Restarting j2ee engine
I have done some maintenance work and got to restart j2ee engine. I have gone through the previous threads available on the forum and they says
1) REBOOT : Right click the Dispacher Node or the Server node and choose the option 'reboot'
But if I right click on node I am getting only 2 options. i.e start and stop. I am not getting the reboot option. So is it like that to restart the J2EE engine I can only stop and start the engine or else is there any other option. And one more thing is in MMC i am not able to see anything like j2ee engine. I am only able to see the process instance named "Dispatcher".
thanks
kumar
Kumar,
You will not see J2ee Engine. You will see only dispatcher.
Check this help:
http://help.sap.com/saphelp_nw04/helpdata/en/c3/6fff40e39ba854e10000000a1550b0/frameset.htm
Also from SMICM you can do a restart with Soft Shutdown and Hard Shutdown.
Check this help:
http://help.sap.com/saphelp_nw04/helpdata/en/86/43b14041ecf10fe10000000a1550b0/content.htm
---Satish
PS: Also please close your previous threads if you have got the information on what you are looking.
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Whenever I modify the JSP file, I have restart the J2EE engine.
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DavidYou may find information on adding JSP file in the link below.
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Hi mates,
How do you restart J2EE engine from VA?
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praveenHi Praveen,
1) I don't think you can monitor from SAP GUI. SMICM will only allow you also to trigger a reboot via Administration / J2EE server but for the rest it's happing all in the background with no visibility.
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In the process of installing SAP WEBAS for java, during the last phase of installaion I am getting this problem
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my platform is
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Check your trace files in the /usr/sap/<SID>/DVE.../work directory (dev_bootstrap, dev_disp, log_bootstrap etc..) for any errors preventing J2EE from starting.
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I'm not sure what you mean when you say the messages are "running", but you will not lose anything by restarting the J2EE engine (or the entire XI system for that matter). That said, you may get some spurious errors during system restart because the various components do not start up simultaneously. But this will only require a restart of the effected messages.
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Did u checked up the java heap parameters in the configtool set for the server
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Cluster Data -> instance_IDXXX -> ServerIDXXXX
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How to restart the J2EE Engine
I ran a couple tests the other day, and the next time I looked the J2EE Engine was down. (Could not send or receive PTP messages to it).
When I brought up the J2EE Engine Administrator, it put upt the following help box:
<b>Unable to lookup connection default
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I had to reinstall to get it to work.
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Thanks, JohnHi,
judging by the URL given in the error message (which is a URL that queries the message server), your engine must be of 6.40 version. Well, on 6.40 you should have the SAP Management Console (SAP MMC) that you can open and start the engine from. TO open it, go to Start -> Programs -> SAP Management Console. Inside, locate your SAP System, right-click on it and select Start.
That's it.
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J2EE engine restart with java.lang.OutOfMemoryError Java heap space
Hi
I hope someone can help me, I have an error on my J2EE engine.
My portal restarts only when I click on User - Administration - Identity Management.
Here is the log error.
Exception id: [000000000000005B0000001C0000098800045ACD637E87AB]#
#1.5^H#0000000000000059000000690000098800045ACD6EF06673#1225738282886#com.sap.engine.frame.Environment##com.sap.engine.frame.
Environment#J2EE_GUEST#0##host_SID_4130050#J2EE_ADMIN#40cf7230a9d811dda9f9000000000000#SAPEngine_Application_Thread[impl:3
]_13##0#0#Error#1#/System/Server/Critical#Plain###FATAL: Caught OutOfMemoryError! Node will exit with exit code 666#
#1.5^H#00000000000000590000006A0000098800045ACD6EF06833#1225738282886#com.sap.engine.frame.Environment##com.sap.engine.frame.
Environment#J2EE_GUEST#0##host_SID_4130050#J2EE_ADMIN#40cf7230a9d811dda9f9000000000000#SAPEngine_Application_Thread[impl:3
]_13##0#0#Fatal#1#/System#Java###FATAL: Caught OutOfMemoryError! Node will exit with exit code 666
[EXCEPTION]
#1#java.lang.OutOfMemoryError: Java heap space
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:539)
at com.sap.engine.services.deploy.server.ApplicationLoader.defineClassWithInterception(ApplicationLoader.java:168)
at com.sap.engine.services.deploy.server.ApplicationLoader.loadLocalClass(ApplicationLoader.java:140)
at com.sap.engine.frame.core.load.ResourceLoader.loadClass(ResourceLoader.java:127)
at com.sap.engine.frame.core.load.ReferencedLoader.loadClass(ReferencedLoader.java:365)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
at com.sap.security.core.wd.assignusermapping.wdp.InternalAssignUserMappingComp.<init>(InternalAssignUserMappingComp.
