the command line in certain cases but not in others: curl --sslv3 -v -k 'https://someserver.xxx/index.html' # WORKS! curl --sslv2 -v -k 'https://someserver.xxx/index.html' # WORKS! curl -v -k 'https://someserver.xxx/index.html' # FAILS curl --tlsv1 -v -k 'https://someserver.xxx/index.html' # FAILS In the case where I do not specify a protocol I get this error: * SSLv3, TLS handshake, Client hello (1): * error:14077417:SSL routines:SSL23_GET_SERVER_HELLO:sslv3 alert illegal parameter * Closing connection #0 In the case where I specify --tlsv1 I get this error: * SSLv3, TLS handshake, Client hello (1): * SSLv3, TLS alert, Server hello (2): * error:14094417:SSL routines:SSL3_READ_BYTES:sslv3 alert illegal parameter * Closing connection #0 A. Does anyone have any suggestions or ideas on what might be going on at the web server end (I am unable to talk to the admins of the web server to find out what they changed). B. Is there a way I can change my VBScript code to work around this issue? Can the SSL version be forced?

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  • Multi-select menu in bash script

    - by am2605
    I'm a bash newbie but I would like to create a script in which I'd like to allow the user to select multiple options from a list of options. Essentially what I would like is something similar to the example below: #!/bin/bash OPTIONS="Hello Quit" select opt in $OPTIONS; do if [ "$opt" = "Quit" ]; then echo done exit elif [ "$opt" = "Hello" ]; then echo Hello World else clear echo bad option fi done (sourced from http://www.faqs.org/docs/Linux-HOWTO/Bash-Prog-Intro-HOWTO.html#ss9.1) However my script would have more options, and I'd like to allow multiples to be selected. So somethig like this: 1) Option 1 2) Option 2 3) Option 3 4) Option 4 5) Done Having feedback on the ones they have selected would also be great, eg plus signs next to ones they ahve already selected. Eg if you select "1" I'd like to page to clear and reprint: 1) Option 1 + 2) Option 2 3) Option 3 4) Option 4 5) Done Then if you select "3": 1) Option 1 + 2) Option 2 3) Option 3 + 4) Option 4 5) Done Also, if they again selected (1) I'd like it to "deselect" the option: 1) Option 1 2) Option 2 3) Option 3 + 4) Option 4 5) Done And finally when Done is pressed I'd like a list of the ones that were selected to be displayed before the program exits, eg if the current state is: 1) Option 1 2) Option 2 + 3) Option 3 + 4) Option 4 + 5) Done Pressing 5 should print: Option 2, Option 3, Option 4 and the script terminate. So my question - is this possible in bash, and if so is anyone able to provide a code sample? Any advice would be much appreciated.

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  • uWSGI cannot find "application" using Flask and Virtualenv

    - by skyler
    Using uWSGI to serve a simple wsgi app, (a simple "Hello, World") my configuration works, but when I try to run a Flask app, I get this in uWSGI's error logs: current working directory: /opt/python-env/coefficient/lib/python2.6/site-packages writing pidfile to /var/run/uwsgi.pid detected binary path: /opt/uwsgi/uwsgi setuid() to 497 your memory page size is 4096 bytes detected max file descriptor number: 1024 lock engine: pthread robust mutexes uwsgi socket 0 bound to TCP address 127.0.0.1:3031 fd 3 Python version: 2.6.6 (r266:84292, Jun 18 2012, 14:18:47) [GCC 4.4.6 20110731 (Red Hat 4.4.6-3)] Set PythonHome to /opt/python-env/coefficient/ *** Python threads support is disabled. You can enable it with --enable-threads *** Python main interpreter initialized at 0xbed3b0 your server socket listen backlog is limited to 100 connections *** Operational MODE: single process *** added /opt/python-env/coefficient/lib/python2.6/site-packages/ to pythonpath. unable to find "application" callable in file /var/www/coefficient/flask.py unable to load app 0 (mountpoint='') (callable not found or import error) *** no app loaded. going in full dynamic mode *** *** uWSGI is running in multiple interpreter mode ***` Note in particular this part of the log: unable to find "application" callable in file /var/www/coefficient/flask.py unable to load app 0 (mountpoint='') (callable not found or import error) **no app loaded. going in full dynamic mode** This is my Flask app: from flask import Flask app = Flask(__name__) @app.route("/") def hello(): return "Hello, World, from Flask!" Before I added my Virtualenv's pythonpath to my configuration file, I was getting an ImportError for Flask. I solved this though, I believe (I'm not receiving errors about it anymore) and here is my complete configuration file: uwsgi: #socket: /tmp/uwsgi.sock socket: 127.0.0.1:3031 daemonize: /var/log/uwsgi.log pidfile: /var/run/uwsgi.pid master: true vacuum: true #wsgi-file: /var/www/coefficient/coefficient.py wsgi-file: /var/www/coefficient/flask.py processes: 1 virtualenv: /opt/python-env/coefficient/ pythonpath: /opt/python-env/coefficient/lib/python2.6/site-packages This is how I start uWSGI, from an rc script: /opt/uwsgi/uwsgi --yaml /etc/uwsgi/conf.yaml --uid uwsgi And if I try to view the Flask program in a browser, I get this: **uWSGI Error** Python application not found Any help is appreciated.

