Run application code on sharepoint server start-up

Hi,
I am building a sharepoint 2010 application (server APIs, c#) that sends notification messages via TCP from sharepoint server to server X whenever a file changes in a sharepoint library. I have my code in ItemUpdated() method
of my class inherited from SPItemEvenReceiver.
Apart from notification messages I need to send keep alive messages to server X every T seconds. These keep alives have to be sent after the application is installed on the sharepoint server and whenever it's up and running. I do it by listening to FeatureActivated event
of SPFeatureReceiver.
So when the feature is activated on a site collection, my "init" code runs and starts sending keep alive messages.
When either of the following events happen:
1) IIS application pool gets recycled every day at 1:50 am (default setting), or 2) server is powered down, then powered up
my "init" code is not executed (because there is no "Feature activate" event), and keep alives are not sent.
Is there a way of receiving of some sort of event in my application that would fire in both cases, so I could run my "init" code? Or maybe, some deployment option that would allow to run the "init" code tight after sharepoint server started
(or application pool recycled)?
Thanks

the reason it's unreliable is because you're designing based on the assumption that SharePoint will "somehow / magically" let your app know when it's "running" (which is itself somewhat of a nebulous definition, since SP consists of a
*lot* of moving parts, such as many instances of IIS, timer applications, multiple servers, etc).
Instead, take the events, log them to a queue (MSMQ, custom service app / database, whatever)... then implement a circuit breaker design for pushing, and a backup design for polling the data.
i'm not sure quite what your intentions are with the keepalive, and you can do wahtever you like, I'm just telling you that the approach will eventually bite you.
Scott Brickey
MCTS, MCPD, MCITP
www.sbrickey.com
Strategic Data Systems - for all your SharePoint needs

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Date:          8/8/2014 6:11:54 PM
Event ID:      8313
Task Category:
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Keywords:
User:          xyz\sp_farm
Computer:      spapp1.xyz.local
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http://blogs.msdn.com/b/jamesway/archive/2011/05/23/sharepoint-2010-clearing-the-configuration-cache.aspx
Run the below command from the SharePoint Management Shell:
$ssa = Get-SPEnterpriseSearchServiceApplication –Identity <SearchServiceApplicationName>
Suspend-SPEnterpriseSearchServiceApplication -Identity $ssa
Once the above steps are completed successfully start the full farm backup from the Central Administration > Backup and Restore > Farm Backup
Once backup is completed run the below command to resume the SSA
$ssa = Get-SPEnterpriseSearchServiceApplication –Identity <SearchServiceApplicationName>
Resume-SPEnterpriseSearchServiceApplication -Identity $ssa
Thanks & Regards,
Jason
Jason Guo
TechNet Community Support

How to execute a java application once the server starts

I have created a java application which executes correctly. I want this application to execute everytime I start my server. I have modified my web.xml as shown below
<servlet>
<servlet-name>SendEmail</servlet-name>
<servlet-class>
com.allcorp.alliance.tdocs.servlets.SendEmail</servlet-class>
<init-param>
<param-name>config</param-name>
<param-value>/WEB-INF/struts-config.xml</param-value>
<load-on-startup>1</load-on-startup>
</init-param>
</servlet>
I have extended the class with HttpServlet. When I start the server, I get the message saying the class is being initializing but it does not execute. I want the application to execute. Any idea what I need to do.