java:173)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:274)
at com.sap.tc.webdynpro.progmodel.generation.ControllerHelper.createDelegate(ControllerHelper.java:74)
at com.sap.tc.webdynpro.progmodel.generation.DelegatingComponent.<init>(DelegatingComponent.java:51)
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at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.createComponent(ClientComponent.java:177)
at com.sap.tc.webdynpro.progmodel.components.ComponentUsage.createComponentInternal(ComponentUsage.java:149)
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at com.sap.tc.webdynpro.progmodel.components.ComponentUsage.createInstanceIfDemanded(ComponentUsage.java:728)
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at com.sap.tc.webdynpro.progmodel.view.ViewManager.bindRoot(ViewManager.java:579)
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at com.sap.tc.webdynpro.progmodel.view.InterfaceView.initController(InterfaceView.java:43)
at com.sap.tc.webdynpro.progmodel.controller.Controller.init(Controller.java:200)
at com.sap.tc.webdynpro.progmodel.view.ViewManager.getView(ViewManager.java:709)
Thanks for your helppretty obvious to me "java.lang.OutOfMemoryError: Java heap space"
Read,
https://www.sdn.sap.com/irj/sdn/wiki?path=/display/jsts/(Kernel)OOM
or
java.lang.OutOfMemoryError: Java heap space
those links should give you a fairly good idea on how to solve the issue.
Regards
Juan -
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We have a 2004s server. Once in a while the server automatically restarts. When i checked the J2EE Engine tab in NWDS, the SDM, dispatcher and server0 all have a flag called automatic restart and it is set to YES. How do i set them to NO.
ThanuHi,
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jcmon pf=<PROFILE>
The Profile to be used is +<SID>_JC<InstanceNo>_<hostname>+
This will show up jcmon:
============================================================
JControl Monitor Program - Main Menu
============================================================
0 : exit
10 : Cluster Administration Menu
20 : Local Administration Menu
30 : Shared Memory Menu (Solid Rock, experimental)
Choose 20 for Local Administration Menu
You see a list of processes:
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|---|-------------------|--------|---------------------|-----|-------|
| 0|dispatcher | 16670|Running | 0|yes |
| 1|server0 | 16671|Running | 0|yes |
| 2|SDM | 16672|Running | 0|yes |
============================================================
JControl Monitor Program - Administration Menu (Local)
Instance : JC_<hostname>_<SID>_<InstanceNo>
============================================================
0 : exit
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2 : Shutdown instance
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6 : Enable bootstrapping on restart
7 : Disable bootstrapping on restart
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Now use 17/18 to toggle Process restart
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Hi All
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J2EE Engine Restarts Automatically
Hi all,
We have a clustered environment with 2 J2EE dispatchers and 2 server nodes per J2EE dispatchers. Whenever a server node has a problem with the Messaging Service all the J2EE server nodes restart.
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Sep 09, 2008 8:27:53 AM com.sap.engine.core.Framework [Thread[Thread-25250,5,SAPEngine_System_Thread[impl:5]_Group]] Fatal: Critical shutdown was invoked. Reason is: Missed broadcast due to network problems. Restart is required (advanced Reconnect)
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reconnect session to the message server.
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The following the dev_ms log
[Thr 1] Fri Sep 09 08:55:13 2008
[Thr 1] MsSSuspendCheck: C10 (J2EE3231271), no write within 40 secs, disconnect now
[Thr 1] MsJ2EE_AddDisconnectedNode: add node [3231271] into disconnect list
