OPS-6: Caring for an Ailing AppServer ™ Hugo Loera Chavez Principal Tech Support Engineer.
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Transcript of OPS-6: Caring for an Ailing AppServer ™ Hugo Loera Chavez Principal Tech Support Engineer.
![Page 1: OPS-6: Caring for an Ailing AppServer ™ Hugo Loera Chavez Principal Tech Support Engineer.](https://reader036.fdocuments.in/reader036/viewer/2022062308/56649e0b5503460f94af3ae8/html5/thumbnails/1.jpg)
OPS-6: Caring for an Ailing AppServer™
Hugo Loera ChavezPrincipal Tech Support Engineer
![Page 2: OPS-6: Caring for an Ailing AppServer ™ Hugo Loera Chavez Principal Tech Support Engineer.](https://reader036.fdocuments.in/reader036/viewer/2022062308/56649e0b5503460f94af3ae8/html5/thumbnails/2.jpg)
© 2008 Progress Software Corporation2
Agenda
Anatomy of the AppServer Diagnosing Problems Help Treating your AppServer
AppServer Broker
Cl ients
Agents
Agent
Agent
Agent
Agent
client
Listening Port
![Page 3: OPS-6: Caring for an Ailing AppServer ™ Hugo Loera Chavez Principal Tech Support Engineer.](https://reader036.fdocuments.in/reader036/viewer/2022062308/56649e0b5503460f94af3ae8/html5/thumbnails/3.jpg)
© 2008 Progress Software Corporation3
Anatomy of the AppServer
What is the OpenEdge® AppServer?
![Page 4: OPS-6: Caring for an Ailing AppServer ™ Hugo Loera Chavez Principal Tech Support Engineer.](https://reader036.fdocuments.in/reader036/viewer/2022062308/56649e0b5503460f94af3ae8/html5/thumbnails/4.jpg)
© 2008 Progress Software Corporation4
Anatomy of the AppServer
Broker• JavaTM process
• Handles communication from clients to agents
• Manages client and agent pools
• Writes to <brokername>.broker.log
Or What is the Progress® AppServer?
<brokername>.broker.log
![Page 5: OPS-6: Caring for an Ailing AppServer ™ Hugo Loera Chavez Principal Tech Support Engineer.](https://reader036.fdocuments.in/reader036/viewer/2022062308/56649e0b5503460f94af3ae8/html5/thumbnails/5.jpg)
© 2008 Progress Software Corporation5
Anatomy of the AppServer
Agent• “C” process
• Handles requests and replies to the clients
• Communicates “STATUS” to broker
• Writes to <brokername>.server.log
Or What is the Progress AppServer?
<brokername>.server.log
![Page 6: OPS-6: Caring for an Ailing AppServer ™ Hugo Loera Chavez Principal Tech Support Engineer.](https://reader036.fdocuments.in/reader036/viewer/2022062308/56649e0b5503460f94af3ae8/html5/thumbnails/6.jpg)
© 2008 Progress Software Corporation6
Anatomy of the AppServer
State-aware State-reset Stateless State-free
4 Operating Modes
One to one
Many to few
- Default
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© 2008 Progress Software Corporation7
Anatomy of the AppServer
Client to Broker gets redirected to Agent• State-aware
• State-reset
Client to Agent through the Broker• Stateless
• State-free
2 Connection Models
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© 2008 Progress Software Corporation8
Anatomy of the AppServer
2 Connection Models
State-aware
State-reset
client
AppServer
Broker
Agent
Agent
Agent
Agent
Agent
2 Connection Models
Stateless
State-free
![Page 9: OPS-6: Caring for an Ailing AppServer ™ Hugo Loera Chavez Principal Tech Support Engineer.](https://reader036.fdocuments.in/reader036/viewer/2022062308/56649e0b5503460f94af3ae8/html5/thumbnails/9.jpg)
© 2008 Progress Software Corporation9
Anatomy of the AppServer
AppServer Broker Thread Pools
AppServer
Broker
Listening Thread L-3090
Client Threads
C-0001
C-0002
C-0003
C-0004
C-0005
C-0006
…
Server Threads
S-0001
S-0002
S-0003
S-0004
S-0005
![Page 10: OPS-6: Caring for an Ailing AppServer ™ Hugo Loera Chavez Principal Tech Support Engineer.](https://reader036.fdocuments.in/reader036/viewer/2022062308/56649e0b5503460f94af3ae8/html5/thumbnails/10.jpg)
© 2008 Progress Software Corporation10
Anatomy of the AppServer
Broker communication with Agents
Broker starts agent and waits for agent to respond, status set to:
STARTING
Once started the agent reports to broker and broker sets status to:
AVAILABLE