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  • Orphan IBM JVM process

    - by Nicholas Key
    Hi people, I have this issue about orphan IBM JVM process being created in the process tree: For example: C:\Program Files\IBM\WebSphere\AppServer\bin>wsadmin -lang jython -f "C:\Hello.py" Hello.py has the simple implementation: import time i = 0 while (1): i = i + 1 print "Hello World " + str(i) time.sleep(3.0) My machine has such JVM information: C:\Program Files\WebSphere\java\bin>java -verbose:sizes -version -Xmca32K RAM class segment increment -Xmco128K ROM class segment increment -Xmns0K initial new space size -Xmnx0K maximum new space size -Xms4M initial memory size -Xmos4M initial old space size -Xmox1624995K maximum old space size -Xmx1624995K memory maximum -Xmr16K remembered set size -Xlp4K large page size available large page sizes: 4K 4M -Xmso256K operating system thread stack size -Xiss2K java thread stack initial size -Xssi16K java thread stack increment -Xss256K java thread stack maximum size java version "1.6.0" Java(TM) SE Runtime Environment (build pwi3260sr6ifix-20091015_01(SR6+152211+155930+156106)) IBM J9 VM (build 2.4, JRE 1.6.0 IBM J9 2.4 Windows Server 2003 x86-32 jvmwi3260sr6-20091001_43491 (JIT enabled, AOT enabled) J9VM - 20091001_043491 JIT - r9_20090902_1330ifx1 GC - 20090817_AA) JCL - 20091006_01 While the program is running, I tried to kill it and subsequently I found an orphan IBM JVM process in the process tree. Is there a way to fix this issue? Why is there an orphan process in the first place? Is there something wrong with my code? I really don't believe that my simplistic code is wrongly implemented. Any suggestions?

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  • tap interfaces always disabled in linux bridge

    - by Dani Camps
    I have a physical interface eth0, and I want to create two virtual interfaces and bridge them with eth0. For this purpose I do: #Create the virtual interfaces tunctl -t tap0 tunctl -t tap1 ifconfig tap0 up ifconfig tap1 up #Create the bridge brctl addbr br0 brctl stp br0 off brctl addif br0 eth0 brctl addif br0 tap0 brctl addif br0 tap1 #Turning up the bridge ifconfig br0 up However my problem if that the tap interfaces always appear disabled in the bridge, and no traffic flows to them. $brctl show br0 bridge name bridge id STP enabled interfaces br0 8000.080027cabeba no eth2 tap0 tap1 $brctl showstp br0 br0 bridge id 8000.080027cabeba designated root 8000.080027cabeba root port 0 path cost 0 max age 20.00 bridge max age 20.00 hello time 2.00 bridge hello time 2.00 forward delay 15.00 bridge forward delay 15.00 ageing time 300.01 hello timer 0.00 tcn timer 0.00 topology change timer 0.00 gc timer 298.42 flags eth2 (1) port id 8001 state forwarding designated root 8000.080027cabeba path cost 4 designated bridge 8000.080027cabeba message age timer 0.00 designated port 8001 forward delay timer 12.97 designated cost 0 hold timer 1.24 flags tap0 (2) port id 8002 state disabled designated root 8000.080027cabeba path cost 100 designated bridge 8000.080027cabeba message age timer 0.00 designated port 8002 forward delay timer 0.00 designated cost 0 hold timer 0.00 flags tap1 (3) port id 8003 state disabled designated root 8000.080027cabeba path cost 100 designated bridge 8000.080027cabeba message age timer 0.00 designated port 8003 forward delay timer 0.00 designated cost 0 hold timer 0.00 flags Is there any way to set the tap interfaces in forwarding state? I do not understand why they are not because STP is disabled. Cheers Daniel