BalusC wrote:
Implement ServletContextListener and run the appplication on creation of the ServletContext.Well i understand implementation of ServletContextListener and by overiding contextInitialized(ServletContextEvent se) accordingly can solve the problem.
but you need to consider two cases here first
1).ServletContextListener is not supported by all container especially the minor onces which does not support Servlet 2.3 specification.
2).OP does not have any idea of how to use a Servlet first if you can see he had written his intialization code in the main method.Now how can you expect him to create a listener..... :)
I hope there are no hard issues on what i said this time.
*@OP*
My friend the bad news is that you need to spend bit of time learning about servlets.U'd not be writing intialization code inside a main rather you'd be doing it inside public void init(ServletConfig config) method.
by making <load-on-startup><!--value</load-on-startup> in web.xml enables Servlet container to call init method at the time of deployment of the web application else where it'd call the init method whenever servlet encounters first request from a client.
package com.allcorp.alliance.tdocs.servlets;
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.servlet.http.*;
import javax.servlet.*;
import javax.activation.*;
* @author ssa3z
* TODO To change the template for this generated type comment go to
* Window - Preferences - Java - Code Style - Code Templates
public class SendEmail extends HttpServlet{
public void init(ServletConfig config) {
    // SUBSTITUTE YOUR EMAIL ADDRESSES HERE!!!
    String to = "[email protected]";
    String from = "[email protected]";
    // SUBSTITUTE YOUR ISP'S MAIL SERVER HERE!!!
    String host = "smtp.allstate.com";
    // Create properties, get Session
    Properties props = new Properties();
   // If using static Transport.send(),
// need to specify which host to send it to
props.put("mail.smtp.host", host);
// To see what is going on behind the scene
props.put("mail.debug", "true");
Session session = Session.getInstance(props);
try {
     // Instantiatee a message
     Message msg = new MimeMessage(session);
     //Set message attributes
     msg.setFrom(new InternetAddress(from));
     InternetAddress[] address = {new InternetAddress(to)};
     msg.setRecipients(Message.RecipientType.TO, address);
     msg.setSubject("Test E-Mail through Java");
     msg.setSentDate(new Date());
     // Set message content
     msg.setText("This is a test of sending a " +"plain text e-mail through Java.\n" +"Here is line 2.");
     //Send the message
     Transport.send(msg);
}catch (MessagingException mex) {
    mex.printStackTrace();
} Hope this might help :)
REGARDS,
RaHuL

Scale out sharepoint server search to index server and Microsoft SharePoint Foundation Web Application to new server

Hi
in my single server these below service are running:
SharePoint Server Search
User Profile Service
Microsoft SharePoint Foundation Web Application
here how i scale out Microsoft SharePoint Foundation Web Application to another server
and SharePoint Server Search to new index server.
adil

Check here to see how to add servers to the farm:
http://technet.microsoft.com/en-us/library/cc261752(v=office.15).aspx
What Inderjeet meant was that if you chose to install SharePoint as a single server instead of a complete farm, you won't be able to add servers to the farm at a later time. You can check if this is the case by checking the registry key he mentioned. If
that is indeed the case, there's nothing to it but reinstall the farm.
So that is why you never should choose the single server option, it locks you in and limits future options, while choosing to install sharepoint as a complete farm it's still perfectly acceptable to host it on a single server.
Kind regards,
Margriet Bruggeman
Lois & Clark IT Services
web site: http://www.loisandclark.eu
blog: http://www.sharepointdragons.com