Client request agent, is redirected to agent port, broker sets status to:
CONNECTING
Client connects to agent, agent reports to broker, broker sets status to:
CONNECTED
Agent completes request, notifies broker, broker sets status to:
AVAILABLE
![Page 11: OPS-6: Caring for an Ailing AppServer ™ Hugo Loera Chavez Principal Tech Support Engineer.](https://reader036.fdocuments.in/reader036/viewer/2022062308/56649e0b5503460f94af3ae8/html5/thumbnails/11.jpg)
© 2008 Progress Software Corporation11
Anatomy of the AppServer
[08/04/04@11:41:31.334-0400] P-001268 T-009968 2 AS AS Application Server connected with connection id: 172.30.1.47::asbroker1::3090::b0d80cae72::1191a17d1f0:-7ffc. (8358)
[08/04/04@11:41:31.334-0400] P-001268 T-009968 2 AS 4GLTRACE Run performCardAuth "John Doe 1234567890 Visa -H localhost -S 6789" [Main Block - authcard.p]
[08/04/04@11:41:31.334-0400] P-001268 T-009968 2 AS 4GLTRACE Run connectAuthSvc "-H localhost -S 6789 " [performCardAuth - authcard.p]
[08/04/04@11:41:31.350-0400] P-001268 T-009968 2 AS 4GLTRACE Run createAuthMsg "John Doe 1234567890 Visa " [performCardAuth - authcard.p]
[08/04/04@11:41:31.350-0400] P-001268 T-009968 2 AS 4GLTRACE Run sendAuthMsg "1000 Name=John Doe;Number=1234567890;Type=Visa " [performCardAuth - authcard.p]
[08/04/04@11:42:07.397-0400] P-001268 T-009968 2 AS 4GLTRACE Run disconnectAuthSvc "1000" [performCardAuth - authcard.p]
[08/04/04@11:42:07.428-0400] P-001268 T-009968 2 AS AS Application Server disconnected. (8360)
Reading Log Files
[08/04/04@11:41:31.334-0400]P-001268 T-009968 2 AS AS
Application Server connected with connection id: 172.30.1.47::asbroker1::3090::b0d80cae72::1191a17d1f0:-7ffc. (8358)
AS 4GLTRACE Run connectAuthSvc “-H localhost -S 6789”
[performCardAuth - authcard.p]
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© 2008 Progress Software Corporation12
Anatomy of the AppServer
AdminServer - Required• JAVA process
• Manages all OpenEdge Brokers and Servers
• Writes to admserv.log
NameServer - Optional• JAVA process
• Traffic manager from clients to AppServers
• Writes to <nameservername>.ns.log
Supporting Processes
![Page 13: OPS-6: Caring for an Ailing AppServer ™ Hugo Loera Chavez Principal Tech Support Engineer.](https://reader036.fdocuments.in/reader036/viewer/2022062308/56649e0b5503460f94af3ae8/html5/thumbnails/13.jpg)
© 2008 Progress Software Corporation13
Agenda
Anatomy of the AppServer Diagnosing Problems Help Treating your AppServer
![Page 14: OPS-6: Caring for an Ailing AppServer ™ Hugo Loera Chavez Principal Tech Support Engineer.](https://reader036.fdocuments.in/reader036/viewer/2022062308/56649e0b5503460f94af3ae8/html5/thumbnails/14.jpg)
© 2008 Progress Software Corporation14
Diagnosing Problems
$DLC/bin/asbman -name asbroker1 -start
OpenEdge Release 10.1C01 as of Fri May 9 21:58:30 EDT 2008
Connecting to Progress AdminServer using rmi://localhost:20931/Chimera (8280)
Searching for asbroker1 (8288)
Connecting to asbroker1 (8276)
Unable to start asbroker1 (8297)
Startup Problems
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© 2008 Progress Software Corporation15
Diagnosing Problems
=====================================================================[08/05/18@20:05:25.933-0400] P-000283 T-Main 1 --- ---
/usr1/stat/progress/101c/wrk/asbroker1.broker.log opened.[08/05/18@20:05:25.939-0400] P-000283 T-Main 1 --- --- Logging level set to =2[08/05/18@20:05:25.940-0400] P-000283 T-Main 1 --- --- Log entry types activated:
UBroker.Basic,[08/05/18@20:05:26.020-0400] P-000283 T-Main 2 UB Basic ubroker version: v101c (07-May-08) (8038)
[08/05/18@20:05:26.314-0400] P-000283 T-L-9090 2 UB Basic Started listenerthread: L-9090 (8043)
[08/05/18@20:05:26.394-0400] P-000283 T-L-9090 1 UB ---------- Could not listen on port: 9090 (8044)
[08/05/18@20:05:26.394-0400] P-000283 T-L-9090 1 UB ---------- java.net.BindException: Address already in use (errno:226)
[08/05/18@20:05:26.394-0400] P-000283 T-L-9090 1 UB ---------- at java.net.PlainSocketImpl.socketBind(Native Method)