[Thr 1] *** ERROR => MsSClientHandle: C6 (J2EE43102890) send inv_name J2EE3231271 [msxxserv_mt. 4256]
[Thr 1] ***LOG Q0U=> MsSClientHandle, inv_name (J2EE3231271) [msxxserv_mt. 4265]
[Thr 1] MsJ2EE_CleanDisconnectedNodes: clean disconnect list
[Thr 1] *** ERROR => MsSClientHandle: C6 (J2EE43102890) send inv_name J2EE3231271 [msxxserv_mt. 4256]
[Thr 1] ***LOG Q0U=> MsSClientHandle, inv_name (J2EE3231271) [msxxserv_mt. 4265]
[Thr 1] *** ERROR => MsSClientHandle: C9 (J2EE3231270) send inv_name J2EE3231271 [msxxserv_mt. 4256]
[Thr 1] ***LOG Q0U=> MsSClientHandle, inv_name (J2EE3231271) [msxxserv_mt. 4265]
[Thr 1] *** ERROR => MsSClientHandle: C6 (J2EE43102890) send inv_name J2EE3231271 [msxxserv_mt. 4256]
[Thr 1] ***LOG Q0U=> MsSClientHandle, inv_name (J2EE3231271) [msxxserv_mt. 4265]
[Thr 1] *** ERROR => MsSClientHandle: C6 (J2EE43102890) send inv_name J2EE3231271 [msxxserv_mt. 4256]
[Thr 1] ***LOG Q0U=> MsSClientHandle, inv_name (J2EE3231271) [msxxserv_mt. 4265]
[Thr 1] *** ERROR => MsSClientHandle: C6 (J2EE43102890) send inv_name J2EE3231271 [msxxserv_mt. 4256]
[Thr 1] ***LOG Q0U=> MsSClientHandle, inv_name (J2EE3231271) [msxxserv_mt. 4265]
[Thr 1] *** ERROR => MsSClientHandle: C6 (J2EE43102890) send inv_name J2EE3231271 [msxxserv_mt. 4256]
[Thr 1] ***LOG Q0U=> MsSClientHandle, inv_name (J2EE3231271) [msxxserv_mt. 4265]
[Thr 1] *** ERROR => MsSClientHandle: C6 (J2EE43102890) send inv_name J2EE3231271 [msxxserv_mt. 4256]
[Thr 1] ***LOG Q0U=> MsSClientHandle, inv_name (J2EE3231271) [msxxserv_mt. 4265]
[Thr 1] *** ERROR => MsSClientHandle: C9 (J2EE3231270) send inv_name J2EE3231271 [msxxserv_mt. 4256]
[Thr 1] ***LOG Q0U=> MsSClientHandle, inv_name (J2EE3231271) [msxxserv_mt. 4265]
[Thr 1] *** ERROR => MsSClientHandle: C9 (J2EE3231270) send inv_name J2EE3231271 [msxxserv_mt. 4256]
[Thr 1] ***LOG Q0U=> MsSClientHandle, inv_name (J2EE3231271) [msxxserv_mt. 4265]
[Thr 1] *** ERROR => MsSClientHandle: C9 (J2EE3231270) send inv_name J2EE3231271 [msxxserv_mt. 4256]
[Thr 1] ***LOG Q0U=> MsSClientHandle, inv_name (J2EE3231271) [msxxserv_mt. 4265]
[Thr 1] *** ERROR => MsSClientHandle: C9 (J2EE3231270) send inv_name J2EE3231271 [msxxserv_mt. 4256]
[Thr 1] ***LOG Q0U=> MsSClientHandle, inv_name (J2EE3231271) [msxxserv_mt. 4265]
[Thr 1] *** ERROR => MsSClientHandle: C9 (J2EE3231270) send inv_name J2EE3231271 [msxxserv_mt. 4256]
[Thr 1] ***LOG Q0U=> MsSClientHandle, inv_name (J2EE3231271) [msxxserv_mt. 4265]
[Thr 1] *** ERROR => MsSClientHandle: C9 (J2EE3231270) send inv_name J2EE3231271 [msxxserv_mt. 4256]
[Thr 1] ***LOG Q0U=> MsSClientHandle, inv_name (J2EE3231271) [msxxserv_mt. 4265]
[Thr 1] *** ERROR => MsSClientHandle: C9 (J2EE3231270) send inv_name J2EE3231271 [msxxserv_mt. 4256]
[Thr 1] ***LOG Q0U=> MsSClientHandle, inv_name (J2EE3231271) [msxxserv_mt. 4265]
[Thr 1] *** ERROR => MsSClientHandle: C9 (J2EE3231270) send inv_name J2EE3231271 [msxxserv_mt. 4256]
[Thr 1] ***LOG Q0U=> MsSClientHandle, inv_name (J2EE3231271) [msxxserv_mt. 4265]
[Thr 1] *** ERROR => MsSClientHandle: C9 (J2EE3231270) send inv_name J2EE3231271 [msxxserv_mt. 4256]
[Thr 1] ***LOG Q0U=> MsSClientHandle, inv_name (J2EE3231271) [msxxserv_mt. 4265]
[Thr 1] *** ERROR => MsSClientHandle: C9 (J2EE3231270) send inv_name J2EE3231271 [msxxserv_mt. 4256]
[Thr 1] ***LOG Q0U=> MsSClientHandle, inv_name (J2EE3231271) [msxxserv_mt. 4265]
[Thr 1] *** ERROR => MsSClientHandle: C9 (J2EE3231270) send inv_name J2EE3231271 [msxxserv_mt. 4256]
[Thr 1] ***LOG Q0U=> MsSClientHandle, inv_name (J2EE3231271) [msxxserv_mt. 4265]
[Thr 1] *** ERROR => MsSClientHandle: C9 (J2EE3231270) send inv_name J2EE3231271 [msxxserv_mt. 4256]
[Thr 1] ***LOG Q0U=> MsSClientHandle, inv_name (J2EE3231271) [msxxserv_mt. 4265]
[Thr 1] *** ERROR => MsSClientHandle: C9 (J2EE3231270) send inv_name J2EE3231271 [msxxserv_mt. 4256]
[Thr 1] ***LOG Q0U=> MsSClientHandle, inv_name (J2EE3231271) [msxxserv_mt. 4265]
Anyone familiar with "Missed broadcast due to network problems. Restart is required".