Real-Time Application doesn't run; source code works fine

The short version is I'm programming a cRIO and apparently the RT code isn't running after being deployed and I can't figure out why. This is further complicated that I'm doing all this remotely and I don't have direct access to the unit since I'm 500 miles away. I'm working through a couple of other guys who know some LabVIEW, but neither works at the site so they have to explicitely travel out there every time I have a bright idea.
I was out there a few weeks ago. During this time I created a simple cRIO code, since I'm new to cRIO, that allowed the user to move a control and change a graph. It worked fine, but I should note it did not have an FPGA component. After that I worked on the real code, which reads some sensors, displays the results on a UI and logs the results. This did have FPGA. I used it in the LabVIEW environment and it worked fine, but I ran out of time before I could complete a release version and deploy the RT as a compiled application. I sent them the release version later, my contact deployed it but got network stream errors when running the UI.
After hours of looking at network problems and sending over debug versions, I tried creating a log on the RT level so I could see what was going on. The log doesn't even open, even if it's the first command in the code. I pored through the forums and found http://forums.ni.com/t5/LabVIEW/cRIO-Troubleshooting-creation-and-deployment-of-startup/td-p/1956475... which took me in a new direction.
I had my contact use the RT debug console and when he pulls up the RT front panel, it shows a broken run arrow. He clicks it and nothing happens -- no running, no bug list. If he pulls up the bug list manually, it's empty. Again the RT works fine if you run it through LabVIEW and not as a compiled real-time application. He also noticed that the Open FPGA VI was grayed out on the block diagram. No other icons are.
So the problem appears to be that the compiled RT application is getting some kind of error but not telling me what it is, and it seems to be related to opening the FPGA. I've recompiled the FPGA and RT. I've had him recompile the RT himself, but not the FPGA because it would take hours. He's downloading everything correctly to the cRIO. The RT is set to run automatically. He's rebooting the cRIO every time he deploys the RT. They have LabVIEW on a computer there but it doesn't have the right drivers to run the code from the LV environment. I'm resisting having them install the dirvers because downloading big files is complicated there due to security restrictions and a lousy network connection at a remote site. Besides that doesn't solve the problem of the RT executable not running the same as the source code, which according to the thread above appears to be a thing.
The latest thing I'm trying is that I sent him instructions for how to build a source distribution from the project I sent and try deploying that to the cRIO. Even if that works I'm not sure that's an acceptable solution because I assume running the VI rather than the EXE is slower, and they need speed on this project.
I simply have no idea where to go from here. I probably need to get direct acess to the cRIO and I might be able to convince them to ship it to me so I can figure this out, but I'm not sure where I'd even start other than the standard voodoo debugging of "try stuff at random until something works". I'm open to suggestions if anyone has managed to solve this before.
Code snippet of the first part of the project is attached, though I'm not sure how much good it will do. I'm really stumped and the client is getting frustrated with how much of the budget is going to fix this.
Solved!
Go to Solution.
Attachments:
RTMainSnippet.png ‏623 KB

Have you checked the cRIO error log? Usually I'd access it through the LabVIEW project (right-click on the target, don't remember the exact menu options and I don't have the RT toolkit installed on this machine to check), but it must be stored somewhere on the cRIO as well, although I don't know if it's in a human-readable format.
Which cRIO are you using? What exactly do you mean by "debug console"? (This may be related to the cRIO - the newer ones have video out, although I don't know if that's what you're referring to.) With a broken run arrow, you won't get an error list unless you're running in the development environment.
Have you confirmed that the software installed on the cRIO matches the version you're using for development, including patch level? Get someone to connect to the cRIO with Measurement and Automation Explorer, and get a list of the software installed on the cRIO.
Sounds like the ability to connect with a remote debugger would be helpful here, if you can get the right drivers installed on the machine with LabVIEW that's connected to the cRIO. Make sure all driver versions match what you're using. Any chance you could then do a remote desktop connection from your work site to the remote LabVIEW machine?