[08/05/18@20:05:26.394-0400] P-000283 T-L-9090 1 UB ---------- at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:359)
[08/05/18@20:05:26.394-0400] P-000283 T-L-9090 1 UB ---------- at java.net.ServerSocket.bind(ServerSocket.java:325)
[08/05/18@20:05:26.394-0400] P-000283 T-L-9090 1 UB ---------- at java.net.ServerSocket.<init>(ServerSocket.java:186)
Startup Problems - <brokername>.broker.log
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© 2008 Progress Software Corporation16
Diagnosing Problems
$DLC/bin/asbman -name asbroker1 -start
Connecting to Progress AdminServer using rmi://localhost:20931/Chimera (8280)
Searching for asbroker1 (8288)Connecting to asbroker1 (8276)Starting asbroker1. Check status. (8296)
$DLC/bin/asbman -name asbroker1 -query
Connecting to Progress AdminServer using rmi://localhost:20931/Chimera (8280)
Searching for asbroker1 (8288)Connecting to asbroker1 (8276)Broker: asbroker1 not running (8313)
Startup Problems
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© 2008 Progress Software Corporation17
Diagnosing Problems
[08/05/18@20:15:21.807-0400] P-000435 T-S-0004 2 UB Basic Started server: /usr1/stat/progress/101c/dlc/bin/_proapsv -logginglevel 2 -logfile /usr1/stat/progress/101c/wrk/asbroker1.server.log -ubpid 435 -Ms 1 -logname asbroker1 -logentrytypes ASPlumbing,DB.Connects -logthreshold 0 -numlogfiles 3 -ASID 4 –ubpropfile /usr1/stat/progress/101c/dlc/properties/ubroker.properties -svrefresh -ipver IPv4 -db mydatabase (8108)
[08/05/18@20:15:22.210-0400] P-000435 T-S-0004 1 UB ---------- Message from server : Startup Procedure Failed (8113)
[08/05/18@20:15:22.241-0400] P-000435 T-S-0004 1 UB ---------- IOException reading message from server : java.io.EOFException: pipe to server broken (8117)
[08/05/18@20:15:22.241-0400] P-000435 T-S-0004 2 UB Basic ERROR: cannot start server. (8100)
Startup Problems - <brokername>.broker.log
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© 2008 Progress Software Corporation18
Diagnosing Problems
[08/05/18@20:29:13.991-0400] P-000667 T-000000 1 AS -- ** There is no server active for database mydatabase on -H cruz -S 6543. (704)
[08/05/18@20:29:13.991-0400] P-000667 T-000000 1 AS -- Error initializing the application server. (5479)
[08/05/18@20:29:13.992-0400] P-000667 T-000000 2 AS AS Application Server Shutdown. (5476)
[08/05/18@20:29:15.001-0400] P-000668 T-000000 1 AS -- ** There is no server active for database mydatabase on -H cruz -S 6543. (704)
[08/05/18@20:29:15.001-0400] P-000668 T-000000 1 AS -- Error initializing the application server. (5479)
[08/05/18@20:29:15.002-0400] P-000668 T-000000 2 AS AS Application Server Shutdown. (5476)
Startup Problems - <brokername>.server.log
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© 2008 Progress Software Corporation19
Diagnosing Problems
[08/04/03@13:03:33.470-0400] P-008824 T-004332 2 AS AS Starting application server for asbroker1. (5560)
[08/04/03@13:03:33.501-0400] P-008824 T-004332 2 AS AS Application Server Startup. (5473)
[08/04/03@13:03:33.814-0400] P-008824 T-004332 1 AS -- C:\tmp\ex08\roy\eg1\asstart.r Database sports2000 not connected. (1006)
[08/04/03@13:03:33.814-0400] P-008824 T-004332 1 AS -- C:\tmp\ex08\roy\eg1\asstart.r startup procedure ended with an ERROR condition. (8025)
[08/04/03@13:03:33.814-0400] P-008824 T-004332 2 AS AS Application Server Shutdown. (5476)
Startup Problems - <brokername>.server.log
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© 2008 Progress Software Corporation20
Diagnosing Problems
All “INITIAL” agents must start or the AppServer will fail to start• Set initial agents to start to zero
–“initialSrvrInstance=0” in ubroker.properties• (IPv6 enabled on a machine can cause agents not to
communicate with broker)
Add “–Djvmstart.debug=1” to the “jvmargs=“ in AdminServerPlugins.properties
• View $WRKDIR/jvmStart.log file
Startup Problems
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© 2008 Progress Software Corporation21
Diagnosing Problems