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  • how would it be possible to discover a cable modem's MAC remotely?

    - by amateurenthusiast
    i was reading the back archives of a canadian privacy law blog, and he linked to a judicial decision. apparently as part of an investigation in which were used yahoo chat and google's old 'hello' image trading program the officer was able to determine a suspect's modem's MAC address: In order to determine who STEPHTOSH was, the officer did a trace on a programme called WHO IS in an effort to learn from where STEPHTOSH was coming. WHO IS is a command program available to the public. The officer was able to ascertain that the person using the name STEPHTOSH was a Rogers Internet customer. The officer was able to obtain the Internet Protocol address, also known as the I.P. There is only one location for an I.P., which is unique to that subscriber. By use of the website known as DNS STUFF.com, one is able to find with which company this I.P. is registered. It was ascertained that the I.P. address used by STEPHTOSH was registered to Rogers Cable, from the Toronto area. The officer also learned the Cable Modem MAC address used by STEPHTOSH. This was all the information the officer was able to amass. now it was my understanding that the MAC address of any given device can only be accessed if you're only one 'hop' away on the Internet. the suspect in question was in Markham and the officer part of the Toronto Police, so it's conceivable that they both might have used Rogers internet. but would that still put them only one 'hop' away from each other? i thought the first hop after the modem was usually the ISP? and if he'd used a netBIOS query against this guy's machine it would return the ethernet card's MAC, not the modem's. so is this guy on the same rogers subnet as the suspect's cable modem, is that functionality part of google's Hello (i could only think that it would be possible if Hello operated as a virtual LAN or something), does the officer have remote access to the arp caches of the routers at Rogers or is he just full of crap and lying to make his case stronger?

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  • What performance degradation to expect with Nginx over raw Gunicorn+Gevent?

    - by bouke
    I'm trying to get a very high performing webserver setup for handling long-polling, websockets etc. I have a VM running (Rackspace) with 1GB RAM / 4 cores. I've setup a very simple gunicorn 'hello world' application with (async) gevent workers. In front of gunicorn, I put Nginx with a simple proxy to Gunicorn. Using ab, Gunicorn spits out 7700 requests/sec, where Nginx only does a 5000 request/sec. Is such a performance degradation expected? Hello world: #!/usr/bin/env python def application(environ, start_response): start_response("200 OK", [("Content-type", "text/plain")]) return [ "Hello World!" ] Gunicorn: gunicorn -w8 -k gevent --keep-alive 60 application:application Nginx (stripped): user www-data; worker_processes 4; pid /var/run/nginx.pid; events { worker_connections 768; } http { sendfile on; tcp_nopush on; tcp_nodelay on; keepalive_timeout 65; types_hash_max_size 2048; upstream app_server { server 127.0.0.1:8000 fail_timeout=0; } server { listen 8080 default; keepalive_timeout 5; root /home/app/app/static; location / { proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_redirect off; proxy_pass http://app_server; } } } Benchmark: (results: nginx TCP, nginx UNIX, gunicorn) ab -c 32 -n 12000 -k http://localhost:[8000|8080]/ Running gunicorn over a unix socket gives somewhat higher throughput (5500 r/s), but it still does't match raw gunicorn's performance.

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