Application Server Starting and then Stopping

For some reason my NSP server is starting with MMC, but then after about a minute it stops again. Please see the log files below. It seems to be a database problem but I don't know how to fix it...
dev_w0
trc file: "dev_w0", trc level: 1, release: "700"
* ACTIVE TRACE LEVEL           1
* ACTIVE TRACE COMPONENTS      all, MJ
B
B Fri Jun 20 23:50:24 2008
B create_con (con_name=R/3)
B Loading DB library 'C:\usr\sap\NSP\DVEBMGS00\exe\dbsdbslib.dll' ...
B Library 'C:\usr\sap\NSP\DVEBMGS00\exe\dbsdbslib.dll' loaded
B Version of 'C:\usr\sap\NSP\DVEBMGS00\exe\dbsdbslib.dll' is "700.08", patchlevel (0.19)
B New connection 0 created
M sysno      00
M sid        NSP
M systemid   560 (PC with Windows NT)
M relno      7000
M patchlevel 0
M patchno    23
M intno      20050900
M make:      multithreaded, ASCII
M pid        4928
M
M kernel runs with dp version 202(ext=109) (@(#) DPLIB-INT-VERSION-202)
M length of sys_adm_ext is 360 bytes
M ***LOG Q0Q=> tskh_init, WPStart (Workproc 0 4928) [dpxxdisp.c   1288]
I MtxInit: 30000 0 0
M DpSysAdmExtCreate: ABAP is active
M DpSysAdmExtCreate: VMC (JAVA VM in WP) is not active
M DpShMCreate: sizeof(wp_adm)          5280     (880)
M DpShMCreate: sizeof(tm_adm)          3351072     (16672)
M DpShMCreate: sizeof(wp_ca_adm)          1200     (60)
M DpShMCreate: sizeof(appc_ca_adm)     1200     (60)
M DpCommTableSize: max/headSize/ftSize/tableSize=500/8/528040/528048
M DpShMCreate: sizeof(comm_adm)          528048     (1048)
M DpFileTableSize: max/headSize/ftSize/tableSize=0/0/0/0
M DpShMCreate: sizeof(file_adm)          0     (72)
M DpShMCreate: sizeof(vmc_adm)          0     (1076)
M DpShMCreate: sizeof(wall_adm)          (22440/34344/56/100)
M DpShMCreate: sizeof(gw_adm)     48
M DpShMCreate: SHM_DP_ADM_KEY          (addr: 04C80040, size: 3950264)
M DpShMCreate: allocated sys_adm at 04C80040
M DpShMCreate: allocated wp_adm at 04C81978
M DpShMCreate: allocated tm_adm_list at 04C82E18
M DpShMCreate: allocated tm_adm at 04C82E48
M DpShMCreate: allocated wp_ca_adm at 04FB5068
M DpShMCreate: allocated appc_ca_adm at 04FB5518
M DpShMCreate: allocated comm_adm at 04FB59C8
M DpShMCreate: system runs without file table
M DpShMCreate: allocated vmc_adm_list at 05036878
M DpShMCreate: allocated gw_adm at 050368B8
M DpShMCreate: system runs without vmc_adm
M DpShMCreate: allocated ca_info at 050368E8
M DpShMCreate: allocated wall_adm at 050368F0
Y *** ERROR => ztta/diag_area is 64000. [sapinit.c    325]
Y *** ERROR => ztta/diag_area adjusted to 128000 (minimum value). [sapinit.c    327]
Y *** ERROR => ztta/cua_area is 90000. [sapinit.c    963]
Y *** ERROR => ztta/cua_area adjusted to 250000. [sapinit.c    967]
X EmInit: MmSetImplementation( 2 ).
X MM diagnostic options set: 0
X <ES> client 0 initializing ....
X Using implementation flat
M <EsNT> Memory Reset disabled as NT default
X ES initialized.
M
M Fri Jun 20 23:50:25 2008
M ThInit: running on host PackardBell
M calling db_connect ...
C
C DBSDBSLIB : version 700.08, patch 0.019 (Make PL 0.23)
C MAXDB shared library (dbsdbslib) patchlevels (last 10)
C    (0.019) UPDSTAT optimized (note 870327)
C    (0.010) MaxDB DBSL patch collection 1 2005 (note 850830)
C    (0.009) New stream compression available with LVC 7.6.0 b12 (note 835809)
C    (0.008) Support of SDBUPDEXCL (note 847616)
C    (0.005) Switch stream compression on/off (note 835809)
C    (0.005) ITAB stream handling optimized (note 835809)
C