Can I change any parameter to increase the MsSSuspendCheck time to more than 40s.
regards,
RoshniHi Roshni,
I have discover this problem today!
From time to time (not during the start process of the Was Java) , II have got the same error message.
In my /j2ee/cluster/server0/log/system/server.0.log. I see those message "Critical shutdown was invoked. Reason is: Missed broadcast due to network problems. Restart is required (advanced Reconnect) , Fatal , /System/Server/Critical , com.sap.engine.core.Framework "
And my Was java server node is restarted
I am in J2EE 7.0 SP15 on Solaris Server
I have one JAVA CI and 4 JAVA Application server on 4 different hardware server.
If you have any clue, please let me know.
Regards
Jean-Louis -
J2EE Engine - Restart necessary after changing web.xml?
Hi people,
do I have to restart the whole J2EE Engine after changing the <max-sessions> parameter of my J2EE-App? Or is a restart of the app via the deploy service also sufficient?
This parameter change is done in web.xml on 620 and web-j2ee-engine.xml in 640.
Thanks!
Bjoern
Message was edited by: Bjoern Altmannsbergerrestart only the application via deploy service
regards,
Violeta -
Hi Folks,
we have a project, which was developed using J2EE and PDK. I have sapconnection.properties files, and we are getting the connection information using the JCo programming. Suppose if i can change the connection information in properties file, i have to restart the j2ee engine (mandatory). then only it got reflected. So is there any way to to take effect with out j2ee engine restart..?Hi Ishita
It is recommended to restart the J2EE Engine after reimporintg the model because metadata will not be refreshed,
The Web Dynpro Adaptive RFC framework sits on the top of several layers such as the Java Connector Objects (JCO), Data Dictionary (DDIC) and the MDI.
After the first access each of these layers caches the metadata within them and keeps returning the cached values thereafter. The caches are not refreshed even if something would have changed in the metadata on the R/3 backend. In addition the Web Dynpro ARFC model itself also caches the metadata. The new invalidation tool will try to refreshes the caches across all the layers. The earlier solution to refresh the caches was to simply restart the engine.
Please look into this Blog, [reimporting a Model without restarting|https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/10465350-b4f5-2910-61ba-a58282b3b6df] the J2EE Engine.
Best Regards
Chaitanya.A -
When SLD is accessed J2EE engine restarts automatically.
Hi,
When SLD is accessed J2EE engine restarts automatically. System is a central component and have ECC and XI on it. Everything works fine only when SLD is acessed through browser it restarts the J2EE engine. 2004s Oracle windows 64bit.
The error message on the web browser says. The Java Engine is restarting...
Thanks and Regards.
MohammedThank you swaroop for your reply.
Integration is set to :
http://holliday:8001/sap/xi/engine?type=entry
When I checked the bridge its pointing to Solution manager address... which is very weard.
However i am creating another bridge for my Dev and will delete the solution manager one.
Another issue which I see is I am not able to log into ICM ...
In MMC.. when I click on ICM .. its asking me for username and password . when I give ICMADM password.. it gives auth error...
Unable to find icmauth.txt file in global host... tried creating one.. created successfully but still I dont see the file in globalhost.
If you need any more information please feel free. All the help is greatly appriciated.
Regds
Mohammed. -
Hello Experrts,
I wanted to know that is it necessary to restart the J2EE engine after reimporting a model?If so then why?? Dont we have the option to restart any one service related to it?? Can anyone give a better option than restarting the server....??
Thanks & Regards
IshitaHi Ishita
It is recommended to restart the J2EE Engine after reimporintg the model because metadata will not be refreshed,
The Web Dynpro Adaptive RFC framework sits on the top of several layers such as the Java Connector Objects (JCO), Data Dictionary (DDIC) and the MDI.
After the first access each of these layers caches the metadata within them and keeps returning the cached values thereafter. The caches are not refreshed even if something would have changed in the metadata on the R/3 backend. In addition the Web Dynpro ARFC model itself also caches the metadata. The new invalidation tool will try to refreshes the caches across all the layers. The earlier solution to refresh the caches was to simply restart the engine.
Please look into this Blog, [reimporting a Model without restarting|https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/10465350-b4f5-2910-61ba-a58282b3b6df] the J2EE Engine.
Best Regards
Chaitanya.A
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OSB Business Service Work Manager Doesnt Throttle
Hi, I have a requrirement to throlle the number of concurrent requests going to an end point. So i have used OSB business service where in i am calling an end point webservice, and configured a work manager in console and selected it in the dispatch