C-0001>(Jul 21, 2006 08:46:31:011) Client connected : . (8533)
C-0001>(Jul 21, 2006 08:46:31:011) ConnectionID= lockesxe1::appsrv::7120::99729deaf6c56e0b:653108:10c765b99a3:-ecb. (8096)
C-0001>(Jul 21, 2006 08:46:31:012) Client disconnected : . (8534)
C-0005>(Jul 21, 2006 08:47:22:786) Client connected : . (8533)
C-0005>(Jul 21, 2006 08:47:22:786) ConnectionID= lockesxe1::appsrv::7120::99729deaf6c56e0b:653108:10c765b99a3:-eca. (8096)
S-2013>(Jul 21, 2006 08:47:25:794) Started server thread: S-2013. (8101)
S-2013>Server exec error : Too many open files (8109)
S-2013>(Jul 21, 2006 08:47:26:011) ERROR: cannot start server. (8100)
Another Startup Problem - <brokername>.broker.log
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© 2008 Progress Software Corporation22
Diagnosing Problems
Output to apps_ulimit.txt.
OS-Command 'date'.
OS-Command 'ulimit -n '.
Output close.
Simple troubleshoot Appserver program
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© 2008 Progress Software Corporation23
Diagnosing Problems
Broker Name : asbroker1Operating Mode : State-resetBroker Status : ACTIVE Broker Port : 3090Broker PID : 25319Active Servers : 5Busy Servers : 0Locked Servers : 0Available Servers : 5Active Clients (now, peak) : (0, 6)Client Queue Depth (cur, max) : (0, 11)Total Requests : 124Rq Wait (max, avg) : (259 ms, 11 ms)Rq Duration (max, avg) : (5543 ms, 24 ms)
PID State Port nRq nRcvd nSent Started Last Change 25320 CONNECTED 02003 000020 000020 000020 May 19, 2008 06:28 May 19, 2008 07:28 25321 AVAILABLE 02018 000031 000031 000031 May 19, 2008 06:28 May 19, 2008 07:28 25323 AVAILABLE 02019 000014 000014 000014 May 19, 2008 06:28 May 19, 2008 07:2825322 CONNECTED 02006 000026 000026 000026 May 19, 2008 06:28 May 19, 2008 07:28 25324 AVAILABLE 02021 000033 000033 000033 May 19, 2008 06:28 May 19, 2008 07:28
Phantom Agents
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© 2008 Progress Software Corporation24
Diagnosing Problems
ps -ef | grep _proapsv
statqa 25324 25319 0 06:28:47 ? 0:24 /usr1/stat/progress/101c/dlc/bin/_proapsv -logginglevel 2 -logf
statqa 25323 25319 0 06:28:46 ? 0:56 /usr1/stat/progress/101c/dlc/bin/_proapsv -logginglevel 2 -logf
statqa 25321 25319 0 06:28:45 ? 0:55 /usr1/stat/progress/101c/dlc/bin/_proapsv -logginglevel 2 –log
Phantom Agents
protrace.25320
protrace.25322
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© 2008 Progress Software Corporation25
Diagnosing Problems
Look at log files• <brokername>.broker.log
• <brokername>.server.log
• Database log files where agent is connected
Increase logging levels• srvrLoggingLevel=4 (extended)
• srvrLogEntryTypes=4GLTrace– UBNet - New for 10.1C
Diagnosing Application problems
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© 2008 Progress Software Corporation26
Diagnosing Problems
Broker Name : asbroker1Operating Mode : StatelessBroker Status : ACTIVE Broker Port : 3090Broker PID : 25319Active Servers : 1Busy Servers : 0Locked Servers : 0Available Servers : 1Active Clients (now, peak) : (0, 1)Client Queue Depth (cur, max) : (0, 1)Total Requests : 11Rq Wait (max, avg) : (11 ms, 11 ms)Rq Duration (max, avg) : (24 ms, 11 ms)
PID State Port nRq nRcvd nSent Started Last Change 25320 SENDING 02003 000001 000001 00001 Apr 4, 2008 11:40 Apr 4, 2008 11:41
Hanging Agents
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© 2008 Progress Software Corporation27
Diagnosing Problems
[08/04/04@11:41:31.334-0400] P-001268 T-009968 2 AS AS Application Server connected with connection id: 172.30.1.47::asbroker1::3090::b0d80cae72::1191a17d1f0:-7ffc. (8358)
[08/04/04@11:41:31.334-0400] P-001268 T-009968 2 AS 4GLTRACE Run performCardAuth "John Doe 1234567890 Visa -H localhost -S 6789" [Main Block - authcard.p]
[08/04/04@11:41:31.334-0400] P-001268 T-009968 2 AS 4GLTRACE Run connectAuthSvc "-H localhost -S 6789 " [performCardAuth - authcard.p]
[08/04/04@11:41:31.350-0400] P-001268 T-009968 2 AS 4GLTRACE Run createAuthMsg "John Doe 1234567890 Visa " [performCardAuth - authcard.p]