C
C Loading SQLDBC client runtime ...
C SQLDBC SDK Version : SQLDBC.H 7.6.0    BUILD 002-121-083-965
C SQLDBC Library Version : libSQLDBC 7.6.0    BUILD 018-123-113-357
C SQLDBC client runtime is MaxDB 7.6.0.018 CL 113357
C INFO : SQLOPT= -I 0 -t 0
C Try to connect (DEFAULT) on connection 0 ...
C *** ERROR => Connect to database failed, rc = -10757 (XUSER error (the USERKEY is unknown))
[dbsdbsql.cpp 98]
C Try to connect (SQLOPT) on connection 0 ...
C *** ERROR => Connect to database failed, rc = -10709 (Connection failed (RTE:Database name is missing))
[dbsdbsql.cpp 118]
B ***LOG BV3=> severe db error -10709    ; work process is stopped [dbsh#1 @ 1195] [dbsh    1195 ]
B ***LOG BY2=> sql error -10709 performing CON [dblink#3 @ 431] [dblink 0431 ]
B ***LOG BY0=> Connection failed (RTE:Database name is missing) [dblink#3 @ 431] [dblink 0431 ]
M ***LOG R19=> ThInit, db_connect ( DB-Connect 000256) [thxxhead.c   1391]
M in_ThErrHandle: 1
M *** ERROR => ThInit: db_connect (step 1, th_errno 13, action 3, level 1) [thxxhead.c   9995]
M
M Info for wp 0
M
M    stat = 4
M    reqtype = 1
M    act_reqtype = -1
M    rq_info = 0
M    tid = -1
M    mode = 255
M    len = -1
M    rq_id = 65535
M    rq_source = 255
M    last_tid = 0
M    last_mode = 0
M    semaphore = 0
M    act_cs_count = 0
M    control_flag = 0
M    int_checked_resource(RFC) = 0
M    ext_checked_resource(RFC) = 0
M    int_checked_resource(HTTP) = 0
M    ext_checked_resource(HTTP) = 0
M    report = >                                        <
M    action = 0
M    tab_name = >                              <
M    vm = V-1
M
M *****************************************************************************
M *
M * LOCATION    SAP-Server PackardBell_NSP_00 on host PackardBell (wp 0)
M * ERROR       ThInit: db_connect
M *
M * TIME        Fri Jun 20 23:50:25 2008
M * RELEASE     700
M * COMPONENT   Taskhandler
M * VERSION     1
M * RC          13
M * MODULE      thxxhead.c
M * LINE        10180
M * COUNTER     1
M *
M *****************************************************************************
M
M PfStatDisconnect: disconnect statistics
M Entering TH_CALLHOOKS
M ThCallHooks: call hook >ThrSaveSPAFields< for event BEFORE_DUMP
M *** ERROR => ThrSaveSPAFields: no valid thr_wpadm [thxxrun1.c   720]
M *** ERROR => ThCallHooks: event handler ThrSaveSPAFields for event BEFORE_DUMP failed [thxxtool3.c 260]
M Entering ThSetStatError
M ThIErrHandle: do not call ThrCoreInfo (no_core_info=0, in_dynp_env=0)
M Entering ThReadDetachMode
M call ThrShutDown (1)...
M ***LOG Q02=> wp_halt, WPStop (Workproc 0 4928) [dpnttool.c   327]

Ok I eventually figured it out... The SAP Application Server starts the database using the XUSER authentication - For some reason my system lost all settings for this.
In order to recreate, I had to use the command prompt and use the XUSER command.
Firstly "XUSER LIST" lists all user keys - I had none.
I then needed to set the default XUSER:
XUSER -d NSP -u SAPNSP,<password>
<password> is the password for the user specified
Then I created the "c" key:
XUSER -d NSP -U c -u SAPNSP,<password>
The reason I set up the "c" XUSER is because I noticed that in "\usr\sap\NSP\DVEBMGS00\exe\" there is a batch file used to start the DB - "strdbs.cmd". Inside this file it uses "c" as the user key in order to set the state of the DB.
After all of that it worked again...

Run application code on sharepoint server start-up

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