[08/04/04@11:41:31.350-0400] P-001268 T-009968 2 AS 4GLTRACE Run sendAuthMsg "1000 Name=John Doe;Number=1234567890;Type=Visa " [performCardAuth - authcard.p]
[08/04/04@11:42:07.397-0400] P-001268 T-009968 2 AS 4GLTRACE Run disconnectAuthSvc "1000" [performCardAuth - authcard.p]
[08/04/04@11:42:07.428-0400] P-001268 T-009968 2 AS AS Application Server disconnected. (8360)
Diagnosing Agent problems
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© 2008 Progress Software Corporation28
Agenda
Anatomy of the AppServer Diagnosing Problems Help Treating your AppServer
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© 2008 Progress Software Corporation29
Help Treating your AppServer
-query• Get status and history of AppServer broker
and agents
-kill• Shutdown an AppServer with busy or hanging
agents
• May need to run twice in a row
asbman
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© 2008 Progress Software Corporation30
Help Treating your AppServer
Available on PSDN ABL source code available Read and Sort multiple log files Unsupported
LogRead
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© 2008 Progress Software Corporation31
Help Treating your AppServer
Don’t connect using the startup parameters• Any database down to a single database will
cause your AppServer agents to be unresponsive
Connect using the “CONNECT” call in the • srvrStartupProc=
• srvrConnectProc=
• srvrActivateProc=
Use “IF CONNECTED” ABL
Database Connections
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© 2008 Progress Software Corporation32
Help Treating your AppServer
New in 10.1B Described in ubroker.properties.README Read the CAUTION!
• Use only when directed by Tech Support
Periodically force the shutdown of all agents and allow new agents to start when requested
Lifespan
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© 2008 Progress Software Corporation33
Help Treating your AppServer
OpenEdge Management
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© 2008 Progress Software Corporation34
D I S C L A I M E R
Under Development
The next slide includes information about potential future products and/or product enhancements.
What I am going to say reflects our current thinking, but the information contained herein is preliminary and subject to change. Any future products we ultimately deliver may be materially different from what is described here.
D I S C L A I M E R
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© 2008 Progress Software Corporation35
Help Treating your AppServer
New in 10.2A Described in ubroker.properties.README List of all clients known to the AppServer,
includes:• Host/IP
• Port
• Connected Agent
• More!
List AppServer Connections
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Help Treating your AppServer
Technical Support Knowledge Base (kbase) PSDN
Help from Progress
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© 2008 Progress Software Corporation37
AppServer Broker
In Summary
Understand your AppServer Diagnose your Problem Care for your Ailing AppServer
Agent
Agent
Agent
Agent
client
Listening Port
Cl ients
Agents
![Page 38: OPS-6: Caring for an Ailing AppServer ™ Hugo Loera Chavez Principal Tech Support Engineer.](https://reader036.fdocuments.in/reader036/viewer/2022062308/56649e0b5503460f94af3ae8/html5/thumbnails/38.jpg)
© 2008 Progress Software Corporation38
Relevant PSDN Live Sessions
OPS-7: Building and Deploying a Highly Available Application
DEV-8: AppServer Mode Case Studies
DEV-13 You've got a problem, here’s how to find it
![Page 39: OPS-6: Caring for an Ailing AppServer ™ Hugo Loera Chavez Principal Tech Support Engineer.](https://reader036.fdocuments.in/reader036/viewer/2022062308/56649e0b5503460f94af3ae8/html5/thumbnails/39.jpg)
© 2008 Progress Software Corporation39
Questions?
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© 2008 Progress Software Corporation40
Thank You
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© 2008 Progress Software Corporation41